:root {
  /* Basecamp-inspired warm palette */
  --ink: #1a1a1a;
  --ink-2: #4a4a4a;
  --muted: #6b6b6b;
  --soft: #8a8a8a;
  --outline: #d8d4cf;
  --line: #e8e4df;
  --line-strong: #d0ccc5;
  --paper: #faf8f5;
  --surface: #f5f3ef;
  --surface-low: #ebe8e3;
  --panel: #ffffff;
  --panel-cool: #faf8f5;
  --primary: #1a1a1a;
  --primary-c: #3d3d3d;
  /* AI Builders blue accent (keeping Basecamp warmth elsewhere) */
  --accent: #0071e3;
  --accent-light: #eef6ff;
  --accent-hover: #0077ed;
  --accent-bg: rgba(0, 113, 227, 0.08);
  --red: #c44545;
  --red-bg: #fdf2f2;
  --amber: #b8871a;
  --amber-bg: #fdf8ed;
  --green: #2d8652;
  --green-bg: #e8f5ed;
  /* Basecamp's signature generous radius */
  --radius: 10px;
  --radius-lg: 16px;
  --sidebar: 240px;
  /* Warmer, softer shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.04), 0 0 1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.06);
  /* Apple-style spring animations with overshoot */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-apple: cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-fast: 180ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-slow: 450ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--outline);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--soft);
}

html {
  scroll-behavior: smooth;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--surface);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
  transition: all var(--transition-fast);
}

button:focus-visible,
a:focus-visible,
.list-row:focus-visible,
.course-card:focus-visible,
.channel-link:focus-visible,
.nav-link:focus-visible,
.mobile-nav-link:focus-visible,
.profile-info:focus-visible,
.mobile-profile-link:focus-visible,
.community-media-image:focus-visible,
.scope-choice:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-radius: var(--radius);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 8px 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 500;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transform: translateY(-160%);
  transition: transform var(--transition-fast);
}

.skip-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: rgba(245, 243, 239, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-right: 1px solid var(--line);
  color: var(--ink);
  padding: 16px 12px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 12px 20px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  transition: transform var(--transition-fast);
  will-change: transform;
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand:hover .brand-mark {
  transform: scale(1.05) rotate(-2deg);
}

.brand-name {
  font-weight: 650;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.brand-sub {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 11px;
  margin-top: 2px;
  letter-spacing: 0;
}

.brand-name,
.brand-sub,
.profile-name,
.profile-role,
.block {
  display: block;
}

.nav {
  flex: 1;
  padding: 8px;
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 10px 12px;
  color: var(--muted);
  font-weight: 500;
  font-size: 13px;
  border-radius: 12px;
  transition: all var(--transition-fast);
  margin-bottom: 4px;
  position: relative;
  flex-wrap: nowrap;
}

.nav-link:hover {
  background: var(--panel);
  color: var(--ink);
  transform: translateX(2px);
}

.nav-link:active {
  transform: scale(0.96);
}

.nav-link.active {
  color: var(--accent);
  background: var(--panel);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 113, 227, 0.1);
}

.nav-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

.nav-icon {
  flex: none;
  width: 18px;
  height: 18px;
}

.nav-label {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  min-height: 22px;
  padding: 0 7px;
  margin-left: auto;
  color: white;
  background: var(--accent);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}

.profile-block {
  display: grid;
  gap: 10px;
  padding: 16px;
  margin: 8px;
  background: var(--panel);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.profile-copy {
  min-width: 0;
}

.profile-name {
  font-size: 13.5px;
  font-weight: 600;
}

.profile-role {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 11px;
}

.workspace {
  min-height: 100vh;
  min-width: 0;
  background: var(--paper);
}

.page {
  width: 100%;
  padding: 32px 40px 64px;
  max-width: none;
}

.mobile-topbar,
.mobile-nav {
  display: none;
}

.auth-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-panel,
.form-panel,
.panel {
  background: var(--panel);
  border: 0.5px solid var(--line);
  border-radius: 16px;
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.03),
    0 1px 3px rgba(0, 0, 0, 0.04),
    0 4px 12px rgba(0, 0, 0, 0.03);
  overflow: hidden;
}

.auth-panel {
  width: min(400px, 100%);
  padding: 28px;
}

.form-panel {
  max-width: 520px;
  padding: 20px;
}

.panel {
  margin-top: 24px;
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.02),
    0 1px 3px rgba(0, 0, 0, 0.03),
    0 4px 12px rgba(0, 0, 0, 0.04);
  transition: box-shadow var(--transition-fast);
}

.panel:hover {
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.03),
    0 2px 6px rgba(0, 0, 0, 0.04),
    0 8px 24px rgba(0, 0, 0, 0.05);
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: 24px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.page-header .btn.ghost {
  margin-top: 4px;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.01em;
}

h1 {
  margin-bottom: 8px;
  font-size: 28px;
  font-weight: 650;
  line-height: 1.2;
}

h2 {
  margin-bottom: 6px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
}

h3 {
  font-size: 15px;
  font-weight: 600;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 15px;
}

.eyebrow {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.muted {
  color: var(--muted);
}

.grid-2,
.grid-3 {
  display: grid;
  gap: 14px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Admin form grids - tighter spacing for compact forms */
.form-stack .grid-2,
.form-stack .grid-3 {
  gap: 12px;
}

.stack {
  display: grid;
  gap: 16px;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.85fr);
  grid-template-rows: auto 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 28px;
}

.dashboard-grid > .stack {
  display: grid;
  grid-row: 1 / -1;
  grid-template-rows: subgrid;
  gap: 28px;
}

.dashboard-grid .panel,
.dashboard-grid .agent-panel {
  margin-top: 0;
}

.student-dashboard-grid {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.45fr);
}

.student-dashboard-section {
  display: grid;
  gap: 16px;
}

.student-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.student-resume-hero .course-hero-content {
  display: grid;
  gap: 8px;
}

.student-resume-hero h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.05;
  letter-spacing: 0;
}

.student-resume-hero .progress {
  max-width: 440px;
  margin-top: 4px;
}

.side-panel {
  display: grid;
  grid-row: 1 / -1;
  grid-template-rows: subgrid;
  gap: 28px;
}

.metric {
  padding: 18px;
  background: var(--panel);
  border: 0.5px solid var(--line);
  border-radius: 12px;
  transition: all var(--transition-spring);
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.02),
    0 1px 2px rgba(0, 0, 0, 0.02);
}

.metric:hover {
  border-color: var(--outline);
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.03),
    0 2px 8px rgba(0, 0, 0, 0.04);
  transform: translateY(-1px);
}

.metric-label {
  display: block;
  color: var(--soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-weight: 600;
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.metric p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.panel-header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(250, 248, 245, 0.5) 0%, transparent 100%);
}

.panel-body {
  padding: 18px;
}

.panel-body .form-stack {
  gap: 16px;
}

.list {
  display: grid;
  background: var(--panel);
  border-radius: 12px;
  overflow: hidden;
  border: 0.5px solid var(--line);
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.02),
    0 1px 3px rgba(0, 0, 0, 0.03),
    0 4px 12px rgba(0, 0, 0, 0.03);
}

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  border-top: 0.5px solid var(--line);
  transition: all var(--transition-fast);
  font-size: 13px;
}

.list-row:first-child {
  border-top: 0;
}

a.list-row:hover,
.list-row.clickable:hover {
  background: rgba(0, 113, 227, 0.04);
}

.list-row.clickable:active,
a.list-row:active {
  background: rgba(0, 113, 227, 0.06);
}

/* Admin list rows with actions - subtle hover enhancement */
.list-row:has(.inline-form) {
  padding: 14px 18px;
}

.list-row:has(.inline-form):hover {
  background: var(--surface);
}

.list-row strong {
  display: block;
  overflow-wrap: anywhere;
  font-weight: 500;
  font-size: 13.5px;
}

.member-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.nested-row {
  padding-left: 32px;
  background: var(--panel-cool, #f7f8f8);
}

.section-row {
  grid-template-columns: 1fr;
  color: var(--ink-2);
  background: var(--surface-low);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 26px;
  padding: 4px 10px;
  color: var(--ink-2);
  background: var(--surface-low);
  border-radius: 13px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  letter-spacing: 0;
}

