/* ============================================
   HALF-FROG - Liquid Glass Design System
   ============================================ */
:root {
  --bg-primary: #f2f2f7; --bg-secondary: #ffffff;
  --glass-bg: rgba(255,255,255,0.65); --glass-border: rgba(255,255,255,0.5);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.08); --glass-shadow-elevated: 0 12px 48px rgba(0,0,0,0.12);
  --glass-blur: 40px; --glass-inner-shadow: inset 0 1px 1px rgba(255,255,255,0.8);
  --text-primary: #1c1c1e; --text-secondary: #636366; --text-tertiary: #8e8e93;
  --accent: #7C3AED; --accent-hover: #6D28D9; --accent-glass: rgba(124,58,237,0.12);
  --green: #34c759; --orange: #ff9500; --red: #ff3b30; --yellow: #ffcc00; --purple: #af52de;
  --divider: rgba(0,0,0,0.06); --search-bg: rgba(118,118,128,0.08); --card-radius: 16px;
  --status-playing: #0EA5E9; --status-completed: #34c759; --status-backlog: #8e8e93;
  --status-wishlist: #af52de; --status-abandoned: #ff3b30;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
}
[data-theme="dark"] {
  --bg-primary: #000; --bg-secondary: #1c1c1e;
  --glass-bg: rgba(44,44,46,0.65); --glass-border: rgba(255,255,255,0.08);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.3); --glass-shadow-elevated: 0 12px 48px rgba(0,0,0,0.45);
  --glass-inner-shadow: inset 0 1px 1px rgba(255,255,255,0.06);
  --text-primary: #f5f5f7; --text-secondary: #aeaeb2; --text-tertiary: #8e8e93;
  --accent: #8B5CF6; --accent-hover: #A78BFA; --accent-glass: rgba(139,92,246,0.18);
  --divider: rgba(255,255,255,0.08); --search-bg: rgba(118,118,128,0.2);
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased; color: var(--text-primary); background: var(--bg-primary);
  overflow-x: hidden; touch-action: pan-y; -webkit-text-size-adjust: 100%;
}
body {
  min-height: 100dvh; background: var(--bg-primary); transition: background-color 0.4s;
  padding-top: var(--sat); /* Push everything below status bar */
}
body.modal-open { overflow: hidden; position: fixed; width: 100%; height: 100%; touch-action: none; }

/* ---- Login Gate ---- */
.login-gate {
  position: fixed; inset: 0; z-index: 1000; background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  padding: var(--sat) 0 var(--sab);
}
.login-box { padding: 40px 32px; border-radius: 24px; text-align: center; width: 90%; max-width: 320px; }
.login-title { font-size: 32px; font-weight: 700; letter-spacing: -1px; margin-bottom: 4px; }
.login-subtitle { font-size: 14px; color: var(--text-tertiary); margin-bottom: 24px; }
.login-btn {
  width: 100%; padding: 14px; border-radius: 14px; border: none; background: var(--accent);
  color: #fff; font-size: 16px; font-weight: 600; cursor: pointer; margin-top: 12px; transition: all 0.2s;
}
.login-btn:active { transform: scale(0.97); }

/* ---- Glass ---- */
.glass {
  background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border: 0.5px solid var(--glass-border); box-shadow: var(--glass-shadow), var(--glass-inner-shadow);
}
.glass-elevated {
  background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur)) saturate(200%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(200%);
  border: 0.5px solid var(--glass-border); box-shadow: var(--glass-shadow-elevated), var(--glass-inner-shadow);
}

/* ---- Navbar ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: calc(var(--sat) + 12px) 16px 10px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: calc(56px + var(--sat)); background: var(--bg-primary);
}
.navbar-title { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; }
.navbar-actions { display: flex; gap: 6px; }
.nav-btn {
  width: 38px; height: 38px; border-radius: 50%; border: none;
  background: var(--accent-glass); color: var(--accent);
  cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s;
}
.nav-btn:hover { transform: scale(1.08); }
.nav-btn:active { transform: scale(0.95); }

/* ---- Search ---- */
.search-container {
  padding: 0 16px;
  margin-top: calc(56px + var(--sat) + 12px);
  margin-bottom: 8px;
}
.search-bar {
  width: 100%; height: 40px; border-radius: 12px; border: none;
  background: var(--search-bg); padding: 0 14px 0 38px; font-size: 16px;
  color: var(--text-primary); outline: none; transition: all 0.25s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: 12px center;
}
.search-bar:focus { background-color: var(--glass-bg); box-shadow: 0 0 0 3px var(--accent-glass); }
.search-bar::placeholder { color: var(--text-tertiary); }

