@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Special+Elite&family=Oswald:wght@300;400;600;700&display=swap');

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

:root {
  --bg-dark: #0a0c10;
  --bg-card: #171a21;
  --bg-card2: #1e222b;
  --brown-deep: #1c2028;
  --brown-light: #3a4150;
  --sand: #e6e8ee;
  --sand-dim: #aab0bd;
  --sand-muted: #6c7382;
  --accent: #d4af37;
  --accent-bright: #f5d76e;
  --accent-dim: #8c7425;
  --accent-glow: rgba(212, 175, 55, 0.25);
  --red: #c44536;
  --text: var(--sand);
  --text-dim: var(--sand-dim);
  --text-muted: var(--sand-muted);
  --border: #2a2f3a;
  --border-accent: #3a4150;
  --shadow-heavy: 0 18px 50px rgba(0, 0, 0, 0.45);
}

html {
  min-height: 100%;
  background: var(--bg-dark);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top, rgba(111, 75, 52, 0.18), transparent 40%),
    linear-gradient(180deg, #140e09 0%, #0b0705 45%, #090604 100%);
  color: var(--text);
  font-family: 'Special Elite', Georgia, serif;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.015), rgba(0, 0, 0, 0.02)),
    radial-gradient(circle at 20% 20%, rgba(210, 154, 99, 0.05), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(111, 75, 52, 0.08), transparent 30%);
  mix-blend-mode: soft-light;
  z-index: 1;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.085;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='5' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='260' height='260' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

button {
  font: inherit;
}

.bingo-app,
nav,
.hero,
.bingo-page {
  position: relative;
  z-index: 3;
}

nav {
  height: 72px;
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 500;
  border-bottom: 1px solid var(--accent-dim);
  background: rgba(10, 7, 5, 0.88);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(8px);
}

.nav-logo {
  width: 190px;
  height: 48px;
  display: block;
  flex: 0 0 auto;
  overflow: hidden;
  color: transparent;
  text-decoration: none;
  text-indent: -9999px;
  background-image: url("images/Frontside.png");
  background-position: left center;
  background-repeat: no-repeat;
  background-size: contain;
  filter: drop-shadow(0 4px 18px rgba(0, 0, 0, 0.55));
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 3px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.25s;
  transform-origin: left;
}

.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent-bright); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.hero {
  width: 100%;
  height: 42vh;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-size: cover;
  background-position: center;
}

.hero-simple .hero-bg {
  background:
    radial-gradient(circle at 50% 0%, rgba(211, 154, 99, 0.14), transparent 30%),
    linear-gradient(180deg, #20150f 0%, #150e0a 50%, #0b0705 100%);
}

.hero-winner-wall .hero-bg {
  background:
    radial-gradient(circle at 50% 18%, rgba(212, 175, 55, 0.18), transparent 26%),
    radial-gradient(circle at 15% 85%, rgba(111, 75, 52, 0.28), transparent 34%),
    linear-gradient(135deg, #21150d 0%, #16100b 45%, #0a0705 100%);
}

.hero-overlay {
  background:
    linear-gradient(to bottom, rgba(12, 8, 5, 0.4) 0%, rgba(12, 8, 5, 0.2) 36%, rgba(12, 8, 5, 0.84) 100%),
    linear-gradient(to right, rgba(0, 0, 0, 0.18), rgba(111, 75, 52, 0.08));
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 2rem;
}

.hero-eyebrow,
.section-label,
.bingo-count,
.saved-status {
  font-family: 'Oswald', Arial, sans-serif;
  text-transform: uppercase;
}

.hero-eyebrow {
  margin-bottom: 0.3rem;
  color: var(--accent-bright);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.5em;
}

.hero-title {
  font-family: 'Bebas Neue', Impact, sans-serif;
  font-size: clamp(4.5rem, 14vw, 10rem);
  letter-spacing: 0.08em;
  line-height: 0.88;
  color: #f4e3c7;
  text-shadow:
    0 0 50px rgba(178, 122, 70, 0.18),
    0 10px 24px rgba(0, 0, 0, 0.82);
}

.hero-sub {
  margin-top: 0.4rem;
  color: var(--text-dim);
  font-family: 'Oswald', Arial, sans-serif;
  font-size: clamp(0.78rem, 2vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.hero-winner-wall-compact {
  height: 28vh;
  min-height: 180px;
}

.hero-title-compact {
  font-size: clamp(2.4rem, 10vw, 5rem);
  line-height: 0.9;
}

.bingo-page {
  width: min(100%, 780px);
  margin: 0 auto;
  padding: 1rem 0.85rem calc(2rem + env(safe-area-inset-bottom));
}

.bingo-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0 0.9rem;
  border-bottom: 1px solid var(--border);
}

.section-label {
  margin-bottom: 0.35rem;
  color: var(--accent-dim);
  font-size: 0.72rem;
  letter-spacing: 0.34em;
}