.badge.success {
  color: var(--green);
  background: var(--green-bg);
}

.badge.warn {
  color: var(--amber);
  background: var(--amber-bg);
}

.badge.error {
  color: var(--red);
  background: var(--red-bg);
}

.badge.agent {
  color: var(--accent);
  background: var(--accent-bg);
  font-weight: 600;
}

.badge.staff {
  color: var(--green);
  background: var(--green-bg);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 16px;
  border: 0.5px solid var(--outline);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 500;
  font-size: 13px;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.btn:hover {
  border-color: var(--line-strong);
  box-shadow: 0 0.5px 2px rgba(0, 0, 0, 0.08);
  transform: translateY(-0.5px);
}

.btn:active {
  transform: scale(0.97);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06);
}

.btn.primary {
  color: white;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-color: rgba(0, 0, 0, 0.1);
  font-weight: 500;
  text-shadow: 0 0.5px 0.5px rgba(0, 0, 0, 0.1);
}

.btn.primary:hover {
  background: linear-gradient(180deg, var(--accent-hover) 0%, #0082ff 100%);
  box-shadow: 0 1px 4px rgba(0, 113, 227, 0.25), 0 0 0 0.5px rgba(0, 113, 227, 0.2);
  transform: translateY(-0.5px);
}

.btn.primary:active {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-hover) 100%);
  transform: scale(0.97);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.15);
}

.btn.accent {
  color: white;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-color: rgba(0, 0, 0, 0.1);
  font-weight: 500;
  text-shadow: 0 0.5px 0.5px rgba(0, 0, 0, 0.1);
}

.btn.accent:hover {
  background: linear-gradient(180deg, var(--accent-hover) 0%, #0082ff 100%);
  box-shadow: 0 1px 4px rgba(0, 113, 227, 0.25), 0 0 0 0.5px rgba(0, 113, 227, 0.2);
}

.btn.ghost {
  color: var(--muted);
  background: transparent;
  border-color: transparent;
}

.btn.ghost:hover {
  color: var(--accent);
  background: var(--accent-bg);
  border-color: transparent;
  box-shadow: none;
  transform: none;
}

.btn.danger {
  color: var(--red);
  background: transparent;
  border-color: var(--outline);
  font-weight: 500;
}

.btn.danger:hover {
  background: var(--red-bg);
  border-color: rgba(196, 69, 69, 0.3);
  color: var(--red);
}

.btn.danger:active {
  transform: scale(0.97);
  background: rgba(196, 69, 69, 0.12);
}

.btn.full {
  width: 100%;
}

.form-stack {
  display: grid;
  gap: 14px;
}

.form-fieldset {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
}

.field-hint {
  color: var(--soft);
  font-size: 12.5px;
  line-height: 1.4;
  margin-top: 2px;
}

.field:has(.field-hint) {
  gap: 6px;
}

.field-error {
  margin: 0;
  color: var(--red);
  font-size: 12.5px;
  line-height: 1.35;
}

.field input,
.field textarea,
.field select,
.field input[type="file"],
.panel-body input,
.inline-form select {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--outline);
  border-radius: 12px;
  font-size: 15px;
  transition: all var(--transition-fast);
}

.field input:focus,
.field textarea:focus,
.field select:focus,
.panel-body input:focus,
.inline-form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}

.field textarea {
  resize: vertical;
}

.span-2 {
  grid-column: span 2;
}

.actions,
.inline-form {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
}

.inline-form {
  gap: 8px;
}

.inline-form .field {
  gap: 0;
}

.inline-form input[type="number"] {
  width: 80px;
  min-height: 36px;
  padding: 6px 10px;
  font-size: 13px;
  border-radius: 8px;
}

.inline-form .btn {
  min-height: 36px;
  padding: 6px 12px;
  font-size: 12.5px;
}

.actions.left {
  justify-content: flex-start;
}

.check-field {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.auth-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.auth-links a {
  color: var(--accent);
}

.flash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 18px;
  margin-bottom: 20px;
  color: var(--ink-2);
  background: var(--accent-bg);
  border: 1px solid var(--outline);
  border-radius: 14px;
}

.flash-dismiss {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  padding: 4px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  border-radius: 50%;
}

.flash-dismiss:hover {
  opacity: 1;
  color: var(--ink);
  background: rgba(0, 0, 0, 0.05);
}

.flash.alert {
  color: var(--red);
  background: var(--red-bg);
}

.empty-state {
  padding: 20px;
  color: var(--muted);
}

.empty-state h2 {
  color: var(--ink);
  margin-bottom: 4px;
}

.empty-state .eyebrow {
  margin-bottom: 6px;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.course-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  min-height: 240px;
  padding: 0;
  background: var(--panel);
  border: 0.5px solid var(--line);
  border-radius: 12px;
  transition: all var(--transition-spring);
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.02),
    0 1px 2px rgba(0, 0, 0, 0.03),
    0 3px 8px rgba(0, 0, 0, 0.03);
}

.course-card-link {
  color: inherit;
  cursor: pointer;
  text-decoration: none;
}

.course-card:hover {
  border-color: var(--outline);
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.03),
    0 4px 12px rgba(0, 0, 0, 0.05),
    0 12px 32px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px) scale(1.005);
}

.course-card.locked {
  background: var(--panel-cool);
}

.course-card.locked:hover {
  transform: none;
}

.course-card:active {
  transform: scale(0.995);
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.02),
    0 1px 2px rgba(0, 0, 0, 0.03);
}

.course-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.course-card h2 {
  font-size: 17px;
  font-weight: 600;
}

.course-card-image {
  display: block;
  width: 100%;
  height: 100px;
  object-fit: cover;
  background: var(--surface-low);
  filter: saturate(0.78);
  transition: filter var(--transition-slow), transform var(--transition-slow);
}

.course-card-image-fallback {
  display: grid;
  place-items: center;
  color: var(--accent);
  background:
    linear-gradient(135deg, rgba(0, 113, 227, 0.08), rgba(22, 23, 25, 0.04)),
    var(--surface-low);
  filter: none;
}

.course-card-image-fallback span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(0, 113, 227, 0.2);
  border-radius: var(--radius);
  background: var(--panel);
  font-weight: 600;
}

.course-card:hover .course-card-image {
  filter: saturate(0.9);
  transform: scale(1.02);
}

.course-card:hover .course-card-image-fallback {
  filter: none;
}

.course-card-body {
  display: grid;
  gap: 10px;
  padding: 14px;
  flex: 1;
}

.course-meta {
  align-self: end;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.course-card-state {
  min-height: 38px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 2px;
}

.course-card-footer form {
  margin: 0;
}

.course-card-footer .btn {
  min-width: 112px;
}

.lesson-progress-meta {
  display: grid;
  gap: 5px;
  max-width: 320px;
  margin-top: 8px;
}

.lesson-body {
  padding: 24px;
  line-height: 1.65;
}

.lesson-tabs {
  overflow: hidden;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 6px;
  background: var(--surface);
  border-radius: 16px;
  overflow-x: auto;
}

.tabs button {
  min-height: 38px;
  padding: 8px 18px;
  color: var(--muted);
  font-weight: 500;
  font-size: 14px;
  background: transparent;
  border: 0;
  border-radius: 12px;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tabs button:hover:not(.active) {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.03);
}

.tabs button.active {
  color: var(--accent);
  background: var(--panel);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.tab-panel {
  padding: 16px;
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel-header {
  margin-bottom: 14px;
}

.agent-panel {
  display: grid;
  gap: 16px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
}

.agent-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.agent-panel .badge {
  color: var(--accent);
  background: var(--accent-bg);
  font-weight: 600;
}

.agent-panel .token {
  margin: 4px 0;
  padding: 14px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  overflow-wrap: anywhere;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px dashed var(--outline);
}

.agent-panel .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.scope-choice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px;
  align-items: flex-start;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.scope-choice:hover {
  border-color: var(--outline);
  background: var(--accent-bg);
}

.scope-choice input {
  width: auto;
  min-height: 0;
  margin-top: 2px;
}

.scope-choice strong,
.scope-choice small {
  display: block;
}

.scope-choice strong {
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 560;
}

.scope-choice small {
  color: var(--muted);
  line-height: 1.4;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.curriculum-choice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px;
  align-items: flex-start;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.curriculum-choice:hover {
  border-color: var(--outline);
  background: var(--accent-bg);
}

