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

:root {
  --primary: #2ecc71;
  --primary-dark: #27ae60;
  --primary-light: #e8f8f0;
  --bg: #f0f2f5;
  --card-bg: #fff;
  --text: #333;
  --text-light: #666;
  --text-lighter: #999;
  --border: #e8e8e8;
  --danger: #e74c3c;
  --warning: #f39c12;
  --info: #3498db;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
}

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; }

/* ===== Login ===== */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1a5276, #2ecc71); }
.login-box { background: #fff; border-radius: 12px; padding: 40px; width: 360px; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,0.15); }
.login-logo { font-size: 32px; font-weight: 700; color: var(--primary); letter-spacing: 4px; }
.login-subtitle { color: var(--text-light); margin-top: 8px; margin-bottom: 32px; font-size: 15px; }
.login-form input { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; margin-bottom: 16px; transition: border-color .2s; }
.login-form input:focus { outline: none; border-color: var(--primary); }
.btn-primary { width: 100%; padding: 12px; background: var(--primary); color: #fff; border: none; border-radius: 8px; font-size: 16px; cursor: pointer; transition: background .2s; }
.btn-primary:hover { background: var(--primary-dark); }
.login-hint { margin-top: 20px; color: var(--text-lighter); font-size: 12px; }

/* ===== Layout ===== */
.main-layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: #1a252f; color: #fff; display: flex; flex-direction: column; position: fixed; height: 100vh; z-index: 100; }
.sidebar-logo { padding: 24px 20px; font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: 3px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-item { display: flex; align-items: center; padding: 12px 24px; color: rgba(255,255,255,0.65); cursor: pointer; transition: all .2s; text-decoration: none; font-size: 14px; }
.nav-item:hover { color: #fff; background: rgba(255,255,255,0.05); }
.nav-item.active { color: #fff; background: rgba(46,204,113,0.15); border-left: 3px solid var(--primary); padding-left: 21px; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,0.5); }
.btn-text { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 13px; }

.content { flex: 1; margin-left: 220px; display: flex; flex-direction: column; min-height: 100vh; }
.content-header { background: #fff; padding: 16px 24px; box-shadow: var(--shadow); position: sticky; top: 0; z-index: 50; }
.content-header h1 { font-size: 18px; font-weight: 600; }
.page-content { padding: 24px; flex: 1; }

/* ===== Cards & Tables ===== */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card-bg); border-radius: 8px; padding: 20px; box-shadow: var(--shadow); }
.stat-card .stat-label { color: var(--text-light); font-size: 13px; margin-bottom: 8px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; }
.stat-card .stat-extra { font-size: 12px; color: var(--text-lighter); margin-top: 4px; }
.stat-card.green .stat-value { color: var(--primary); }
.stat-card.blue .stat-value { color: var(--info); }
.stat-card.orange .stat-value { color: var(--warning); }
.stat-card.red .stat-value { color: var(--danger); }

.card { background: var(--card-bg); border-radius: 8px; box-shadow: var(--shadow); margin-bottom: 16px; overflow: hidden; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-header h2 { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 12px 16px; background: #fafafa; color: var(--text-light); font-weight: 500; white-space: nowrap; border-bottom: 1px solid var(--border); }
td { padding: 12px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; }
tr:hover td { background: #fafbfc; }

/* ===== Buttons ===== */
.btn { padding: 6px 16px; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-size: 13px; background: #fff; transition: all .2s; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-primary-sm { padding: 4px 10px; font-size: 12px; background: var(--primary); color: #fff; border: none; border-radius: 4px; cursor: pointer; }
.btn-primary-sm:hover { background: var(--primary-dark); }
.btn-outline-sm { padding: 4px 10px; font-size: 12px; background: #fff; color: var(--primary); border: 1px solid var(--primary); border-radius: 4px; cursor: pointer; }
.btn-outline-sm:hover { background: var(--primary-light); }
.ml-auto { margin-left: auto; }
.btn-danger { color: var(--danger); border-color: var(--border); }
.btn-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-warning { color: var(--warning); }
.btn-info { color: var(--info); }

/* ===== Tags / Badges ===== */
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 500; }
.tag-ssr { background: #fde8e8; color: #e74c3c; }
.tag-sr { background: #f3e8f7; color: #9b59b6; }
.tag-r { background: #e8f0fb; color: #3498db; }
.tag-green { background: var(--primary-light); color: var(--primary-dark); }
.tag-orange { background: #fef5e7; color: var(--warning); }
.tag-blue { background: #ebf5fb; color: var(--info); }
.tag-gray { background: #f0f0f0; color: var(--text-light); }
.tag-red { background: #fde8e8; color: var(--danger); }

/* Status indicators */
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 6px; }
.status-on { background: var(--primary); }
.status-off { background: #ccc; }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--text-light); font-size: 13px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; transition: border-color .2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

/* ===== Modal ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.45); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal-box { background: #fff; border-radius: 8px; width: 600px; max-width: 90vw; max-height: 85vh; display: flex; flex-direction: column; }
.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-header span { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-lighter); }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 12px; }

