/* ═══════════════════════════════════════════════════════
   短视频营销AI系统 — Design System v2
   ═══════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --c-primary: #1A1A2E; --c-accent: #E94560; --c-blue: #0F3460;
  --c-teal: #11968A; --c-amber: #E69A28; --c-purple: #7C3AED; --c-green: #27AE60;
  --c-white: #fff; --c-bg: #f0f2f5; --c-card: #fff; --c-text: #2D3436;
  --c-muted: #8E949E; --c-border: #e1e4e8; --c-hover: #f5f6f8;
  --shadow-sm: 0 2px 4px rgba(0,0,0,.04); --shadow-md: 0 4px 20px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.1); --shadow-xl: 0 20px 60px rgba(0,0,0,.12);
  --radius: 10px; --radius-lg: 14px; --radius-xl: 20px; --radius-2xl: 24px;
  --gradient-blue: linear-gradient(135deg, #0F3460, #1a5276);
  --gradient-coral: linear-gradient(135deg, #E94560, #c0392b);
  --gradient-teal: linear-gradient(135deg, #11968A, #0d7a6f);
  --gradient-amber: linear-gradient(135deg, #E69A28, #c47f1a);
  --transition: .2s ease;
}

/* ── Reset & Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;color:var(--c-text);background:var(--c-bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--c-blue);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--c-accent)}

/* ── Navbar (Soft UI gradient) ── */
.navbar{background:var(--gradient-blue,linear-gradient(135deg,#0F3460,#1a5276));color:var(--c-white);padding:0 24px;height:54px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 4px 20px rgba(15,52,96,.25);position:sticky;top:0;z-index:1000;backdrop-filter:blur(10px)}
.nav-brand{font-size:16px;font-weight:700;letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:2px;overflow-x:auto}
.nav-links a{color:rgba(255,255,255,.75);padding:6px 12px;border-radius:6px;font-size:13px;transition:all var(--transition);white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1)}

/* ── Container ── */
.container{max-width:1320px;margin:0 auto;padding:20px 24px}
@media(max-width:768px){.container{padding:12px 16px}}

/* ── Cards ── */
.card{background:var(--c-card);border-radius:var(--radius-lg);padding:20px 24px;box-shadow:var(--shadow-sm);border:1px solid var(--c-border);margin-bottom:16px}
.card h3{margin-bottom:12px;font-size:16px;color:var(--c-primary);font-weight:600}
.card-sm{padding:12px 16px}
.card-full{grid-column:1/-1}

/* ── Stat Cards (Soft UI + Volt inspired) ── */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.stat-card{background:var(--c-card);border-radius:var(--radius-xl);padding:24px 20px;box-shadow:var(--shadow-sm);border:none;transition:all .3s ease;position:relative;overflow:hidden;display:flex;align-items:center;gap:16px}
.stat-card::after{content:"";position:absolute;top:0;right:0;width:80px;height:80px;border-radius:0 0 0 80px;opacity:.06;transition:all .3s}
.stat-card:nth-child(5n+1)::after{background:var(--c-accent)}
.stat-card:nth-child(5n+2)::after{background:var(--c-blue)}
.stat-card:nth-child(5n+3)::after{background:var(--c-teal)}
.stat-card:nth-child(5n+4)::after{background:var(--c-amber)}
.stat-card:nth-child(5n+5)::after{background:var(--c-purple)}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.stat-card:hover::after{width:100px;height:100px}
.stat-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;box-shadow:var(--shadow-sm)}
.stat-number{font-size:30px;font-weight:800;color:var(--c-primary);line-height:1.1}
.stat-label{font-size:11px;color:var(--c-muted);margin-top:2px;text-transform:uppercase;letter-spacing:.5px}
@media(max-width:480px){.stat-grid{grid-template-columns:repeat(2,1fr)}.stat-card{padding:16px 12px}}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:5px;padding:7px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--c-border);background:var(--c-white);color:var(--c-text);transition:all var(--transition);text-decoration:none;line-height:1.4}
.btn:hover{background:var(--c-hover);border-color:#c0c4cc}
.btn-primary{background:var(--c-blue);color:var(--c-white);border-color:var(--c-blue)}
.btn-primary:hover{background:#0a2540;border-color:#0a2540;color:var(--c-white)}
.btn-douyin{background:#111;border-color:#111;color:#fff}
.btn-douyin:hover{background:#333;color:#fff}
.btn-danger{background:var(--c-accent);color:var(--c-white);border-color:var(--c-accent)}
.btn-danger:hover{background:#c0392b;border-color:#c0392b;color:#fff}
.btn-warning{background:var(--c-amber);border-color:var(--c-amber);color:#fff}
.btn-warning:hover{background:#d4891a;border-color:#d4891a;color:#fff}
.btn-sm{padding:4px 10px;font-size:12px;border-radius:4px}
.btn-lg{padding:10px 24px;font-size:15px;border-radius:8px}
.btn-block{display:flex;width:100%;justify-content:center}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ── Forms ── */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--c-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.form-row{display:flex;gap:16px}
.form-row .form-group{flex:1}
input[type="text"],input[type="password"],input[type="email"],input[type="number"],input[type="date"],input[type="month"],input[type="url"],select,textarea{width:100%;padding:8px 12px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:13px;background:var(--c-white);color:var(--c-text);transition:all var(--transition);font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--c-blue);box-shadow:0 0 0 3px rgba(15,52,96,.1)}
textarea{resize:vertical;min-height:80px}

