/* DC Pirate Radio */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a24;
  --bg-card: rgba(18, 18, 26, 0.7);

  --accent-primary: #f0c674;
  --accent-secondary: #81a2be;
  --accent-tertiary: #b294bb;
  --accent-success: #8abeb7;
  --accent-glow: rgba(240, 198, 116, 0.15);

  --text-primary: #e0e0e6;
  --text-secondary: #8e8e9a;
  --text-muted: #5a5a66;

  --glass-bg: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-hover: rgba(255, 255, 255, 0.04);

  --canvas-height: 200px;
  --audio-canvas-height: 200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(240, 198, 116, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(129, 162, 190, 0.05), transparent),
    radial-gradient(ellipse 60% 40% at 0% 80%, rgba(178, 148, 187, 0.05), transparent);
  pointer-events: none;
  z-index: -1;
}

/* Grid Pattern Overlay */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 2rem;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

header h1 {
  font-family: 'Pirata One', cursive;
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-shadow: 0 0 30px var(--accent-glow);
  transition: var(--transition-base);
}

header h1:hover {
  text-shadow: 0 0 40px rgba(240, 198, 116, 0.3);
}

.discord-link {
  position: absolute;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  transition: var(--transition-base);
}

.discord-link:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: var(--accent-glow);
  box-shadow: 0 0 20px var(--accent-glow);
}

.discord-icon {
  width: 20px;
  height: 20px;
  opacity: 0.7;
  transition: var(--transition-base);
}

.discord-link:hover .discord-icon {
  opacity: 1;
  filter: brightness(1.2);
}

/* Main Content */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Card Base Style */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.card:hover {
  background: var(--glass-hover);
  border-color: rgba(255, 255, 255, 0.08);
}

/* Message Panel */
#message {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

#message::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-primary) 20%,
    var(--accent-secondary) 50%,
    var(--accent-tertiary) 80%,
    transparent
  );
  opacity: 0.6;
}

#message::after {
  content: '';
  position: absolute;
  top: 0;
  left: 1.5rem;
  width: 8px;
  height: 8px;
  background: var(--accent-success);
  border-radius: 50%;
  margin-top: 1.5rem;
  box-shadow: 0 0 10px var(--accent-success);
  animation: pulse 2s ease-in-out infinite;
}

#message h2 {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  margin: 0 0 0.5rem 1.25rem;
}

#message p {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-primary);
  margin: 0 0 0 1.25rem;
  line-height: 1.5;
}

#message .motd-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.5rem 1.25rem;
}

#message .motd-dtg {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-secondary);
  letter-spacing: 0.5px;
}

#message .motd-username {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-tertiary);
  letter-spacing: 0.5px;
}

#message .motd-username:empty {
  display: none;
}

#message .motd-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0 0 1.25rem;
}

#message .motd-nav button {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

#message .motd-nav button:hover:not(:disabled) {
  background: var(--glass-hover);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

#message .motd-nav button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

#message .motd-nav #motd-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Leaderboard */
#leaderboard {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
}

#leaderboard::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-tertiary) 50%, transparent);
  opacity: 0.6;
}

#leaderboard::after {
  content: '';
  position: absolute;
  top: 0;
  left: 1.5rem;
  width: 8px;
  height: 8px;
  background: var(--accent-tertiary);
  border-radius: 50%;
  margin-top: 1.5rem;
  box-shadow: 0 0 10px var(--accent-tertiary);
  animation: pulse 2s ease-in-out infinite;
}

#leaderboard h2 {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  margin: 0 0 1rem 1.25rem;
}

#leaderboard-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#leaderboard-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

#leaderboard-list .time {
  color: var(--text-muted);
  font-size: 0.75rem;
}

#leaderboard-list .name {
  color: var(--accent-primary);
}

/* Spectrum Sections */
.spectrum-section,
#spectrum-section,
#iq-spectrum-section {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

#spectrum-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-secondary) 50%, transparent);
  opacity: 0.6;
}

#iq-spectrum-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-tertiary) 50%, transparent);
  opacity: 0.6;
}

.spectrum-section h2,
#spectrum-section h2,
#iq-spectrum-section h2 {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.spectrum-section h2::before,
#spectrum-section h2::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-secondary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-secondary);
}

