/* ============================================================
   cdn.tsvr.asia — 管理后台样式表 (玻璃拟物设计)
   ============================================================ */

:root {
    --bg: #f0f4fa; --glass: rgba(255,255,255,0.55); --glass-hover: rgba(255,255,255,0.75);
    --glass-border: rgba(255,255,255,0.6); --glass-shadow: 0 8px 32px rgba(149,184,231,0.18);
    --text: #1a2b40; --text-dim: #6b7d95; --accent: #4d94ff; --accent-glow: rgba(77,148,255,0.25);
    --success: #22c55e; --warning: #f59e0b; --danger: #ef4444;
    --radius: 20px; --radius-sm: 14px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}
.bg-layer{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-blob{position:absolute;border-radius:50%;filter:blur(100px);opacity:0.55;animation:float 18s ease-in-out infinite}
.bg-blob--1{width:520px;height:520px;background:radial-gradient(circle,#bfdbfe 0%,#93c5fd 40%,transparent 70%);top:-120px;right:-80px}
.bg-blob--2{width:380px;height:380px;background:radial-gradient(circle,#a5d6ff 0%,#7ec8ff 40%,transparent 70%);bottom:-80px;left:-60px;animation-delay:-6s}
.bg-blob--3{width:300px;height:300px;background:radial-gradient(circle,#d4e6ff 0%,#add8ff 40%,transparent 70%);top:45%;left:50%;transform:translate(-50%,-50%);animation-delay:-12s;opacity:0.35}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(0.96)}}
.app{position:relative;z-index:1;max-width:960px;margin:0 auto;padding:24px 24px 80px}

.header{text-align:center;padding:24px 0 28px}
.header .logo{display:inline-flex;align-items:center;gap:10px;font-size:24px;font-weight:800;color:var(--text);text-decoration:none;margin-bottom:6px}
.header .logo .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent-glow);animation:pulse-dot 2.2s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{box-shadow:0 0 14px var(--accent-glow)}50%{box-shadow:0 0 28px rgba(77,148,255,0.45)}}
.header .subtitle{color:var(--text-dim);font-size:14px}

/* 登录 */
.login-box{
    backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
    background:rgba(255,255,255,0.8);border:1px solid var(--glass-border);border-radius:var(--radius);
    padding:40px 32px;max-width:400px;margin:60px auto;box-shadow:0 20px 60px rgba(149,184,231,0.3);text-align:center
}
.login-box h2{font-size:22px;margin-bottom:20px}
.login-box input{width:100%;padding:14px 18px;border-radius:12px;border:1px solid rgba(148,163,184,0.3);font-size:15px;outline:none;background:rgba(255,255,255,0.5);font-family:inherit;margin-bottom:16px;transition:border-color 0.3s}
.login-box input:focus{border-color:var(--accent)}
.login-box .err{color:var(--danger);font-size:13px;margin-bottom:8px;min-height:20px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:10px;font-size:13px;font-weight:600;border:1px solid var(--glass-border);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);background:rgba(255,255,255,0.45);color:var(--text);cursor:pointer;transition:all 0.25s;text-decoration:none;white-space:nowrap;font-family:inherit}
.btn:hover{background:rgba(255,255,255,0.75);border-color:var(--accent)}
.btn--primary{background:linear-gradient(135deg,#4d94ff,#6aa8ff);border-color:transparent;color:#fff;box-shadow:0 4px 16px rgba(77,148,255,0.3)}
.btn--primary:hover{box-shadow:0 6px 24px rgba(77,148,255,0.4);transform:translateY(-1px)}
.btn--danger{background:rgba(239,68,68,0.08);border-color:rgba(239,68,68,0.3);color:var(--danger)}
.btn--danger:hover{background:rgba(239,68,68,0.15);border-color:var(--danger)}
.btn--sm{padding:6px 12px;font-size:12px;border-radius:8px}
.btn--full{width:100%;justify-content:center;padding:14px}

/* 顶栏 */
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:10px}
.topbar h1{font-size:18px;font-weight:700}
.topbar .actions{display:flex;gap:8px;flex-wrap:wrap}

/* 统计卡 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}
@media(max-width:800px){.stats{grid-template-columns:repeat(3,1fr)}}
@media(max-width:500px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat-card{
    backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);
    background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-sm);
    padding:18px 16px;text-align:center;box-shadow:var(--glass-shadow)
}
.stat-card .num{font-size:28px;font-weight:800;color:var(--accent)}
.stat-card .label{font-size:12px;color:var(--text-dim);margin-top:4px;font-weight:500}
.stat-card.warn .num{color:var(--warning)}
.stat-card.danger .num{color:var(--danger)}

