/* BrainSAIT Healthcare SDK Demo Styles */

:root {
  --surface-primary: rgba(255, 255, 255, 0.06);
  --surface-elevated: rgba(255, 255, 255, 0.12);
  --surface-border: rgba(255, 255, 255, 0.16);
  --surface-border-strong: rgba(255, 255, 255, 0.28);
  --surface-glow: rgba(56, 189, 248, 0.35);
  --surface-danger: rgba(248, 113, 113, 0.18);
  --surface-warning: rgba(251, 191, 36, 0.18);
  --surface-success: rgba(134, 239, 172, 0.18);
  --surface-info: rgba(129, 140, 248, 0.22);
  --text-primary: #f9fafb;
  --text-secondary: rgba(249, 250, 251, 0.72);
  --text-muted: rgba(249, 250, 251, 0.52);
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-contrast: #04121f;
  --danger: #f87171;
  --warning: #fbbf24;
  --success: #4ade80;
  --info: #818cf8;
  --chip-radius: 999px;
  --container-max: 1200px;
  --section-spacing: clamp(3rem, 6vw, 6rem);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.22) 0%, transparent 55%),
    radial-gradient(circle at 15% 20%, rgba(129, 140, 248, 0.2) 0%, transparent 52%),
    linear-gradient(135deg, #030712 0%, #0b1120 50%, #020617 100%);
  min-height: 100vh;
  color: var(--text-primary);
  margin: 0;
}

.text-secondary {
  color: var(--text-secondary);
  line-height: 1.65;
}

.text-muted {
  color: var(--text-muted);
  line-height: 1.65;
}

main {
  margin-top: 92px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.75rem;
}

header.site-header {
  position: fixed;
  inset: 0 0 auto;
  background: rgba(3, 7, 18, 0.82);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--surface-border);
  z-index: 1000;
  transition: background var(--transition-base), border-color var(--transition-base);
}

header.site-header.is-condensed {
  background: rgba(3, 7, 18, 0.94);
  border-bottom-color: var(--surface-border-strong);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.brand span {
  font-size: 1.5rem;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--text-primary);
}

button.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-base);
}

button.menu-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

button.menu-toggle:hover {
  background: rgba(56, 189, 248, 0.08);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  padding: var(--section-spacing) 0 calc(var(--section-spacing) * 0.6);
  text-align: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 12% 18% auto 18%;
  height: 420px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.25) 0%, transparent 65%);
  filter: blur(12px);
  z-index: -1;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.section-eyebrow::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 1px;
  background: rgba(255, 255, 255, 0.24);
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  margin-bottom: 1rem;
  letter-spacing: 0.025em;
}

.hero p.lede {
  max-width: 720px;
  margin: 0.75rem auto 2.75rem;
  color: var(--text-secondary);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.7;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 35px rgba(7, 89, 133, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--accent-contrast);
  border-color: transparent;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
}

.live-status {
  margin: 3rem auto 0;
  max-width: 680px;
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.24);
  border-radius: 22px;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.2rem;
  border-radius: var(--chip-radius);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  background: rgba(56, 189, 248, 0.16);
  color: var(--text-primary);
  border: 1px solid rgba(56, 189, 248, 0.32);
}

.status-chip[data-state="healthy"] {
  background: var(--surface-success);
  border-color: rgba(74, 222, 128, 0.35);
}

.status-chip[data-state="warning"] {
  background: var(--surface-warning);
  border-color: rgba(251, 191, 36, 0.35);
}

.status-chip[data-state="critical"] {
  background: var(--surface-danger);
  border-color: rgba(248, 113, 113, 0.35);
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 2.7rem);
  text-align: center;
  margin-bottom: 2.15rem;
  letter-spacing: 0.04em;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
}

.stats-section {
  padding: var(--section-spacing) 0;
}

.stats-grid {
  display: grid;
  gap: 1.35rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stat-card {
  padding: 1.5rem;
  border-radius: 20px;
  background: var(--surface-primary);
  border: 1px solid transparent;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.stat-card:hover {
  border-color: var(--surface-border-strong);
  transform: translateY(-3px);
}

.stat-card .value {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.stat-card .label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.experience-section {
  padding: calc(var(--section-spacing) * 0.8) 0;
}

.experience-grid {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.experience-card {
  background: var(--surface-primary);
  border-radius: 22px;
  border: 1px solid var(--surface-border);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.experience-card:hover {
  border-color: var(--surface-border-strong);
  transform: translateY(-4px);
}

.experience-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--text-secondary);
  display: grid;
  gap: 0.45rem;
}

.experience-card li::before {
  content: "•";
  margin-right: 0.5rem;
  color: var(--accent);
}

.demo-section {
  padding: calc(var(--section-spacing) * 0.9) 0;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.2rem;
}

