/*
 * ═══════════════════════════════════════════════════════
 *  DARK UNIVERSE STUDIOS — Shared Brand Stylesheet
 *  Reference this file from every HTML page:
 *    <link rel="stylesheet" href="dark-universe.css">
 *
 *  Also paste the <head> snippet below into every HTML
 *  file to wire up favicons and OG metadata.
 * ═══════════════════════════════════════════════════════
 *
 *  HEAD SNIPPET — copy into every page's <head>:
 * ───────────────────────────────────────────────────────
 *
 *  <!-- Dark Universe: Favicons -->
 *  <link rel="icon" type="image/x-icon"       href="favicon.ico">
 *  <link rel="icon" type="image/png" sizes="32x32" href="favicon-32.png">
 *  <link rel="icon" type="image/png" sizes="16x16" href="favicon-16.png">
 *  <link rel="apple-touch-icon" sizes="180x180"    href="apple-touch-icon.png">
 *
 *  <!-- Dark Universe: OG / Social -->
 *  <meta property="og:site_name"    content="Dark Universe Studios">
 *  <meta property="og:type"         content="website">
 *  <meta property="og:image"        content="og-image.png">
 *  <meta property="og:image:width"  content="1200">
 *  <meta property="og:image:height" content="630">
 *  <meta property="og:image:alt"    content="The Dark Universe — Interactive Horror Games">
 *  <meta name="twitter:card"        content="summary_large_image">
 *  <meta name="twitter:image"       content="og-image.png">
 *  <meta name="theme-color"         content="#8b0000">
 *
 * ═══════════════════════════════════════════════════════
 */

/* ── DESIGN TOKENS ─────────────────────────────────── */
:root {
  /* Core palette */
  --du-blood:        #8b0000;
  --du-deep-blood:   #4a0000;
  --du-rust:         #c0392b;
  --du-bg:           #080404;
  --du-surface:      #0a0505;
  --du-card:         #0e0707;
  --du-border:       #2a1510;
  --du-border-faint: #1a0a0a;
  --du-parchment:    #d4c9b0;
  --du-pale:         #a89880;
  --du-ghost:        #e8e0d0;
  --du-yellow:       #f0c040;
  --du-green:        #2ecc71;
  --du-muted:        #4a3530;
  --du-flash:        #ff4444;

  /* Typography */
  --du-font-display: 'Special Elite', 'Georgia', serif;
  --du-font-body:    'Crimson Pro', 'Georgia', serif;
  --du-font-mono:    'Share Tech Mono', 'Courier New', monospace;
  --du-font-title:   'Bebas Neue', 'Special Elite', serif;

  /* Spacing scale */
  --du-space-xs:  4px;
  --du-space-sm:  8px;
  --du-space-md:  16px;
  --du-space-lg:  24px;
  --du-space-xl:  40px;
  --du-space-2xl: 64px;

  /* Border radius */
  --du-radius:    4px;
  --du-radius-sm: 2px;
  --du-radius-lg: 8px;

  /* Shadows */
  --du-shadow-blood:  0 8px 32px rgba(139, 0, 0, 0.3);
  --du-shadow-deep:   0 4px 20px rgba(0, 0, 0, 0.7);
  --du-shadow-card:   0 2px 12px rgba(0, 0, 0, 0.5);
  --du-glow-blood:    0 0 20px rgba(139, 0, 0, 0.4);
  --du-glow-rust:     0 0 30px rgba(192, 57, 43, 0.5);

  /* Transitions */
  --du-transition: all 0.25s ease;
  --du-transition-slow: all 0.5s ease;
}

/* ── GOOGLE FONTS IMPORT ────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Special+Elite&family=Crimson+Pro:ital,wght@0,300;0,400;0,600;0,700;1,300;1,400&family=Share+Tech+Mono&display=swap');

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--du-bg);
  color: var(--du-parchment);
  font-family: var(--du-font-body);
  min-height: 100vh;
}

/* ── ATMOSPHERIC BACKGROUND ─────────────────────────── */
.du-atmosphere {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 15% 20%, rgba(100,0,0,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 85% 75%, rgba(60,0,0,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(30,0,0,0.2) 0%, transparent 60%);
}

/* Scanlines overlay */
.du-scanlines {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.025) 3px
  );
}

/* Vignette */
.du-vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.85) 100%);
  animation: du-flicker 8s ease-in-out infinite;
}

@keyframes du-flicker {
  0%,100% { opacity: 1   }
  92%     { opacity: 1   }
  93%     { opacity: 0.85}
  94%     { opacity: 1   }
  97%     { opacity: 0.9 }
  98%     { opacity: 1   }
}

/* ── BLOOD DRIP BAR ─────────────────────────────────── */
.du-drip-bar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 60px; pointer-events: none; z-index: 2;
}

