:root {
  --bg: #FAFAFA; --fg: #111111; --accent: #2F6FEB; --accent-soft: #EEF3FD;
  --muted: #6B6B6B; --border: #E5E5E5; --surface: #FFFFFF;
  --success: #17A34A; --success-soft: #ECFDF3; --warn: #CA8A04; --warn-soft: #FEF9C3;
  --danger: #DC2626; --danger-soft: #FEF2F2; --sidebar: 240px; --radius: 10px;
  --shadow: 0 2px 8px rgba(17, 17, 17, 0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--fg); font-size: 14px; line-height: 1.5; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 40px; width: 100%; max-width: 400px; box-shadow: var(--shadow); }
.login-card .logo { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.login-card .sub { color: var(--muted); margin-bottom: 28px; font-size: 13px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12px; font-weight: 500; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; }
.field input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 18px; border-radius: 8px; font-size: 14px; font-weight: 500; font-family: inherit; cursor: pointer; border: none; text-decoration: none; }
.btn:hover { opacity: .9; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--fg); border: 1px solid var(--border); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.error-msg { background: var(--danger-soft); color: #991B1B; padding: 10px 12px; border-radius: 8px; margin-bottom: 16px; font-size: 13px; }
.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar); background: var(--surface); border-right: 1px solid var(--border); padding: 20px 0; flex-shrink: 0; }
.sidebar-brand { padding: 0 20px 20px; font-weight: 700; font-size: 15px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.sidebar-role { padding: 0 20px 12px; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.nav-item { display: block; padding: 10px 20px; color: var(--muted); border-left: 3px solid transparent; font-size: 14px; text-decoration: none; }
.nav-item:hover { background: var(--bg); color: var(--fg); text-decoration: none; }
.nav-item.active { color: var(--accent); background: var(--accent-soft); border-left-color: var(--accent); font-weight: 500; }
.main { flex: 1; padding: 28px 32px; overflow: auto; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; gap: 16px; flex-wrap: wrap; }
.page-header h1 { font-size: 22px; font-weight: 600; }
.page-header p { color: var(--muted); font-size: 13px; margin-top: 4px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge-review { background: #F3E8FF; color: #6B21A8; }
.badge-pending { background: var(--warn-soft); color: #854d0e; }
.badge-ka { background: var(--accent-soft); color: #1D4ED8; }
.badge-done { background: var(--success-soft); color: #166534; }
.badge-rejected { background: var(--danger-soft); color: #991B1B; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 12px 16px; font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; background: var(--bg); border-bottom: 1px solid var(--border); }
td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
tr:last-child td { border-bottom: none; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--bg); }
.filters { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.list-search { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.list-search input[type="search"] { flex: 1; min-width: 220px; max-width: 420px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; }
.list-search input[type="search"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.list-search-clear { min-width: 42px; padding-left: 12px; padding-right: 12px; }
.filter-chip { padding: 6px 14px; border-radius: 20px; border: 1px solid var(--border); background: var(--surface); font-size: 13px; color: var(--muted); text-decoration: none; }
.filter-chip.active, .filter-chip:hover { background: var(--accent); color: #fff; border-color: var(--accent); text-decoration: none; }
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; max-width: 560px; }
.form-grid { display: grid; gap: 20px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.readonly-field { padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--muted); font-size: 14px; }
.readonly-field.filled { color: var(--fg); }
.combobox { position: relative; }
.combobox input { width: 100%; padding: 10px 36px 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.combobox input:disabled { background: var(--bg); color: var(--muted); }
.combobox::after { content: '▾'; position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.combobox-list { position: absolute; top: calc(100% + 4px); left: 0; right: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow); max-height: 220px; overflow-y: auto; z-index: 50; display: none; }
.combobox-list.open { display: block; }
.combobox-item { padding: 10px 12px; cursor: pointer; font-size: 13px; border-bottom: 1px solid var(--border); }
.combobox-item:hover, .combobox-item.highlighted { background: var(--accent-soft); }
.combobox-item.combobox-custom { color: var(--accent); font-weight: 500; }
.field-hint { margin-top: 6px; font-size: 12px; color: var(--muted); }
.combobox-empty { padding: 12px; color: var(--muted); text-align: center; font-size: 13px; }
.detail-grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }
.detail-section { padding: 24px; }
.detail-section h3 { font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; margin-bottom: 16px; }
.detail-row { display: grid; grid-template-columns: 160px 1fr; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.detail-row .label { color: var(--muted); }
.action-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.action-panel h3 { font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.action-panel .btn { width: 100%; margin-bottom: 8px; }
.alert { padding: 12px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; line-height: 1.5; }
.alert-warn { background: var(--warn-soft); color: #854d0e; border: 1px solid #FDE047; }
.alert-info { background: var(--accent-soft); color: #1E40AF; border: 1px solid #BFDBFE; }
.alert-danger { background: var(--danger-soft); color: #991B1B; border: 1px solid #FECACA; }
.alert-success { background: var(--success-soft); color: #166534; border: 1px solid #86EFAC; }
.back-link { display: inline-block; color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.kpi .num { font-size: 24px; font-weight: 700; }
.kpi .lbl { font-size: 12px; color: var(--muted); }
.num-warn { color: var(--danger); font-weight: 600; }
.sam-tag { display: inline-block; background: #F0FDF4; border: 1px solid #86EFAC; color: #166534; padding: 4px 10px; border-radius: 6px; font-size: 13px; }
.sam-missing { background: var(--danger-soft); border-color: #FECACA; color: #991B1B; }
.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--border); }
.tab { padding: 10px 16px; font-size: 13px; font-weight: 500; color: var(--muted); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.dup-badge { background: var(--danger-soft); color: #991B1B; border: 1px solid #FECACA; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; }
tr.row-dup td { background: #FEF2F2; }
.stat-toolbar { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.stat-toolbar select { padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; }
.logout-link { display: block; padding: 10px 20px; margin-top: 24px; font-size: 13px; color: var(--muted); }
@media (max-width: 900px) {
  .sidebar { display: none; }
  .detail-grid, .form-row-2, .kpi-row { grid-template-columns: 1fr; }
}