/* 海鸥相册后台 - 样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg: #0f1419;
    --bg2: #161b22;
    --bg3: #1f2630;
    --border: #2a3441;
    --text: #e6edf3;
    --muted: #7d8590;
    --primary: #5c7cfa;
    --primary-h: #748ffc;
    --success: #51cf66;
    --warning: #ffa94d;
    --danger: #ff6b6b;
    --shadow: 0 8px 24px rgba(0,0,0,0.4);
}
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at top, #1c2333, #0f1419 70%); }
.login-box { background: var(--bg2); border: 1px solid var(--border); padding: 40px; border-radius: 16px; width: 380px; box-shadow: var(--shadow); }
.login-logo { text-align: center; margin-bottom: 28px; }
.logo-text { font-size: 24px; font-weight: 700; color: var(--primary); letter-spacing: 4px; }
.logo-sub { font-size: 11px; color: var(--muted); letter-spacing: 2px; margin-top: 6px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 12px; }
.form-group input { width: 100%; padding: 11px 14px; background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; outline: none; transition: border-color 0.2s; }
.form-group input:focus { border-color: var(--primary); }
.err { color: var(--danger); margin-top: 12px; font-size: 13px; text-align: center; }

.btn { display: inline-block; padding: 8px 16px; background: var(--bg3); color: var(--text); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-size: 13px; transition: all 0.15s; }
.btn:hover { background: #2a3340; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); }
.btn-success { background: var(--success); border-color: var(--success); color: #08270f; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #2b1700; }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-block { width: 100%; padding: 12px; margin-top: 8px; }

.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; }
.sidebar-brand { padding: 20px; border-bottom: 1px solid var(--border); display: flex; flex-direction: column; gap: 4px; }
.brand-logo { font-size: 22px; font-weight: 700; color: var(--primary); letter-spacing: 3px; }
.brand-name { font-size: 12px; color: var(--muted); }
.nav { flex: 1; padding: 12px 8px; }
.nav a { display: flex; align-items: center; padding: 10px 14px; color: var(--muted); text-decoration: none; border-radius: 6px; cursor: pointer; margin-bottom: 4px; }
.nav a:hover { background: var(--bg3); color: var(--text); }
.nav a.active { background: var(--primary); color: #fff; }
.nav .badge { margin-left: auto; background: rgba(255,255,255,0.2); padding: 1px 8px; border-radius: 10px; font-size: 11px; }
.sidebar-foot { padding: 16px; border-top: 1px solid var(--border); }
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar { padding: 18px 24px; background: var(--bg2); border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.topbar h2 { font-size: 18px; }
.topbar-right { display: flex; gap: 10px; }
.search, .topbar-right select { padding: 7px 12px; background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; color: var(--text); outline: none; font-size: 13px; }
.search { width: 220px; }
.content { flex: 1; padding: 24px; overflow: auto; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-tile { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 20px; position: relative; overflow: hidden; }
.stat-tile::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; }
.stat-tile.primary::before { background: var(--primary); }
.stat-tile.success::before { background: var(--success); }
.stat-tile.warning::before { background: var(--warning); }
.stat-tile.danger::before { background: var(--danger); }
.stat-label { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.stat-value { font-size: 32px; font-weight: 700; }
.stat-value.small { font-size: 18px; }
.stat-foot { color: var(--muted); font-size: 11px; margin-top: 4px; }

.panel { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 20px; }
.panel-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.panel-head h3 { font-size: 15px; }
.panel-body { padding: 20px; }
.empty { text-align: center; color: var(--muted); padding: 40px; }

.tag-bar { margin-bottom: 14px; }
.tag-bar-label { display: flex; justify-content: space-between; margin-bottom: 5px; font-size: 13px; }
.tag-bar-track { background: var(--bg3); border-radius: 4px; height: 8px; overflow: hidden; }
.tag-bar-fill { background: linear-gradient(90deg, var(--primary), var(--success)); height: 100%; transition: width 0.3s; }

.thumbs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; }
.thumb-card { position: relative; aspect-ratio: 1; border-radius: 8px; overflow: hidden; cursor: pointer; background: var(--bg3); }
.thumb-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.thumb-card:hover img { transform: scale(1.08); }
.thumb-meta { position: absolute; bottom: 0; left: 0; right: 0; padding: 6px; background: linear-gradient(transparent, rgba(0,0,0,0.7)); }
.tag-pill { background: rgba(92,124,250,0.9); color: #fff; padding: 2px 8px; border-radius: 10px; font-size: 11px; }

.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; padding: 11px 12px; color: var(--muted); font-size: 12px; font-weight: 500; border-bottom: 1px solid var(--border); }
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.tbl tr:hover { background: var(--bg3); }
.row-thumb { width: 60px; height: 40px; object-fit: cover; border-radius: 4px; cursor: pointer; }
.ellipsis { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.muted { color: var(--muted); }
.pagination { display: flex; align-items: center; gap: 12px; justify-content: center; margin-top: 18px; }

.viewer { position: fixed; inset: 0; background: rgba(0,0,0,0.85); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 32px; }
.viewer-inner { width: 100%; height: 100%; background: var(--bg2); border-radius: 12px; display: flex; flex-direction: column; overflow: hidden; }
.viewer-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; }
.viewer-title { font-size: 15px; font-weight: 500; }
.viewer-sub { font-size: 12px; margin-top: 4px; }
.viewer-body { flex: 1; display: flex; align-items: center; justify-content: center; background: #000; overflow: auto; }
.viewer-body img { max-width: 100%; max-height: 100%; }

.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); padding: 12px 24px; border-radius: 8px; background: var(--bg3); color: var(--text); z-index: 200; box-shadow: var(--shadow); border: 1px solid var(--border); }
.toast.success { background: var(--success); color: #08270f; border-color: transparent; }
.toast.danger { background: var(--danger); color: #fff; border-color: transparent; }

.fade-enter-active, .fade-leave-active { transition: opacity 0.2s; }
.fade-enter-from, .fade-leave-to { opacity: 0; }