/* Tab */
.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.tab{
    padding:8px 16px;border-radius:99px;font-size:12px;font-weight:600;cursor:pointer;
    backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);
    background:rgba(255,255,255,0.4);border:1px solid var(--glass-border);color:var(--text-dim);
    transition:all 0.25s;font-family:inherit
}
.tab:hover{background:rgba(255,255,255,0.7);color:var(--text)}
.tab.active{background:linear-gradient(135deg,rgba(77,148,255,0.12),rgba(122,180,255,0.18));border-color:rgba(77,148,255,0.35);color:var(--accent)}

/* 面板 */
.panel{
    backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);
    background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);
    padding:24px;box-shadow:var(--glass-shadow);margin-bottom:20px
}
.panel h3{font-size:15px;font-weight:700;margin-bottom:16px}

/* 表格 */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:10px 12px;font-weight:600;color:var(--text-dim);font-size:11px;text-transform:uppercase;letter-spacing:0.5px;border-bottom:1px solid rgba(148,163,184,0.2);white-space:nowrap}
td{padding:10px 12px;border-bottom:1px solid rgba(148,163,184,0.1);white-space:nowrap}
tr:hover td{background:rgba(77,148,255,0.04)}
td.name{max-width:200px;overflow:hidden;text-overflow:ellipsis}
.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:600}
.badge--safe{background:rgba(34,197,94,0.12);color:#15803d}
.badge--warn{background:rgba(245,158,11,0.12);color:#b45309}
.badge--danger{background:rgba(239,68,68,0.12);color:#dc2626}
.badge--info{background:rgba(77,148,255,0.12);color:var(--accent)}

/* 分页 */
.pagination{display:flex;gap:6px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.pagination button{padding:6px 12px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;border:1px solid var(--glass-border);background:rgba(255,255,255,0.4);color:var(--text);font-family:inherit;transition:all 0.2s}
.pagination button:hover{background:rgba(255,255,255,0.7);border-color:var(--accent)}
.pagination button.active{background:var(--accent);color:#fff;border-color:transparent}
.pagination button:disabled{opacity:0.4;cursor:default}

/* Toast */
.toast-container{position:fixed;top:28px;right:28px;z-index:999;display:flex;flex-direction:column;gap:10px}
.toast{
    backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
    background:rgba(255,255,255,0.7);border:1px solid var(--glass-border);
    border-radius:var(--radius-sm);padding:14px 22px;font-size:14px;
    display:flex;align-items:center;gap:10px;font-weight:500;
    box-shadow:0 8px 32px rgba(149,184,231,0.2);animation:slideIn 0.35s;min-width:260px
}
.toast.success{border-left:3px solid var(--success)}
.toast.error{border-left:3px solid var(--danger)}
@keyframes slideIn{from{opacity:0;transform:translateX(50px)}to{opacity:1;transform:translateX(0)}}

.empty{text-align:center;padding:40px;color:var(--text-dim);font-size:14px}
.loading{text-align:center;padding:40px;color:var(--text-dim)}

/* 商品管理 */
.collect-row{display:flex;gap:8px;align-items:center;margin-bottom:10px}
.collect-row input{flex:1;padding:10px 14px;border-radius:10px;border:1px solid rgba(148,163,184,0.3);font-size:13px;outline:none;background:rgba(255,255,255,0.5);font-family:inherit;transition:border-color 0.3s}
.collect-row input:focus{border-color:var(--accent)}
.collect-status{font-size:13px;color:var(--text-dim);margin-bottom:12px;min-height:18px;word-break:break-all}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0 20px}
@media(max-width:600px){.form-grid{grid-template-columns:1fr}}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field--full{grid-column:1/-1}
.form-field label{font-size:11px;font-weight:700;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.5px}
.form-field input,.form-field select{padding:10px 14px;border-radius:10px;border:1px solid rgba(148,163,184,0.3);font-size:13px;outline:none;background:rgba(255,255,255,0.5);font-family:inherit;transition:border-color 0.3s;color:var(--text)}
.form-field input:focus,.form-field select:focus{border-color:var(--accent)}
.product-thumb{width:40px;height:40px;border-radius:8px;object-fit:cover;flex-shrink:0;background:#fff;border:1px solid var(--glass-border)}