/* ================================================================
   EGGERMATH — Home Page Styles
   Responsive: Phone + Tablet + Desktop
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300..900;1,14..32,300..900&display=swap');

/* Visually hidden but accessible to screen-readers & search engines */
.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;
}


/* ── Color Palette ── */
:root {
  --green:          #e57373;
  --green-dark:     #c62828;
  --green-deeper:   #b71c1c;
  --sidebar-bg:     #111111;
  --sidebar-logo-bg:#ffffff;
  --pill-bg:        #ffffff;
  --red:            #e53935;
  --text-white:     #ffffff;
  --text-dark:      #111111;
  --text-muted:     rgba(255,255,255,0.55);
  --card-radius:    10px;
  --sidebar-w:      186px;
  --transition:     0.2s cubic-bezier(0.4,0,0.2,1);
  --spring:         0.25s cubic-bezier(0.34,1.56,0.64,1);
  --drawer-bg:      #1c1c1c;
  --drawer-border:  rgba(255,255,255,0.1);
  --tag-bg:         rgba(255,255,255,0.08);
  --tag-active-bg:  rgba(229,115,115,0.25);
  --tag-active-clr: #e57373;
  --mobile-header-h: 52px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 14px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--green);
  background-image: url('https://duckmath.org/imgs/backgrounds/ruby.svg');
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  color: var(--text-dark);
  min-height: 100vh;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { display: block; max-width: 100%; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.3); border-radius: 99px; }

/* ================================================================
   MOBILE HEADER (hidden on desktop)
   ================================================================ */
.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--mobile-header-h);
  background: var(--sidebar-bg);
  z-index: 150;
  padding: 0 12px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.mobile-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.mobile-logo img {
  width: 32px; height: 32px;
  border-radius: 8px;
  object-fit: cover;
}
.mobile-logo-name {
  font-weight: 900;
  font-size: 15px;
  color: #fff;
  letter-spacing: -0.03em;
}
.mobile-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.mobile-btn {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border-radius: 10px;
  transition: background var(--transition);
}
.mobile-btn:hover { background: rgba(255,255,255,0.15); }
.mobile-btn svg {
  width: 22px; height: 22px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ================================================================
   LEFT SIDEBAR (desktop only)
   ================================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-logo {
  background: var(--sidebar-logo-bg);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.sidebar-logo img {
  width: 36px; height: 36px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}
.sidebar-logo-name {
  font-weight: 900;
  font-size: 16px;
  color: var(--text-dark);
  letter-spacing: -0.03em;
  line-height: 1;
}

.sidebar-actions {
  display: flex;
  background: var(--green-dark);
  flex-shrink: 0;
}
.sidebar-action-btn {
  flex: 1;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  transition: background var(--transition);
  border: none;
  background: transparent;
}
.sidebar-action-btn:hover { background: rgba(255,255,255,0.2); }
.sidebar-action-btn svg {
  width: 20px; height: 20px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.sidebar-promo {
  background: #000;
  color: #fff;
  font-weight: 900;
  font-size: 28px;
  text-align: center;
  padding: 20px 12px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
  border-top: 2px solid #222;
}
.sidebar-promo .arrows {
  color: var(--red);
  font-size: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}
.sidebar-promo .arrows span {
  animation: arrowBounce 1.4s ease-in-out infinite;
  display: block;
}
.sidebar-promo .arrows span:nth-child(2) { animation-delay: 0.15s; }
.sidebar-promo .arrows span:nth-child(3) { animation-delay: 0.30s; }

@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%       { transform: translateY(3px); opacity: 0.7; }
}

.sidebar-play-btn {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  width: 100%;
  padding: 10px 0;
  background: #111;
  color: #fff;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 6px;
  border: 1.5px solid #333;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
  margin-top: 4px;
}
.sidebar-play-btn:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-1px);
}

/* Mini cards in sidebar */
.sidebar-minis {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
  flex: 1;
}
.sidebar-mini {
  display: block;
  border-radius: var(--card-radius);
  overflow: hidden;
  aspect-ratio: 1;
  position: relative;
  cursor: pointer;
  transition: transform var(--spring);
  flex-shrink: 0;
  text-decoration: none;
}
.sidebar-mini:hover { transform: scale(1.04); z-index: 5; }
.sidebar-mini img { width: 100%; height: 100%; object-fit: cover; }

/* ================================================================
   MAIN CONTENT
   ================================================================ */
.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  padding: 0 0 40px 0;
}

/* ================================================================
   CATEGORY FILTER BAR
   ================================================================ */
.cat-bar {
  display: flex;
  gap: 5px;
  padding: 8px 8px 6px;
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(0,0,0,0.18);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.cat-bar::-webkit-scrollbar { display: none; }

.cat-btn {
  padding: 6px 16px;
  border-radius: 99px;
  border: 1.5px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
}
.cat-btn:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.cat-btn.active {
  background: #111;
  border-color: #111;
  color: #fff;
}

