/* ============================================
   NOIR MYSTERY - Murder Mystery Game Theme
   A dark, atmospheric design for investigation games
   ============================================ */

/* ==========================================
   CSS CUSTOM PROPERTIES
   ========================================== */
:root {
  /* Volcanic Color Palette */
  --obsidian: #0a0908;
  --volcanic-black: #141414;
  --charcoal: #1f1f1f;
  --slate: #2d2d2d;
  --ash: #3d3d3d;

  /* Mystery Blues */
  --mountain-shadow: #1a2634;
  --ocean-deep: #0d2137;
  --coastal-mist: rgba(180, 200, 210, 0.08);

  /* Evidence Accents */
  --blood-red: #8b1e3f;
  --crimson-stamp: #c41e3a;
  --danger-glow: rgba(196, 30, 58, 0.3);

  /* Heritage Copper */
  --copper: #b87333;
  --bronze: #cd853f;
  --copper-glow: rgba(184, 115, 51, 0.4);

  /* Parchment & Text */
  --aged-paper: #f5f0e1;
  --cream: #e8e0d0;
  --faded-ink: #a69f8f;
  --dim-text: #6b6b6b;

  /* Success States */
  --cleared-green: #2d5a3d;
  --innocent-stamp: #3a7d4a;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Crimson Pro', 'Times New Roman', serif;
  --font-ui: 'Source Sans 3', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow-copper: 0 0 20px var(--copper-glow);
  --shadow-glow-danger: 0 0 20px var(--danger-glow);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-dramatic: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   FONTS
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Crimson+Pro:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Source+Sans+3:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ==========================================
   BASE STYLES
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  background: var(--obsidian);
  color: var(--cream);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ==========================================
   ATMOSPHERIC BACKGROUND
   Dark gradient background with mist
   ========================================== */
.game-atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    linear-gradient(
      180deg,
      var(--obsidian) 0%,
      var(--mountain-shadow) 40%,
      var(--ocean-deep) 100%
    );
}

.game-atmosphere::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200%;
  height: 60%;
  background:
    radial-gradient(
      ellipse 50% 100% at 50% 100%,
      var(--charcoal) 0%,
      transparent 70%
    );
  opacity: 0.6;
}

/* Mountain silhouette */
.game-atmosphere::after {
  content: '';
  position: absolute;
  bottom: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 40vw solid transparent;
  border-right: 40vw solid transparent;
  border-bottom: 35vh solid var(--volcanic-black);
  opacity: 0.4;
  filter: blur(1px);
}

/* Mist overlay animation */
.mist-layer {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      transparent 0%,
      var(--coastal-mist) 20%,
      transparent 40%,
      var(--coastal-mist) 60%,
      transparent 80%,
      var(--coastal-mist) 100%
    );
  background-size: 200% 100%;
  animation: mistDrift 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes mistDrift {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 100% 0%; }
}

/* ==========================================
   KOWHAIWHAI PATTERN BORDER
   Respectful geometric interpretation
   ========================================== */
.kowhaiwhai-border {
  position: relative;
}

.kowhaiwhai-border::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background:
    repeating-linear-gradient(
      90deg,
      var(--copper) 0px,
      var(--copper) 8px,
      transparent 8px,
      transparent 12px,
      var(--bronze) 12px,
      var(--bronze) 20px,
      transparent 20px,
      transparent 24px
    );
  opacity: 0.8;
}

/* ==========================================
   TYPOGRAPHY STYLES
   ========================================== */
.heading-display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.heading-lg {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.heading-md {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.heading-sm {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.text-body {
  font-family: var(--font-body);
  font-weight: 400;
}

.text-ui {
  font-family: var(--font-ui);
  font-weight: 400;
}

.text-mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.text-italic {
  font-style: italic;
}

.text-faded {
  color: var(--faded-ink);
}

.text-copper {
  color: var(--copper);
}

.text-danger {
  color: var(--crimson-stamp);
}

/* ==========================================
   BUTTON STYLES
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--copper), var(--bronze));
  color: var(--obsidian);
  box-shadow: var(--shadow-md), var(--shadow-glow-copper);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px var(--copper-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-danger {
  background: linear-gradient(135deg, var(--blood-red), var(--crimson-stamp));
  color: var(--cream);
  box-shadow: var(--shadow-md);
}

.btn-danger:hover {
  box-shadow: var(--shadow-lg), var(--shadow-glow-danger);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--ash);
}

.btn-ghost:hover {
  background: var(--slate);
  border-color: var(--copper);
}

/* ==========================================
   CARD STYLES
   ========================================== */
.card {
  background: linear-gradient(
    145deg,
    var(--charcoal) 0%,
    var(--volcanic-black) 100%
  );
  border: 1px solid var(--ash);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}

.card-glow {
  box-shadow: var(--shadow-lg), var(--shadow-glow-copper);
}

/* ==========================================
   FORM ELEMENTS
   ========================================== */
.input-field {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-ui);
  font-size: 1rem;
  background: var(--volcanic-black);
  border: 2px solid var(--ash);
  border-radius: var(--radius-md);
  color: var(--cream);
  transition: all var(--transition-fast);
}

.input-field:focus {
  outline: none;
  border-color: var(--copper);
  box-shadow: 0 0 0 3px var(--copper-glow);
}

.input-field::placeholder {
  color: var(--dim-text);
  font-style: italic;
}

.input-field-lg {
  padding: var(--space-lg) var(--space-xl);
  font-size: 1.25rem;
  text-align: center;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes stampIn {
  0% {
    opacity: 0;
    transform: scale(2) rotate(-15deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.1) rotate(-12deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(-12deg);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes timerPulse {
  0%, 100% {
    transform: scale(1);
    color: var(--cream);
  }
  50% {
    transform: scale(1.02);
    color: var(--copper);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease-out forwards;
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-slow) ease-out forwards;
}

.animate-slide-left {
  animation: slideInLeft var(--transition-slow) ease-out forwards;
}

.animate-slide-right {
  animation: slideInRight var(--transition-slow) ease-out forwards;
}

/* Stagger delays for lists */
.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }
.stagger-6 { animation-delay: 300ms; }
.stagger-7 { animation-delay: 350ms; }
.stagger-8 { animation-delay: 400ms; }
.stagger-9 { animation-delay: 450ms; }
.stagger-10 { animation-delay: 500ms; }
.stagger-11 { animation-delay: 550ms; }
.stagger-12 { animation-delay: 600ms; }

/* ==========================================
   SCROLLBAR STYLING
   ========================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--volcanic-black);
}

::-webkit-scrollbar-thumb {
  background: var(--ash);
  border-radius: 4px;
}

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

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.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;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.text-center { text-align: center; }
.w-full { width: 100%; }
.h-full { height: 100%; }

.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }