/* ===== Variables ===== */
:root {
  --primary: #0EA5E9; --primary-light: #38BDF8; --primary-dark: #0284C7;
  --accent: #06D6A0; --accent-light: #2AEDB8;
  --bg-dark: #0A0E1A; --bg-sidebar: #0C1020; --bg-card: #111827;
  --bg-card-hover: #1A2235; --bg-input: #151C2E;
  --text-primary: #F1F5F9; --text-secondary: #94A3B8; --text-muted: #64748B;
  --border: rgba(14,165,233,0.12); --border-light: rgba(14,165,233,0.06);
  --gradient: linear-gradient(135deg, #0EA5E9, #06D6A0);
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; --radius-xl: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --sidebar-w: 196px;
  --danger: #ef4444; --warning: #f59e0b; --success: #06D6A0; --info: #0EA5E9;
}
/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg-dark);color:var(--text-primary);line-height:1.6;overflow:hidden;height:100vh;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.15)}

/* ===== Login Page ===== */
.login-page{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:100}
.login-bg{position:absolute;inset:0;background:var(--bg-dark);overflow:hidden}
.login-orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:0.12}
.login-orb-1{width:500px;height:500px;background:var(--primary);top:-150px;right:-100px}
.login-orb-2{width:400px;height:400px;background:var(--accent);bottom:-100px;left:-80px}
.login-card{position:relative;width:400px;max-width:90vw;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:48px 40px;box-shadow:var(--shadow)}
.login-logo{display:flex;align-items:center;gap:6px;font-weight:700;font-size:1.4rem;margin-bottom:8px}
.logo-text{letter-spacing:-0.02em}
.logo-divider{color:var(--text-muted);opacity:0.4;font-size:0.9rem;margin:0 4px}
.logo-sub{font-size:0.9rem;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:600}
.login-desc{color:var(--text-muted);font-size:0.9rem;margin-bottom:32px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:0.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border);color:var(--text-primary);font-size:0.9rem;outline:none;transition:var(--transition)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,165,233,0.1)}
.form-group input::placeholder{color:var(--text-muted)}
.code-input-row{display:flex;gap:10px}
.code-input-row input{flex:1}
.btn-send-code{padding:10px 16px;border-radius:var(--radius-md);background:rgba(14,165,233,0.1);border:1px solid rgba(14,165,233,0.2);color:var(--primary-light);font-size:0.85rem;font-weight:500;white-space:nowrap;transition:var(--transition)}
.btn-send-code:hover{background:rgba(14,165,233,0.2)}
.btn-login{width:100%;padding:12px;border-radius:var(--radius-md);background:var(--gradient);color:#fff;font-weight:600;font-size:0.95rem;margin-top:8px;transition:var(--transition);box-shadow:0 4px 16px rgba(14,165,233,0.3)}
.btn-login:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(14,165,233,0.4)}
.login-hint{text-align:center;color:var(--text-muted);font-size:0.78rem;margin-top:20px}
/* 免费体验入口：右上角悬浮，玻璃拟态，与登录页深色光晕背景协调 */
.login-demo-btn{position:fixed;top:22px;right:26px;z-index:101;display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:100px;cursor:pointer;font-size:0.84rem;font-weight:600;color:rgba(255,255,255,0.88);background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.14);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:all 0.22s ease;box-shadow:0 4px 18px rgba(0,0,0,0.25)}
.login-demo-btn:hover{color:#fff;background:linear-gradient(135deg,rgba(79,110,247,0.5),rgba(6,214,160,0.4));border-color:rgba(79,110,247,0.55);box-shadow:0 6px 26px rgba(79,110,247,0.35);transform:translateY(-1px)}
.login-demo-btn:active{transform:translateY(0)}
.login-demo-btn svg{opacity:0.85}