.curriculum-choice input {
  width: auto;
  min-height: 0;
  margin-top: 2px;
}

.curriculum-choice strong,
.curriculum-choice small {
  display: block;
}

.curriculum-choice strong {
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 560;
}

.curriculum-choice small {
  color: var(--muted);
  line-height: 1.4;
}

.scope-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.endpoint-list {
  display: grid;
  gap: 6px;
}

.endpoint-list code {
  padding: 8px;
  overflow-wrap: anywhere;
  color: var(--ink-2);
  background: var(--panel-cool);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 11px;
}

.section-head,
.meta-row {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.section-head {
  margin-bottom: 10px;
}

.meta-row {
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 6px;
}

.section-title {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0;
  text-transform: uppercase;
  font-weight: 510;
}

.token,
.row-sub {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.row-sub {
  display: block;
  margin-top: 4px;
  font-size: 13px;
}

.token {
  padding: 14px;
  color: var(--accent);
  overflow-wrap: anywhere;
  background: var(--surface);
  border-radius: var(--radius);
}

.lesson-player {
  overflow: hidden;
  margin-top: 20px;
  background: #050506;
  border-radius: var(--radius-lg);
}

.lesson-player video,
.lesson-player mux-player {
  display: block;
  width: 100%;
  max-height: 70vh;
  aspect-ratio: 16 / 9;
  background: #050506;
}

.lesson-player iframe {
  display: block;
  width: 100%;
  max-height: 70vh;
  aspect-ratio: 16 / 9;
  background: #050506;
  border: 0;
}

.video-placeholder {
  padding: 20px;
}

.lesson-media-workspace {
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
}

.featured-media-box {
  display: grid;
  justify-items: center;
  gap: 12px;
  min-height: 320px;
  padding: 72px 24px;
  text-align: center;
  background: var(--surface-low);
  border: 1px dashed var(--outline);
  border-radius: var(--radius-lg);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.featured-media-box.is-dragging {
  background: var(--accent-bg);
  border-color: var(--accent);
}

.featured-media-box.is-ready {
  border-style: solid;
}

.featured-media-box h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.15;
}

.featured-media-box > .muted {
  max-width: 680px;
  margin: 0;
}

.featured-media-icons {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--ink-2);
}

.media-icon {
  position: relative;
  display: inline-grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border: 1px solid var(--ink-2);
  border-radius: 4px;
}

.media-icon.audio::before {
  content: "";
  width: 4px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(12deg);
}

.media-icon.play::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 2px;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid currentColor;
}

.media-status,
.direct-upload-box {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.featured-media-box .media-status {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0;
}

.admin-media-preview {
  width: min(960px, 100%);
  overflow: hidden;
  background: #050506;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.admin-media-preview video,
.admin-media-preview iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 68vh;
  background: #050506;
  border: 0;
}

.direct-upload-box {
  padding: 14px;
  background: var(--panel-cool);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.direct-upload-box strong {
  font-weight: 560;
}

.upload-status {
  margin: 0;
  color: var(--ink-2);
  font-size: 13px;
}

.upload-console {
  display: grid;
  gap: 12px;
  width: min(720px, 100%);
  padding: 14px;
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.featured-media-box.is-stalled .upload-console {
  border-color: rgba(197, 133, 16, 0.38);
  background: var(--amber-bg);
}

.upload-console-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.upload-console-heading {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.upload-console-header strong {
  min-width: 0;
  font-size: 13.5px;
  font-weight: 560;
}

.upload-progress-detail {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
}

.upload-progress-value {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.upload-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.upload-step {
  position: relative;
  min-width: 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.upload-step::before {
  content: "";
  position: absolute;
  top: 0.42em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--outline);
  border-radius: 50%;
}

.upload-step.is-active {
  color: var(--accent);
  font-weight: 560;
}

.upload-step.is-active::before {
  background: var(--accent);
}

.upload-step.is-complete {
  color: var(--green);
}

.upload-step.is-complete::before {
  background: var(--green);
}

.featured-file-input {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 6px 14px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  font-size: 12.5px;
  font-weight: 560;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.featured-file-input:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.featured-file-input input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.featured-media-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.embed-media-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.embed-media-panel h3 {
  margin: 0;
  font-size: 14px;
}

.embed-media-panel p {
  margin-bottom: 0;
}

.lesson-editor-shell {
  display: grid;
  gap: 22px;
  width: min(960px, 100%);
  margin: 0 auto;
}

.lesson-editor-hidden-form,
.lesson-command-file-input {
  display: none;
}

.lesson-editor-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding-top: 14px;
}

.lesson-editor-heading {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.lesson-editor-count {
  margin: 0;
  color: var(--ink-2);
  font-size: 12px;
  line-height: 1.4;
}

.lesson-title-input {
  width: 100%;
  min-height: 44px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 28px;
  font-weight: 650;
  line-height: 1.18;
}

.lesson-title-input:focus {
  outline: none;
}

.lesson-title-input::placeholder,
.lesson-body-input::placeholder {
  color: var(--soft);
}

.lesson-editor-nav {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.lesson-editor-arrow {
  width: 36px;
  min-width: 36px;
  padding: 0;
  font-size: 15px;
}

.lesson-editor-arrow.disabled {
  color: var(--soft);
  opacity: 0.45;
  pointer-events: none;
}

.lesson-editor-media {
  margin-bottom: 0;
}

.lesson-editor-media .featured-media-box {
  min-height: 300px;
  padding: 58px 24px;
}

.inline-command {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.92em;
}

.lesson-editor-writing {
  display: grid;
  gap: 8px;
  padding: 8px 0 0;
}

.lesson-editor-body-control {
  gap: 0;
}

.lesson-body-input {
  width: 100%;
  min-height: 360px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 16px;
  line-height: 1.7;
  resize: vertical;
}

.lesson-body-input:focus {
  outline: none;
}

.lesson-command-status {
  min-height: 20px;
  color: var(--soft);
  font-size: 12.5px;
}

.lesson-editor-actions {
  position: sticky;
  z-index: 5;
  bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  padding: 12px;
  margin-top: 4px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(160%);
}

.lesson-editor-secondary {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.lesson-editor-disclosure {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.lesson-editor-disclosure summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 13px 16px;
  color: var(--ink-2);
  font-weight: 560;
  list-style: none;
  cursor: pointer;
}

.lesson-editor-disclosure summary::-webkit-details-marker {
  display: none;
}

.lesson-editor-disclosure summary::before {
  content: "";
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 6px solid currentColor;
  opacity: 0.58;
  transition: transform var(--transition-fast);
}

.lesson-editor-disclosure[open] summary::before {
  transform: rotate(90deg);
}

.lesson-editor-disclosure summary:hover {
  color: var(--accent);
  background: var(--accent-bg);
}

.lesson-editor-disclosure summary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.lesson-editor-disclosure-body {
  display: grid;
  gap: 16px;
  padding: 0 16px 16px;
}

.lesson-resource-list {
  margin-top: 4px;
}

.video-source-grid {
  display: grid;
  gap: 18px;
  margin-bottom: 14px;
}

.video-source-section {
  display: grid;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.video-source-section h3 {
  margin: 0;
  font-size: 14px;
}

.upload-progress {
  width: 100%;
  height: 8px;
}

.transcript-body {
  max-height: 520px;
  padding: 16px;
  overflow: auto;
  line-height: 1.55;
}

.transcript-time {
  display: inline-block;
  min-width: 64px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.qa-list,
.community-feed,
.answer-list,
.comment-list {
  display: grid;
  gap: 16px;
}

.community-layout .panel,
.community-feed .panel {
  margin-top: 0;
}

.community-layout .stack > .section-head:first-child {
  margin-bottom: 0;
}

.qa-list {
  max-width: 860px;
}

.qna-panel .panel-body,
.qa-list {
  padding: 20px;
}

.qa-item,
.answer-item,
.comment-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.qa-item:hover {
  border-color: var(--outline);
  box-shadow: var(--shadow);
}

.answer-item,
.comment-item {
  background: var(--surface);
}

/* Q&A Visual Hierarchy - Content First */
.qa-heading {
  align-items: flex-start;
  gap: 16px;
}

.qa-title-group {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.qa-heading h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  margin: 0;
}

.qa-author-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.qa-author-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 9px;
  font-weight: 600;
}