#iq-spectrum-section h2::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-tertiary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-tertiary);
}

/* Spectrum Header with Mute Button */
.spectrum-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mute-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1rem;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  transition: var(--transition-fast);
  line-height: 1;
}

.mute-btn:hover {
  background: var(--glass-hover);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.mute-btn.muted {
  color: var(--accent-tertiary);
  border-color: var(--accent-tertiary);
}

/* Canvas Styling */
.spectrum-canvas,
canvas {
  width: 100%;
  height: var(--canvas-height);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: block;
  transition: var(--transition-base);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.02),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}

/* Audio spectrum canvas - shorter height */
#spectrum-section .spectrum-canvas,
#spectrum-section canvas,
#spectrum {
  height: var(--audio-canvas-height);
}

/* IQ spectrum canvas */
#iq-spectrum-section .spectrum-canvas,
#iq-spectrum-section canvas,
#iq-spectrum {
  height: var(--canvas-height);
}

/* IQ Status Message */
.iq-status {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem;
  background: rgba(200, 60, 60, 0.2);
  border: 1px solid rgba(200, 60, 60, 0.4);
  border-radius: var(--radius-sm);
  color: #ff6b6b;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  width: 100%;
  text-align: center;
}

.iq-status::before {
  content: '⚠';
  margin-right: 0.75rem;
  font-size: 1.1rem;
}

.spectrum-canvas:hover,
canvas:hover {
  border-color: rgba(255, 255, 255, 0.08);
}

/* Start Overlay */
#start-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  cursor: pointer;
  transition: opacity var(--transition-slow);
}

#start-overlay::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(240, 198, 116, 0.1), transparent 70%);
  transform: translate(-50%, -50%);
  animation: breathe 4s ease-in-out infinite;
}

#start-message {
  text-align: center;
  position: relative;
  z-index: 1;
}

#start-message h1 {
  font-family: 'Pirata One', cursive;
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 400;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
  text-shadow:
    0 0 20px rgba(240, 198, 116, 0.3),
    0 0 60px rgba(240, 198, 116, 0.2);
  animation: titleGlow 3s ease-in-out infinite alternate;
}

#start-message p {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  letter-spacing: 0.5px;
}

#start-message::after {
  content: '';
  display: block;
  width: 50px;
  height: 50px;
  margin: 0 auto;
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  position: relative;
  animation: ripple 2s ease-out infinite;
}

#start-message::before {
  content: '▶';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.2rem;
  color: var(--accent-primary);
  z-index: 10;
}

/* Animations */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

@keyframes breathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

@keyframes titleGlow {
  0% {
    text-shadow:
      0 0 20px rgba(240, 198, 116, 0.3),
      0 0 60px rgba(240, 198, 116, 0.15);
  }
  100% {
    text-shadow:
      0 0 30px rgba(240, 198, 116, 0.5),
      0 0 80px rgba(240, 198, 116, 0.25);
  }
}

@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* Utilities */
.hidden, [hidden] {
  display: none !important;
}

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

/* Responsive Design */
@media (max-width: 900px) {
  :root {
    --canvas-height: 160px;
    --audio-canvas-height: 160px;
  }

  header {
    padding: 1rem 1.5rem;
  }

  header h1 {
    font-size: 1.5rem;
  }

  main {
    padding: 1.5rem 1rem 3rem;
    gap: 1.25rem;
  }
}

@media (max-width: 520px) {
  :root {
    --canvas-height: 120px;
    --audio-canvas-height: 120px;
  }

  header h1 {
    font-size: 1.25rem;
    gap: 0.5rem;
  }

  .discord-link span {
    display: none;
  }

  main {
    padding: 1rem 0.75rem 2rem;
    gap: 1rem;
  }

  .spectrum-section,
  #spectrum-section,
  #iq-spectrum-section,
  #message {
    padding: 1rem;
    border-radius: var(--radius-md);
  }

  #start-message h1 {
    font-size: 2rem;
  }

  #start-message p {
    font-size: 0.9rem;
    padding: 0 1rem;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-secondary: #b0b0ba;
  }
}

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