/* ==========================================================
   ihavenocards — Shared Stylesheet
   ========================================================== */

/* ── Design Tokens ── */
:root {
  --bg: #121212;
  --surface: #1f1f1f;
  --surface-raised: #282828;
  --accent: #61dafb;
  --accent-hover: #21a1f1;
  --accent-dark: #121212;
  --danger: #d43e3e;
  --danger-hover: #b53030;
  --success: #1b8a49;
  --text: #eee;
  --text-muted: #ccc;
  --text-dim: #888;
  --border: #333;
  --shadow: rgba(0, 0, 0, 0.7);
  --radius: 8px;
  --radius-lg: 12px;
  --nav-height: 56px;
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg: #f2f2f2;
  --surface: #ffffff;
  --surface-raised: #e8e8e8;
  --accent: #0077aa;
  --accent-hover: #005588;
  --accent-dark: #ffffff;
  --text: #111;
  --text-muted: #444;
  --text-dim: #666;
  --border: #ccc;
  --shadow: rgba(0, 0, 0, 0.15);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  user-select: none;
  transition: background var(--transition), color var(--transition);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--accent-hover); }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ── Navbar ── */
body > nav {
  background: var(--surface);
  padding: 0 1.5rem;
  height: var(--nav-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 6px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 500;
  transition: background var(--transition);
}

.logo {
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--accent);
  flex-shrink: 0;
}
.logo:hover { color: var(--accent-hover); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  font-weight: 600;
  font-size: 1rem;
  align-items: center;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 5px 8px;
  line-height: 1;
  transition: border-color var(--transition), color var(--transition);
  margin-left: 0.5rem;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.nav-menu-wrapper { position: relative; }

.nav-toggle {
  display: none;
  font-size: 1.6rem;
  background: none;
  color: var(--accent);
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  line-height: 1;
}

@media (max-width: 600px) {
  body > nav { padding: 0 1rem; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    flex-direction: column;
    background: var(--surface);
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 180px;
    padding: 0.75rem 1rem;
    box-shadow: 0 4px 12px var(--shadow);
    border-radius: var(--radius);
    z-index: 1000;
    border: 1px solid var(--border);
    gap: 0;
  }
  .nav-links a {
    padding: 0.5rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
    display: block;
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links.show { display: flex; }
  .theme-toggle { display: none; }
}

/* ── Breadcrumbs ── */
.breadcrumb {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text-muted); }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.1s;
  text-decoration: none;
  user-select: none;
  line-height: 1.3;
}
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-primary {
  background: var(--accent);
  color: var(--accent-dark);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--accent-dark);
}
.btn-outline {
  background: var(--surface-raised);
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--accent-dark); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger {
  background: var(--surface-raised);
  color: var(--danger);
  border-color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-success {
  background: var(--surface-raised);
  color: var(--success);
  border-color: var(--success);
}
.btn-success:hover { background: var(--success); color: #fff; }

.btn-lg { padding: 0.85rem 2rem; font-size: 1.1rem; }
.btn-sm { padding: 0.35rem 0.8rem; font-size: 0.85rem; font-weight: 600; }

.btn:disabled,
.btn[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Back link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: color var(--transition);
}
.back-link:hover { color: var(--accent); }

/* ── Overlays / Modals ── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  padding: 1rem;
}
.overlay.hidden { display: none !important; }

.overlay-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  text-align: center;
  border: 1px solid var(--border);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}
.overlay-content h2, .overlay-content h3 {
  margin-top: 0;
  color: var(--accent);
}
.overlay-content p { color: var(--text-muted); }
.overlay-content .btn { margin: 0.3rem; }

/* Rules overlay */
.rules-content { text-align: left; }
.rules-content h2 { text-align: center; }
.rules-subtitle {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 400;
  margin-top: 0;
  margin-bottom: 1.2rem;
}
.rules-section { margin-bottom: 1.2rem; }
.rules-section h3 {
  color: var(--accent);
  font-size: 0.95rem;
  margin: 0 0 0.3rem;
}
.rules-section ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}
.rules-section p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0;
  line-height: 1.5;
}
.rules-content > .btn {
  display: block;
  margin: 1.5rem auto 0;
}

/* Confirm box */
.confirm-box {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 320px;
  width: 100%;
  border: 1px solid var(--border);
}
.confirm-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.2rem;
}

