/* ========================================================================
   HD Icons — Cloudflare Edition
   ======================================================================== */

:root {
  --bg:        #f8fafc;
  --bg-card:   #ffffff;
  --bg-hover:  #f1f5f9;
  --bg-input:  #ffffff;
  --bg-modal:  #ffffff;
  --text:      #0f172a;
  --text-2:    #64748b;
  --text-3:    #94a3b8;
  --border:    #e2e8f0;
  --accent:    #3b82f6;
  --accent-hover: #2563eb;
  --danger:    #ef4444;
  --success:   #22c55e;
  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.1);
  --radius:    12px;
  --radius-sm: 8px;
}

[data-theme="dark"] {
  --bg:        #0f172a;
  --bg-card:   #1e293b;
  --bg-hover:  #334155;
  --bg-input:  #1e293b;
  --bg-modal:  #1e293b;
  --text:      #f1f5f9;
  --text-2:    #94a3b8;
  --text-3:    #64748b;
  --border:    #334155;
  --shadow:    0 1px 3px rgba(0,0,0,.3);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background .3s, color .3s;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
}
.logo-icon { font-size: 26px; }

.badge {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
}

.header-actions { display: flex; gap: 6px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  padding: 8px 14px;
  transition: all .15s;
}
.btn:hover { background: var(--bg-hover); }
.btn:active { transform: scale(.97); }

.btn-icon { padding: 8px; width: 36px; height: 36px; }
.btn-sm { font-size: 12px; padding: 4px 10px; }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-hover); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-block { width: 100%; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { background: rgba(239,68,68,.1); }

/* ---- Auth ---- */
.btn-auth {
  font-size: 13px;
  padding: 6px 12px;
  color: var(--text-2);
}
.btn-auth:hover { color: var(--text); }

.auth-user {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.auth-user-menu {
  position: relative;
}

.auth-user-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.auth-user-name {
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  color: var(--success);
}

.auth-chevron {
  opacity: .6;
  transition: transform .15s;
}

.auth-user-menu:has(.auth-dropdown.open) .auth-chevron {
  transform: rotate(180deg);
}

.auth-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 4px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity .15s, transform .15s;
  z-index: 110;
}

.auth-dropdown.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.auth-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background .15s;
}

.auth-dropdown-item:hover {
  background: var(--bg-hover);
}

.auth-dropdown-danger {
  color: var(--danger);
}

.auth-dropdown-danger:hover {
  background: rgba(239,68,68,.1);
}

.btn-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-lg);
  z-index: 90;
}
.btn-float:hover { background: var(--accent-hover); }

/* Theme toggle icon visibility */
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun, :not([data-theme]) .icon-sun { display: none; }
[data-theme="dark"] .icon-sun { display: block; }
:not([data-theme]) .icon-moon { display: block; }

/* ---- Toolbar ---- */
.toolbar {
  max-width: 1400px;
  margin: 16px auto 0;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box svg {
  position: absolute;
  left: 14px;
  color: var(--text-3);
  pointer-events: none;
}
.search-box input {
  width: 100%;
  padding: 10px 80px 10px 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.search-box input::placeholder { color: var(--text-3); }
.search-count {
  position: absolute;
  right: 14px;
  color: var(--text-3);
  font-size: 13px;
}

.filter-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tab {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.tab:hover { background: var(--bg-hover); color: var(--text); }
.tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.tab-count {
  font-size: 11px;
  opacity: .8;
}

/* ---- Grid ---- */
.grid-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 20px 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}

.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, border-color .15s;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  gap: 8px;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.card img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 6px;
  transition: transform .2s;
}
.card:hover img { transform: scale(1.08); }

.card-name {
  font-size: 11px;
  color: var(--text-2);
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.3;
}

.card-actions {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity .15s;
}
.card:hover .card-actions { opacity: 1; }

.card-actions .btn-icon {
  width: 28px;
  height: 28px;
  padding: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.card-type-badge {
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--bg-hover);
  color: var(--text-3);
  opacity: 0;
  transition: opacity .15s;
}
.card:hover .card-type-badge { opacity: 1; }

/* ---- Loading / Empty ---- */
.loading, .empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text-3);
  gap: 12px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

.empty-hint { font-size: 13px; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  width: 90%;
  max-width: 480px;
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.modal-header h2 { font-size: 18px; }
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
}

.modal-preview {
  max-width: 600px;
  text-align: center;
}
.modal-preview img {
  max-width: 100%;
  max-height: 60vh;
  border-radius: var(--radius-sm);
}
.preview-info {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-2);
  font-size: 14px;
}

/* ---- Upload Zone ---- */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  color: var(--text-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(59,130,246,.05);
}
.upload-hint { font-size: 12px; color: var(--text-3); }
.upload-auth-hint { color: var(--text-2); }

/* ---- Auth Forms ---- */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.setup-welcome {
  text-align: center;
  margin-bottom: 20px;
  padding: 0 8px;
}

.setup-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.setup-lead {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}

.setup-hint {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.5;
}

.modal-setup {
  max-width: 420px;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-2);
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}
.form-group input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-group input::placeholder { color: var(--text-3); }
.form-error {
  font-size: 13px;
  color: var(--danger);
  text-align: center;
  margin: 0;
}

.upload-progress { margin-top: 16px; text-align: center; }
.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  width: 0%;
  transition: width .3s;
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  z-index: 300;
  opacity: 0;
  transition: transform .3s, opacity .3s;
  pointer-events: none;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }

/* ---- Footer ---- */
.footer {
  text-align: center;
  padding: 20px;
  color: var(--text-3);
  font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
  }
  .card { padding: 8px; gap: 6px; }
  .card img { width: 56px; height: 56px; }
  .card-name { font-size: 10px; }
  .header-inner { padding: 10px 14px; }
  .toolbar { padding: 0 14px; }
  .grid-container { padding: 12px 14px 40px; }
  .logo { font-size: 17px; }
  .filter-tabs { gap: 4px; }
  .tab { padding: 5px 10px; font-size: 12px; }
}

@media (max-width: 380px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}