:root{--color-primary: #1c66d6;--color-primary-hover: #1856b8;--color-primary-bg: #f3f8ff;--color-primary-bg-strong: #e8f0fe;--color-primary-border: #b9cff0;--color-success: #0e7a44;--color-success-bg: #e6f6ee;--color-danger: #e8332a;--color-danger-bg: #fdecea;--color-warning: #a06a00;--color-warning-bg: #fdf3d6;--color-info: #1c9ad6;--color-text: #1a2333;--color-text-secondary: #475467;--color-text-muted: #667085;--color-text-faint: #98a2b3;--color-border: #e3e8f0;--color-border-strong: #d5dce8;--color-bg-page: #f8fafd;--color-bg-card: #ffffff;--color-bg-subtle: #f2f4f8;--color-bg-row-hover: #fafbfd;--radius: 8px;--radius-card: 10px}*{box-sizing:border-box}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body{margin:0;font-family:-apple-system,Segoe UI,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif;background:var(--color-bg-page);color:var(--color-text)}h1,h2,h3,p{margin:0}.app-shell{display:flex;min-height:100vh;align-items:stretch}.app-sidebar{width:230px;flex:none;background:var(--color-bg-card);border-right:1px solid var(--color-border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.app-brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;border-bottom:1px solid var(--color-bg-subtle)}.app-brand-logo{width:28px;height:28px;flex:none;border-radius:6px}.app-brand-text{display:flex;flex-direction:column;min-width:0}.app-brand-name{font-size:15px;font-weight:700;line-height:1.2}.app-brand-sub{font-size:11px;color:var(--color-text-muted)}.app-nav{padding:14px 10px;display:flex;flex-direction:column;gap:2px;flex:1;overflow:auto}.app-nav-group-label{font-size:10.5px;font-weight:700;color:var(--color-text-faint);letter-spacing:.08em;padding:16px 10px 6px;cursor:default;-webkit-user-select:none;user-select:none;border-top:1px solid var(--color-bg-subtle);margin-top:10px}.app-nav-group-label:first-child{padding-top:4px;border-top:none;margin-top:0}.app-nav-link{display:block;padding:9px 10px;border-radius:var(--radius);font-size:13px;font-weight:500;color:var(--color-text-secondary);text-decoration:none}.app-nav-link:hover{background:#f1f5fb}.app-nav-link.is-active{background:var(--color-primary-bg-strong);color:var(--color-primary);font-weight:700}.app-sidebar-footer{padding:14px 16px;border-top:1px solid var(--color-bg-subtle);display:flex;align-items:center;gap:10px}.app-avatar{width:32px;height:32px;border-radius:50%;background:var(--color-primary-bg-strong);color:#1c5fd0;display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;flex:none;text-transform:uppercase}.app-user-info{display:flex;flex-direction:column;flex:1;min-width:0}.app-user-email{font-size:12.5px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-user-role{font-size:11px;color:var(--color-text-muted)}.app-logout-link{font-size:11px;color:var(--color-text-faint);cursor:pointer;background:none;border:none;padding:0;flex:none}.app-logout-link:hover{color:var(--color-primary)}.app-main{flex:1;min-width:0;padding:32px 40px 60px}.app-main-inner{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;gap:14px}.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:8px}.page-title{font-size:22px;font-weight:700;margin:0 0 4px}.page-subtitle{font-size:13px;color:var(--color-text-muted)}.btn{height:38px;border-radius:var(--radius);padding:0 16px;font-size:13px;font-weight:700;cursor:pointer;border:1px solid transparent;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-bg-card);color:var(--color-primary);border-color:var(--color-primary-border)}.btn-secondary:hover:not(:disabled){background:var(--color-primary-bg)}.btn-danger{background:var(--color-bg-card);color:var(--color-danger);border-color:#f3c9c6}.btn-danger:hover:not(:disabled){background:var(--color-danger-bg)}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:20px 22px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.stat-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:18px 