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

body {
  font-family: 'Noto Sans SC', 'Space Grotesk', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.bg-glow {
  position: fixed; top: -20%; left: -10%;
  width: 50%; height: 60%;
  background: var(--glow-1);
  pointer-events: none; z-index: 0;
}
.bg-glow-2 {
  position: fixed; bottom: -30%; right: -15%;
  width: 60%; height: 70%;
  background: var(--glow-2);
  pointer-events: none; z-index: 0;
}

.page-wrap {
  position: relative; z-index: 1;
  max-width: 1400px; margin: 0 auto;
  padding: 0 24px;
}

.progress-track {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  z-index: 99999; transition: width 0.3s ease;
  box-shadow: 0 0 12px var(--accent-glow);
  width: 0%;
}

.toast-stack {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%); z-index: 100001;
  display: flex; flex-direction: column; gap: 8px;
  align-items: center; pointer-events: none;
}
.toast-msg {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  color: var(--text-primary); padding: 12px 24px;
  border-radius: 12px; font-size: 0.88rem; font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  animation: toastSlide 0.35s cubic-bezier(0.175,0.885,0.32,1.275);
  white-space: nowrap; pointer-events: auto;
  display: flex; align-items: center; gap: 8px;
}
.toast-msg.out { animation: toastOut 0.25s ease forwards; }
.toast-msg.ok { border-color: var(--success); border-left: 3px solid var(--success); }
.toast-msg.err { border-color: var(--danger); border-left: 3px solid var(--danger); }
.toast-msg.info { border-color: var(--accent); border-left: 3px solid var(--accent); }
@keyframes toastSlide { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
@keyframes toastOut { from{opacity:1;transform:translateY(0)} to{opacity:0;transform:translateY(20px)} }

.topbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px; height: 60px;
  display: flex; align-items: center; gap: 16px;
  transition: background 0.3s;
}
.topbar-title {
  font-size: 1.1rem; font-weight: 700;
  color: var(--text-primary); white-space: nowrap;
}
.topbar-sub {
  font-size: 0.8rem; color: var(--text-muted);
  font-weight: 400; margin-left: -8px;
}
.topbar-spacer { flex: 1; }
.topbar-back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-secondary); font-size: 0.85rem;
  font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: color 0.2s;
}
.topbar-back:hover { color: var(--accent); text-decoration: none; }
.topbar-back svg { width: 16px; height: 16px; }

.theme-btns {
  display: flex; gap: 6px; flex-shrink: 0;
}
.theme-btn {
  width: 28px; height: 28px; border-radius: 8px;
  border: 2px solid transparent; cursor: pointer;
  transition: all 0.2s; position: relative;
}
.theme-btn:hover { transform: scale(1.1); }
.theme-btn.active { border-color: var(--text-primary); box-shadow: 0 0 0 2px var(--accent-glow); }
.theme-btn[data-theme-btn="dark-tech"] { background: linear-gradient(135deg, #0a0a0f, #1a1a2e); }
.theme-btn[data-theme-btn="light-clean"] { background: linear-gradient(135deg, #f8f9fa, #ffffff); }
.theme-btn[data-theme-btn="kids-color"] { background: linear-gradient(135deg, #ff6b6b, #ffa94d); }

.topbar-search {
  width: 200px; flex-shrink: 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px; padding: 24px;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  transition-property: border-color, box-shadow, background;
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--card-shadow);
}

.btn-primary {
  padding: 10px 20px; border-radius: 10px;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: white; transition: all 0.2s ease;
  display: inline-flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-secondary {
  padding: 10px 20px; border-radius: 10px;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  border: 1.5px solid var(--border-subtle);
  background: var(--bg-input); color: var(--text-secondary);
  transition: all 0.2s ease; white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--border-hover); color: var(--text-primary); }
.btn-secondary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-sm {
  padding: 6px 12px; font-size: 0.78rem; border-radius: 8px;
}

.btn-icon {
  width: 36px; height: 36px; border-radius: 10px;
  border: 1.5px solid var(--border-subtle);
  background: var(--bg-input); color: var(--text-secondary);
  cursor: pointer; display: inline-flex;
  align-items: center; justify-content: center;
  transition: all 0.2s; flex-shrink: 0;
}
.btn-icon:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.btn-icon.active { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.input-dark {
  background: var(--bg-input);
  border: 1.5px solid var(--border-subtle);
  border-radius: 10px; padding: 10px 14px; width: 100%;
  outline: none; font-size: 0.9rem;
  color: var(--text-primary); transition: all 0.2s ease;
  font-family: inherit;
}
.input-dark:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.input-dark::placeholder { color: var(--text-muted); }