/* ── Tables (AdminLTE inspired) ── */
.table{width:100%;border-collapse:separate;border-spacing:0;background:var(--c-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.table th,.table td{padding:11px 16px;text-align:left;border-bottom:1px solid var(--c-border)}
.table thead th{background:var(--gradient-blue,linear-gradient(135deg,var(--c-primary),var(--c-blue)));color:var(--c-white);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;position:sticky;top:0;z-index:1}
.table thead th:first-child{border-radius:var(--radius-lg) 0 0 0}
.table thead th:last-child{border-radius:0 var(--radius-lg) 0 0}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:var(--c-hover)}
.table tbody tr:last-child td{border-bottom:none}
.table tbody td{font-size:13px}

/* ── Badges ── */
.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}
.badge-green{background:#f6ffed;color:#52c41a;border:1px solid #b7eb8f}
.badge-red{background:#fff2f0;color:#ff4d4f;border:1px solid #ffccc7}
.badge-blue{background:#e6f7ff;color:#1890ff;border:1px solid #91d5ff}
.badge-yellow{background:#fffbe6;color:#faad14;border:1px solid #ffe58f}

/* ── Alerts ── */
.alert{padding:10px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:13px}
.alert-error{background:#fff2f0;color:#cf1322;border:1px solid #ffccc7}

/* ── Page Header ── */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.page-header h1{font-size:22px;font-weight:700;color:var(--c-primary)}
@media(max-width:768px){.page-header h1{font-size:18px}}

/* ── Detail Grid ── */
.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:768px){.detail-grid{grid-template-columns:1fr}}

/* ── Back Nav ── */
.back-nav{margin-bottom:12px}
.back-btn{display:inline-block;padding:4px 12px;font-size:13px;color:var(--c-muted);border:1px solid var(--c-border);border-radius:4px;cursor:pointer;transition:all var(--transition)}
.back-btn:hover{color:var(--c-text);border-color:#bbb;background:var(--c-hover)}

/* ── Login ── */
.login-container{display:flex;justify-content:center;align-items:center;min-height:80vh}
.login-card{background:var(--c-card);padding:48px 40px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:400px;max-width:90vw;text-align:center}
.login-card h1{margin-bottom:8px}
.login-card .subtitle{color:var(--c-muted);margin-bottom:32px}
.login-card .hint{color:#bbb;font-size:12px;margin-top:16px}

/* ── Script Display ── */
.script-hook{background:#fff7e6;border-left:3px solid #fa8c16;padding:12px 16px;margin:12px 0;border-radius:4px;font-size:15px}

/* ── Empty State ── */
.empty-state{text-align:center;padding:60px 20px;color:var(--c-muted)}

/* ── Chat / CS ── */
.cs-row{cursor:pointer}
.ai-suggestion{color:var(--c-blue);font-style:italic}
.text-muted{color:var(--c-muted)}

/* ── Account Item ── */
.account-item{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--c-border)}
.account-item:last-child{border-bottom:none}

/* ── Animations ── */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(233,69,96,.4)}50%{box-shadow:0 0 0 8px rgba(233,69,96,0)}}