.du-drip {
  position: absolute; top: 0;
  background: var(--du-blood);
  border-radius: 0 0 3px 3px;
  animation: du-drip ease-in infinite;
}

@keyframes du-drip {
  0%   { height: 0;    opacity: 0 }
  20%  { opacity: 1 }
  80%  { opacity: 1 }
  100% { height: 60px; opacity: 0 }
}

/* ── BORDERS & DIVIDERS ─────────────────────────────── */
.du-border-top {
  border-top: 3px solid var(--du-blood);
}

.du-border-left {
  border-left: 3px solid var(--du-blood);
}

.du-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--du-blood), transparent);
  border: none; margin: var(--du-space-lg) 0;
}

.du-divider-faint {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--du-border), transparent);
  border: none; margin: var(--du-space-md) 0;
}

/* ── TYPOGRAPHY ─────────────────────────────────────── */
.du-eyebrow {
  font-family: var(--du-font-mono);
  font-size: 10px;
  letter-spacing: 6px;
  color: var(--du-rust);
  text-transform: uppercase;
}

.du-title {
  font-family: var(--du-font-title);
  letter-spacing: 4px;
  color: var(--du-parchment);
  line-height: 1;
}

.du-title-blood {
  font-family: var(--du-font-title);
  letter-spacing: 4px;
  color: var(--du-rust);
  line-height: 1;
}

.du-display {
  font-family: var(--du-font-display);
  color: var(--du-rust);
  letter-spacing: 3px;
}

.du-body {
  font-family: var(--du-font-body);
  color: var(--du-parchment);
  line-height: 1.75;
}

.du-mono {
  font-family: var(--du-font-mono);
  color: var(--du-pale);
}

.du-whisper {
  font-family: var(--du-font-body);
  font-style: italic;
  color: #7a6a8a;
  font-size: 0.9em;
}

.du-horror {
  color: #ff6060;
  font-style: italic;
  text-shadow: 0 0 10px rgba(255,50,50,0.3);
}

/* ── STAT BARS ──────────────────────────────────────── */
.du-stat-bar {
  height: 6px;
  background: var(--du-border-faint);
  border: 1px solid #3a1a1a;
  border-radius: var(--du-radius-sm);
  overflow: hidden;
}

.du-stat-fill {
  height: 100%;
  border-radius: var(--du-radius-sm);
  transition: width 0.5s ease;
}

.du-stat-hp     { background: linear-gradient(90deg, var(--du-deep-blood), var(--du-rust)); }
.du-stat-sanity { background: linear-gradient(90deg, #1a3a6a, #4a8aff); }
.du-stat-courage{ background: linear-gradient(90deg, #3a2a00, var(--du-yellow)); }

.du-stat-bar.du-pulse-low {
  animation: du-pulse-red 0.8s ease-in-out infinite;
}

@keyframes du-pulse-red {
  0%,100% { box-shadow: none }
  50%     { box-shadow: 0 0 8px rgba(255,50,50,0.7) }
}

/* ── BADGES ─────────────────────────────────────────── */
.du-badge {
  display: inline-block;
  font-family: var(--du-font-mono);
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--du-radius-sm);
}

.du-badge-live  {
  background: rgba(46,204,113,0.15);
  color: var(--du-green);
  border: 1px solid rgba(46,204,113,0.3);
}

.du-badge-new   {
  background: rgba(240,192,64,0.15);
  color: var(--du-yellow);
  border: 1px solid rgba(240,192,64,0.3);
}

.du-badge-soon  {
  background: rgba(42,21,16,0.8);
  color: var(--du-muted);
  border: 1px solid var(--du-border);
}

.du-badge-chapter {
  background: rgba(139,0,0,0.15);
  color: var(--du-rust);
  border: 1px solid rgba(139,0,0,0.3);
}

/* ── CARDS ──────────────────────────────────────────── */
.du-card {
  background: var(--du-card);
  border: 1px solid var(--du-border);
  border-radius: var(--du-radius);
  transition: var(--du-transition);
}

.du-card:hover {
  border-color: rgba(192,57,43,0.5);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(192,57,43,0.2);
  transform: translateY(-4px);
}

.du-card-surface {
  background: var(--du-surface);
  border: 1px solid var(--du-border);
  border-radius: var(--du-radius);
}

/* ── BUTTONS ─────────────────────────────────────────── */
.du-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--du-space-sm);
  background: transparent;
  border: 2px solid var(--du-rust);
  color: var(--du-rust);
  padding: 12px 28px;
  font-family: var(--du-font-display);
  font-size: 1rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--du-transition);
  border-radius: var(--du-radius-sm);
  position: relative;
  overflow: hidden;
}

