:root{--color-bg: #f5f6f8;--color-surface: #ffffff;--color-border: #e2e5ea;--color-text: #1f2430;--color-muted: #6b7280;--color-primary: #f5a8e4;--color-primary-dark: #d876c0;--color-danger: #d92d20;--color-success: #12805c;--color-warning: #b45309;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}.app-shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:240px;height:100vh;flex-shrink:0;overflow-y:auto;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;padding:24px 16px}.brand{font-size:20px;font-weight:700;color:var(--color-primary);margin-bottom:24px;padding-left:8px}.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-link{padding:10px 12px;border-radius:8px;color:var(--color-text);text-decoration:none;font-size:14px}.nav-link:hover{background:var(--color-bg)}.nav-link.active{background:var(--color-primary);color:#fff}.sidebar-footer{border-top:1px solid var(--color-border);padding-top:16px;display:flex;flex-direction:column;gap:12px}.user-name{font-weight:600;font-size:14px}.user-role{font-size:12px;color:var(--color-muted);text-transform:uppercase}.content{flex:1;height:100vh;overflow-y:auto;padding:32px}.page-loading{padding:48px;text-align:center;color:var(--color-muted)}h1{font-size:24px;margin:0 0 4px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;gap:16px}.page-subtitle{color:var(--color-muted);margin:0}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:20px}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:32px}.metric-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:18px}.metric-value{font-size:28px;font-weight:700}.metric-label{color:var(--color-muted);font-size:13px}table{width:100%;border-collapse:collapse;background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;overflow:hidden}th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--color-border);font-size:14px}th{background:var(--color-bg);font-weight:600;color:var(--color-muted);font-size:12px;text-transform:uppercase}tr:last-child td{border-bottom:none}tr.clickable{cursor:pointer}tr.clickable:hover{background:var(--color-bg)}.btn{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;border:1px solid var(--color-border);background:var(--color-surface);padding:8px 14px;border-radius:6px;font-size:13px;cursor:pointer}.btn:hover{border-color:var(--color-primary)}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:transparent}.btn-danger{color:var(--color-danger);border-color:var(--color-danger)}.btn-small{padding:4px 10px;font-size:12px}.btn-row{display:flex;gap:8px;flex-wrap:wrap}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.tone-neutral{background:#eceef2;color:#4b5563}.tone-info{background:#fce8f7;color:var(--color-primary-dark)}.tone-success{background:#e0f5ec;color:var(--color-success)}.tone-warning{background:#fdf0d9;color:var(--color-warning)}.tone-danger{background:#fbe6e4;color:var(--color-danger)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:16px}.form-field{display:flex;flex-direction:column;gap:6px}.form-field.full-width{grid-column:1 / -1}label{font-size:13px;font-weight:600;color:var(--color-muted)}input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{padding:8px 10px;border:1px solid var(--color-border);border-radius:6px;font-size:14px;font-family:inherit}textarea{resize:vertical;min-height:120px}.checkbox-field{flex-direction:row;align-items:center;gap:8px}.error-text{color:var(--color-danger);font-size:13px;margin:4px 0 0}.empty-state{color:var(--color-muted);padding:24px;text-align:center}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg)}.login-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:40px;width:360px}.login-card h1{color:var(--color-primary);margin-bottom:24px}.detail-section{margin-bottom:24px}.detail-section h2{font-size:16px;margin-bottom:8px}.detail-section>summary{font-size:16px;margin-bottom:8px;cursor:pointer;font-weight:600;list-style:none}.detail-section>summary::-webkit-details-marker{display:none}.detail-section>summary:before{content:"▸";display:inline-block;width:14px;transition:transform .15s ease}.detail-section[open]>summary:before{transform:rotate(90deg)}.detail-section>summary+*{margin-top:8px}pre.detail-content{white-space:pre-wrap;word-break:break-word;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;padding:14px;font-family:inherit;font-size:14px;margin:0}.back-link{display:inline-block;margin-bottom:16px;color:var(--color-primary);text-decoration:none;font-size:14px}