/* ===================================================
   📸 ImageHost - 图床系统样式表
   Designed for EdgeOne Pages
   =================================================== */

/* ---- CSS Variables (Light Theme) ---- */
:root {
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f0f2f5;
  --bg-overlay: rgba(0, 0, 0, 0.85);
  --text-primary: #1a1a2e;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --accent: #4f6ef7;
  --accent-hover: #3b5de7;
  --accent-light: rgba(79, 110, 247, 0.1);
  --border: #e9ecef;
  --border-light: #f0f2f5;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
  --nav-height: 64px;
  --max-width: 1600px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  outline: none;
  transition: var(--transition);
}

input, textarea {
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

/* ---- Scrollbar ---- */
::-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); }

/* ---- Navigation ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}
.nav-brand:hover { color: var(--accent); }

.nav-brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link:hover {
  background: var(--accent-light);
  color: var(--accent);
}
.nav-link.active {
  background: var(--accent-light);
  color: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 110, 247, 0.3);
}
.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: var(--border);
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 50%;
  width: 36px;
  height: 36px;
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}
.btn-icon {
  padding: 8px;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  background: var(--bg-hover);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.btn-icon:hover {
  background: var(--border);
  color: var(--text-primary);
}

.copy-btn {
  padding: 6px 12px;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.copy-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.copy-btn.copied {
  background: #10b981;
}

/* ---- Main Content ---- */
.main-content {
  padding-top: calc(var(--nav-height) + 24px);
  padding-bottom: 60px;
  min-height: 100vh;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Page Header ---- */
.page-header {
  text-align: center;
  padding: 40px 0 32px;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p {
  color: var(--text-secondary);
  margin-top: 8px;
  font-size: 16px;
}

/* ---- Stats Bar ---- */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 20px 0 32px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ---- Filter Bar ---- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 24px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
}
.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.search-box .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
}

.album-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.album-tab {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.album-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}
.album-tab.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ---- Image Grid / Masonry ---- */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  padding-bottom: 40px;
}

.image-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  break-inside: avoid;
}

.image-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.image-card .card-img {
  width: 100%;
  display: block;
  aspect-ratio: auto;
  object-fit: cover;
  transition: transform 0.5s ease;
  background: var(--bg-hover);
}

.image-card:hover .card-img {
  transform: scale(1.05);
}

.image-card .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}

.image-card:hover .card-overlay {
  opacity: 1;
}

.card-overlay .card-name {
  color: white;
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-overlay .card-size {
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  margin-top: 2px;
}

.card-actions {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: var(--transition);
}

.image-card:hover .card-actions {
  opacity: 1;
}

.card-action-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(0,0,0,0.5);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  backdrop-filter: blur(4px);
}
.card-action-btn:hover {
  background: var(--accent);
  transform: scale(1.1);
}

.card-label {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(0,0,0,0.5);
  color: white;
  backdrop-filter: blur(4px);
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  grid-column: 1 / -1;
}

.empty-state .empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 40px;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: white;
  border: none;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.lightbox-close:hover {
  background: rgba(255,255,255,0.25);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: white;
  border: none;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.lightbox-nav:hover {
  background: rgba(255,255,255,0.25);
}
.lightbox-nav.prev { left: -60px; }
.lightbox-nav.next { right: -60px; }

.lightbox-footer {
  position: absolute;
  bottom: -56px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.lightbox-footer .url-btn {
  padding: 8px 16px;
  border-radius: 8px;
  background: rgba(255,255,255,0.12);
  color: white;
  border: none;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  gap: 6px;
}
.lightbox-footer .url-btn:hover {
  background: var(--accent);
}

.lightbox-footer .url-btn.copied {
  background: #10b981;
}

.lightbox-info {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  position: absolute;
  bottom: -80px;
  text-align: center;
}

/* ---- Upload Page ---- */
.upload-section {
  max-width: 960px;
  margin: 0 auto;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 60px 20px;
  text-align: center;
  background: var(--bg-secondary);
  transition: var(--transition);
  cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.upload-zone .upload-icon {
  font-size: 48px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.upload-zone h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.upload-zone p {
  color: var(--text-secondary);
  font-size: 14px;
}

.upload-zone .upload-btn {
  display: inline-block;
  margin-top: 16px;
  padding: 12px 28px;
  background: var(--accent);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: var(--transition);
}
.upload-zone .upload-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.upload-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.upload-preview-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.upload-preview-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.upload-preview-item .remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Upload Progress ---- */
.upload-progress {
  margin-top: 24px;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-hover);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #8b5cf6);
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