.qa-author-name {
  color: var(--ink-2);
  font-weight: 500;
}

.qa-author-meta {
  color: var(--soft);
}

.qa-body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-2);
}

.qa-body p {
  margin-bottom: 12px;
}

.answer-content {
  display: grid;
  gap: 12px;
}

.answer-content .rich-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-2);
}

.answer-content .rich-text p {
  margin-bottom: 10px;
}

.answer-content .rich-text p:last-child {
  margin-bottom: 0;
}

.answer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--soft);
  font-weight: 400;
  margin-top: 4px;
}

.answer-meta .msg-author {
  color: var(--ink-2);
  font-weight: 500;
}

.qa-heading,
.post-header {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
}

/* Question layout - no side avatar, author is inline */
.qa-content-wrapper {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.answer-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  min-width: 0;
}

.answer-content {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.qa-heading h3,
.post-header h2 {
  margin-bottom: 4px;
}

.qa-answers-section,
.qa-answers-disclosure {
  display: grid;
  gap: 12px;
}

.qa-answers-section:has(.qa-answers-disclosure[open]) .qa-accepted-answer-preview {
  display: none;
}

.qa-answers-toggle {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.qa-answers-toggle::-webkit-details-marker {
  display: none;
}

.qa-answers-toggle::marker {
  content: "";
}

.qa-answers-toggle:hover {
  color: var(--ink);
  border-color: var(--outline);
  background: var(--panel);
}

.qa-answers-toggle:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.qa-answers-toggle-label-expanded {
  display: none;
}

.qa-answers-toggle-label-collapsed {
  display: inline;
}

.qa-answers-disclosure[open] .qa-answers-toggle-label-expanded {
  display: inline;
}

.qa-answers-disclosure[open] .qa-answers-toggle-label-collapsed {
  display: none;
}

.qa-answers-toggle-icon {
  transition: transform var(--transition-fast);
}

.qa-answers-disclosure:not([open]) .qa-answers-toggle-icon {
  transform: rotate(-90deg);
}

.answer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

/* Accepted Answer - Premium warm treatment */
.answer-item.accepted {
  background: linear-gradient(180deg, #fdf8ed 0%, var(--panel) 100%);
  border-color: rgba(184, 135, 26, 0.25);
  box-shadow: 
    inset 0 0 0 1px rgba(255, 255, 255, 0.6),
    inset 3px 0 0 var(--amber),
    0 1px 2px rgba(0, 0, 0, 0.02);
  position: relative;
}

.answer-item.accepted::before {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 20px;
  height: 20px;
  background: var(--amber);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2'/%3E%3C/svg%3E") no-repeat center;
  mask-size: contain;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2'/%3E%3C/svg%3E") no-repeat center;
  -webkit-mask-size: contain;
  opacity: 0.15;
}

.answer-item.accepted .msg-avatar {
  box-shadow: 0 0 0 2px #fdf8ed, 0 0 0 3px rgba(184, 135, 26, 0.3);
}

.accepted-answer-badge {
  color: var(--amber);
  background: #fdf8ed;
  border: 1px solid rgba(184, 135, 26, 0.2);
  font-weight: 600;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 12px;
}

/* Staff/Official badges in answers */
.answer-meta .badge.staff,
.answer-meta .badge.agent {
  font-size: 11px;
  padding: 2px 7px;
}

.rich-text {
  line-height: 1.6;
}

.rich-text p,
.rich-text ul,
.rich-text ol,
.rich-text pre {
  margin-bottom: 12px;
}

.answer-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.post-item {
  overflow: hidden;
}

.comment-list {
  padding: 0 16px 16px;
}

.community-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 0;
  align-items: start;
  min-height: calc(100vh - 120px);
}

.channel-list {
  position: sticky;
  top: 0;
  display: grid;
  gap: 4px;
  align-content: start;
  padding: 16px;
  height: calc(100vh - 120px);
  overflow-y: auto;
  background: var(--surface);
  border-right: 1px solid var(--line);
  border-radius: 0;
}

.community-layout > .stack {
  padding: 0 28px;
}

.channel-workspace {
  width: min(980px, 100%);
}

.channel-header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 4px 0 14px;
  border-bottom: 1px solid var(--line);
}

.channel-header-main {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.channel-header h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
}

.channel-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
}

.channel-meta-strip span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.channel-meta-strip span + span::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--outline);
  border-radius: 999px;
}

.channel-feed-filters {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
}

.channel-feed-filter {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  background: var(--surface-low);
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.channel-feed-filter:hover {
  color: var(--ink);
  border-color: var(--outline);
}

.channel-feed-filter.active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface-low));
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}

.channel-prompt {
  margin: 0;
  padding: 10px 12px;
  color: var(--ink-2);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.channel-link {
  display: grid;
  gap: 2px;
  padding: 9px 10px;
  color: var(--ink-2);
  border-radius: var(--radius);
}

.channel-link:hover,
.channel-link.active {
  color: var(--accent);
  background: var(--accent-bg);
}

.channel-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.lesson-body h1,
.lesson-body h2,
.lesson-body h3 {
  margin-bottom: 10px;
  font-weight: 600;
}

.lesson-body p,
.lesson-body ul,
.lesson-body ol,
.lesson-body pre {
  margin-bottom: 14px;
}

.lesson-text-block {
  min-width: 0;
}

.lesson-inline-image {
  display: block;
  overflow: hidden;
  margin: 18px 0;
  background: var(--surface-low);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.lesson-inline-image img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 620px;
  object-fit: contain;
}

.lesson-inline-resource {
  display: grid;
  gap: 3px;
  margin: 18px 0;
  padding: 14px 16px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.lesson-inline-resource:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.lesson-inline-resource-title {
  font-weight: 560;
}

.lesson-inline-resource-meta {
  color: var(--muted);
  font-size: 12.5px;
}

.avatar {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-bg) 0%, rgba(0, 113, 227, 0.04) 100%);
  color: var(--accent);
  font-weight: 600;
  font-size: 11px;
  flex: 0 0 auto;
  overflow: hidden;
  box-shadow: inset 0 0 0 0.5px rgba(0, 113, 227, 0.1);
}

.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 10px;
  border-radius: var(--radius);
  transition: background var(--transition-fast);
}

.profile-info:hover {
  background: var(--surface-low);
}

.profile-info.active {
  background: var(--accent-bg);
}

.profile-info strong,
.profile-info span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-info .avatar {
  display: grid;
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 20px;
  align-items: start;
  margin-top: 20px;
}

.profile-layout .panel,
.profile-layout .form-panel {
  margin-top: 0;
}

.profile-layout .side-panel {
  grid-row: auto;
  grid-template-rows: none;
}

.profile-form-panel {
  max-width: none;
}

.profile-picture-editor {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 12px;
  background: var(--panel-cool);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.profile-avatar-preview {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  overflow: hidden;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  font-size: 28px;
  font-weight: 600;
}

.profile-avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-preview-row {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 16px;
}

.profile-preview-avatar {
  width: 36px;
  height: 36px;
  font-size: 13px;
}

.profile-preview-row strong,
.profile-preview-row span {
  display: block;
  overflow-wrap: anywhere;
}

.profile-preview-row strong {
  font-weight: 510;
}

.profile-preview-row span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}


.agent-callout {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  max-width: 840px;
  padding: 18px 20px;
  margin-top: 24px;
  border-radius: 16px;
  background: var(--accent-bg);
  border: 1px solid rgba(0, 113, 227, 0.14);
  transition: all var(--transition-base);
}

.agent-callout:hover {
  border-color: rgba(0, 113, 227, 0.28);
  box-shadow: var(--shadow-sm);
}

.agent-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
}

.nav-section {
  padding: 8px 16px 6px;
  font-size: 11px;
  font-weight: 510;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0;
}

kbd {
  display: inline-flex;
  align-items: center;
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--soft);
  font-family: var(--mono);
  font-size: 10px;
}

.progress {
  height: 3px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: inherit;
}

.breadcrumb {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12.5px;
}

.breadcrumb a {
  color: var(--muted);
  border-radius: var(--radius);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-sep {
  color: var(--outline);
}

.breadcrumb-current {
  color: var(--ink);
  font-weight: 510;
}

/* ── Conversation UI ─────────────────────────────────────────── */

.community-feed {
  display: grid;
  gap: 16px;
}

.msg-avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-weight: 600;
  font-size: 14px;
  flex: 0 0 auto;
  overflow: hidden;
  text-transform: uppercase;
}

