/* 初蘅管理后台 — 品牌设计Token V2 */
:root {
  --brand-primary: #e8a598;
  --brand-primary-light: #f0c4bc;
  --brand-primary-lighter: #f6e0da;
  --brand-primary-lightest: #faf2ef;
  --brand-primary-dark: #c98274;
  --brand-secondary: #faf8f5;
  --brand-accent: #c9a86c;
  --brand-accent-light: #dcc494;
  --neutral-900: #2c2422;
  --neutral-800: #3d3331;
  --neutral-700: #544a48;
  --neutral-600: #6b6160;
  --neutral-500: #8a8180;
  --neutral-400: #a9a2a1;
  --neutral-300: #c9c4c3;
  --neutral-200: #e4e1e0;
  --neutral-100: #f0eeed;
  --neutral-50: #f7f6f5;
  --state-success: #5cb870;
  --state-warning: #e8a838;
  --state-error: #d45c5c;
  --state-info: #5a9fd4;
  --surface-base: #fff;
  --surface-raised: #faf8f5;
  --surface-card: #fff;
  --border-default: #e8e2de;
  --border-subtle: #f0eeed;

  --font-display: 'Noto Serif SC','STSong','SimSun',Georgia,serif;
  --font-body: 'PingFang SC','Microsoft YaHei',sans-serif;
  --font-en: 'Playfair Display','Cormorant Garamond',Georgia,serif;
  --font-num: 'DIN Alternate','SF Pro Display','Helvetica Neue',sans-serif;
  --font-mono: 'JetBrains Mono','Consolas',monospace;

  --sidebar-width: 220px;
  --sidebar-bg: #2c2422;
  --sidebar-text: #e4e1e0;
  --sidebar-active-bg: rgba(232,165,152,0.12);
  --sidebar-active-text: #e8a598;
  --topbar-height: 56px;

  --shadow-sm: 0 1px 2px rgba(44,36,34,0.04);
  --shadow-md: 0 2px 8px rgba(44,36,34,0.05);
  --shadow-lg: 0 4px 16px rgba(44,36,34,0.05);
  --radius-sm: 6px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px; --radius-full: 9999px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{font-family:var(--font-body);color:var(--neutral-900);background:var(--surface-raised);-webkit-font-smoothing:antialiased;min-width:1200px}

/* 三层布局 */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--sidebar-bg);z-index:300;display:flex;flex-direction:column}
.sidebar-brand{padding:24px 20px 32px}
.sidebar-brand-cn{font-family:var(--font-display);font-size:22px;font-weight:700;color:#fff;letter-spacing:4px;display:block}
.sidebar-brand-sub{font-size:11px;color:var(--sidebar-text);letter-spacing:2px;display:block;margin-top:4px}
.sidebar-nav{flex:1;padding:8px 0}
.sidebar-nav-item{display:flex;align-items:center;padding:12px 20px;color:var(--sidebar-text);font-size:14px;cursor:pointer;text-decoration:none;border-left:2px solid transparent;transition:all 0.2s;gap:12px}
.sidebar-nav-item:hover{background:rgba(255,255,255,0.04)}
.sidebar-nav-item.active{background:var(--sidebar-active-bg);color:var(--sidebar-active-text);border-left-color:var(--brand-primary)}
.sidebar-nav-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:16px}
.sidebar-user{padding:16px 20px;border-top:1px solid rgba(255,255,255,0.06);display:flex;align-items:center;gap:12px}
.sidebar-avatar{width:36px;height:36px;border-radius:50%;background:var(--brand-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:600;flex-shrink:0}
.sidebar-user-info{flex:1;min-width:0}
.sidebar-user-name{font-size:13px;color:#fff;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user-role{font-size:11px;color:var(--sidebar-text);display:block}
.sidebar-logout{margin-top:4px;font-size:11px;color:var(--sidebar-text);cursor:pointer;text-decoration:none}
.sidebar-logout:hover{color:#fff}

.topbar{position:fixed;left:var(--sidebar-width);top:0;right:0;height:var(--topbar-height);background:#fff;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:200}
.breadcrumb{font-size:13px;color:var(--neutral-500);display:flex;align-items:center;gap:8px}
.breadcrumb a{color:var(--neutral-500);text-decoration:none}
.breadcrumb a:hover{color:var(--neutral-900)}
.breadcrumb span{color:var(--neutral-900);font-weight:500}
.topbar-right{display:flex;align-items:center;gap:20px}
.topbar-search{width:200px;height:32px;border:1px solid var(--border-default);border-radius:var(--radius-full);padding:0 14px;font-size:13px;outline:none}
.topbar-search:focus{border-color:var(--brand-primary)}
.topbar-notif{position:relative;cursor:pointer;font-size:18px}
.topbar-notif-dot{position:absolute;top:-2px;right:2px;width:8px;height:8px;background:var(--state-error);border-radius:50%}

