:root{--color-bg:#f6f7f9;--color-surface:#fff;--color-border:#e2e5ea;--color-text:#1a1d23;--color-text-muted:#6b7280;--color-primary:#2451e0;--color-primary-hover:#1b3fb8;--color-primary-contrast:#fff;--color-success:#1a7f4b;--color-success-bg:#e8f7ee;--color-warning:#92620a;--color-warning-bg:#fdf3e0;--color-danger:#b3261e;--color-danger-bg:#fdecea;--color-neutral-bg:#eef0f3;--radius:10px;--shadow-sm:0 1px 2px rgba(16,24,40,.06);--shadow-md:0 4px 16px rgba(16,24,40,.08);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}a{color:inherit}.app-shell{min-height:100vh;display:flex}.app-nav{width:220px;flex-shrink:0;background:var(--color-surface);border-right:1px solid var(--color-border);padding:24px 16px;display:flex;flex-direction:column;gap:4px}.app-nav-brand{font-weight:700;font-size:15px;letter-spacing:.02em;padding:0 12px 20px;color:var(--color-text)}.app-nav-link{display:block;padding:10px 12px;border-radius:8px;font-size:14px;color:var(--color-text-muted);text-decoration:none}.app-nav-link:hover{background:var(--color-neutral-bg);color:var(--color-text)}.app-nav-link.active{background:rgba(36,81,224,.1);color:var(--color-primary);font-weight:600}.app-nav-link.disabled{color:#c3c8d1;cursor:default;pointer-events:none}.app-nav-footer{margin-top:auto;padding:0 12px;font-size:13px;color:var(--color-text-muted)}.app-main{flex:1 1;padding:32px 40px;max-width:1000px;min-width:0}.app-main-wide{max-width:1400px}.table-scroll{overflow-x:auto}.page-title{font-size:22px;font-weight:700;margin:0 0 4px}.page-subtitle{color:var(--color-text-muted);font-size:14px;margin:0 0 28px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px 24px}.card+.card{margin-top:20px}.card-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);margin:0 0 16px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));grid-gap:16px;gap:16px}.stat-tile{display:flex;flex-direction:column;gap:4px}.stat-tile-value{font-size:26px;font-weight:700}.stat-tile-label{font-size:13px;color:var(--color-text-muted)}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}.badge-neutral{background:var(--color-neutral-bg);color:var(--color-text-muted)}.btn{font-family:inherit;font-size:14px;font-weight:600;border-radius:8px;padding:10px 18px;border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background .15s ease,border-color .15s ease,opacity .15s ease}.btn:disabled{cursor:not-allowed;opacity:.6}.btn-primary{background:var(--color-primary);color:var(--color-primary-contrast)}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-large{font-size:15px;padding:14px 28px}.btn-secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn-secondary:hover:not(:disabled){background:var(--color-neutral-bg)}.btn-danger{background:var(--color-danger);color:#fff}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-size:13px;font-weight:600;color:var(--color-text-muted)}.field input{font-family:inherit;font-size:15px;padding:11px 14px;border-radius:8px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text)}.field input:focus{outline:2px solid var(--color-primary);outline-offset:1px}.error-text{color:var(--color-danger);font-size:13.5px;margin:0 0 16px}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg)}.login-card{width:100%;max-width:360px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:36px 32px}.login-title{text-align:center;font-size:18px;font-weight:700;letter-spacing:.02em;margin:0 0 28px}.spinner{width:16px;height:16px;border-radius:50%;border:2px solid hsla(0,0%,100%,.4);border-top-color:#fff;animation:spin .7s linear infinite}.spinner-dark{border:2px solid rgba(36,81,224,.2);border-top:2px solid var(--color-primary)}@keyframes spin{to{transform:rotate(1turn)}}.overlay{position:fixed;inset:0;background:rgba(16,24,40,.45);display:flex;align-items:center;justify-content:center;z-index:50}.dialog{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:24px;width:100%;max-width:420px}.dialog-title{font-size:16px;font-weight:700;margin:0 0 8px}.dialog-body{font-size:14px;color:var(--color-text-muted);line-height:1.5;margin:0 0 20px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px}.result-list{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px 24px;gap:10px 24px;font-size:14px}.result-list dt{color:var(--color-text-muted)}.result-list dd{margin:0;text-align:right;font-weight:600}.muted{color:var(--color-text-muted);font-size:13.5px}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{text-align:left;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-muted);padding:8px 12px}.data-table td,.data-table th{border-bottom:1px solid var(--color-border)}.data-table td{padding:10px 12px;vertical-align:top}.data-table tr:last-child td{border-bottom:none}.field select,.field textarea{font-family:inherit;font-size:15px;padding:11px 14px;border-radius:8px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text)}.field select:focus,.field textarea:focus{outline:2px solid var(--color-primary);outline-offset:1px}.admin-note{background:var(--color-neutral-bg);border-radius:8px;padding:12px 14px;font-size:13px;color:var(--color-text-muted);margin-top:20px}