.msg-avatar.blue    { background: var(--accent-bg);    color: var(--accent); }
.msg-avatar.green   { background: var(--green-bg);     color: var(--green); }
.msg-avatar.amber   { background: var(--amber-bg);     color: var(--amber); }
.msg-avatar.red     { background: var(--red-bg);       color: var(--red); }
.msg-avatar.neutral { background: var(--surface-low);  color: var(--muted); }

/* Circle.so-style Post Cards */
.post-thread {
  display: grid;
  gap: 0;
  padding: 20px;
  background: var(--panel);
  border: 0.5px solid var(--line);
  border-radius: 12px;
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.02),
    0 1px 2px rgba(0, 0, 0, 0.02);
  transition: all var(--transition-fast);
}

.post-thread:hover {
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.03),
    0 2px 8px rgba(0, 0, 0, 0.04);
  transform: translateY(-1px);
}

.thread-main,
.reply-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
}

.thread-content,
.reply-content,
.thread-title-group {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.thread-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  justify-content: space-between;
}

.thread-title {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
}

.post-thread > .thread-title,
.post-thread > .thread-body,
.post-thread > .thread-meta,
.post-thread > .thread-footer,
.post-thread > .thread-replies {
  margin-left: 52px;
}

.thread-meta,
.reply-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

/* Author header at top - Circle style */
.thread-author-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.thread-author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.thread-author-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.thread-author-time {
  font-size: 12px;
  color: var(--soft);
  font-family: var(--mono);
}

.msg-author {
  color: var(--ink-2);
  font-weight: 550;
}

.msg-time,
.relative-time {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 12px;
}

/* Engagement footer - Circle style */
.thread-footer {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 0.5px solid var(--line);
}

.thread-footer-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.thread-footer-form {
  margin: 0;
  display: inline-flex;
}

.thread-footer-action:hover {
  background: var(--surface-low);
  color: var(--ink);
}

.thread-footer-action svg,
.thread-footer-action .icon {
  width: 16px;
  height: 16px;
}

.thread-footer-action.liked {
  color: var(--accent);
}

.thread-footer-action.saved {
  color: var(--accent);
}

.thread-footer-action.replied {
  color: var(--green);
}

.thread-footer-action.copied {
  color: var(--accent);
}

.thread-footer-count {
  font-family: var(--mono);
  font-size: 12px;
}

.post-thread:target {
  border-color: rgba(0, 113, 227, 0.42);
  box-shadow:
    0 0 0 3px rgba(0, 113, 227, 0.1),
    0 8px 24px rgba(0, 0, 0, 0.06);
}

.thread-body,
.msg-body {
  color: var(--ink-2);
  line-height: 1.6;
  font-size: 15px;
}

.community-rich-body {
  display: grid;
  gap: 10px;
}

.community-text-block {
  min-width: 0;
}

.thread-body:empty,
.msg-body:empty {
  display: none;
}

.thread-body p:last-child,
.msg-body p:last-child {
  margin-bottom: 0;
}

.community-media {
  display: grid;
  gap: 10px;
  margin-top: 0;
}

.community-media-grid {
  display: grid;
  gap: 8px;
}

.community-media-grid-2,
.community-media-grid-3,
.community-media-grid-4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.community-media-image {
  display: block;
  overflow: hidden;
  background: var(--surface-low);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.community-media-image img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
}

.community-video-embed {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--surface-low);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.community-video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.reply-preview,
.reply-list {
  display: grid;
  gap: 10px;
  margin-left: 46px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.reply-history {
  margin-left: 46px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.reply-history summary,
.moderation-menu summary {
  width: max-content;
  color: var(--muted);
  font-size: 12.5px;
  cursor: pointer;
  border-radius: var(--radius);
}

.reply-history summary:hover,
.moderation-menu summary:hover {
  color: var(--accent);
}

.reply-history[open] summary {
  margin-bottom: 10px;
}

.reply-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  margin-top: 6px;
  margin-left: 0;
}

.reply-like-action {
  padding: 4px 8px;
  font-size: 12px;
}

.reply-trigger {
  font-size: 12.5px;
  min-height: 30px;
  padding: 4px 9px;
}

.reply-composer {
  margin-left: 46px;
}

.composer-trigger {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 12px;
  color: var(--ink-2);
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.composer-trigger:hover {
  border-color: var(--outline);
  box-shadow: var(--shadow);
}

.composer-trigger:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.composer-trigger-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.composer-trigger-prompt {
  overflow: hidden;
  color: var(--ink);
  font-size: 13.5px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-trigger-meta {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-trigger-action {
  pointer-events: none;
}

.chat-input {
  display: grid;
  gap: 8px;
}

.chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.composer-media-fields,
.reply-media-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.reply-media-fields {
  margin-top: 2px;
}

.composer-primary-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.composer-primary-fields.with-kind {
  grid-template-columns: minmax(0, 1fr) minmax(150px, auto);
}

.composer-kind-field {
  width: 160px;
}

.composer-body-control {
  position: relative;
  display: grid;
  gap: 6px;
  min-width: 0;
}

.chat-input-row .composer-body-control {
  flex: 1;
}

.composer-body-control textarea {
  width: 100%;
}

.composer-heading {
  display: grid;
  gap: 4px;
}

.composer-heading h2 {
  margin: 0;
  font-size: 15px;
  line-height: 1.3;
}

.composer-heading p {
  margin: 0;
}

.composer-error {
  padding: 8px 10px;
  color: var(--red);
  background: var(--red-bg);
  border: 1px solid #f4b7b7;
  border-radius: var(--radius);
  font-size: 13px;
}

.composer-disclosure {
  min-width: 0;
}

.composer-disclosure summary {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 9px;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 510;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.composer-disclosure summary::-webkit-details-marker {
  display: none;
}

.composer-disclosure summary:hover,
.composer-disclosure[open] summary {
  color: var(--accent);
  background: var(--accent-bg);
  border-color: color-mix(in srgb, var(--accent) 28%, var(--line));
}

.composer-disclosure summary:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.composer-disclosure[open] summary {
  margin-bottom: 8px;
}

/* Admin panel disclosure - elegant minimal style */
.admin-disclosure summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  list-style: none;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.admin-disclosure summary::-webkit-details-marker {
  display: none;
}

.admin-disclosure summary::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform var(--transition-fast);
  transform: rotate(-90deg);
  opacity: 0.6;
}

.admin-disclosure[open] summary::before {
  transform: rotate(0deg);
}

.admin-disclosure summary:hover {
  color: var(--ink-2);
  background: var(--surface);
  border-color: var(--line);
}

.admin-disclosure summary:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.admin-disclosure[open] summary {
  color: var(--ink-2);
  margin-bottom: 12px;
}

.slash-command-menu {
  position: absolute;
  z-index: 10;
  top: calc(100% + 6px);
  left: 0;
  display: grid;
  gap: 2px;
  width: min(340px, 100%);
  padding: 6px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.slash-command-menu[hidden] {
  display: none;
}

.slash-command-option {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 36px;
  padding: 7px 8px;
  color: var(--ink-2);
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
}

.slash-command-option:hover,
.slash-command-option.active {
  color: var(--accent);
  background: var(--accent-bg);
}

.slash-command-token {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
}

.slash-command-option.active .slash-command-token,
.slash-command-option:hover .slash-command-token {
  color: var(--accent);
}

.slash-command-copy {
  overflow: hidden;
  color: inherit;
  font-size: 12.5px;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.community-upload-control {
  display: grid;
  gap: 3px;
  padding: 10px;
  color: var(--ink-2);
  background: var(--panel);
  border: 1px dashed var(--outline);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.community-upload-control:hover,
.community-upload-control:focus-within {
  background: var(--accent-bg);
  border-color: var(--accent);
}

.community-upload-control:focus-within {
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.community-upload-title {
  color: var(--ink);
  font-size: 13px;
  font-weight: 560;
}

.community-upload-meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.composer-inline-insert {
  justify-self: start;
}

.field .community-file-input {
  position: absolute;
  width: 1px;
  min-height: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chat-input textarea {
  flex: 1;
  resize: none;
  min-height: 38px;
  max-height: 120px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  line-height: 1.4;
  background: var(--surface);
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.chat-input textarea:focus {
  border-color: var(--accent);
  outline: none;
  background: var(--panel);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.btn-send {
  display: grid;
  place-items: center;
  width: 36px;
  height: 38px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  flex: 0 0 auto;
  font-size: 16px;
  font-weight: 600;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-send:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.reply-submit {
  min-height: 38px;
  flex: 0 0 auto;
}