/* ── Game Grid (home + games page) ── */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.game-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color var(--transition), transform 0.15s, box-shadow var(--transition);
  cursor: pointer;
}
.game-card:hover, .game-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 18px rgba(97, 218, 251, 0.12);
  color: var(--text);
  outline: none;
}
.game-card-emoji { font-size: 1.8rem; line-height: 1; margin-bottom: 0.2rem; }
.game-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}
.game-card-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.4; }
.game-card-meta {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.3rem;
}

/* ── Badges ── */
.badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 700;
  background: var(--surface-raised);
  color: var(--text-dim);
  border: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-new { background: rgba(27,138,73,0.2); color: #4caf7d; border-color: #1b8a49; }
.badge-popular { background: rgba(97,218,251,0.1); color: var(--accent); border-color: var(--accent); }
.game-card.coming-soon { opacity: 0.45; cursor: default; pointer-events: none; }

/* ── Category Filter Pills ── */
.category-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.filter-btn {
  padding: 0.35rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-dark);
}
.filter-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Playing Card Component ── */
.playing-card {
  display: inline-flex;
  flex-direction: column;
  width: 80px;
  height: 112px;
  background: #fff;
  border-radius: 7px;
  padding: 5px 7px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.45);
  font-family: Georgia, 'Times New Roman', serif;
  position: relative;
  user-select: none;
  border: 1px solid #ddd;
  flex-shrink: 0;
  transition: transform 0.15s;
}
.playing-card.red { color: #c0392b; }
.playing-card.black { color: #1a1a1a; }

.card-corner-top { display: flex; flex-direction: column; align-items: flex-start; line-height: 1; }
.card-corner-bottom { display: flex; flex-direction: column; align-items: flex-end; transform: rotate(180deg); line-height: 1; margin-top: auto; }
.c-rank { font-size: 1rem; font-weight: bold; }
.c-suit { font-size: 0.85rem; }
.card-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  pointer-events: none;
}

.playing-card-lg {
  width: 110px;
  height: 154px;
  padding: 7px 9px;
}
.playing-card-lg .c-rank { font-size: 1.3rem; }
.playing-card-lg .c-suit { font-size: 1.1rem; }
.playing-card-lg .card-center { font-size: 3rem; }

.playing-card-xl {
  width: 140px;
  height: 196px;
  padding: 9px 11px;
  border-radius: 10px;
}
.playing-card-xl .c-rank { font-size: 1.6rem; }
.playing-card-xl .c-suit { font-size: 1.3rem; }
.playing-card-xl .card-center { font-size: 4rem; }

.playing-card.face-down {
  background: repeating-linear-gradient(
    45deg,
    #1a3a8a,
    #1a3a8a 6px,
    #0d2466 6px,
    #0d2466 12px
  );
  border: 2px solid #c0a020;
}
.playing-card.face-down::after {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1.5px solid rgba(192,160,32,0.5);
  border-radius: 4px;
}

/* ── How to Play button (shared) ── */
.how-to-play-btn {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 20px;
  padding: 0.3rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.how-to-play-btn:hover {
  background: var(--accent);
  color: var(--accent-dark);
}
.how-to-play-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Game page header (h1 + how-to-play inline) ── */
.game-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.game-header h1 {
  font-size: 2.4rem;
  color: var(--accent);
  margin: 0;
}

/* ── Toggle Switch ── */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  cursor: pointer;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.slider {
  position: relative;
  width: 46px;
  height: 24px;
  background-color: var(--danger);
  border-radius: 12px;
  transition: background-color 0.3s;
  flex-shrink: 0;
}
.slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 2px;
  top: 2px;
  background-color: #eee;
  border-radius: 50%;
  transition: transform 0.3s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.switch input:checked + .slider { background-color: var(--success); }
.switch input:checked + .slider::before { transform: translateX(22px); }
.label-text { color: var(--text-muted); font-size: 0.88rem; }
.switch input:not(:checked) ~ .label-text::before { content: 'Audio OFF'; }
.switch input:checked ~ .label-text::before { content: 'Audio ON'; }

/* ── "You might also like" section ── */
.also-like {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.also-like h3 {
  color: var(--text-muted);
  font-size: 1rem;
  margin: 0 0 1rem;
  font-weight: 600;
}
.also-like .game-grid {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

/* ── Share toast ── */
.share-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--surface-raised);
  color: var(--text);
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  z-index: 9999;
  transition: transform 0.3s ease;
  white-space: nowrap;
}
.share-toast.show { transform: translateX(-50%) translateY(0); }

/* ── Utilities ── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-muted-c { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* Animations */
@keyframes layDownCard {
  from { opacity: 0; transform: translateY(-18px) scale(0.92); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}