.range-dark {
  -webkit-appearance: none; width: 100%; height: 5px;
  border-radius: 3px; background: var(--bg-input); outline: none; cursor: pointer;
}
.range-dark::-webkit-slider-thumb {
  -webkit-appearance: none; width: 16px; height: 16px;
  border-radius: 50%; background: var(--accent); cursor: pointer;
  box-shadow: 0 2px 8px var(--accent-glow); transition: transform 0.15s;
}
.range-dark::-webkit-slider-thumb:hover { transform: scale(1.2); }

.stat-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; background: var(--bg-input);
  border: 1px solid var(--border-subtle); border-radius: 20px;
  font-size: 0.82rem; color: var(--text-secondary); font-weight: 500;
}

.toggle-switch {
  appearance: none; width: 40px; height: 22px;
  background: var(--bg-input); border-radius: 11px;
  position: relative; cursor: pointer;
  border: 1px solid var(--border-subtle); transition: all 0.2s ease;
}
.toggle-switch::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; background: var(--text-muted);
  border-radius: 50%; transition: all 0.2s ease;
}
.toggle-switch:checked { background: var(--accent); border-color: var(--accent); }
.toggle-switch:checked::after { left: 20px; background: white; }

.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--text-muted);
  border-top-color: var(--text-primary); border-radius: 50%;
  animation: spin 0.5s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; color: white;
  box-shadow: 0 4px 20px var(--accent-glow); flex-shrink: 0;
}

.modal-bg {
  position: fixed; inset: 0; background: var(--modal-overlay);
  z-index: 20000; display: flex; align-items: center;
  justify-content: center; animation: fadeIn 0.2s ease;
}
.modal-panel {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: 20px; padding: 28px; max-width: 560px; width: 90%;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4);
  animation: modalSlide 0.3s cubic-bezier(0.175,0.885,0.32,1.275);
  text-align: center; max-height: 90vh; overflow-y: auto;
}
.modal-title {
  font-size: 1.1rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 16px;
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 8px;
  border: 1px solid var(--border-subtle); background: var(--bg-input);
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; transition: all 0.2s;
}
.modal-close:hover { color: var(--danger); border-color: var(--danger); }
@keyframes modalSlide { from{opacity:0;transform:scale(0.92) translateY(10px)} to{opacity:1;transform:scale(1) translateY(0)} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

.ctx-menu {
  position: fixed; background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: 12px;
  padding: 6px; z-index: 100000; min-width: 200px;
  animation: ctxPop 0.18s cubic-bezier(0.175,0.885,0.32,1.275);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
@keyframes ctxPop { from{opacity:0;transform:scale(0.92)} to{opacity:1;transform:scale(1)} }
.ctx-item {
  padding: 9px 12px; border-radius: 8px; cursor: pointer;
  font-size: 0.85rem; color: var(--text-secondary);
  transition: all 0.12s ease; display: flex; align-items: center; gap: 10px;
}
.ctx-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.ctx-sep { height: 1px; background: var(--border-subtle); margin: 4px 6px; }

.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 16px 0; align-items: center;
}
.filter-tab {
  padding: 7px 16px; border-radius: 10px;
  font-size: 0.82rem; font-weight: 600; cursor: pointer;
  border: 1.5px solid var(--border-subtle);
  background: transparent; color: var(--text-secondary);
  transition: all 0.2s; white-space: nowrap;
}
.filter-tab:hover { border-color: var(--border-hover); color: var(--text-primary); }
.filter-tab.active {
  background: var(--accent); border-color: var(--accent);
  color: white; box-shadow: 0 2px 12px var(--accent-glow);
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px; padding: 16px 0;
}