20px}.stat-label{font-size:12px;color:var(--color-text-muted);margin-bottom:6px}.stat-value{font-size:26px;font-weight:700}.stat-value-unit{font-size:13px;font-weight:500;color:var(--color-text-muted);margin-left:3px}.stat-value.is-primary{color:var(--color-primary)}.stat-value.is-success{color:var(--color-success)}.dashboard-columns{display:grid;grid-template-columns:1.6fr 1fr;gap:14px}@media (max-width: 900px){.dashboard-columns{grid-template-columns:1fr}}.activity-list{display:flex;flex-direction:column}.activity-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--color-bg-subtle)}.activity-row:first-child{border-top:none}.activity-text{font-size:13.5px;flex:1}.activity-time{font-size:12px;color:var(--color-text-faint);white-space:nowrap}.progress-bar{height:8px;background:#eef1f6;border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--color-primary);border-radius:4px}.empty-state{color:var(--color-text-muted);padding:32px 0;text-align:center;font-size:13px}.table-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-card);overflow:hidden}.table-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--color-bg-subtle);flex-wrap:wrap}.table-toolbar-count{font-size:12.5px;color:var(--color-text-muted)}.table-scroll{overflow-x:auto}.tab-bar{display:flex;gap:4px;padding:10px 18px 0;border-bottom:1px solid var(--color-bg-subtle)}.tab-button{border:none;background:none;font-family:inherit;font-size:13px;font-weight:500;color:var(--color-text-muted);padding:8px 4px 10px;margin-right:20px;cursor:pointer;border-bottom:2px solid transparent}.tab-button.is-active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-size:11.5px;color:var(--color-text-muted);font-weight:500;white-space:nowrap;padding:10px 18px;border-bottom:1px solid var(--color-bg-subtle)}.table td{padding:10px 18px;font-size:13.5px;border-bottom:1px solid var(--color-bg-subtle);vertical-align:middle}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:hover td{background:var(--color-bg-row-hover)}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:12.5px;font-weight:500;color:var(--color-text-secondary)}.input,.select,.textarea{height:40px;border:1px solid var(--color-border-strong);border-radius:var(--radius);padding:0 12px;font-size:13.5px;outline:none;width:100%;color:var(--color-text);background:var(--color-bg-card);font-family:inherit}.textarea{height:auto;min-height:90px;padding:10px 12px;resize:vertical}.input:focus,.select:focus,.textarea:focus{border-color:var(--color-primary)}.input-search{height:36px;width:260px;max-width:100%}.checkbox-field{display:flex;align-items:center;gap:8px;font-size:13px}.form-error{color:var(--color-danger);font-size:12.5px}.form-success{color:var(--color-success);font-size:12.5px}.btn-row{display:flex;gap:8px}.badge{display:inline-block;font-size:11.5px;font-weight:700;border-radius:99px;padding:3px 10px;white-space:nowrap}.badge-success{color:var(--color-success);background:var(--color-success-bg)}.badge-danger{color:var(--color-danger);background:var(--color-danger-bg)}.badge-warning{color:var(--color-warning);background:var(--color-warning-bg)}.badge-info{color:var(--color-primary);background:var(--color-primary-bg-strong)}.badge-neutral{color:var(--color-text-muted);background:var(--color-bg-subtle)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:24px;z-index:1000}.modal{background:var(--color-bg-card);border-radius:var(--radius-card);width:100%;max-width:1400px;height:90vh;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px #0f172a4d}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--color-border);flex:none}.modal-body{flex:1;overflow:auto;background:var(--color-bg-subtle)}.modal-body iframe{display:block;width:100%;height:100%;border:none}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg-page);padding:24px}.login-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:12px;padding:32px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:16px;box-shadow:0 12px 32px #0f172a0f}.login-logo{width:48px;height:48px;display:block;margin:0 auto;border-radius:10px}.login-title{font-size:18px;font-weight:700;text-align:center}.login-form{display:flex;flex-direction:column;gap:14px}