/* ===== Layout ===== */
.ca-app{display:flex;height:100vh;overflow:hidden}

/* Sidebar */
.ca-sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}
.ca-sidebar-header{padding:20px 18px 16px;display:flex;align-items:center;gap:6px;font-weight:700;font-size:1.1rem;border-bottom:1px solid var(--border-light)}
.ca-sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.ca-nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-md);font-size:0.88rem;color:var(--text-secondary);transition:var(--transition);position:relative;cursor:pointer}
.ca-nav-item:hover{background:rgba(255,255,255,0.04);color:var(--text-primary)}
.ca-nav-item.active{background:rgba(14,165,233,0.1);color:var(--primary-light);font-weight:500}
.ca-nav-item.active::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--gradient);border-radius:0 3px 3px 0}
.ca-nav-item svg{flex-shrink:0;opacity:0.7}
.ca-nav-item.active svg{opacity:1}
.ca-nav-divider{height:1px;background:var(--border-light);margin:8px 14px}
.ca-nav-badge{margin-left:auto;padding:2px 8px;border-radius:100px;font-size:0.72rem;font-weight:600;background:rgba(239,68,68,0.15);color:var(--danger)}
.ca-sidebar-footer{padding:14px 16px;border-top:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}
.ca-tenant-info{display:flex;align-items:center;gap:10px}
.ca-tenant-avatar{width:32px;height:32px;border-radius:50%;background:rgba(14,165,233,0.15);display:flex;align-items:center;justify-content:center;font-size:0.8rem;font-weight:600;color:var(--primary-light)}
.ca-tenant-name{font-size:0.85rem;font-weight:500}
.ca-tenant-plan{font-size:0.72rem;color:var(--text-muted)}
.ca-btn-logout{padding:6px;border-radius:var(--radius-sm);color:var(--text-muted);transition:var(--transition)}
.ca-btn-logout:hover{background:rgba(239,68,68,0.1);color:var(--danger)}

/* Main Content */
.ca-main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.ca-topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 28px;border-bottom:1px solid var(--border-light);flex-shrink:0}
.ca-page-title{font-size:1.2rem;font-weight:700}
.ca-page-desc{font-size:0.82rem;color:var(--text-muted);margin-left:12px}
.ca-topbar-right{display:flex;align-items:center;gap:16px}
.ca-quota-badge{display:flex;align-items:center;gap:10px;padding:6px 14px;border-radius:var(--radius-md);background:rgba(14,165,233,0.06);border:1px solid var(--border-light)}
.ca-quota-label{font-size:0.78rem;color:var(--text-muted)}
.ca-quota-bar{width:80px;height:6px;background:rgba(255,255,255,0.06);border-radius:3px;overflow:hidden}
.ca-quota-fill{height:100%;border-radius:3px;background:var(--gradient);transition:width 0.8s ease}
.ca-quota-text{font-size:0.82rem;font-weight:600;color:var(--primary-light)}
.ca-page-container{flex:1;overflow-y:auto;padding:16px 28px 28px}
/* 用量页：最后更新时间条 + 「刷新数据」按钮（按钮在"使用明细"卡片标题右侧） */
.ca-usage-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:12px;padding:10px 14px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border);font-size:0.82rem}
.ca-usage-bar .ca-usage-updated{color:var(--primary-light)}

/* ===== Common Components ===== */
/* Stat Cards */
.ca-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.ca-stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;transition:var(--transition)}
.ca-stat:hover{border-color:var(--primary);transform:translateY(-2px)}
.ca-stat .stat-label{font-size:0.82rem;color:var(--text-muted);margin-bottom:8px}
.ca-stat .stat-value{font-size:1.8rem;font-weight:800;letter-spacing:-0.02em}
.ca-stat .stat-change{font-size:0.78rem;margin-top:6px;display:flex;align-items:center;gap:4px}
.ca-stat .stat-change.up{color:var(--accent)}
.ca-stat .stat-change.down{color:var(--danger)}
.stat-icon{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.stat-icon.cyan{background:rgba(14,165,233,0.1);color:var(--info)}
.stat-icon.green{background:rgba(6,214,160,0.1);color:var(--accent)}
.stat-icon.purple{background:rgba(139,92,246,0.1);color:#a78bfa}
.stat-icon.orange{background:rgba(245,158,11,0.1);color:var(--warning)}

/* Section Card */
.ca-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:20px}
.ca-card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border-light)}

/* 圆角滑块开关（Skill 启用/停用） */
.ca-switch{position:relative;display:inline-block;width:46px;height:24px;flex:none}
.ca-switch input{opacity:0;width:0;height:0}
.ca-slider{position:absolute;cursor:pointer;inset:0;background:rgba(255,255,255,0.14);border:1px solid var(--border);border-radius:100px;transition:var(--transition)}
.ca-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;top:2px;background:#9aa3b2;border-radius:50%;transition:var(--transition)}
.ca-switch input:checked + .ca-slider{background:var(--gradient);border-color:transparent}
.ca-switch input:checked + .ca-slider:before{transform:translateX(21px);background:#fff}
.ca-switch input:disabled + .ca-slider{cursor:not-allowed;opacity:0.5}
.ca-card-header h3{font-size:0.95rem;font-weight:600}
.ca-card-body{padding:20px 24px}

