:root{--color-bg:#f3f4f8;--color-surface:#fff;--color-border:#e3e6ee;--color-text:#1c2333;--color-text-muted:#6b7280;--color-primary:#2b5fe0;--color-primary-dark:#1e46b3;--color-sidebar-bg:#131a2c;--color-sidebar-text:#b7bfd6;--color-sidebar-text-active:#fff;--color-success:#16a34a;--color-warning:#d97706;--color-danger:#dc2626;--color-info:#2563eb;--radius:10px;--shadow-card:0 1px 2px #14182a0f, 0 1px 6px #14182a0a;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Malgun Gothic,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--color-bg);color:var(--color-text);margin:0;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{font-family:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{background:var(--color-sidebar-bg);width:240px;color:var(--color-sidebar-text);flex-direction:column;flex-shrink:0;padding:20px 0;display:flex}.sidebar-brand{color:#fff;border-bottom:1px solid #ffffff14;margin-bottom:12px;padding:0 20px 20px;font-size:18px;font-weight:700}.sidebar-brand span{color:var(--color-sidebar-text);margin-top:2px;font-size:11px;font-weight:400;display:block}.sidebar-nav{flex-direction:column;gap:2px;padding:0 12px;display:flex}.sidebar-link{color:var(--color-sidebar-text);border-radius:8px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;display:flex}.sidebar-link:hover{color:#fff;background:#ffffff0f}.sidebar-link.active{background:var(--color-primary);color:#fff}.sidebar-footer{border-top:1px solid #ffffff14;margin-top:auto;padding:12px 20px 0;font-size:12px}.main-area{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;height:60px;padding:0 24px;display:flex}.topbar h1{margin:0;font-size:17px}.topbar-user{color:var(--color-text-muted);align-items:center;gap:12px;font-size:13px;display:flex}.content{flex:1;padding:24px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-card);margin-bottom:20px;padding:20px}.card-title{margin:0 0 14px;font-size:15px;font-weight:600}.summary-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px;display:grid}.summary-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:16px 18px}.summary-card .label{color:var(--color-text-muted);margin-bottom:6px;font-size:12px}.summary-card .value{font-size:24px;font-weight:700}.summary-card .value.danger{color:var(--color-danger)}.summary-card .value.warning{color:var(--color-warning)}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13.5px}thead th{text-align:left;border-bottom:1px solid var(--color-border);color:var(--color-text-muted);white-space:nowrap;padding:10px 12px;font-weight:600}tbody td{border-bottom:1px solid var(--color-border);white-space:nowrap;padding:10px 12px}tbody tr:hover{background:#f8f9fc}tbody tr.clickable{cursor:pointer}.badge{white-space:nowrap;border-radius:999px;align-items:center;padding:3px 9px;font-size:12px;font-weight:600;display:inline-flex}.badge-success{color:var(--color-success);background:#e7f7ed}.badge-warning{color:var(--color-warning);background:#fef3e2}.badge-danger{color:var(--color-danger);background:#fce8e8}.badge-info{color:var(--color-info);background:#e8effe}.badge-muted{color:var(--color-text-muted);background:#eef0f4}.form-section{margin-bottom:24px}.form-section-title{border-bottom:2px solid var(--color-text);margin:0 0 4px;padding-bottom:8px;font-size:14px;font-weight:700}.form-section-desc{color:var(--color-text-muted);margin-bottom:12px;font-size:12px}.form-grid{grid-template-columns:repeat(2,1fr);gap:14px 18px;display:grid}.form-grid.cols-3{grid-template-columns:repeat(3,1fr)}.field{flex-direction:column;gap:5px;display:flex}.field.span-2{grid-column:span 2}.field.span-3{grid-column:span 3}.field label{color:var(--color-text);font-size:12.5px;font-weight:600}.field label .required{color:var(--color-danger);margin-left:2px}.field .hint{color:var(--color-text-muted);font-size:11.5px}.field .error-text{color:var(--color-danger);font-size:11.5px}input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=url],input[type=tel],select,textarea{border:1px solid var(--color-border);color:var(--color-text);background:#fff;border-radius:8px;width:100%;padding:8px 11px;font-family:inherit;font-size:13.5px}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #2b5fe01f}textarea{resize:vertical;min-height:70px}.checkbox-row{align-items:center;gap:8px;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:13.5px;font-weight:600;transition:opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:hover:not(:disabled){opacity:.9}.btn-primary{background:var(--color-primary);color:#fff}.btn-secondary{color:var(--color-text);border-color:var(--color-border);background:#fff}.btn-danger{color:var(--color-danger);background:#fff;border-color:#f3c8c8}.btn-ghost{color:var(--color-text-muted);background:0 0}.btn-sm{padding:5px 10px;font-size:12.5px}.btn-row{align-items:center;gap:10px;display:flex}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.filters{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.filters select,.filters input{width:auto;min-width:140px}.search-input{min-width:220px!important}.pagination{color:var(--color-text-muted);justify-content:flex-end;align-items:center;gap:10px;margin-top:14px;font-size:13px;display:flex}.login-page{background:linear-gradient(160deg,#131a2c,#1e2c4f);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:#fff;border-radius:14px;width:380px;padding:36px 32px;box-shadow:0 20px 60px #0000004d}.login-card h1{margin:0 0 4px;font-size:20px}.login-card p.subtitle{color:var(--color-text-muted);margin:0 0 24px;font-size:13px}.login-card .field{margin-bottom:14px}.login-error{color:var(--color-danger);background:#fce8e8;border-radius:8px;margin-bottom:14px;padding:10px 12px;font-size:13px}.empty-state,.loading-state{text-align:center;color:var(--color-text-muted);padding:40px 0;font-size:13.5px}.text-muted{color:var(--color-text-muted)}.mono{font-family:SF Mono,Consolas,monospace;font-size:12.5px}.modal-backdrop{z-index:50;background:#0f142380;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-card{background:#fff;border-radius:12px;width:420px;max-width:90vw;padding:22px;box-shadow:0 20px 60px #00000040}.modal-card h2{margin:0 0 14px;font-size:16px}.tabs{border-bottom:1px solid var(--color-border);gap:4px;margin-bottom:18px;display:flex}.tab-btn{color:var(--color-text-muted);cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;padding:10px 16px;font-size:13.5px;font-weight:600}.tab-btn.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.detail-header{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.detail-header h1{margin:0;font-size:19px}.detail-header .meta{color:var(--color-text-muted);margin-top:4px;font-size:12.5px}.back-link{color:var(--color-text-muted);margin-bottom:10px;font-size:13px;display:inline-block}.back-link:hover{color:var(--color-primary)}