.new-post-panel {
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.new-post-panel .field input,
.new-post-panel .field textarea {
  background: var(--panel);
}

.post-locked {
  margin-left: 46px;
  color: var(--muted);
  font-size: 13px;
  font-style: italic;
}

.moderation-menu {
  position: relative;
  flex-shrink: 0;
}

.thread-moderation {
  margin-top: 2px;
}

.moderation-menu summary {
  list-style: none;
  padding: 3px 7px;
  background: var(--surface-low);
}

.moderation-menu summary::-webkit-details-marker {
  display: none;
}

.moderation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: 8px;
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.moderation-actions .btn.ghost {
  min-height: 0;
  padding: 3px 8px;
  font-size: 12px;
}

.channel-list-heading {
  padding: 4px 8px 6px;
  color: var(--soft);
  font-size: 11px;
  font-weight: 560;
  text-transform: uppercase;
}

.channel-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  color: var(--ink-2);
  border-radius: 12px;
  font-size: 14px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.channel-item:hover,
.channel-item.active {
  background: var(--panel);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.channel-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.channel-item .channel-hash {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface-low);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  flex: 0 0 auto;
}

.channel-item.active .channel-hash {
  background: var(--accent-bg);
  color: var(--accent);
}

.channel-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.channel-item .channel-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 560;
}

.channel-activity {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10.5px;
}

/* ── End Conversation UI ─────────────────────────────────────── */

/* ── Course Show Page ──────────────────────────────────────────── */

.course-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.course-hero-content {
  min-width: 0;
}

.course-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.course-resume-panel {
  display: grid;
  gap: 8px;
  width: min(360px, 100%);
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.course-resume-panel h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 610;
  line-height: 1.25;
}

.course-resume-panel .muted {
  margin: 0;
}

.course-hero-image {
  width: 200px;
  height: 140px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-shrink: 0;
}

.course-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 10px;
}

.course-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.course-stat-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  font-family: var(--mono);
}

.course-stat-label {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
}

.progress--lg {
  height: 6px;
  margin-bottom: 20px;
}

.course-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 20px;
  align-items: start;
}

.course-main {
  display: grid;
  gap: 12px;
}

.course-sidebar {
  position: sticky;
  top: 20px;
  display: grid;
  gap: 12px;
}

.course-sidebar-body {
  padding: 0 14px 14px;
}

.course-sidebar-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.course-sidebar-row:last-child {
  border-bottom: 0;
}

.course-section {
  margin-top: 0;
}

.course-section-header {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.course-section-header::-webkit-details-marker {
  display: none;
}

.course-section-info {
  min-width: 0;
}

.course-section-number {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  font-family: var(--sans);
}

.course-section-chevron {
  font-size: 18px;
  color: var(--muted);
  transition: transform var(--transition-fast);
  transform: rotate(90deg);
}

.course-section[open] > .course-section-header .course-section-chevron {
  transform: rotate(270deg);
}

.lesson-row {
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
}

.lesson-status-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-low);
  color: var(--muted);
  font-size: 13px;
  flex-shrink: 0;
}

.lesson-status-icon.completed {
  background: var(--green-bg);
  color: var(--green);
}

.lesson-status-icon.in-progress {
  background: var(--amber-bg);
  color: var(--amber);
}

.lesson-row--completed {
  opacity: 0.75;
}

.lesson-row--completed:hover {
  opacity: 1;
}

.lesson-row-body {
  min-width: 0;
}

.lesson-row-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.lesson-row-meta {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

.lesson-duration {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── End Course Show Page ──────────────────────────────────────── */

/* ── Lesson Revamp ───────────────────────────────────────────── */

.lesson-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.lesson-top-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  justify-content: flex-end;
  min-width: 0;
  max-width: min(50vw, 430px);
  padding: 2px;
  background: rgba(245, 243, 239, 0.62);
  border: 1px solid rgba(232, 228, 223, 0.78);
  border-radius: var(--radius-lg);
}

.lesson-top-link {
  display: grid;
  min-width: 0;
  max-width: 204px;
  gap: 1px;
  padding: 5px 8px;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--radius);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.lesson-top-link:hover {
  color: var(--ink);
  background: var(--surface-low);
}

.lesson-top-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lesson-top-link--next:hover {
  color: var(--accent);
  background: var(--accent-bg);
}

.lesson-top-dir {
  font-size: 11px;
  font-weight: 530;
  line-height: 1.2;
}

.lesson-top-title {
  overflow: hidden;
  color: var(--ink-2);
  font-size: 12px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lesson-course-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-column: 1;
  grid-row: 1;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.lesson-course-strip > div:first-child {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.lesson-course-strip strong {
  font-size: 14px;
  font-weight: 610;
}

.lesson-course-strip__heading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.lesson-current-pill {
  min-height: 20px;
  padding: 2px 7px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 11px;
}

.lesson-course-strip .progress {
  max-width: 260px;
}

.lesson-hero {
  grid-column: 1;
  grid-row: 2;
  margin-top: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lesson-hero .lesson-player {
  margin-top: 0;
  border-radius: 0;
  border: 0;
}

.lesson-hero .lesson-player video,
.lesson-hero .lesson-player mux-player {
  display: block;
  width: 100%;
}

.lesson-hero .video-placeholder {
  margin-top: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.lesson-hero__meta {
  padding: 22px 24px 24px;
}

.lesson-hero__meta .eyebrow {
  margin-bottom: 8px;
  font-size: 11.5px;
}

.lesson-state-badge {
  margin-bottom: 10px;
}

.lesson-hero__actions .badge {
  margin-bottom: 0;
}

.lesson-hero__meta h1 {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 6px;
}

.lesson-hero__description {
  margin-top: 4px;
  max-width: 680px;
}

.lesson-hero__progress {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.lesson-hero__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.lesson-hero__progress-label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
}

.lesson-hero__action-form {
  margin: 0;
}

.lesson-layout {
  display: grid;
  grid-template-columns: minmax(0, 1040px) minmax(260px, 300px);
  gap: 24px;
  align-items: start;
  max-width: 1364px;
}

.lesson-main {
  grid-column: 1;
  grid-row: 3;
  min-width: 0;
}

.lesson-content-column {
  min-width: 0;
  margin-top: 0;
}

.lesson-content-column > .lesson-body {
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  padding: 0;
  margin-top: 0;
  font-size: 15px;
  line-height: 1.75;
}

.lesson-content-column > .lesson-body p,
.lesson-content-column > .lesson-body ul,
.lesson-content-column > .lesson-body ol,
.lesson-content-column > .lesson-body pre {
  margin-bottom: 18px;
}

.lesson-content-column > .lesson-body h2 {
  font-size: 20px;
  margin-top: 32px;
  margin-bottom: 12px;
}

.lesson-content-column > .lesson-body h3 {
  font-size: 16px;
  margin-top: 24px;
  margin-bottom: 10px;
}

.lesson-content-column > .agent-callout {
  grid-template-columns: 40px minmax(0, 1fr) auto;
  padding: 16px 18px;
  margin-top: 28px;
  margin-bottom: 28px;
  max-width: none;
}

.lesson-content-column > .agent-callout .agent-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  font-size: 16px;
}

.lesson-content-column > .agent-callout strong {
  font-size: 14.5px;
}

.agent-callout--coming-soon {
  cursor: default;
}

.agent-callout--coming-soon:hover {
  border-color: rgba(0, 113, 227, 0.14);
}

.agent-callout--coming-soon .agent-icon {
  background: var(--accent-bg);
  color: var(--accent);
}

.lesson-tabs .tabs {
  gap: 4px;
  padding: 4px;
  border-bottom: none;
  background: var(--surface-low);
  border-radius: var(--radius-lg);
  margin: 12px 12px 4px;
}

.lesson-tabs .tabs button {
  padding: 7px 14px;
  border-radius: var(--radius);
  border-bottom: none;
  font-size: 12.5px;
  font-weight: 510;
}

.lesson-tabs .tabs button.active {
  color: var(--ink);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  border-bottom-color: transparent;
}

.lesson-tabs .tabs button:hover:not(.active) {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.03);
}