/* Table */
.ca-table{width:100%;border-collapse:collapse}
.ca-table th{text-align:left;padding:10px 16px;font-size:0.78rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.04em;border-bottom:1px solid var(--border-light)}
.ca-table td{padding:12px 16px;font-size:0.88rem;border-bottom:1px solid var(--border-light)}
.ca-table tr:last-child td{border-bottom:none}
.ca-table tr:hover td{background:rgba(255,255,255,0.02)}

/* Badge */
.ca-badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:100px;font-size:0.75rem;font-weight:500}
.ca-badge-success{background:rgba(6,214,160,0.1);color:var(--accent);border:1px solid rgba(6,214,160,0.2)}
.ca-badge-warning{background:rgba(245,158,11,0.1);color:var(--warning);border:1px solid rgba(245,158,11,0.2)}
.ca-badge-danger{background:rgba(239,68,68,0.1);color:var(--danger);border:1px solid rgba(239,68,68,0.2)}
.ca-badge-info{background:rgba(14,165,233,0.1);color:var(--info);border:1px solid rgba(14,165,233,0.2)}
.ca-badge-primary{background:rgba(14,165,233,0.1);color:var(--primary-light);border:1px solid rgba(14,165,233,0.2)}
.ca-badge-muted{background:rgba(255,255,255,0.04);color:var(--text-muted);border:1px solid rgba(255,255,255,0.06)}

/* Buttons */
.ca-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-md);font-size:0.85rem;font-weight:500;transition:var(--transition)}
.ca-btn-primary{background:var(--gradient);color:#fff;box-shadow:0 2px 8px rgba(14,165,233,0.2)}
.ca-btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(14,165,233,0.3)}
.ca-btn-outline{border:1px solid var(--border);color:var(--text-secondary)}
.ca-btn-outline:hover{border-color:var(--primary);color:var(--primary-light);background:rgba(14,165,233,0.05)}
.ca-btn-sm{padding:5px 12px;font-size:0.8rem}
.ca-btn-danger{background:rgba(239,68,68,0.1);color:var(--danger);border:1px solid rgba(239,68,68,0.2)}
.ca-btn-danger:hover{background:rgba(239,68,68,0.2)}

/* Progress Bar */
.ca-progress{height:6px;background:rgba(255,255,255,0.06);border-radius:3px;overflow:hidden}
.ca-progress-fill{height:100%;border-radius:3px;transition:width 0.8s ease}
.ca-progress-fill.cyan{background:var(--gradient)}
.ca-progress-fill.green{background:var(--accent)}
.ca-progress-fill.orange{background:var(--warning)}
.ca-progress-fill.red{background:var(--danger)}

/* Chart placeholder */
.ca-chart{height:200px;background:rgba(14,165,233,0.03);border:1px dashed var(--border);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:0.85rem}

/* Grid */
.ca-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ca-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}

/* Usage bars */
.ca-usage-item{display:flex;align-items:center;gap:12px;padding:10px 0}
.ca-usage-item+.ca-usage-item{border-top:1px solid var(--border-light)}
.ca-usage-label{width:120px;font-size:0.85rem;color:var(--text-secondary);flex-shrink:0}
.ca-usage-bar{flex:1}
.ca-usage-val{width:80px;text-align:right;font-size:0.85rem;font-weight:500;flex-shrink:0}

/* Settings form */
.ca-settings-section{margin-bottom:28px}
.ca-settings-section h4{font-size:0.95rem;font-weight:600;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border-light)}
.ca-settings-row{display:flex;align-items:flex-start;gap:16px;margin-bottom:16px}
.ca-settings-row .ca-settings-label{width:140px;flex-shrink:0;font-size:0.85rem;color:var(--text-secondary);padding-top:10px}
.ca-settings-row .ca-settings-field{flex:1}

/* Synonym tags */
.ca-synonym-group{margin-bottom:20px}
.ca-synonym-group-title{font-size:0.9rem;font-weight:600;margin-bottom:10px}
.ca-synonym-tags{display:flex;flex-wrap:wrap;gap:8px}
.ca-synonym-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:100px;font-size:0.82rem;background:rgba(14,165,233,0.08);border:1px solid rgba(14,165,233,0.15);color:var(--primary-light)}
.ca-synonym-tag .tag-remove{width:14px;height:14px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.7rem;cursor:pointer;color:var(--text-muted);transition:var(--transition)}
.ca-synonym-tag .tag-remove:hover{background:rgba(239,68,68,0.2);color:var(--danger)}

