:root{
    --bg:#f4f7fb; --panel:#ffffff; --text:#1f2937; --muted:#6b7280; --line:#dde5ef;
    --primary:#1d4ed8; --success:#15803d; --danger:#b91c1c; --warning:#b45309; --light:#eef2f7;
}
*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.admin-shell{display:flex;min-height:100vh;max-width:100vw;overflow-x:hidden}
.sidebar{width:280px;background:#0f172a;color:#fff;padding:20px;flex-shrink:0}
.sidebar .brand{font-size:22px;font-weight:700;margin-bottom:18px;line-height:1.2}
.menu{display:flex;flex-direction:column;gap:8px}
.menu-link{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:10px;color:#cbd5e1}
.menu-link.active,.menu-link:hover{background:#1e293b;color:#fff}
.sidebar-overlay{display:none}
.content{flex:1;padding:20px;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;background:var(--panel);border:1px solid var(--line);padding:16px;border-radius:16px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar h1{margin:0;font-size:22px;line-height:1.2;word-break:break-word}
.breadcrumb{font-size:13px;color:var(--muted);margin-top:4px}
.topbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.user-chip{background:var(--light);padding:8px 12px;border-radius:999px;font-size:13px;max-width:100%;word-break:break-word}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:20px;overflow:hidden}
.card-title{font-size:18px;margin:0 0 14px 0;line-height:1.2}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px}.kpi .label{font-size:13px;color:var(--muted);margin-bottom:8px}.kpi .value{font-size:28px;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:10px;padding:10px 14px;cursor:pointer;font-weight:600;text-align:center}.btn-sm{padding:8px 10px;font-size:12px}.btn-primary{background:var(--primary);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-warning{background:var(--warning);color:#fff}.btn-light{background:var(--light);color:var(--text);border:1px solid var(--line)}
.actions{display:flex;gap:8px;flex-wrap:wrap}.table-wrap{overflow:auto;-webkit-overflow-scrolling:touch}table{width:100%;border-collapse:collapse;background:var(--panel)}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top;word-break:break-word}th{background:#f8fafc}
.form-grid{display:grid;gap:14px}.form-row-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-row-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
input,select,textarea{width:100%;max-width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:11px 12px;background:#fff}textarea{min-height:96px;resize:vertical}label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:12px;border:1px solid transparent}.alert-success{background:#ecfdf5;border-color:#bbf7d0;color:#166534}.alert-danger{background:#fef2f2;border-color:#fecaca;color:#991b1b}.alert-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}.alert-info{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}
.text-muted{color:var(--muted)}.text-right{text-align:right}.badge{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700}.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#dbeafe;color:#1d4ed8}
.login-body{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#0f172a,#1d4ed8)}.login-card{width:min(420px,100%);background:#fff;border-radius:18px;padding:26px;box-shadow:0 20px 50px rgba(0,0,0,.15)}.small-note{font-size:12px;color:var(--muted);margin-top:14px}
.toolbar{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:14px}.filters{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:10px}.empty{padding:24px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:16px;background:#fff}
@media (max-width: 980px){
    .sidebar{position:fixed;left:-300px;top:0;bottom:0;z-index:30;transition:.2s;overflow:auto;padding-bottom:32px}
    .sidebar.open{left:0}
    .sidebar-overlay{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:25;display:none}
    .sidebar-overlay.open{display:block}
    .content{padding:12px}
    .grid-4,.grid-3,.grid-2,.form-row-2,.form-row-3,.filters{grid-template-columns:1fr}
    .topbar{gap:10px;align-items:stretch;padding:10px 12px;margin-bottom:12px;border-radius:12px}
    .topbar h1{font-size:18px}
    .breadcrumb{display:none}
    .topbar-right{justify-content:stretch}
    .user-chip{font-size:12px;padding:6px 10px}
    .card{padding:14px;border-radius:12px;margin-bottom:12px}
    .card-title{font-size:16px}
    .toolbar{flex-direction:column}
    .toolbar > *, .toolbar .actions, .toolbar form{width:100%}
    .actions .btn, .toolbar .btn{width:100%}
    .topbar-logout{width:auto}
}
@media (max-width: 640px){
    .content{padding:10px}
    .topbar-left{align-items:flex-start}
    th{display:none}
    table,tbody,tr,td{display:block;width:100%}
    tr{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:10px;padding:8px}
    td{border-bottom:none;padding:8px 8px 8px 44%;position:relative;min-height:36px}
    td::before{content:attr(data-label);position:absolute;left:8px;top:8px;width:calc(44% - 16px);font-weight:700;color:var(--muted)}
    td.actions, .actions{padding-left:0}
    td.actions::before{display:none}
    .actions .btn{width:100%}
    .btn{min-height:42px}
}