.content{margin-left:var(--sidebar-width);margin-top:var(--topbar-height);padding:24px;min-height:calc(100vh - var(--topbar-height))}

/* 组件 */
.card{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);padding:24px;margin-bottom:16px}
.page-title{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--neutral-900);margin-bottom:4px}
.page-subtitle{font-size:13px;color:var(--neutral-500);margin-bottom:24px}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}

.btn{padding:8px 20px;border-radius:var(--radius-full);font-size:13px;font-weight:500;cursor:pointer;border:none;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.btn-primary{background:var(--neutral-900);color:#fff}
.btn-primary:hover{background:var(--neutral-800)}
.btn-secondary{background:var(--brand-primary);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--neutral-900);color:var(--neutral-900)}
.btn-sm{padding:4px 12px;font-size:12px}
.btn-danger{color:var(--state-error);border-color:var(--state-error)}
.btn-success{background:var(--state-success);color:#fff}

table{width:100%;border-collapse:collapse}
thead th{background:var(--surface-raised);font-size:12px;color:var(--neutral-500);font-weight:500;text-align:left;padding:12px 16px;border-bottom:1px solid var(--border-subtle)}
tbody td{padding:14px 16px;border-bottom:1px solid var(--border-subtle);font-size:13px}
tbody tr:hover{background:#fdfcfc}

.badge{display:inline-block;padding:2px 10px;border-radius:var(--radius-full);font-size:11px;font-weight:500}
.badge-success{background:rgba(92,184,112,0.1);color:var(--state-success)}
.badge-warning{background:rgba(232,168,56,0.1);color:var(--state-warning)}
.badge-error{background:rgba(212,92,92,0.1);color:var(--state-error)}
.badge-muted{background:var(--neutral-100);color:var(--neutral-500)}
.badge-pink{background:var(--brand-primary-lightest);color:var(--brand-primary-dark)}
.badge-gold{background:var(--brand-accent);color:#fff}
.badge-silver{background:var(--neutral-500);color:#fff}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);padding:20px 24px;display:flex;align-items:center;gap:16px}
.stat-icon{width:44px;height:44px;border-radius:50%;background:var(--neutral-100);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.stat-value{font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--neutral-900);display:block}
.stat-label{font-size:12px;color:var(--neutral-500);display:block;margin-top:2px}
.stat-trend{font-size:12px;margin-top:4px}
.trend-up{color:var(--state-success)}
.trend-down{color:var(--state-error)}

.tabs{display:flex;gap:0;border-bottom:1px solid var(--border-subtle);margin-bottom:20px}
.tab{padding:10px 20px;font-size:13px;color:var(--neutral-500);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.active{color:var(--neutral-900);font-weight:600;border-bottom-color:var(--neutral-900)}
.tab .tab-badge{display:inline-block;background:var(--state-error);color:#fff;font-size:10px;min-width:16px;height:16px;line-height:16px;text-align:center;border-radius:50%;padding:0 4px;margin-left:6px;font-weight:700}

.form-group{margin-bottom:20px}
.form-label{font-size:13px;color:var(--neutral-700);font-weight:500;display:block;margin-bottom:6px}
.form-label .required{color:var(--state-error);margin-left:2px}
.form-input{width:100%;height:40px;border:1px solid var(--border-default);border-radius:var(--radius-md);padding:0 12px;font-size:13px;outline:none;font-family:var(--font-body)}
.form-input:focus{border-color:var(--brand-primary)}
.form-input.readonly{background:var(--neutral-50);color:var(--neutral-400)}
textarea.form-input{height:80px;padding:10px 12px;resize:vertical}
select.form-input{appearance:none;padding-right:32px;background:url(\"data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b6160' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>\") no-repeat right 12px center}

.dual-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}

.pagination{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.pagination-info{font-size:13px;color:var(--neutral-500)}
.pagination-btns{display:flex;gap:8px}
.pagination-btns button{width:32px;height:32px;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:#fff;font-size:13px;cursor:pointer;color:var(--neutral-600)}
.pagination-btns button.active{background:var(--neutral-900);color:#fff;border-color:var(--neutral-900)}

.sub-nav{display:flex;flex-direction:column;gap:0}
.sub-nav-item{display:flex;align-items:center;padding:10px 16px;font-size:13px;color:var(--neutral-600);cursor:pointer;text-decoration:none;border-radius:var(--radius-md);gap:8px}
.sub-nav-item:hover{background:var(--neutral-50)}
.sub-nav-item.active{background:var(--brand-primary-lightest);color:var(--brand-primary-dark);font-weight:500}

.empty-state{text-align:center;padding:60px 0;color:var(--neutral-400)}