/* Alert banner */
.ca-alert{display:flex;align-items:center;gap:12px;padding:12px 20px;border-radius:var(--radius-md);margin-bottom:20px;font-size:0.88rem}
.ca-alert.warning{background:rgba(245,158,11,0.08);border:1px solid rgba(245,158,11,0.2);color:var(--warning)}
.ca-alert.info{background:rgba(14,165,233,0.08);border:1px solid rgba(14,165,233,0.2);color:var(--info)}
.ca-alert.success{background:rgba(6,214,160,0.08);border:1px solid rgba(6,214,160,0.2);color:var(--accent)}

/* Tabs */
.ca-tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--border-light)}
.ca-tab-btn{padding:8px 16px;font-size:0.85rem;color:var(--text-muted);border-bottom:2px solid transparent;transition:var(--transition);margin-bottom:-1px;cursor:pointer}
.ca-tab-btn:hover{color:var(--text-secondary)}
.ca-tab-btn.active{color:var(--primary-light);border-bottom-color:var(--primary)}

/* Toast */
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
@keyframes toastOut{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(40px)}}

/* Add-on Pack Cards */
.ca-pack-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.ca-pack-card{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 20px;text-align:center;transition:var(--transition)}
.ca-pack-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.ca-pack-recommend{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),0 4px 20px rgba(14,165,233,0.15)}
.ca-pack-tag{position:absolute;top:-10px;left:50%;transform:translateX(-50%);padding:2px 12px;border-radius:100px;font-size:0.72rem;font-weight:600;background:var(--gradient);color:#fff}
.ca-pack-amount{font-size:1.6rem;font-weight:800;color:var(--text-primary);letter-spacing:-0.02em}
.ca-pack-unit{font-size:0.78rem;color:var(--text-muted);margin-bottom:8px}
.ca-pack-price{font-size:1.3rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:8px 0 4px}
.ca-pack-unit-price{font-size:0.75rem;color:var(--text-muted);margin-bottom:14px}

/* Member avatar */
.ca-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.75rem;font-weight:600;flex-shrink:0}
.ca-avatar.a1{background:rgba(14,165,233,0.15);color:var(--primary-light)}
.ca-avatar.a2{background:rgba(6,214,160,0.15);color:var(--accent)}
.ca-avatar.a3{background:rgba(139,92,246,0.15);color:#a78bfa}
.ca-avatar.a4{background:rgba(245,158,11,0.15);color:var(--warning)}
.ca-avatar.a5{background:rgba(239,68,68,0.15);color:var(--danger)}

/* Responsive */
@media(max-width:1200px){.ca-stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.ca-stats{grid-template-columns:1fr}.ca-grid-2,.ca-grid-3{grid-template-columns:1fr}.ca-sidebar{width:60px}.ca-sidebar .logo-text,.ca-sidebar .logo-divider,.ca-sidebar .logo-sub,.ca-sidebar .ca-nav-item span,.ca-sidebar .ca-tenant-info,.ca-sidebar .ca-nav-badge{display:none}.ca-sidebar-header{justify-content:center}.ca-nav-item{justify-content:center;padding:10px}}

/* Modal (管理后台弹窗) */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200}
.modal-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:520px;max-width:90vw;max-height:80vh;overflow-y:auto;box-shadow:0 24px 80px rgba(0,0,0,0.5)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-light)}
.modal-header h3{font-size:1rem;font-weight:600}
.modal-close{width:28px;height:28px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:var(--transition);border:none;background:none;cursor:pointer;font-size:1.2rem}
.modal-close:hover{background:rgba(255,255,255,0.06);color:var(--text-primary)}
.modal-body{padding:24px}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--border-light)}
.modal-footer .ca-btn-danger{margin-right:auto}

/* 启用/停用滑动开关 */
.switch{position:relative;display:inline-block;width:46px;height:24px;flex:none;vertical-align:middle}
.switch input{opacity:0;width:0;height:0}
.switch .slider{position:absolute;cursor:pointer;inset:0;background:rgba(255,255,255,0.14);border:1px solid var(--border);border-radius:100px;transition:all 0.2s}
.switch .slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;top:2px;background:#9aa3b2;border-radius:50%;transition:all 0.2s}
.switch input:checked + .slider{background:linear-gradient(135deg,var(--primary),var(--accent));border-color:transparent}
.switch input:checked + .slider:before{transform:translateX(21px);background:#fff}
.switch input:disabled + .slider{cursor:not-allowed;opacity:0.5}