.asset-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px; overflow: hidden;
  cursor: pointer; transition: all 0.25s ease;
  position: relative;
}
.asset-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--card-shadow);
  transform: translateY(-2px);
}
.asset-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.asset-card-preview {
  width: 100%; aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-input);
  overflow: hidden; position: relative;
}
.asset-card-preview canvas {
  max-width: 100%; max-height: 100%;
}
.asset-card-preview img {
  max-width: 100%; max-height: 100%;
  object-fit: contain;
}
.asset-card-info {
  padding: 10px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.asset-card-name {
  font-size: 0.82rem; font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.asset-card-meta {
  font-size: 0.72rem; color: var(--text-muted);
}
.asset-card-check {
  position: absolute; top: 8px; left: 8px;
  width: 22px; height: 22px; border-radius: 6px;
  border: 2px solid var(--border-subtle);
  background: var(--bg-card); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; z-index: 2; opacity: 0;
}
.asset-card:hover .asset-card-check { opacity: 1; }
.asset-card.selected .asset-card-check {
  background: var(--accent); border-color: var(--accent);
  opacity: 1; color: white;
}
.asset-card-actions {
  position: absolute; top: 8px; right: 8px;
  display: flex; gap: 4px; z-index: 2;
  opacity: 0; transition: opacity 0.2s;
}
.asset-card:hover .asset-card-actions { opacity: 1; }
.asset-card-actions button {
  width: 28px; height: 28px; border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card); color: var(--text-secondary);
  cursor: pointer; font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.asset-card-actions button:hover {
  border-color: var(--accent); color: var(--accent);
}

.batch-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  padding: 12px 24px; z-index: 500;
  display: flex; align-items: center; gap: 12px;
  transform: translateY(100%); transition: transform 0.3s ease;
}
.batch-bar.visible { transform: translateY(0); }
.batch-bar-count {
  font-size: 0.88rem; font-weight: 600;
  color: var(--text-primary);
}
.batch-bar-spacer { flex: 1; }

.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state-icon {
  font-size: 3rem; margin-bottom: 16px; opacity: 0.5;
}
.empty-state-text {
  font-size: 1rem; font-weight: 500;
}
.empty-state-hint {
  font-size: 0.85rem; margin-top: 8px;
}

.section-title {
  font-size: 0.9rem; font-weight: 700;
  color: var(--text-primary); padding: 20px 0 8px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 12px;
}

.color-chips {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.color-chip {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid transparent; cursor: pointer;
  transition: all 0.2s; flex-shrink: 0;
}
.color-chip:hover { transform: scale(1.15); }
.color-chip.active {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
  transform: scale(1.15);
}

.checker-bg {
  background-image:
    linear-gradient(45deg, var(--bg-hover) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg-hover) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg-hover) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg-hover) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

.tag {
  display: inline-block; padding: 3px 10px;
  border-radius: 6px; font-size: 0.72rem;
  font-weight: 600;
}
.tag-accent { background: var(--accent-glow); color: var(--accent); }
.tag-success { background: rgba(52,211,153,0.15); color: var(--success); }
.tag-warning { background: rgba(251,191,36,0.15); color: var(--warning); }
.tag-danger { background: rgba(248,113,113,0.15); color: var(--danger); }

.footer-bar {
  text-align: center; padding: 32px 24px;
  color: var(--text-muted); font-size: 0.78rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 40px;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

.kbd {
  display: inline-block; padding: 2px 6px;
  background: var(--bg-input); border: 1px solid var(--border-subtle);
  border-radius: 4px; font-size: 0.78rem; color: var(--text-secondary);
  font-family: inherit;
}

@media (max-width: 1024px) {
  .page-wrap { padding: 0 16px; }
  .asset-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .topbar-search { width: 160px; }
}

@media (max-width: 768px) {
  .topbar { padding: 0 12px; height: 56px; gap: 10px; }
  .topbar-search { width: 120px; }
  .topbar-sub { display: none; }
  .theme-btns { gap: 4px; }
  .theme-btn { width: 24px; height: 24px; border-radius: 6px; }
  .page-wrap { padding: 0 12px; }
  .asset-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
  .card { padding: 16px; border-radius: 12px; }
  .filter-bar { gap: 6px; }
  .filter-tab { padding: 6px 12px; font-size: 0.78rem; }
  .modal-panel { padding: 20px; border-radius: 16px; width: 95%; }
  .batch-bar { padding: 10px 16px; }
}

@media (max-width: 480px) {
  .topbar { height: 52px; }
  .topbar-title { font-size: 0.95rem; }
  .topbar-search { width: 100px; }
  .asset-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .asset-card-info { padding: 8px; }
  .asset-card-name { font-size: 0.75rem; }
  .btn-primary, .btn-secondary { padding: 8px 14px; font-size: 0.8rem; }
}