/* ========== 前后台共用样式 ========== */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;background:#0f0f1a;color:#e0e0e0;min-height:100vh}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-primary{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff}
.btn-primary:hover{box-shadow:0 4px 20px rgba(99,102,241,.4)}
.btn-sm{padding:6px 14px;font-size:12px;border-radius:8px}
.btn-ghost{background:transparent;color:#888;border:1px solid #2a2a4a;padding:6px 14px;font-size:12px;cursor:pointer;border-radius:8px;transition:all .2s}
.btn-ghost:hover{border-color:#6366f1;color:#6366f1}
.btn-danger{background:rgba(239,68,68,.15);color:#f87171;border:1px solid rgba(239,68,68,.3);padding:6px 14px;font-size:12px;cursor:pointer;border-radius:8px}
.btn-danger:hover{background:rgba(239,68,68,.25)}
.btn-success{background:rgba(34,197,94,.15);color:#4ade80;border:1px solid rgba(34,197,94,.3);padding:6px 14px;font-size:12px;cursor:pointer;border-radius:8px}
.btn-success:hover{background:rgba(34,197,94,.25)}
/* 表单 */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:#999;margin-bottom:6px}
.form-group input[type=text],.form-group input[type=url],.form-group input[type=password],.form-group input[type=number],.form-group select,.form-group textarea{width:100%;background:#12121f;border:1px solid #2a2a4a;border-radius:10px;padding:10px 14px;color:#fff;font-size:14px;outline:none;transition:border-color .2s}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:#6366f1}
.form-group textarea{resize:vertical;min-height:80px;font-family:inherit}
.form-group .hint{font-size:11px;color:#666;margin-top:4px}
/* 标签 */
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}
.tag-green{background:rgba(34,197,94,.15);color:#4ade80}
.tag-red{background:rgba(239,68,68,.15);color:#f87171}
.tag-yellow{background:rgba(245,158,11,.15);color:#fbbf24}
.tag-gray{background:rgba(102,102,102,.2);color:#999}
.tag-purple{background:rgba(99,102,241,.15);color:#a5b4fc}
/* 表格 */
table{width:100%;border-collapse:collapse}
table th,table td{padding:12px 14px;text-align:left;font-size:13px;border-bottom:1px solid #1a1a2e}
table th{color:#888;font-weight:600;background:#12121f;position:sticky;top:0}
table tr:hover{background:rgba(99,102,241,.03)}
table .tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}
/* 弹窗 */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:2000;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.show{display:flex}
.modal{background:#1a1a2e;border:1px solid #2a2a4a;border-radius:16px;max-width:480px;width:100%;max-height:90vh;overflow:auto}
.modal.wide{max-width:800px}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #2a2a4a;position:sticky;top:0;background:#1a1a2e;z-index:1}
.modal-header h2{font-size:18px;color:#fff}
.modal-close{background:none;border:none;color:#888;font-size:24px;cursor:pointer;padding:4px;line-height:1}
.modal-close:hover{color:#fff}
.modal-body{padding:24px}
.modal-body h3{font-size:15px;color:#a5b4fc;margin:20px 0 10px}
.modal-body h3:first-child{margin-top:0}
.modal-body p,.modal-body li{font-size:14px;color:#ccc;line-height:1.8}
.modal-body ul{padding-left:20px}
.modal-body li{margin-bottom:6px}
.modal-body code{background:#12121f;padding:2px 6px;border-radius:4px;color:#f59e0b;font-size:13px}
.modal-body a{color:#6366f1}
/* Toast */
.toast{position:fixed;background:#1a1a2e;border:1px solid #2a2a4a;border-radius:10px;padding:10px 18px;font-size:13px;color:#e0e0e0;z-index:1000;box-shadow:0 4px 20px rgba(0,0,0,.5);white-space:nowrap;opacity:0;transform:translateY(4px);transition:opacity .25s ease,transform .25s ease;pointer-events:none}
.toast.show{opacity:1;transform:translateY(0)}
.toast.error{border-color:#ef4444;color:#ef4444}
.toast.success{border-color:#22c55e;color:#22c55e}
/* 空状态 */
.empty-state{text-align:center;padding:48px 24px;color:#444}
.empty-state .icon{font-size:48px;margin-bottom:12px}
.empty-state p{font-size:14px}
/* 登录框 */
.login-box{text-align:center;padding:32px 24px}
.login-box h1,.login-box h2{font-size:24px;color:#fff;margin-bottom:8px}
.login-box p{color:#888;font-size:14px;margin-bottom:24px}
.login-box .form-group{text-align:left}
.login-box .btn-primary{width:100%;padding:14px;font-size:15px;margin-top:8px}
.login-box .switch-link{color:#6366f1;cursor:pointer;font-size:13px;margin-top:16px;display:inline-block}
.login-box .switch-link:hover{text-decoration:underline}
/* 滚动条 */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-thumb{background:#2a2a4a;border-radius:3px}