:root{--color-bg:#0d0d0d;--color-surface:#17181b;--color-surface-hover:#212226;--color-surface-strong:#1e2024;--color-border:#2b2c31;--color-text:#f3f3f2;--color-text-muted:#98999e;--color-primary:#e10600;--color-primary-hover:#ff2e24;--color-primary-contrast:#fff;--color-danger:#ff4d45;--color-danger-bg:#ff4d4524;--color-success:#34d17a;--color-success-bg:#34d17a24;--radius:10px;--shadow:0 4px 16px #00000073;font-family:system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);margin:0}button,input,select,textarea{font-family:inherit;font-size:14px}a{color:var(--color-primary)}.app-shell{min-height:100vh;display:flex}.sidebar{background:var(--color-surface);border-right:1px solid var(--color-border);flex-direction:column;flex-shrink:0;gap:4px;width:232px;padding:20px 12px;display:flex}.sidebar-brand{border-bottom:2px solid var(--color-primary);flex-direction:column;align-items:center;margin-bottom:8px;padding:8px 8px 20px;display:flex}.sidebar-brand-mark{border-radius:50%;width:64px;height:64px;box-shadow:0 4px 14px #e1060059}.sidebar-brand-name{letter-spacing:.04em;color:var(--color-text);margin-top:10px;font-size:22px;font-weight:800}.sidebar-brand-name strong{color:var(--color-primary)}.sidebar-brand .sidebar-brand-location{letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-muted);margin-top:4px;font-size:11px}.sidebar a{border-radius:var(--radius);color:var(--color-text);padding:9px 10px;font-size:14px;text-decoration:none;display:block}.sidebar a:hover{background:var(--color-surface-hover)}.sidebar a.active{background:var(--color-primary);color:var(--color-primary-contrast);font-weight:600}.sidebar .sidebar-footer{color:var(--color-text-muted);border-top:1px solid var(--color-border);margin-top:auto;padding:8px;font-size:13px}.main-content{flex:1;max-width:1100px;padding:24px 32px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:20px}h1{letter-spacing:.01em;margin:0 0 16px;font-size:22px;font-weight:800}h2{margin:0 0 12px;font-size:17px;font-weight:700}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--color-border);padding:8px 10px;font-size:14px}th{color:var(--color-text-muted);font-weight:600}tr:hover td{background:var(--color-surface-hover)}.btn{border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-surface-strong);color:var(--color-text);cursor:pointer;align-items:center;gap:6px;padding:8px 14px;text-decoration:none;display:inline-flex}.btn:hover{background:var(--color-surface-hover)}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-primary-contrast)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-danger{background:var(--color-danger-bg);border-color:var(--color-danger);color:var(--color-danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.form-row{flex-direction:column;gap:4px;margin-bottom:12px;display:flex}.form-row label{color:var(--color-text-muted);font-size:13px}.form-row input,.form-row select,.form-row textarea{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-strong);color:var(--color-text);padding:8px 10px}.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:2px solid var(--color-primary);outline-offset:-1px}.form-inline{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.checkbox-row{align-items:center;gap:8px;font-size:14px;display:flex}.badge{border-radius:999px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}.badge-muted{background:var(--color-surface-hover);color:var(--color-text-muted)}.error-message{background:var(--color-danger-bg);color:var(--color-danger);border-radius:var(--radius);margin-bottom:16px;padding:10px 14px;font-size:14px}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;display:grid}.stat-tile{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 20px}.stat-tile .stat-value{color:var(--color-primary);font-size:28px;font-weight:800}.stat-tile .stat-label{color:var(--color-text-muted);font-size:13px}.login-page{background:radial-gradient(circle at 50% 0%, #1a1a1a 0%, var(--color-bg) 60%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-box{background:var(--color-surface);border:1px solid var(--color-border);border-radius:calc(var(--radius) * 1.4);width:380px;padding:40px 36px;box-shadow:0 12px 40px #0000008c}.login-logo{width:100%;max-width:320px;height:auto;margin:0 auto 16px;display:block}.text-muted{color:var(--color-text-muted);font-size:13px}.section-divider{border:none;border-top:1px solid var(--color-border);margin:20px 0}