.upload-status {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* ---- Settings / Config ---- */
.settings-section {
  max-width: 600px;
  margin: 0 auto;
}

.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 16px;
}

.settings-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.settings-card .help-text {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-group input[type="file"] {
  padding: 8px;
}

/* ---- Toast ---- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: var(--text-primary);
  color: white;
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.success { background: #10b981; }
.toast.error { background: #ef4444; }
.toast.info { background: var(--accent); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---- Loading ---- */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  grid-column: 1 / -1;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ---- Footer ---- */
.footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
}

.footer a { color: var(--text-secondary); }
.footer a:hover { color: var(--accent); }

/* ---- Auth Gate ---- */
.auth-gate {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: 24px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.auth-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.auth-card h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.auth-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
}

.auth-input-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-input-group input[type="password"] {
  text-align: center;
  letter-spacing: 1.5px;
}

.auth-btn {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  justify-content: center;
}

.auth-error {
  margin-top: 16px;
  padding: 10px 14px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  color: #dc2626;
  font-size: 14px;
  text-align: center;
}

.auth-setup-hint {
  margin-top: 20px;
  padding: 12px 16px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--accent);
  text-align: center;
  line-height: 1.5;
}

/* ---- Token Input ---- */
.token-input-wrap {
  display: flex;
  gap: 0;
}

.token-input-wrap input {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.token-toggle-btn {
  padding: 0 14px;
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--bg-hover);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: var(--transition);
  font-size: 16px;
}
.token-toggle-btn:hover {
  background: var(--border);
  color: var(--text-primary);
}

/* ---- Auth Gate Enhancements ---- */
.auth-repo-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 16px;
}

/* ---- Auth Field (unified input style) ---- */
.auth-field {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 15px;
  transition: var(--transition);
}
.auth-field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  outline: none;
}
.auth-field::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.auth-field[type="password"] {
  text-align: center;
  letter-spacing: 1.5px;
}

.auth-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 15px;
  transition: var(--transition);
}
.auth-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  outline: none;
}

.auth-row {
  display: flex;
  gap: 8px;
}
.auth-row .auth-field {
  flex: 1;
}

/* ---- Token Input Wrap ---- */
.auth-token-wrap {
  display: flex;
  gap: 0;
}
.auth-token-wrap .auth-field {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}
.auth-token-wrap .token-toggle-btn {
  padding: 0 14px;
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--bg-hover);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.auth-token-wrap .token-toggle-btn:hover {
  background: var(--border);
  color: var(--text-primary);
}

.auth-token-hint {
  font-size: 12px;
  color: var(--text-muted);
  text-align: left;
  margin-top: 0;
}
.auth-token-hint a {
  color: var(--accent);
}

.auth-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px;
}
.auth-loading .spinner {
  width: 24px;
  height: 24px;
  border-width: 2px;
}
.auth-loading .loading-text {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ---- KV Status ---- */
.kv-status {
  padding: 12px 16px;
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.kv-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent);
  color: white;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-left: auto;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-inner { padding: 0 16px; }
  .nav-links { gap: 0; }
  .nav-link { padding: 8px 10px; font-size: 13px; }
  .nav-link span { display: none; }

  .page-header h1 { font-size: 24px; }
  .page-header p { font-size: 14px; }

  .stats-bar { gap: 20px; }
  .stat-number { font-size: 22px; }

  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-box { max-width: 100%; }
  .album-tabs { justify-content: center; }

  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }

  .lightbox { padding: 16px; }
  .lightbox-nav.prev { left: 8px; }
  .lightbox-nav.next { right: 8px; }
  .lightbox-footer { gap: 4px; }
  .lightbox-footer .url-btn { font-size: 12px; padding: 6px 10px; }

  .upload-zone { padding: 40px 16px; }
}

@media (max-width: 480px) {
  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
  }
  .container { padding: 0 12px; }
}

/* ---- Skeleton Loading ---- */
.skeleton {
  background: linear-gradient(90deg, var(--bg-hover) 25%, var(--border) 50%, var(--bg-hover) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  aspect-ratio: 16/10;
  width: 100%;
}

/* ---- Image Detail Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 24px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: none;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.url-format-group {
  margin-bottom: 16px;
}

.url-format-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.url-input-group {
  display: flex;
  gap: 8px;
}

.url-input-group input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-hover);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-mono);
}
.url-input-group input:focus {
  border-color: var(--accent);
}

/* ---- Responsive fixes ---- */
@media (min-width: 1200px) {
  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (min-width: 1600px) {
  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  }
}

@media (min-width: 1920px) {
  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  }
  .container {
    padding: 0 40px;
  }
}