.du-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--du-rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.du-btn:hover { color: #fff; }
.du-btn:hover::before { transform: scaleX(1); }
.du-btn span { position: relative; z-index: 1; }

.du-btn-solid {
  background: var(--du-rust);
  color: #fff;
  border-color: var(--du-rust);
}
.du-btn-solid:hover { background: #a93226; border-color: #a93226; }
.du-btn-solid::before { display: none; }

.du-btn-ghost {
  border-color: var(--du-border);
  color: var(--du-pale);
}
.du-btn-ghost:hover { border-color: var(--du-pale); color: var(--du-parchment); }

/* ── PANELS ──────────────────────────────────────────── */
.du-panel {
  background: rgba(8,5,3,0.92);
  border: 1px solid var(--du-border);
  padding: var(--du-space-md);
}

.du-panel-title {
  font-family: var(--du-font-display);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--du-rust);
  text-transform: uppercase;
  margin-bottom: var(--du-space-sm);
  padding-bottom: var(--du-space-xs);
  border-bottom: 1px solid var(--du-border-faint);
}

/* ── LOCATION BADGE ─────────────────────────────────── */
.du-location-badge {
  display: inline-block;
  font-family: var(--du-font-display);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--du-yellow);
  border: 1px solid #3a3010;
  padding: 4px 12px;
  background: rgba(40,30,0,0.5);
}

/* ── MAP GRID ────────────────────────────────────────── */
.du-map-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.du-map-cell {
  aspect-ratio: 1;
  border: 1px solid #2a1010;
  background: #0a0505;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; cursor: pointer;
  transition: var(--du-transition);
  border-radius: var(--du-radius-sm);
  position: relative;
}

.du-map-cell.current  {
  border-color: var(--du-yellow);
  background: rgba(40,30,0,0.5);
  box-shadow: 0 0 10px rgba(200,160,0,0.3);
}
.du-map-cell.visited  { border-color: #3a2010; background: #0f0808; }
.du-map-cell.locked   { opacity: 0.3; cursor: not-allowed; }
.du-map-cell:hover:not(.locked) { border-color: var(--du-rust); transform: scale(1.05); }

.du-map-label {
  position: absolute; bottom: 2px;
  font-size: 7px; letter-spacing: 1px;
  color: var(--du-pale); text-align: center; width: 100%;
  font-family: var(--du-font-mono);
}

/* ── INVENTORY ───────────────────────────────────────── */
.du-inv-item {
  display: flex; align-items: center; gap: var(--du-space-sm);
  font-size: 13px; color: var(--du-parchment);
  padding: 4px 8px;
  background: rgba(20,10,5,0.8);
  border: 1px solid var(--du-border);
  border-radius: var(--du-radius-sm);
}

.du-inv-empty {
  color: var(--du-pale);
  font-size: 12px;
  font-style: italic;
}

/* ── STORY BLOCKS ────────────────────────────────────── */
.du-story-block {
  margin-bottom: 18px;
  animation: du-fade-in 0.6s ease;
  line-height: 1.75;
  font-size: 15px;
  color: var(--du-parchment);
}

.du-story-block.system {
  color: var(--du-rust);
  font-family: var(--du-font-mono);
  font-size: 12px;
  border-left: 2px solid var(--du-rust);
  padding-left: 10px;
  letter-spacing: 1px;
}

.du-story-block.horror {
  color: #ff6060;
  font-style: italic;
  font-size: 16px;
  text-shadow: 0 0 10px rgba(255,50,50,0.3);
}

.du-story-block.action {
  color: var(--du-yellow);
  font-family: var(--du-font-display);
  font-size: 13px;
}

.du-story-block.whisper {
  color: #7a6a8a;
  font-style: italic;
  font-size: 13px;
}

/* ── CHOICE BUTTONS ──────────────────────────────────── */
.du-choice-btn {
  background: transparent;
  border: 1px solid #3a1a10;
  color: var(--du-parchment);
  padding: 8px 16px;
  font-family: var(--du-font-body);
  font-size: 14px;
  cursor: pointer;
  transition: var(--du-transition);
  border-radius: var(--du-radius-sm);
  position: relative; overflow: hidden;
}

.du-choice-btn::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--du-blood);
  transform: scaleY(0);
  transition: transform 0.2s;
}

.du-choice-btn:hover {
  border-color: var(--du-rust);
  color: var(--du-ghost);
  background: rgba(30,10,10,0.8);
}
.du-choice-btn:hover::before { transform: scaleY(1); }
.du-choice-btn.danger  { border-color: var(--du-blood); color: #ff8080; }
.du-choice-btn.danger:hover { background: rgba(60,0,0,0.6); }
.du-choice-btn.safe    { border-color: #1a3a1a; color: #80c080; }
.du-choice-btn.safe:hover   { background: rgba(0,30,0,0.4); }

