/* NeuroAssist — global styles (replaces former Tailwind usage) */

:root {
  --bg: hsl(210 40% 98%);
  --fg: hsl(222.2 47.4% 11.2%);
  --muted: hsl(215.4 16.3% 46.9%);
  --border: hsl(214.3 31.8% 91.4%);
  --card-bg: #fff;
  --sky-100: #e0f2fe;
  --sky-700: #0369a1;
  --sky-900: #0c4a6e;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 640px) {
  body {
    font-size: 16px;
  }
}

a {
  color: inherit;
  text-underline-offset: 4px;
}

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

.skip-link:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0.5rem 1rem;
  clip: auto;
  overflow: visible;
  white-space: normal;
  background: var(--slate-900);
  color: #fff;
  z-index: 100;
}

/* Layout */
.layout-marketing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--slate-50);
  color: var(--slate-900);
}

.layout-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #fff;
  color: var(--slate-900);
}

.main-marketing {
  flex: 1;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 2.5rem;
}

@media (min-width: 1024px) {
  .main-marketing {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.main-app {
  flex: 1;
  display: flex;
  justify-content: center;
}

.main-app-inner {
  width: 100%;
  max-width: 64rem;
  padding: 2rem 1.5rem;
}

@media (min-width: 1024px) {
  .main-app-inner {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}

.main-docs {
  flex: 1;
  width: 100%;
  max-width: 64rem;
  margin: 0 auto;
  padding: 2rem 1rem 2.5rem;
}

.stack-lg > * + * {
  margin-top: 2rem;
}

.stack-md > * + * {
  margin-top: 1rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--slate-200);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
}

.site-header-inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
}

@media (min-width: 1024px) {
  .site-header-inner {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.brand {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--slate-900);
}

.brand:hover {
  text-decoration: none;
}

.nav-cluster {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--slate-700);
}

@media (min-width: 640px) {
  .site-nav {
    display: flex;
  }
}

.nav-link {
  text-decoration: none;
  border-radius: 0.25rem;
  padding: 0.25rem 0.5rem;
}

.nav-link:hover {
  background: var(--slate-100);
}

.nav-link.active {
  background: var(--slate-900);
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--slate-200);
  background: #fff;
  margin-top: auto;
}

.site-footer-inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 1rem;
  font-size: 0.75rem;
  color: var(--slate-600);
}

@media (min-width: 1024px) {
  .site-footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-nav a {
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--slate-900);
}

/* Page header */
.page-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px solid var(--slate-200);
  padding-bottom: 0.75rem;
  padding-top: 0.25rem;
}

@media (min-width: 640px) {
  .page-header {
    flex-direction: row;
    align-items: center;
  }
}

.page-header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

@media (min-width: 640px) {
  .page-header h1 {
    font-size: 1.5rem;
  }
}

.page-header-desc {
  margin: 0.25rem 0 0;
  max-width: 42rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.page-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

/* Cards */
.card {
  border: 1px solid var(--slate-200);
  border-radius: 0.5rem;
  background: var(--card-bg);
  color: var(--slate-900);
}

.card-header {
  padding: 1rem 1rem 0.5rem;
  border-bottom: 1px solid var(--slate-100);
}

.card-title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-900);
}

.card-body {
  padding: 1rem;
}

.card-dark {
  border-color: rgba(30, 41, 59, 0.8);
  background: rgba(2, 6, 23, 0.6);
  color: var(--slate-100);
}

.card-dark .card-body {
  color: var(--slate-300);
  font-size: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.25;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.35rem 0.75rem;
}

.btn-lg {
  font-size: 1rem;
  padding: 0.65rem 1.25rem;
}

.btn-primary {
  background: var(--slate-900);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--slate-800);
}

.btn-outline {
  background: #fff;
  border-color: var(--slate-300);
  color: var(--slate-900);
}

.btn-outline:hover:not(:disabled) {
  background: var(--slate-50);
}

.btn-secondary {
  background: var(--slate-100);
  color: var(--slate-900);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--slate-200);
}

.btn-ghost {
  background: transparent;
  color: var(--slate-700);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--slate-100);
}

/* Forms */
.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--slate-800);
  margin-bottom: 0.25rem;
}

.input,
.textarea,
.select {
  width: 100%;
  border: 1px solid var(--slate-300);
  border-radius: 0.375rem;
  background: #fff;
  color: var(--slate-900);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  font-family: inherit;
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: 2px solid #0ea5e9;
  outline-offset: 0;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

/* Grids */
.grid-2 {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.grid-hero {
  display: grid;
  gap: 2.5rem;
  padding-bottom: 4rem;
  padding-top: 1rem;
}

@media (min-width: 768px) {
  .grid-hero {
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.4fr);
    align-items: center;
  }
}

.grid-dashboard {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .grid-dashboard {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr);
  }
}

.grid-captions {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .grid-captions {
    grid-template-columns: minmax(0, 2.3fr) minmax(0, 1.2fr);
  }
}

/* Marketing bits */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  background: var(--sky-100);
  color: var(--sky-900);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border: 1px solid #7dd3fc;
}

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: #10b981;
}

.hero-title {
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 2.25rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
}

.muted {
  color: var(--slate-600);
}

.small {
  font-size: 0.75rem;
}

.code-inline {
  border-radius: 0.25rem;
  background: var(--slate-900);
  color: #f8fafc;
  padding: 0.125rem 0.35rem;
  font-size: 0.8125rem;
}

/* Alerts */
.alert {
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
}

.alert-amber {
  border: 1px dashed #fcd34d;
  background: #fffbeb;
  color: #78350f;
}

.alert-red {
  border: 1px dashed #fca5a5;
  background: #fef2f2;
  color: #991b1b;
}

.alert-red-dark {
  border: 1px solid #b91c1c;
  background: rgba(127, 29, 29, 0.4);
  color: #fecaca;
}

/* Captions stream */
.captions-panel {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  border: 1px solid var(--slate-200);
  border-radius: 0.5rem;
  background: #fff;
}

.captions-panel-head {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--slate-200);
}

.captions-scroll {
  flex: 1;
  overflow: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--slate-200);
  background: rgba(248, 250, 252, 0.5);
  padding: 1.5rem;
  margin: 0 1rem 1rem;
  font-size: 1.125rem;
  line-height: 1.625;
}

.caption-block {
  border-radius: 0.75rem;
  background: #fff;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgb(15 23 42 / 0.08);
  border: 1px solid var(--slate-200);
  margin-bottom: 1rem;
}

.caption-block p {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.625;
  color: var(--slate-900);
}

.kbd {
  border-radius: 0.25rem;
  border: 1px solid var(--slate-300);
  background: var(--slate-50);
  padding: 0.125rem 0.35rem;
  font-size: 0.625rem;
  font-family: ui-monospace, monospace;
}

/* Docs nav cards */
.docs-grid {
  display: grid;
  gap: 0.75rem;
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .docs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.docs-link-card {
  display: block;
  text-decoration: none;
  border-radius: 0.375rem;
  border: 1px solid var(--slate-200);
  background: #fff;
  padding: 0.75rem;
  color: var(--slate-800);
}

.docs-link-card:hover {
  border-color: rgba(14, 165, 233, 0.6);
  background: var(--slate-50);
}

/* Transcript list */
.session-link {
  display: block;
  text-decoration: none;
  border-radius: 0.375rem;
  border: 1px solid var(--slate-200);
  background: #fff;
  padding: 0.5rem 0.75rem;
  color: inherit;
}

.session-link:hover {
  border-color: rgba(14, 165, 233, 0.7);
  background: var(--slate-50);
}

.session-meta {
  margin-top: 0.25rem;
  font-size: 0.6875rem;
  color: var(--slate-600);
}

.badge {
  border-radius: 999px;
  background: var(--slate-100);
  padding: 0.125rem 0.5rem;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-700);
}

/* Lists */
.list-decimal {
  padding-left: 1.25rem;
}

.list-decimal li + li,
.list-disc li + li {
  margin-top: 0.35rem;
}

.segment-item {
  border-radius: 0.375rem;
  border: 1px solid var(--slate-200);
  background: var(--slate-50);
  padding: 0.35rem 0.5rem;
  margin-bottom: 0.35rem;
}

.segment-time {
  font-size: 0.625rem;
  color: var(--slate-500);
}

.emerald {
  color: #065f46;
  font-size: 0.6875rem;
  margin-top: 0.125rem;
}

.card-emerald {
  border-color: #6ee7b7;
}

.underline {
  text-decoration: underline;
}

p {
  margin: 0;
}

p + p {
  margin-top: 0.75rem;
}