/* ---- Filters ---- */
.filters { display: flex; gap: 8px; padding: 8px 16px 12px; overflow-x: auto; scrollbar-width: none; }
.filters::-webkit-scrollbar { display: none; }
.filter-pill {
  padding: 7px 16px; border-radius: 20px; border: none; font-size: 14px; font-weight: 500;
  cursor: pointer; white-space: nowrap; color: var(--text-secondary);
  background: var(--search-bg); transition: all 0.2s;
}
.filter-pill.active { background: var(--accent); color: #fff; }
.filter-pill:hover:not(.active) { background: var(--accent-glass); color: var(--accent); }

/* ---- Stats ---- */
.stats-bar { display: flex; gap: 8px; padding: 0 16px 12px; overflow-x: auto; scrollbar-width: none; }
.stats-bar::-webkit-scrollbar { display: none; }
.stat-card { flex: 1; min-width: 0; padding: 10px 6px; border-radius: 12px; text-align: center; }
.stat-value { font-size: 20px; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 10px; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.3px; margin-top: 2px; }

/* ---- Game Grid ---- */
.game-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  padding: 12px 16px calc(80px + var(--sab)); width: 100%; overflow: hidden;
}
.game-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.game-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.game-grid.no-labels .game-info { display: none; }
.game-card { cursor: pointer; transition: all 0.25s; position: relative; min-width: 0; overflow: hidden; }
.game-card:hover { transform: translateY(-4px); }
.game-card:active { transform: scale(0.97); }
.game-cover-wrap {
  aspect-ratio: 3/4; border-radius: 10px; overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15); position: relative;
}
.game-cover { width: 100%; height: 100%; object-fit: cover; display: block; }
.game-cover-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), #5856d6);
  color: #fff; font-size: 12px; font-weight: 600; padding: 8px; text-align: center; line-height: 1.3;
}
.game-favorite {
  position: absolute; top: 6px; right: 6px; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0,0,0,0.4); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; font-size: 11px;
}
.game-status-dot {
  position: absolute; bottom: 6px; left: 6px; width: 14px; height: 14px;
  border-radius: 50%; border: 2px solid rgba(255,255,255,0.9);
}
.game-info { padding: 6px 2px 0; }
.game-title { font-size: 12px; font-weight: 600; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.game-platform { font-size: 11px; color: var(--text-secondary); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---- Section Separators ---- */
.section-separator { padding: 20px 16px 6px; font-size: 13px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.35); backdrop-filter: blur(4px);
  z-index: 200; display: flex; align-items: flex-end; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; overscroll-behavior: contain; }
.modal {
  width: 100%; max-width: 500px; max-height: calc(92dvh - var(--sat));
  border-radius: 20px 20px 0 0; padding: 0; overflow: hidden;
  transform: translateY(100%); transition: transform 0.35s cubic-bezier(0.32,0.72,0,1);
  display: flex; flex-direction: column;
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-handle { width: 36px; height: 5px; background: var(--text-tertiary); border-radius: 3px; margin: 10px auto; opacity: 0.4; }
.modal-cover-section { position: relative; width: 100%; display: flex; justify-content: center; padding: 10px 0 20px; }
.modal-cover { width: 140px; height: 187px; border-radius: 10px; object-fit: cover; box-shadow: 0 8px 30px rgba(0,0,0,0.25); }
.modal-body { padding: 0 20px calc(40px + var(--sab)); overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; flex: 1; }
.modal-title { font-size: 22px; font-weight: 700; text-align: center; line-height: 1.25; }
.modal-subtitle { font-size: 14px; color: var(--text-secondary); text-align: center; margin-top: 4px; }
.modal-authors { font-size: 15px; color: var(--accent); text-align: center; margin-top: 6px; font-weight: 500; }
.modal-rating { text-align: center; margin: 10px 0; font-size: 20px; letter-spacing: 2px; }
.modal-actions { display: flex; gap: 8px; margin: 16px 0; justify-content: center; flex-wrap: wrap; }
.modal-action-btn { padding: 8px 18px; border-radius: 20px; border: none; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.modal-action-btn.primary { background: var(--accent); color: #fff; }
.modal-action-btn.danger { background: rgba(255,59,48,0.12); color: var(--red); }
.modal-action-btn:active { transform: scale(0.95); }
.detail-section { margin-top: 16px; }
.detail-section-title { font-size: 13px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.detail-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 0.5px solid var(--divider); font-size: 15px; }
.detail-label { color: var(--text-secondary); }
.detail-value { font-weight: 500; text-align: right; max-width: 60%; }
.detail-synopsis { font-size: 14px; line-height: 1.6; color: var(--text-secondary); margin-top: 4px; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.detail-tag { padding: 4px 12px; border-radius: 12px; background: var(--accent-glass); color: var(--accent); font-size: 13px; font-weight: 500; }
.modal-screenshots-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 6px; margin-top: 8px; }
.modal-screenshot { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 8px; cursor: pointer; transition: transform 0.2s; }
.modal-screenshot:hover { transform: scale(1.03); }