/* ── Mobile Responsive ── */
@media(max-width:768px){
  .container{padding:8px}
  .navbar{padding:0 10px;height:48px;flex-wrap:nowrap}
  .nav-brand{font-size:13px;flex-shrink:0}
  .nav-links{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;gap:0;flex-shrink:1;mask-image:linear-gradient(to right,black 85%,transparent 100%);-webkit-mask-image:linear-gradient(to right,black 85%,transparent 100%)}
  .nav-links a{font-size:10px;padding:4px 6px;border-radius:4px}
  .page-header{flex-direction:column;align-items:flex-start;gap:8px}
  .page-header h1{font-size:18px}
  .card{padding:12px}
  .table{font-size:11px;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .table th,.table td{padding:6px 8px;white-space:nowrap;font-size:11px}
  .calendar{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .calendar{display:none!important}
  .cal-mobile-list{display:block!important}
  .cal-cell{min-width:55px;font-size:10px;padding:4px 3px}
  .cal-date{font-size:10px}
  .cal-slot{padding:1px 2px;font-size:8px;gap:1px}
  .cal-slot .task-name{font-size:8px}
  .cal-slot .task-action{font-size:8px;padding:0}
  .form-row{flex-direction:column;gap:8px}
  .form-group{width:100%!important}
  form[style*="display:flex"]:not(.nav-links):not(.chat-compose-inner){flex-direction:column!important}
  .btn{padding:8px 14px;font-size:13px;touch-action:manipulation;min-height:36px}
  .btn-sm{padding:4px 8px;font-size:11px;min-height:30px}
  select,input,textarea{font-size:16px!important;max-width:100%!important}
  input[type="text"],input[type="password"],input[type="number"],input[type="date"],input[type="month"],input[type="url"],input[type="email"],select{height:40px}
  h3{font-size:15px}h4{font-size:13px}h2{font-size:18px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .stat-card{padding:14px 10px}
  .stat-number{font-size:24px}
  .detail-grid{grid-template-columns:1fr}
  #sch-forms,#sch-merchants,#sch-scripts{overflow-x:hidden}
  input[type="date"],input[type="month"]{min-height:40px}
  button[type="submit"]{min-height:40px;min-width:60px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)!important;gap:8px}
  .kpi-card{padding:12px;gap:10px}
  .kpi-value{font-size:22px}
  .kpi-icon{width:34px;height:34px;font-size:16px}
  .chart-row{grid-template-columns:1fr!important}
  .chart-card{padding:12px}
  .chart-wrap{height:200px}
  .data-table td,.data-table th{padding:8px 6px;font-size:11px}
  .quick-actions{grid-template-columns:1fr 1fr}
  .quick-btn{padding:10px;font-size:11px}
  .chat-layout{height:calc(100vh - 120px)!important;border-radius:0!important}
  .chat-sidebar{display:none!important}
  .chat-bubble{max-width:90%!important}
  .chat-compose textarea{font-size:14px!important}
  .gen-panel{grid-template-columns:1fr!important;padding:8px}
  .gen-card{padding:12px}
  .detail-grid{display:flex;flex-direction:column;gap:12px}
  .account-item{flex-wrap:wrap;gap:4px}
  /* 资料管家手机端：双栏改上下排列 */
  .docs-layout{flex-direction:column!important}
  .docs-layout>.card{width:100%!important;max-height:none!important;flex-shrink:1!important}
  .docs-layout>.card[style*=\"width\"]{width:100%!important}
  .page-header p{font-size:12px!important}
}

@media(max-width:480px){
  .nav-brand{font-size:11px}
  .nav-links a{font-size:8px;padding:3px 4px}
  .cal-cell{min-width:45px;font-size:8px}
  .container{padding:4px}
  .stat-grid{grid-template-columns:1fr}
  .kpi-grid{grid-template-columns:1fr!important}
  .page-header h1{font-size:16px}
  .btn{width:100%;justify-content:center;margin:2px 0}
  .btn-sm{width:auto}
  .table{font-size:10px}
  table{font-size:10px}
  .navbar{height:42px}
  .card{padding:8px}
  form{width:100%}
  .form-group{margin-bottom:8px}
  /* 全局表格横滚保护 */
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  /* 商家详情标签缩小 */
  .sch-tab{padding:6px 10px;font-size:11px}
  /* 设置页表单全宽 */
  .settings-form input,.settings-form select{width:100%!important}
  /* 内联表单元素全宽 */
  form[style*=\"display:flex\"]>input,form[style*=\"display:flex\"]>select{min-width:0!important}
}

/* ── Notification Bell ── */
.notif-bell{position:relative;cursor:pointer}
.notif-badge{position:absolute;top:-4px;right:-6px;background:var(--c-accent,#E94560);color:#fff;font-size:9px;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700}
.notif-dropdown{display:none;position:absolute;top:100%;right:0;width:320px;max-height:400px;overflow-y:auto;background:var(--c-card,#fff);border:1px solid var(--c-border);border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,.15);z-index:1001;padding:8px}
.notif-dropdown.show{display:block}
.notif-item{padding:8px 10px;border-radius:6px;font-size:12px;cursor:pointer;transition:background .15s}
.notif-item:hover{background:var(--c-hover)}
.notif-item .time{font-size:10px;color:var(--c-muted)}