/* ===== 分类管理 ===== */
.cat-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; max-height: 50vh; overflow-y: auto; }
.cat-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-soft); }
.cat-name { font-size: 14px; font-weight: 500; color: var(--text); }
.cat-actions { display: flex; align-items: center; gap: 10px; }

/* ===== Toolbar ===== */
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar input, .toolbar select { padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.toolbar input:focus, .toolbar select:focus { outline: none; border-color: var(--primary); }
.search-input { min-width: 200px; }

/* ===== Pagination ===== */
.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 16px; }
.pagination button { padding: 6px 12px; border: 1px solid var(--border); border-radius: 4px; background: #fff; cursor: pointer; font-size: 13px; }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== IP Card Grid ===== */
.ip-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.ip-card { background: #fff; border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; transition: transform .2s, box-shadow .2s; }
.ip-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.ip-card-header { height: 100px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; font-weight: 700; letter-spacing: 2px; position: relative; }
.ip-card-header .ip-status { position: absolute; top: 8px; right: 8px; }
.ip-card-body { padding: 16px; }
.ip-card-body .ip-name { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.ip-card-body .ip-desc { font-size: 12px; color: var(--text-light); margin-bottom: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ip-card-body .ip-meta { display: flex; align-items: center; justify-content: space-between; }
.ip-card-body .ip-price { font-size: 18px; font-weight: 700; color: var(--danger); }
.ip-card-body .ip-price::before { content: '¥'; font-size: 12px; }
.ip-card-actions { padding: 0 16px 16px; display: flex; gap: 8px; align-items: center; }

/* ===== Sort buttons ===== */
.ip-sort-badge { position: absolute; top: 8px; left: 8px; background: rgba(0,0,0,0.35); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 4px; font-weight: 400; letter-spacing: 0; }
.sort-btns { display: flex; flex-direction: column; gap: 2px; margin-right: auto; }
.sort-btn { width: 28px; height: 22px; padding: 0; font-size: 10px; line-height: 1; display: flex; align-items: center; justify-content: center; }
.sort-btn:disabled, .btn-disabled { opacity: 0.3; cursor: not-allowed; }
.ip-sort-tip { font-size: 12px; color: var(--text-lighter); margin-bottom: 12px; padding: 6px 12px; background: var(--primary-light); border-radius: 6px; }

/* ===== User Detail ===== */
.user-detail-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.user-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--primary); }
.user-info h3 { font-size: 18px; }
.user-info .user-meta { color: var(--text-light); font-size: 13px; margin-top: 4px; }
.tab-bar { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 16px; }
.tab-bar .tab-item { padding: 10px 20px; cursor: pointer; font-size: 14px; color: var(--text-light); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab-bar .tab-item.active { color: var(--primary); border-color: var(--primary); font-weight: 600; }
.cabinet-filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; }
.cabinet-filter { border: 1px solid var(--border); background: #fff; color: var(--text-light); border-radius: 6px; padding: 6px 10px; font-size: 13px; cursor: pointer; }
.cabinet-filter:hover { border-color: var(--primary); color: var(--primary); }
.cabinet-filter.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); font-weight: 600; }

/* ===== Banner Card ===== */
.banner-item { display: flex; align-items: center; gap: 16px; padding: 16px; background: #fff; border-radius: 8px; box-shadow: var(--shadow); margin-bottom: 12px; }
.banner-item .banner-img { width: 120px; height: 60px; border-radius: 6px; background: var(--bg); display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0; }
.banner-item .banner-img img { width: 100%; height: 100%; object-fit: cover; }
.banner-item .banner-info { flex: 1; }
.banner-item .banner-title { font-weight: 600; margin-bottom: 4px; }
.banner-item .banner-sub { font-size: 12px; color: var(--text-light); }
.color-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; border: 1px solid #ddd; vertical-align: middle; margin: 0 2px; }

/* ===== Toast ===== */
.toast { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background: #333; color: #fff; padding: 12px 24px; border-radius: 8px; z-index: 2000; font-size: 14px; box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.toast.success { background: var(--primary); }
.toast.error { background: var(--danger); }

/* ===== Misc ===== */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-lighter); }
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.text-primary { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-muted { color: var(--text-lighter); }
.fw-700 { font-weight: 700; }
.cursor-pointer { cursor: pointer; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mb-16 { margin-bottom: 16px; }
.mt-16 { margin-top: 16px; }
.text-center { text-align: center; }
.upload-preview { width: 100%; max-height: 200px; object-fit: contain; border-radius: 6px; margin-top: 8px; }
.upload-area { border: 2px dashed var(--border); border-radius: 8px; padding: 20px; text-align: center; cursor: pointer; transition: border-color .2s; }
.upload-area:hover { border-color: var(--primary); }
.upload-area .upload-icon { font-size: 32px; color: var(--text-lighter); }
.upload-area .upload-text { color: var(--text-light); font-size: 13px; margin-top: 8px; }