/* ---- Screenshots Page ---- */
.screenshot-group { margin-bottom: 16px; }
.screenshot-group-header { display: flex; align-items: center; gap: 10px; padding: 10px 0; cursor: pointer; user-select: none; }
.screenshot-group-title { font-size: 16px; font-weight: 600; flex: 1; }
.screenshot-group-meta { font-size: 13px; color: var(--text-tertiary); }
.screenshot-group-count { font-size: 13px; color: var(--text-tertiary); font-weight: 400; }
.screenshot-group-chevron { color: var(--text-tertiary); transition: transform 0.3s; font-size: 14px; }
.screenshot-group-chevron.expanded { transform: rotate(90deg); }
.screenshot-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 6px; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.32,0.72,0,1), opacity 0.3s; }
.screenshot-grid.collapsed { max-height: 0 !important; opacity: 0; padding: 0; }
.screenshot-thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 10px; cursor: pointer; transition: all 0.2s; }
.screenshot-thumb:hover { transform: scale(1.03); box-shadow: 0 4px 16px rgba(0,0,0,0.2); }

/* ---- Lightbox ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 500; background: rgba(0,0,0,0.92);
  display: none; align-items: center; justify-content: center; cursor: pointer;
}
.lightbox.active { display: flex; }
.lightbox-img { max-width: 95vw; max-height: 90vh; object-fit: contain; border-radius: 8px; }
.lightbox-close {
  position: absolute; top: calc(var(--sat) + 12px); right: 16px;
  width: 40px; height: 40px; border-radius: 50%; border: none;
  background: rgba(255,255,255,0.15); color: #fff; font-size: 24px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(10px);
}

/* ---- Form ---- */
.form-header-btn { background: none; border: none; color: var(--accent); font-size: 16px; font-weight: 500; cursor: pointer; padding: 4px 8px; }
.form-header-title { font-size: 17px; font-weight: 600; }
.form-group { margin-bottom: 16px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; display: block; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px; border-radius: 12px; border: 0.5px solid var(--divider);
  background: var(--glass-bg); backdrop-filter: blur(20px); font-size: 16px;
  color: var(--text-primary); outline: none; transition: all 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glass); }
.form-textarea { min-height: 80px; resize: vertical; font-family: inherit; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.isbn-lookup-row { display: flex; gap: 8px; }
.isbn-lookup-row .form-input { flex: 1; }
.isbn-lookup-btn { padding: 12px 16px; border-radius: 12px; border: none; background: var(--accent); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.isbn-lookup-btn:active { transform: scale(0.96); }
.form-cover-preview { width: 100px; height: 133px; border-radius: 8px; object-fit: cover; box-shadow: 0 4px 12px rgba(0,0,0,0.15); margin: 8px auto; display: block; }
.star-rating { display: flex; gap: 4px; align-items: center; padding: 8px 0; }
.star-rating .star { font-size: 28px; color: var(--text-tertiary); cursor: pointer; transition: color 0.15s, transform 0.15s; line-height: 1; }
.star-rating .star.active { color: var(--yellow); }
.star-rating .star:active { transform: scale(1.2); }
.form-tag-selector { display: flex; flex-wrap: wrap; gap: 8px; }
.form-tag-chip {
  padding: 7px 14px; border-radius: 16px; border: 1.5px solid var(--divider);
  background: transparent; font-size: 14px; font-weight: 500; cursor: pointer;
  color: var(--text-secondary); transition: all 0.2s;
}
.form-tag-chip.selected { background: var(--accent); color: #fff; border-color: var(--accent); }
.form-tag-chip:hover:not(.selected) { border-color: var(--accent); color: var(--accent); }
.scan-btn {
  width: 100%; padding: 14px; border-radius: 12px; border: 2px dashed var(--divider);
  background: transparent; color: var(--accent); font-size: 15px; font-weight: 500;
  cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; transition: all 0.2s;
}
.scan-btn:hover { border-color: var(--accent); background: var(--accent-glass); }