/* ── FX OVERLAYS ─────────────────────────────────────── */
.du-flash-overlay {
  position: fixed; inset: 0; z-index: 100; pointer-events: none;
  background: rgba(139,0,0,0.4); opacity: 0;
}
.du-flash-overlay.flash {
  animation: du-flash 0.4s ease forwards;
}
@keyframes du-flash {
  0%   { opacity: 0.7 }
  100% { opacity: 0   }
}

.du-fear-overlay {
  position: fixed; inset: 0; z-index: 99; pointer-events: none; opacity: 0;
  background: radial-gradient(ellipse at center, transparent 20%, rgba(100,0,150,0.6) 100%);
}
.du-fear-overlay.active {
  animation: du-fear-pulse 1.5s ease forwards;
}
@keyframes du-fear-pulse {
  0%   { opacity: 0 }
  30%  { opacity: 1 }
  70%  { opacity: 1 }
  100% { opacity: 0 }
}

.du-dmg-popup {
  position: fixed; top: 40%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 150; pointer-events: none;
  font-family: var(--du-font-display);
  font-size: 2.5rem;
  color: #ff3030;
  text-shadow: 0 0 20px #ff0000;
  opacity: 0;
}
.du-dmg-popup.show {
  animation: du-pop-dmg 0.7s ease forwards;
}
@keyframes du-pop-dmg {
  0%   { opacity: 1; transform: translate(-50%,-50%) scale(1.5) }
  100% { opacity: 0; transform: translate(-50%,-120%) scale(0.8) }
}

/* ── GAME OVER / WIN OVERLAY ─────────────────────────── */
.du-overlay {
  position: fixed; inset: 0; z-index: 600;
  background: rgba(0,0,0,0.95);
  display: none; flex-direction: column;
  align-items: center; justify-content: center;
  font-family: var(--du-font-display);
  text-align: center;
}
.du-overlay.active { display: flex; }

.du-overlay-title {
  font-size: 4rem;
  color: var(--du-rust);
  letter-spacing: 8px;
  text-shadow: 0 0 40px rgba(139,0,0,0.8);
  margin-bottom: 16px;
}

.du-overlay-msg {
  font-family: var(--du-font-body);
  color: var(--du-pale);
  font-size: 1.1rem;
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 28px;
}

/* ── SHAKE ANIMATION ─────────────────────────────────── */
@keyframes du-shake {
  0%,100% { transform: none }
  20%     { transform: translate(-3px, 1px) }
  40%     { transform: translate( 3px,-2px) }
  60%     { transform: translate(-2px, 3px) }
  80%     { transform: translate( 2px,-1px) }
}
.du-shake { animation: du-shake 0.4s ease; }

/* ── FADE IN ANIMATIONS ──────────────────────────────── */
@keyframes du-fade-in {
  from { opacity: 0; transform: translateY(8px) }
  to   { opacity: 1; transform: none }
}

@keyframes du-fade-up {
  from { opacity: 0; transform: translateY(20px) }
  to   { opacity: 1; transform: none }
}

.du-fade-up { animation: du-fade-up 0.8s ease both; }

/* Staggered delays for lists */
.du-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.du-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.du-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.du-stagger > *:nth-child(4) { animation-delay: 0.4s; }
.du-stagger > *:nth-child(5) { animation-delay: 0.5s; }
.du-stagger > *:nth-child(6) { animation-delay: 0.6s; }

/* ── CURSOR ──────────────────────────────────────────── */
.du-cursor {
  display: inline-block; width: 2px; height: 1em;
  background: var(--du-rust);
  margin-left: 2px;
  animation: du-blink 0.7s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes du-blink {
  0%,100% { opacity: 1 }
  50%     { opacity: 0 }
}

/* ── SCROLLBAR ───────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--du-bg); }
::-webkit-scrollbar-thumb { background: var(--du-deep-blood); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--du-blood); }

/* ── PROGRESS BARS ───────────────────────────────────── */
.du-progress-track {
  height: 3px;
  background: #1a0a0a;
  border-radius: 2px;
  overflow: hidden;
}
.du-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--du-deep-blood), var(--du-rust));
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* ── SECTION HEADER ──────────────────────────────────── */
.du-section-header {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 28px;
}
.du-section-header h2 {
  font-family: var(--du-font-display);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--du-rust);
  text-transform: uppercase;
  white-space: nowrap;
}
.du-section-header::after {
  content: '';
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--du-border), transparent);
}

/* ── RESPONSIVE HELPERS ──────────────────────────────── */
@media (max-width: 768px) {
  .du-hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .du-hide-desktop { display: none !important; }
}
