@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Public+Sans:wght@300;400;500;600;700&family=Sora:wght@600;700;800&display=swap');

/* --- CLINICAL CONSOLE DESIGN TOKENS --- */
:root {
  --color-ink: #0A1F1F;
  --color-scrub: #0B3B3C;
  --color-scrub-light: #155556;
  --color-scrub-hover: #0E4748;
  --color-paper: #F7F9F8;
  --color-white: #FFFFFF;
  --color-ecg: #00A870;
  --color-amber: #F5A524;
  --color-coral: #FF6B5B;
  --color-hairline: rgba(10, 31, 31, 0.12);
  --color-hairline-dark: rgba(247, 249, 248, 0.12);
  
  --font-display: 'Sora', system-ui, -apple-system, sans-serif;
  --font-body: 'Public Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  
  --radius-normal: 10px;
  --radius-pill: 50px;
  --container-max: 1280px;
  
  /* Smooth UI transition speeds */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- ACCESSIBILITY & PREFERS-REDUCED-MOTION --- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .ecg-line path, .audio-wave-bar {
    animation: none !important;
  }
}

/* --- RESET & BASICS --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-paper);
  color: var(--color-ink);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* Focus styles for keyboard navigation */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-ecg);
  outline-offset: 4px;
}

/* --- UTILITY CLASSES --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-ink) 40%, var(--color-scrub) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-teal {
  background: linear-gradient(135deg, #26A69A 0%, var(--color-ecg) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-console-dark {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

/* --- CONSOLE COMPONENTS --- */
.console-card {
  background: var(--color-white);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-normal);
  padding: 1.5rem;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.console-card.dark {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--color-hairline-dark);
}

.console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-hairline);
  padding-bottom: 0.75rem;
}

.console-card.dark .console-header {
  border-bottom-color: var(--color-hairline-dark);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-ecg);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--color-ecg);
}

.status-dot.pulse {
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 12px var(--color-ecg); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.status-dot.alert {
  background-color: var(--color-coral);
  box-shadow: 0 0 8px var(--color-coral);
}

.status-dot.warning {
  background-color: var(--color-amber);
  box-shadow: 0 0 8px var(--color-amber);
}

/* --- ECG SECTION DIVIDER --- */
.ecg-divider {
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  background: transparent;
  pointer-events: none;
}

.ecg-line {
  width: 100%;
  height: 100%;
  stroke: var(--color-hairline);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: draw-ecg 12s linear infinite;
}

.bg-console-dark .ecg-line {
  stroke: var(--color-hairline-dark);
}

@keyframes draw-ecg {
  to {
    stroke-dashoffset: 0;
  }
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-normal);
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: 0.5rem;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-scrub);
  color: var(--color-paper);
}

.btn-primary:hover {
  background-color: var(--color-scrub-hover);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-hairline);
  color: var(--color-ink);
}

.btn-secondary:hover {
  background-color: rgba(10, 31, 31, 0.04);
  border-color: var(--color-ink);
}

.bg-console-dark .btn-secondary {
  border-color: var(--color-hairline-light);
  color: var(--color-paper);
}

.bg-console-dark .btn-secondary:hover {
  background-color: rgba(247, 249, 248, 0.05);
  border-color: var(--color-paper);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  border-radius: 6px;
}

/* --- NAVIGATION HEADER --- */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(247, 249, 248, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-hairline);
  transition: background-color var(--transition-fast);
}

.main-header.dark {
  background-color: rgba(10, 31, 31, 0.9);
  border-bottom: 1px solid var(--color-hairline-dark);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-family: var(--font-mono);
  font-weight: 700;
  background-color: var(--color-scrub);
  color: var(--color-paper);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.main-header.dark .logo-text {
  color: var(--color-paper);
}

.logo-text span {
  color: var(--color-ecg);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  color: rgba(10, 31, 31, 0.7);
  padding: 0.5rem 0.25rem;
  position: relative;
}

.main-header.dark .nav-link {
  color: rgba(247, 249, 248, 0.7);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-ink);
}

.main-header.dark .nav-link:hover, .main-header.dark .nav-link.active {
  color: var(--color-paper);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-scrub);
  transition: width var(--transition-fast);
}

.main-header.dark .nav-link::after {
  background-color: var(--color-ecg);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-btn {
  margin-left: 1rem;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-ink);
  margin: 6px auto;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.main-header.dark .menu-toggle span {
  background-color: var(--color-paper);
}

/* --- FOOTER COMPONENT --- */
.main-footer {
  background-color: var(--color-ink);
  color: var(--color-paper);
  border-top: 1px solid var(--color-hairline-dark);
  padding-top: 5rem;
  padding-bottom: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-brand .logo-text {
  color: var(--color-paper);
}

.footer-tagline {
  font-size: 0.95rem;
  color: rgba(247, 249, 248, 0.7);
  max-width: 320px;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-links-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(247, 249, 248, 0.4);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: rgba(247, 249, 248, 0.7);
}

.footer-link:hover {
  color: var(--color-paper);
}

.footer-compliance-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge-micro {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-hairline-dark);
  border-radius: 4px;
  color: rgba(247, 249, 248, 0.8);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-micro::before {
  content: '';
  width: 4px;
  height: 4px;
  background-color: var(--color-ecg);
  border-radius: 50%;
}

.footer-bottom {
  border-top: 1px solid var(--color-hairline-dark);
  padding-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-legal-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  font-size: 0.8rem;
  color: rgba(247, 249, 248, 0.5);
  line-height: 1.5;
}

.footer-corporate-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-right: 1px solid var(--color-hairline-dark);
  padding-right: 2rem;
}

.footer-disclaimer {
  padding-left: 0;
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(247, 249, 248, 0.3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

/* --- FOOTNOTE ELEMENT --- */
.footnote-styled {
  font-size: 0.75rem;
  color: rgba(10, 31, 31, 0.5);
  margin-top: 0.5rem;
  display: block;
}

.bg-console-dark .footnote-styled {
  color: rgba(247, 249, 248, 0.4);
}

/* --- AUDIO WAVEFORM COMPONENT --- */
.waveform-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 40px;
}

.audio-wave-bar {
  width: 3px;
  height: 8px;
  background-color: var(--color-ecg);
  border-radius: 2px;
  animation: bounce-wave 1.2s ease-in-out infinite alternate;
}

@keyframes bounce-wave {
  0% { height: 8px; }
  100% { height: 35px; }
}

.audio-wave-bar:nth-child(2) { animation-delay: 0.1s; }
.audio-wave-bar:nth-child(3) { animation-delay: 0.25s; }
.audio-wave-bar:nth-child(4) { animation-delay: 0.05s; }
.audio-wave-bar:nth-child(5) { animation-delay: 0.4s; }
.audio-wave-bar:nth-child(6) { animation-delay: 0.15s; }
.audio-wave-bar:nth-child(7) { animation-delay: 0.3s; }
.audio-wave-bar:nth-child(8) { animation-delay: 0.2s; }
.audio-wave-bar:nth-child(9) { animation-delay: 0.35s; }
.audio-wave-bar:nth-child(10) { animation-delay: 0.08s; }

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .footer-legal-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .footer-corporate-info {
    border-right: none;
    padding-right: 0;
  }
}

@media (max-width: 768px) {
  .header-container {
    height: 70px;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-paper);
    border-bottom: 1px solid var(--color-hairline);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    align-items: flex-start;
    display: none;
    box-shadow: 0 10px 30px rgba(10,31,31,0.08);
  }
  
  .main-header.dark .nav-menu {
    background-color: var(--color-ink);
    border-bottom-color: var(--color-hairline-dark);
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .nav-btn {
    margin-left: 0;
    width: 100%;
  }
  
  .nav-btn .btn {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}