.bingo-count {
  color: var(--text-dim);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
}

.bingo-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  flex-shrink: 0;
}

.btn {
  min-height: 2.45rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent-dim);
  padding: 0.58rem 0.9rem;
  background: rgba(178, 122, 70, 0.05);
  color: var(--accent-bright);
  cursor: pointer;
  font-family: 'Oswald', Arial, sans-serif;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  touch-action: manipulation;
}

.btn:hover,
.btn:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: #130d09;
  box-shadow: 0 0 16px var(--accent-glow);
}

.btn:active {
  transform: translateY(1px);
}

.btn-secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-dim);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--bg-card2);
  border-color: var(--text-dim);
  color: var(--text);
  box-shadow: none;
}

.bingo-board-wrap {
  margin-top: 0.95rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(26, 19, 14, 0.8), rgba(18, 13, 9, 0.9)),
    radial-gradient(circle at center, rgba(212, 175, 55, 0.12), transparent 58%);
  box-shadow: var(--shadow-heavy);
}

.bingo-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.45rem;
}

.bingo-cell {
  width: 100%;
  aspect-ratio: 1;
  min-height: 0;
  border: 1px solid #2a2018;
  border-radius: 0;
  background:
    linear-gradient(180deg, rgba(28, 22, 17, 0.96), rgba(12, 8, 5, 0.98)),
    var(--bg-card);
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.28rem, 1.9vw, 0.58rem);
  position: relative;
  text-align: center;
  user-select: none;
  transition: border-color 0.18s, background 0.18s, color 0.18s, box-shadow 0.18s, transform 0.18s;
  touch-action: manipulation;
}

.bingo-cell::before {
  content: '';
  position: absolute;
  inset: 0;
  border-top: 2px solid transparent;
  background: linear-gradient(90deg, transparent, var(--accent), transparent) top / 100% 2px no-repeat;
  opacity: 0;
  transition: opacity 0.18s;
}

.bingo-cell:hover,
.bingo-cell:focus-visible {
  border-color: var(--brown-light);
  color: var(--text);
  outline: none;
}

.bingo-cell:focus-visible {
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.bingo-cell.is-marked {
  border-color: var(--accent);
  background:
    linear-gradient(180deg, rgba(212, 175, 55, 0.95), rgba(140, 116, 37, 0.96));
  color: rgba(19, 13, 9, 0.95);
  box-shadow:
    0 0 16px var(--accent-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.bingo-cell.is-marked::before {
  opacity: 1;
}

.bingo-cell.is-marked .bingo-cell-text::after {
  content: '';
  width: min(42%, 42px);
  height: 2px;
  display: block;
  margin: 0.35rem auto 0;
  background: rgba(19, 13, 9, 0.62);
}

.bingo-cell-text {
  position: relative;
  z-index: 1;
  max-width: 100%;
  display: block;
  font-family: 'Oswald', Arial, sans-serif;
  font-size: clamp(0.48rem, 2.85vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.08;
  overflow-wrap: anywhere;
  text-transform: uppercase;
}

.saved-status {
  min-height: 1.5rem;
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-align: center;
}

@media (max-width: 700px) {
  nav {
    height: auto;
    min-height: 72px;
    padding: 0.8rem 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
  }

  .nav-logo {
    width: 160px;
    height: 40px;
    background-position: center;
  }

  .nav-links { gap: 1.1rem; }

  .hero {
    height: 28vh;
    min-height: 240px;
  }

  .hero-winner-wall-compact {
    height: 24vh;
    min-height: 170px;
  }

  .hero-content {
    padding: 0 1rem;
  }

  .hero-eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.34em;
  }

  .hero-title-compact {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

  .hero-sub {
    font-size: 0.72rem;
    letter-spacing: 0.2em;
  }

  .bingo-page {
    padding-left: 0.55rem;
    padding-right: 0.55rem;
  }

  .bingo-toolbar {
    align-items: flex-start;
    gap: 0.75rem;
  }

  .section-label {
    font-size: 0.65rem;
    letter-spacing: 0.25em;
  }

  .bingo-count {
    font-size: 0.68rem;
    letter-spacing: 0.13em;
  }

  .bingo-actions {
    gap: 0.4rem;
  }

  .btn {
    min-height: 2.35rem;
    padding: 0.5rem 0.64rem;
    font-size: 0.66rem;
    letter-spacing: 0.12em;
  }

  .bingo-board-wrap {
    margin-top: 0.7rem;
    padding: 0.42rem;
  }

  .bingo-board {
    gap: 0.32rem;
  }
}

@media (max-width: 360px) {
  .bingo-page {
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }

  .bingo-cell {
    padding: 0.22rem;
  }

  .bingo-cell-text {
    font-size: clamp(0.43rem, 2.2vw, 0.7rem);
    line-height: 1.04;
  }
}