.qna-form-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  margin: 4px 16px 16px;
  font-size: 13px;
  font-weight: 510;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid rgba(0, 113, 227, 0.14);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.qna-form-trigger:hover {
  background: rgba(0, 113, 227, 0.12);
  border-color: rgba(0, 113, 227, 0.24);
}

.qna-form-wrapper {
  margin: 0 16px 20px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-cool);
}

.qna-form-wrapper[hidden] {
  display: none;
}

.transcript-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.transcript-segment {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  width: 100%;
  padding: 8px 10px;
  margin: 0;
  text-align: left;
  background: none;
  border: 0;
  border-radius: var(--radius);
  color: var(--ink);
  font: inherit;
  line-height: 1.6;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.transcript-segment--static {
  cursor: default;
}

.transcript-segment:hover:not(.transcript-segment--static) {
  background: var(--surface-low);
}

.transcript-segment.is-active {
  background: var(--accent-bg);
}

.transcript-segment.is-active .transcript-time {
  color: var(--accent);
}

.transcript-segment .transcript-time {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
  white-space: nowrap;
}

.transcript-segment .transcript-text {
  min-width: 0;
}

.lesson-sidebar {
  grid-column: 2;
  grid-row: 1 / span 3;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow: auto;
  margin-top: 12px;
}

.lesson-sidebar .panel-header {
  padding: 12px 14px;
}

.lesson-sidebar .panel-header h3 {
  font-size: 13px;
  font-weight: 590;
}

.lesson-sidebar .list-row.lesson-row {
  padding: 8px 14px;
  font-size: 12.5px;
}

.lesson-sidebar .lesson-row-body strong {
  font-size: 12.5px;
}

.lesson-sidebar .lesson-status-icon {
  width: 22px;
  height: 22px;
  font-size: 10px;
}

.lesson-sidebar .lesson-row {
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 8px;
}

.lesson-sidebar .course-section-header {
  padding: 10px 14px;
  grid-template-columns: 22px 1fr auto;
  gap: 8px;
}

.lesson-sidebar .course-section-number {
  width: 22px;
  height: 22px;
  font-size: 11px;
}

.lesson-sidebar .course-section-info strong {
  font-size: 12.5px;
}

.lesson-sidebar .course-section-info {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.course-section-progress {
  height: 2px;
  margin-top: 2px;
}

.lesson-sidebar .lesson-row--current {
  background: var(--accent-bg);
  box-shadow: inset 2px 0 0 var(--accent);
}

.lesson-sidebar .lesson-row--current strong {
  color: var(--accent);
}

.lesson-sidebar .lesson-row--current.lesson-row--completed {
  opacity: 1;
}

.lesson-sidebar .row-sub {
  font-size: 11px;
}

.lesson-sidebar .lesson-duration {
  font-size: 10px;
}

/* ── End Lesson Revamp ───────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1280px) {
  .dashboard-grid,
  .profile-layout {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .dashboard-grid > .stack {
    grid-row: auto;
    grid-template-rows: none;
  }

  .side-panel {
    display: grid;
    grid-row: auto;
    grid-template-rows: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lesson-layout {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .lesson-course-strip {
    display: grid;
  }

  .lesson-course-strip,
  .lesson-hero,
  .lesson-main {
    grid-column: 1;
    grid-row: auto;
  }

  .lesson-sidebar {
    display: none;
  }
}

@media (max-width: 1080px) {
  .course-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .community-layout {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .side-panel {
    grid-template-columns: 1fr;
  }

  .course-layout {
    grid-template-columns: 1fr;
  }

  .course-sidebar {
    position: static;
  }
}

@media (max-width: 900px) {
  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .page {
    padding: 80px 20px calc(140px + env(safe-area-inset-bottom, 0px));
  }

  .breadcrumb {
    font-size: 13px;
    margin-bottom: 8px;
  }

  .lesson-nav {
    align-items: stretch;
  }

  .lesson-course-strip {
    grid-template-columns: 1fr;
  }

  .lesson-top-switcher {
    width: 100%;
    max-width: none;
  }

  .lesson-top-link {
    flex: 1;
    max-width: none;
    min-height: 44px;
  }

  .scope-grid {
    grid-template-columns: 1fr;
  }

  .curriculum-grid {
    grid-template-columns: 1fr;
  }

  .lesson-layout {
    grid-template-columns: 1fr;
  }

  .lesson-sidebar {
    position: static;
  }

  .lesson-hero {
    margin: 8px -4px 0;
    border-radius: 16px;
  }

  .lesson-row-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .lesson-row-meta {
    align-items: flex-start;
    justify-content: flex-start;
  }

  .lesson-course-strip {
    grid-template-columns: 1fr;
  }

  .lesson-course-strip-actions {
    justify-content: stretch;
  }

  .lesson-course-strip-actions .btn {
    flex: 1;
    justify-content: center;
  }

  .lesson-tabs .tabs {
    margin: 8px 8px 4px;
    border-radius: 14px;
  }

  .lesson-editor-shell {
    width: 100%;
    gap: 18px;
  }

  .lesson-editor-header {
    grid-template-columns: 1fr;
  }

  .lesson-editor-nav {
    justify-self: start;
  }

  .lesson-title-input {
    font-size: 24px;
  }

  .lesson-editor-media .featured-media-box {
    min-height: 260px;
    padding: 42px 16px;
  }

  .lesson-body-input {
    min-height: 300px;
  }

  .lesson-editor-actions {
    position: static;
    display: grid;
    justify-content: stretch;
  }

  .upload-console-header,
  .upload-steps {
    grid-template-columns: 1fr;
  }

  .profile-picture-editor {
    grid-template-columns: 1fr;
  }

  .upload-console-header .badge,
  .upload-progress-value {
    justify-self: start;
  }

  .mobile-topbar {
    position: fixed;
    z-index: 20;
    top: 0;
    right: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    padding: 12px 16px;
    background: rgba(250, 248, 245, 0.95);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(16px);
  }

  .mobile-topbar .brand {
    padding: 0;
  }

  .mobile-nav {
    position: fixed;
    z-index: 20;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    left: 12px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(16px);
  }

  .mobile-nav-link {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 48px;
    padding: 0 4px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-nav-link.active {
    color: var(--accent);
    background: var(--accent-bg);
    font-weight: 600;
  }

  .page-header,
  .qa-heading,
  .post-header,
  .actions,
  .inline-form {
    display: grid;
    justify-content: stretch;
  }

  .grid-2,
  .grid-3,
  .metric-strip,
  .dashboard-grid,
  .profile-layout,
  .community-layout,
  .list-row,
  .member-row {
    grid-template-columns: 1fr;
  }

  .course-grid {
    grid-template-columns: 1fr;
  }

  .course-card-footer {
    display: grid;
    align-items: stretch;
  }

  .course-card-footer .btn,
  .course-card-footer form {
    width: 100%;
  }

  .course-hero {
    grid-template-columns: 1fr;
  }

  .course-resume-panel {
    width: 100%;
  }

  .course-hero-image {
    width: 100%;
    height: 160px;
    order: -1;
  }

  .course-stats {
    grid-template-columns: 1fr;
  }

  .channel-list {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .community-layout > .stack {
    padding: 0;
  }

  .channel-header {
    display: grid;
  }

  .channel-header .btn {
    justify-self: start;
  }

  .composer-trigger {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .composer-trigger-action {
    grid-column: 2;
    justify-self: start;
    margin-top: 2px;
  }

  .composer-trigger-prompt,
  .composer-trigger-meta {
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
  }

  .reply-preview,
  .reply-list,
  .reply-history,
  .reply-actions,
  .reply-composer,
  .post-locked {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }

  .thread-head {
    display: grid;
  }

  .thread-moderation {
    justify-self: start;
  }

  .post-thread > .thread-title,
  .post-thread > .thread-body,
  .post-thread > .thread-meta,
  .post-thread > .thread-footer,
  .post-thread > .thread-replies {
    margin-left: 0;
  }

  .thread-main,
  .reply-row {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
  }

  .composer-media-fields,
  .reply-media-fields,
  .composer-primary-fields.with-kind,
  .community-media-grid-2,
  .community-media-grid-3,
  .community-media-grid-4 {
    grid-template-columns: 1fr;
  }