/* ---- Tag Management ---- */
.tag-manage-item { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 0.5px solid var(--divider); }
.tag-manage-item:last-child { border-bottom: none; }
.tag-manage-label { flex: 1; font-size: 15px; }
.tag-manage-count { font-size: 13px; color: var(--text-tertiary); }
.tag-manage-actions { display: flex; gap: 8px; }
.tag-manage-btn { background: none; border: none; font-size: 16px; cursor: pointer; padding: 4px; color: var(--text-tertiary); }
.tag-manage-btn:hover { color: var(--accent); }
.tag-manage-btn.danger:hover { color: var(--red); }

/* ---- Hidden Items ---- */
.hidden-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 0.5px solid var(--divider); }
.hidden-item:last-child { border-bottom: none; }
.hidden-item-name { flex: 1; font-size: 15px; }
.hidden-item-type { font-size: 12px; color: var(--text-tertiary); }
.unhide-btn { background: var(--accent-glass); color: var(--accent); border: none; border-radius: 12px; padding: 6px 14px; font-size: 13px; font-weight: 500; cursor: pointer; }

/* ---- Tab Bar ---- */
.tab-bar {
  position: fixed;
  bottom: calc(var(--sab) + 8px);
  left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; padding: 5px; z-index: 100;
  border-radius: 28px; gap: 2px;
}
.tab-item {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  background: none; border: none; cursor: pointer; color: var(--text-secondary);
  font-size: 12px; font-weight: 500; transition: all 0.35s cubic-bezier(0.32,0.72,0,1);
  padding: 10px 14px; border-radius: 22px; white-space: nowrap;
}
.tab-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.tab-item span { display: none; font-weight: 600; line-height: 20px; }
.tab-item.active { background: var(--accent); color: #fff; padding: 10px 18px; }
.tab-item.active span { display: inline; }
.tab-item.active svg { stroke: #fff; }

/* ---- Settings ---- */
.settings-section {
  padding: 0 16px calc(80px + var(--sab));
  margin-top: calc(56px + var(--sat) + 12px);
}
.settings-group { border-radius: var(--card-radius); overflow: hidden; margin-bottom: 16px; }
.settings-group-title { font-size: 13px; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; padding: 16px 16px 8px; }
.settings-item { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 0.5px solid var(--divider); font-size: 15px; cursor: pointer; }
.settings-item:last-child { border-bottom: none; }

/* ---- Toast ---- */
.toast {
  position: fixed; top: calc(var(--sat) + 60px); left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: 12px 24px; border-radius: 14px; font-size: 14px; font-weight: 500;
  z-index: 600; opacity: 0; pointer-events: none; transition: all 0.3s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- Empty ---- */
.empty-state { text-align: center; padding: 60px 40px; }
.empty-state-icon { font-size: 64px; margin-bottom: 16px; opacity: 0.3; }
.empty-state-text { font-size: 17px; font-weight: 500; color: var(--text-secondary); }
.empty-state-sub { font-size: 14px; color: var(--text-tertiary); margin-top: 4px; }

/* ---- Pages ---- */
.page { display: none; animation: fadeIn 0.25s ease; }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Screenshots container padding ---- */
#screenshotsContainer { padding-bottom: calc(80px + var(--sab)) !important; }

/* ---- Responsive ---- */
@media (min-width: 768px) {
  .page, .navbar, .search-container, .stats-bar, .filters, .game-grid { max-width: 700px; margin-left: auto; margin-right: auto; }
  .navbar { left: 0; right: 0; }
  .game-grid.cols-3 { grid-template-columns: repeat(4, 1fr); }
  .modal { border-radius: 20px; margin-bottom: 20px; max-height: 85dvh; }
  .screenshot-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
  .page, .navbar, .search-container, .stats-bar, .filters, .game-grid { max-width: 900px; }
  .game-grid.cols-3 { grid-template-columns: repeat(5, 1fr); }
  .game-grid.cols-2 { grid-template-columns: repeat(3, 1fr); }
  .screenshot-grid { grid-template-columns: repeat(5, 1fr); }
}
@media (min-width: 1400px) {
  .page, .navbar, .search-container, .stats-bar, .filters, .game-grid { max-width: 1100px; }
  .game-grid.cols-3 { grid-template-columns: repeat(6, 1fr); }
  .game-grid.cols-2 { grid-template-columns: repeat(4, 1fr); }
  .screenshot-grid { grid-template-columns: repeat(6, 1fr); }
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-tertiary); border-radius: 4px; }

.hidden { display: none !important; }
[data-admin] { display: none !important; }
body.admin-active [data-admin] { display: flex !important; }
body.admin-active div[data-admin] { display: block !important; }
body.admin-active .tab-item[data-admin] { display: flex !important; }
body.admin-active .modal-action-btn[data-admin] { display: inline-block !important; }
body.admin-active section[data-admin] { display: block !important; }