/* ================================================================
   GAME GRID — Desktop (default: 6 cols)
   ================================================================ */
.game-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  padding: 6px 8px 4px;
}

/* Featured / Hero card — large left */
.game-card.hero {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}

/* Featured right — tall */
.game-card.featured-tall {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}

/* Featured wide */
.game-card.featured-wide {
  grid-column: span 2;
  grid-row: span 1;
  aspect-ratio: auto;
}

/* ================================================================
   GAME CARDS
   ================================================================ */
.game-card {
  position: relative;
  border-radius: var(--card-radius);
  overflow: hidden;
  aspect-ratio: 1;
  display: block;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--spring), box-shadow var(--transition);
  will-change: transform;
  background: #c62828;
}
.game-card.hero,
.game-card.featured-tall,
.game-card.featured-wide {
  aspect-ratio: auto;
}
.game-card:hover {
  transform: scale(1.06) translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  z-index: 10;
}
.game-card:active { transform: scale(0.97); }

.game-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: filter var(--transition), opacity 0.3s ease;
}
.game-card:hover img { filter: brightness(1.1); }

.game-card-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px 8px 7px;
  background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, transparent 100%);
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transition: opacity var(--transition);
}
.game-card:hover .game-card-label { opacity: 1; }

.game-card.hero .game-card-label {
  opacity: 1;
  padding: 80px 16px 16px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.game-card-emoji {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 40px;
  background: linear-gradient(145deg, #8b1a1a, #6b1a1a);
}
.game-card.hero .game-card-emoji { font-size: 72px; }

.fav-btn {
  position: absolute;
  top: 6px; right: 6px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(0,0,0,0.55);
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  opacity: 0;
  transition: opacity var(--transition), background var(--transition), transform var(--spring);
  z-index: 5;
  padding: 0;
}
.game-card:hover .fav-btn { opacity: 1; }
.fav-btn.active {
  opacity: 1;
  background: rgba(255,193,7,0.9);
}
.fav-btn:hover { transform: scale(1.2); }

/* ================================================================
   SEARCH DRAWER
   ================================================================ */
.drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.drawer-overlay.active { opacity: 1; pointer-events: all; }

.search-drawer {
  position: fixed;
  top: 0; right: 0;
  height: 100vh;
  width: 380px; max-width: 90vw;
  background: var(--drawer-bg);
  z-index: 300;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  display: flex; flex-direction: column;
  overflow: hidden;
  border-left: 1px solid var(--drawer-border);
}
.search-drawer.open { transform: translateX(0); }

.drawer-header {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--drawer-border);
  flex-shrink: 0;
}
.drawer-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  margin-left: auto;
}
.drawer-close:hover { background: rgba(255,255,255,0.1); color: #fff; }
.drawer-close svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }
.drawer-title { font-size: 18px; font-weight: 700; color: #fff; }

.search-wrap { padding: 14px 16px; border-bottom: 1px solid var(--drawer-border); flex-shrink: 0; }
.search-input-wrap { position: relative; display: flex; align-items: center; }
.search-input-wrap svg {
  position: absolute; left: 12px;
  width: 16px; height: 16px;
  color: rgba(255,255,255,0.4); stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 11px 14px 11px 38px;
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  color: #fff;
  font-size: 14px; font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input:focus {
  border-color: var(--green-dark);
  box-shadow: 0 0 0 3px rgba(198,40,40,0.25);
}
.search-input::placeholder { color: rgba(255,255,255,0.35); }

.search-cats {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--drawer-border);
  flex-shrink: 0;
}
.cat-chip {
  padding: 5px 12px;
  border-radius: 99px;
  background: var(--tag-bg);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.7);
  font-size: 11px; font-weight: 700;
  cursor: pointer; transition: all var(--transition);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.cat-chip:hover { background: rgba(255,255,255,0.15); color: #fff; }
.cat-chip.active { background: var(--tag-active-bg); border-color: var(--green-dark); color: var(--tag-active-clr); }

.search-count-label {
  font-size: 10px; font-weight: 700; color: rgba(255,255,255,0.4);
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 8px 16px 4px;
  flex-shrink: 0;
}

.search-results {
  flex: 1; overflow-y: auto;
  padding: 6px 8px 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  align-content: start;
}
.search-results::-webkit-scrollbar { width: 4px; }
.search-results::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

.search-item {
  border-radius: var(--card-radius);
  overflow: hidden;
  aspect-ratio: 1;
  position: relative;
  cursor: pointer;
  display: block;
  text-decoration: none;
  transition: transform var(--spring);
}
.search-item:hover { transform: scale(1.07); z-index: 5; }
.search-item img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.3s ease; }
.search-item-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 18px 5px 4px;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  font-size: 9px; font-weight: 700; color: #fff;
  text-align: center; text-transform: uppercase; letter-spacing: 0.04em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: rgba(255,255,255,0.35);
}
.empty-state-icon { font-size: 40px; margin-bottom: 10px; }
.empty-state p { font-size: 13px; font-weight: 500; }

