:root{--bg:#f5f7fb;--panel:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--primary:#2563eb;--success:#0f766e;--warning:#b45309;--danger:#b91c1c}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}pre{white-space:pre-wrap;overflow:auto;background:#111827;color:#f9fafb;padding:12px;border-radius:10px}
.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:#0f172a;color:#fff;padding:24px}.brand{margin-bottom:24px}.brand-title{font-size:22px;font-weight:700}.brand-subtitle{font-size:14px;color:#cbd5e1}.nav a{display:block;padding:10px 12px;border-radius:10px;color:#e2e8f0;margin-bottom:6px}.nav a:hover{background:#1e293b}.main{flex:1;padding:24px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.muted{color:var(--muted)}.badge{background:#e2e8f0;padding:6px 10px;border-radius:999px;font-size:12px}
.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px}.actions-inline{display:flex;gap:8px;align-items:center}.actions-inline.wrap{flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border:none;border-radius:12px;background:#e5e7eb;color:#111827;cursor:pointer}.btn.primary{background:var(--primary);color:#fff}.btn.success{background:var(--success);color:#fff}.btn.warning{background:var(--warning);color:#fff}.btn.danger{background:var(--danger);color:#fff}.btn.small{padding:6px 10px;font-size:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.grid{display:grid;gap:16px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.col-span-2{grid-column:span 2}.stat-card{display:flex;flex-direction:column;gap:8px}.stat-card strong{font-size:28px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}thead th{background:#f8fafc}.form-group{display:flex;flex-direction:column;gap:6px}.form-group.align-end{justify-content:flex-end}label{font-size:13px;font-weight:600}input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff}.form-check{display:flex;align-items:center;padding-top:28px}.form-check input{width:auto;margin-right:8px}.alert{padding:12px 14px;border-radius:12px;margin-bottom:16px}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.error-list{margin:0;padding-left:20px;color:#991b1b}.ok-text{color:#166534}.stack-mobile{align-items:start}
hr{border:none;border-top:1px solid var(--line);margin:16px 0}
@media (max-width: 1000px){.app-shell{flex-direction:column}.sidebar{width:100%}.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}.col-span-2{grid-column:auto}.page-header,.topbar{flex-direction:column;align-items:flex-start}}