.tab-button {
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.tab-button.active {
  background: var(--text-primary);
  color: #020617;
  border-color: transparent;
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.is-active {
  display: block;
}

.interactive-panel {
  background: var(--surface-primary);
  border-radius: 24px;
  border: 1px solid var(--surface-border);
  padding: 2rem;
  box-shadow: 0 24px 42px rgba(2, 132, 199, 0.18);
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.panel-header h3 {
  margin: 0;
  font-size: 1.35rem;
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.panel-actions .btn {
  flex: 1 1 180px;
  justify-content: center;
}

.panel-loading {
  display: none;
  margin-top: 1.2rem;
  color: var(--text-muted);
  text-align: center;
  gap: 0.6rem;
  align-items: center;
  justify-content: center;
}

.panel-loading.is-visible {
  display: inline-flex;
}

.spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
}

.output-console {
  margin-top: 1.4rem;
  border-radius: 18px;
  border: 1px solid var(--surface-border);
  background: rgba(4, 7, 14, 0.85);
  padding: 1.15rem;
  font-family: "Fira Code", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.9rem;
  max-height: 340px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.output-console .output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.6rem;
  margin-bottom: 0.6rem;
}

.output-console pre {
  margin: 0;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.control-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--surface-border);
  border-radius: 18px;
  padding: 1.25rem;
  display: grid;
  gap: 0.7rem;
}

.control-card label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.control-card select,
.control-card input[type="number"] {
  width: 100%;
  padding: 0.65rem 0.8rem;
  background: rgba(8, 11, 22, 0.8);
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  font-family: inherit;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  transition: background var(--transition-base);
}

.toggle-slider::before {
  content: "";
  position: absolute;
  inset: 4px auto auto 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-primary);
  transition: transform var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider {
  background: rgba(56, 189, 248, 0.35);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.metrics-banner {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 1rem;
}

.metrics-chip {
  border-radius: var(--chip-radius);
  padding: 0.55rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border);
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

.feature-section {
  padding: calc(var(--section-spacing) * 0.9) 0;
}

.features-grid {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.feature-card {
  background: var(--surface-primary);
  border: 1px solid var(--surface-border);
  border-radius: 22px;
  padding: 2rem 1.8rem;
  display: grid;
  gap: 0.85rem;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.feature-card:hover {
  border-color: var(--surface-border-strong);
  transform: translateY(-4px);
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  border: 1px solid var(--surface-border);
  display: grid;
  place-items: center;
  font-size: 1.6rem;
}

.api-grid {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.api-card {
  background: var(--surface-primary);
  border: 1px solid var(--surface-border);
  border-radius: 24px;
  padding: 2rem;
  display: grid;
  gap: 1rem;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.api-card:hover {
  border-color: var(--surface-border-strong);
  transform: translateY(-4px);
}

.api-card code {
  background: rgba(4, 7, 14, 0.85);
  border-radius: 12px;
  padding: 0.75rem;
  border: 1px solid var(--surface-border);
  display: block;
}

footer.site-footer {
  padding: var(--section-spacing) 1.5rem;
  text-align: center;
  background: rgba(3, 7, 18, 0.8);
  border-top: 1px solid var(--surface-border);
  margin-top: var(--section-spacing);
}

.version-list {
  margin: 1.7rem auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.version-chip {
  padding: 0.55rem 1.1rem;
  border-radius: var(--chip-radius);
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.05);
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: grid;
  gap: 0.65rem;
  z-index: 1200;
}

.toast {
  padding: 0.9rem 1.25rem;
  border-radius: 16px;
  background: rgba(4, 7, 14, 0.88);
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  min-width: 240px;
  box-shadow: 0 20px 40px rgba(4, 7, 14, 0.35);
  animation: toast-in 220ms ease forwards;
}

.toast[data-variant="error"] {
  border-color: rgba(248, 113, 113, 0.35);
  background: rgba(15, 23, 42, 0.92);
}

.toast[data-variant="success"] {
  border-color: rgba(74, 222, 128, 0.35);
  background: rgba(15, 23, 42, 0.92);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  main {
    margin-top: 80px;
  }

  button.menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .primary-nav {
    position: fixed;
    inset: 72px 1.4rem auto;
    flex-direction: column;
    background: rgba(3, 7, 18, 0.96);
    border-radius: 20px;
    border: 1px solid var(--surface-border);
    padding: 1.4rem;
    display: none;
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav a {
    letter-spacing: 0.2em;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1.2rem;
  }

  .hero {
    text-align: left;
  }

  .cta-group {
    justify-content: flex-start;
  }

  .panel-actions {
    flex-direction: column;
  }

  .panel-actions .btn {
    width: 100%;
  }

  .toast-container {
    right: 1rem;
    left: 1rem;
  }
}

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