/* ================================================================
   FOOTER
   ================================================================ */
footer {
  margin-left: var(--sidebar-w);
  padding: 16px 12px;
  background: rgba(0,0,0,0.2);
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 10px;
  border-top: 1px solid rgba(0,0,0,0.2);
}
.footer-brand { font-size: 11px; font-weight: 800; color: rgba(0,0,0,0.5); text-transform: uppercase; letter-spacing: 0.1em; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { font-size: 11px; font-weight: 600; color: rgba(0,0,0,0.45); transition: color var(--transition); }
.footer-links a:hover { color: rgba(0,0,0,0.75); }

/* ================================================================
   SECTION LABEL
   ================================================================ */
.section-title {
  font-size: 11px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(0,0,0,0.55);
  padding: 6px 8px 4px;
  display: flex; align-items: center; gap: 6px;
}

/* ================================================================
   CARD ANIMATION
   ================================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.game-card {
  animation: fadeUp 0.25s ease both;
}
.game-card:nth-child(1) { animation-delay: 0.01s; }
.game-card:nth-child(2) { animation-delay: 0.02s; }
.game-card:nth-child(3) { animation-delay: 0.03s; }
.game-card:nth-child(4) { animation-delay: 0.04s; }
.game-card:nth-child(5) { animation-delay: 0.05s; }
.game-card:nth-child(6) { animation-delay: 0.06s; }
.game-card:nth-child(7) { animation-delay: 0.07s; }
.game-card:nth-child(8) { animation-delay: 0.08s; }

/* ================================================================
   RESPONSIVE — TABLET (≤1024px)
   ================================================================ */
@media (max-width: 1024px) {
  :root { --sidebar-w: 0px; }
  .sidebar { display: none; }
  .mobile-header { display: flex; }
  .main-content { margin-left: 0; margin-top: var(--mobile-header-h); }
  footer { margin-left: 0; }
  .game-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
    padding: 6px 6px 4px;
  }
  .game-card.hero {
    grid-column: span 2;
    grid-row: span 2;
  }
  .game-card.featured-tall {
    grid-column: span 2;
    grid-row: span 2;
  }
  .game-card.featured-wide {
    grid-column: span 2;
    grid-row: span 1;
  }
}

/* ================================================================
   RESPONSIVE — MOBILE (≤640px)
   ================================================================ */
@media (max-width: 640px) {
  :root {
    --sidebar-w: 0px;
    --mobile-header-h: 48px;
  }
  .sidebar { display: none; }
  .mobile-header { display: flex; }
  .main-content {
    margin-left: 0;
    margin-top: var(--mobile-header-h);
    padding-bottom: 20px;
  }
  footer { margin-left: 0; padding: 12px; }

  .cat-bar {
    gap: 4px;
    padding: 6px 6px;
  }
  .cat-btn {
    padding: 5px 12px;
    font-size: 11px;
  }

  .game-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 4px;
  }
  .game-card.hero {
    grid-column: span 2;
    grid-row: span 2;
  }
  .game-card.featured-tall {
    grid-column: span 1;
    grid-row: span 2;
  }
  .game-card.featured-wide {
    grid-column: span 2;
    grid-row: span 1;
  }
  .game-card.hero .game-card-label {
    padding: 40px 10px 10px;
    font-size: 14px;
  }

  .search-drawer {
    width: 100%;
    max-width: 100%;
    border-left: none;
  }
  .search-results {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ================================================================
   RESPONSIVE — SMALL PHONE (≤400px)
   ================================================================ */
@media (max-width: 400px) {
  .game-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3px;
    padding: 3px;
  }
  .game-card.hero {
    grid-column: span 2;
    grid-row: span 2;
  }
  .game-card.featured-tall,
  .game-card.featured-wide {
    grid-column: span 1;
    grid-row: span 1;
  }
  .cat-btn {
    padding: 4px 10px;
    font-size: 10px;
  }
}

/* ================================================================
   COOKIE CONSENT BANNER
   ================================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(20, 20, 20, 0.97);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.12);
  z-index: 9999;
  padding: 16px 20px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.4);
}
.cookie-banner.visible {
  transform: translateY(0);
}
.cookie-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cookie-icon {
  font-size: 22px;
  flex-shrink: 0;
}
.cookie-content p {
  flex: 1;
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}
.cookie-content p a {
  color: var(--green);
  text-decoration: underline;
}
.cookie-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.cookie-btn {
  padding: 9px 20px;
  border-radius: 8px;
  border: none;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.cookie-accept {
  background: var(--green-dark);
  color: #fff;
}
.cookie-accept:hover {
  background: var(--green-deeper);
  transform: translateY(-1px);
}
.cookie-decline {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.12);
}
.cookie-decline:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
@media (max-width: 600px) {
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .cookie-actions {
    width: 100%;
  }
  .cookie-btn {
    flex: 1;
    text-align: center;
  }
}