  .composer-kind-field {
    width: 100%;
  }

  .chat-input-row {
    align-items: stretch;
  }

  .msg-avatar {
    width: 30px;
    height: 30px;
  }

  .span-2 {
    grid-column: auto;
  }
}

/* ── Superhuman Keyboard Shortcuts ──────────────────────────── */

/* Shortcut hint badges */
kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: linear-gradient(180deg, #f5f3ef 0%, #ebe8e3 100%);
  border: 0.5px solid var(--outline);
  border-radius: 4px;
  box-shadow: 
    0 0.5px 0 rgba(255, 255, 255, 0.8) inset,
    0 1px 1px rgba(0, 0, 0, 0.08);
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Larger shortcut badges for UI hints */
.shortcut-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: var(--surface-low);
  border-radius: 6px;
  font-size: 11px;
  color: var(--muted);
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

/* Show shortcuts on hover or when modifier pressed */
body.shortcuts-visible .shortcut-hint,
*:hover > .shortcut-hint,
*:focus > .shortcut-hint,
.nav-link:hover .shortcut-hint {
  opacity: 1;
}

/* Shortcut hints in nav */
.nav-link .shortcut-hint {
  flex-shrink: 0;
  margin-left: auto;
  padding: 1px 4px;
  font-size: 10px;
}

.nav-link .shortcut-hint kbd {
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  font-size: 9px;
}

/* Command Palette */
.command-palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.command-palette-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.command-palette {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%) scale(0.96);
  width: min(640px, 90vw);
  background: var(--panel);
  border: 0.5px solid var(--line);
  border-radius: 12px;
  box-shadow: 
    0 0 0 0.5px rgba(0, 0, 0, 0.02),
    0 4px 24px rgba(0, 0, 0, 0.12);
  z-index: 101;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-spring);
}

.command-palette-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) scale(1);
}

.command-palette-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 0.5px solid var(--line);
}

.command-palette-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 16px;
  font-weight: 400;
  color: var(--ink);
  outline: none;
}

.command-palette-input::placeholder {
  color: var(--soft);
}

.command-palette-close {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.command-palette-close:hover {
  background: var(--surface-low);
  color: var(--ink);
}

.command-palette-results {
  max-height: 400px;
  overflow-y: auto;
  padding: 8px;
}

.command-palette-section {
  margin-bottom: 8px;
}

.command-palette-section-title {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--soft);
}

.command-palette-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.command-palette-item:hover,
.command-palette-item.selected {
  background: var(--accent-bg);
}

.command-palette-item-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background: var(--surface-low);
  border-radius: 8px;
  color: var(--accent);
}

.command-palette-item-content {
  flex: 1;
}

.command-palette-item-title {
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
}

.command-palette-item-subtitle {
  font-size: 12px;
  color: var(--muted);
}

.command-palette-item-shortcut {
  font-size: 11px;
  color: var(--soft);
}

.command-palette-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-top: 0.5px solid var(--line);
  background: var(--surface);
  font-size: 11px;
  color: var(--muted);
}

.command-palette-footer kbd {
  margin: 0 2px;
}

/* Shortcuts Help Modal */
.shortcuts-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.shortcuts-modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.shortcuts-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: min(600px, 90vw);
  max-height: 80vh;
  background: var(--panel);
  border: 0.5px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  z-index: 201;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-spring);
}

.shortcuts-modal-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

.shortcuts-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 0.5px solid var(--line);
}

.shortcuts-modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.shortcuts-modal-close {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.shortcuts-modal-close:hover {
  background: var(--surface-low);
  color: var(--ink);
}

.shortcuts-modal-body {
  padding: 24px;
  overflow-y: auto;
  max-height: calc(80vh - 80px);
}

.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.shortcuts-section {
  display: grid;
  gap: 12px;
}

.shortcuts-section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--soft);
  margin-bottom: 4px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 0.5px solid var(--line);
}

.shortcut-row:last-child {
  border-bottom: none;
}

.shortcut-name {
  font-size: 13px;
  color: var(--ink);
}

.shortcut-keys {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Navigation selected state for J/K */
[data-nav-selected="true"] {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 8px;
}

/* Quick action hint that appears when pressing modifier */
.quick-action-hint {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(26, 26, 26, 0.9);
  backdrop-filter: blur(8px);
  border-radius: 8px;
  color: white;
  font-size: 12px;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.quick-action-hint.visible {
  opacity: 1;
}

.quick-action-hint kbd {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
}

/* ── End Superhuman Keyboard Shortcuts ────────────────────── */

/* ── Circle.so-style Modal Composer ─────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-panel {
  position: relative;
  width: min(600px, 100%);
  max-height: calc(100vh - 40px);
  background: var(--panel);
  border: 0.5px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 0.5px solid var(--line);
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.modal-close {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--surface-low);
  color: var(--ink);
}

.sidebar-feedback-button {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  width: calc(100% - 16px);
  margin: 8px;
  padding: 9px 12px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-feedback-button:hover {
  border-color: rgba(0, 113, 227, 0.25);
  color: var(--accent);
  background: var(--accent-bg);
  box-shadow: none;
}

.sidebar-feedback-button:active {
  transform: scale(0.98);
}

.feedback-modal-panel {
  width: min(520px, 100%);
}

.feedback-modal-eyebrow {
  margin: 0 0 4px;
  color: var(--soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.feedback-form-copy {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.55;
}

.feedback-message-input {
  min-height: 150px;
  resize: vertical;
}

.modal-form {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-body-control {
  position: relative;
  display: grid;
  gap: 6px;
}

.modal-title-input {
  width: 100%;
  padding: 0;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
  outline: none;
  transition: border-color var(--transition-fast);
}

.modal-title-input:focus {
  border-color: var(--accent);
}

.modal-title-input::placeholder {
  color: var(--soft);
}

.modal-body-input {
  width: 100%;
  min-height: 120px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  resize: vertical;
  outline: none;
  transition: all var(--transition-fast);
}

.modal-body-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.modal-body-input::placeholder {
  color: var(--soft);
}

.modal-attachments {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.modal-attachment-toggle {
  display: inline-flex;
  flex-direction: column;
}

.modal-attachment-toggle summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--surface-low);
  border-radius: 8px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  list-style: none;
}

.modal-attachment-toggle summary::-webkit-details-marker {
  display: none;
}

.modal-attachment-toggle summary:hover {
  background: var(--surface);
  color: var(--ink);
}

.modal-attachment-content {
  margin-top: 8px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.modal-file-input {
  width: 100%;
  padding: 8px;
  font-size: 13px;
}

.modal-file-hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

.modal-url-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--outline);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}

.modal-url-input:focus {
  border-color: var(--accent);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 0.5px solid var(--line);
}

/* ── End Circle.so-style Modal Composer ────────────────────── */

/* ── Standardized Comment/Answer Input ─────────────────────── */

/* Clean inline input for comments and Q&A answers */
.inline-composer {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
}

.inline-composer .msg-avatar {
  flex-shrink: 0;
}

.inline-composer-form {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inline-composer-input-wrapper {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 12px;
  transition: all var(--transition-fast);
}

.inline-composer-input-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
  background: var(--panel);
}

.inline-composer-textarea {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  resize: none;
  min-height: 20px;
  max-height: 120px;
  outline: none;
}

.inline-composer-textarea::placeholder {
  color: var(--soft);
}

.inline-composer-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.inline-composer-btn {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.inline-composer-btn:hover {
  background: var(--surface-low);
  color: var(--ink);
}

.inline-composer-btn.send {
  background: var(--accent);
  color: white;
}

.inline-composer-btn.send:hover {
  background: var(--accent-hover);
}

.inline-composer-btn svg {
  width: 18px;
  height: 18px;
}

.inline-composer-image-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 2px 4px 0;
}

.inline-composer-image-preview[hidden] {
  display: none;
}

.inline-composer-image-thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

/* Simple attachment toggle */
.inline-composer-attachments {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-left: 4px;
}

.inline-composer-attachment-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.inline-composer-attachment-btn:hover {
  background: var(--surface-low);
  color: var(--ink);
}

.inline-composer-attachment-btn svg {
  width: 14px;
  height: 14px;
}

/* Expanded attachment panel */
.inline-composer-attachment-panel {
  padding: 12px;
  background: var(--surface);
  border-radius: 8px;
  margin-top: 4px;
}

/* ── End Standardized Comment/Answer Input ───────────────── */