:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --shadow:0 10px 30px rgba(2,6,23,.08);
  --blue:#2563eb;
  --nav:#0b1220;
  --nav2:#111a2e;
}

*{ box-sizing:border-box; }

body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  margin:0;
  color:var(--text);
}

a{ color:var(--blue); }

.layout{ display:flex; min-height:100vh; }

.sidebar{
  width:260px;
  background:linear-gradient(180deg,var(--nav),var(--nav2));
  color:#cbd5e1;
  padding:18px 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  margin-bottom:14px;
}

.brand .logo{
  width:36px; height:36px;
  border-radius:10px;
  background:rgba(37,99,235,.25);
  display:flex; align-items:center; justify-content:center;
  font-weight:800; color:#93c5fd;
}

.brand .title{ font-weight:800; color:#fff; line-height:1.1; }
.brand .subtitle{ font-size:12px; color:#94a3b8; }

.nav-section{ margin-top:14px; }
.nav-section .label{ padding:10px 12px; font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:#94a3b8; }

.sidebar a{
  color:#cbd5e1;
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
}

.sidebar a:hover{ background:rgba(255,255,255,.06); }

.sidebar a.active{ background:rgba(37,99,235,.18); color:#fff; }

.content{ flex:1; display:flex; flex-direction:column; }

.topbar{
  position:sticky; top:0; z-index:10;
  background:rgba(246,247,251,.8);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
  padding:14px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.topbar .page-title{ font-weight:900; letter-spacing:-.02em; }
.topbar .right{ display:flex; align-items:center; gap:10px; color:var(--muted); }

.pill{ padding:6px 10px; border-radius:999px; background:#fff; border:1px solid var(--border); font-size:12px; color:var(--muted); }

.container{ max-width:1180px; margin:22px auto; padding:0 18px; width:100%; }

.card{ background:var(--card); border-radius:16px; padding:18px; box-shadow:var(--shadow); border:1px solid rgba(226,232,240,.7); }
.card.soft{ box-shadow:none; border:1px solid var(--border); }

.grid{ display:grid; gap:14px; }
.grid.cols-4{ grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid.cols-3{ grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.cols-2{ grid-template-columns: repeat(2, minmax(0,1fr)); }

@media (max-width: 1024px){
  .sidebar{ width:230px; }
  .grid.cols-4{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 720px){
  .layout{ display:block; }
  .sidebar{ width:100%; min-height:auto; }
  .grid.cols-3,.grid.cols-2{ grid-template-columns: 1fr; }
}

.stat{ display:flex; justify-content:space-between; align-items:flex-start; gap:10px; }
.stat .kpi{ font-size:26px; font-weight:900; letter-spacing:-.02em; }
.stat .name{ color:var(--muted); font-size:13px; }
.stat .hint{ color:var(--muted); font-size:12px; margin-top:2px; }
.stat .icon{
  width:40px; height:40px; border-radius:14px;
  background:#eef2ff; color:#1d4ed8;
  display:flex; align-items:center; justify-content:center;
  font-weight:900;
}

.btn{ background:var(--blue); color:#fff; padding:10px 14px; border-radius:10px; text-decoration:none; display:inline-flex; align-items:center; gap:8px; border:0; cursor:pointer; font-weight:700; }
.btn:hover{ filter:brightness(.95); }
.btn.secondary{ background:#eef2ff; color:#1d4ed8; }
.btn.ghost{ background:transparent; color:#0f172a; border:1px solid var(--border); }
.btn.danger{ background:#ef4444; }

.form-control{ width:100%; padding:10px 12px; border:1px solid var(--border); border-radius:12px; margin:6px 0 14px; background:#fff; }
.form-row{ display:grid; grid-template-columns: repeat(12, 1fr); gap:12px; }
.col-3{ grid-column: span 3; }
.col-4{ grid-column: span 4; }
.col-6{ grid-column: span 6; }
.col-8{ grid-column: span 8; }
.col-12{ grid-column: span 12; }
@media (max-width: 920px){
  .col-3,.col-4,.col-6,.col-8{ grid-column: span 12; }
}

.table{ width:100%; border-collapse:collapse; overflow:hidden; }
.table th{ font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; padding:10px; border-bottom:1px solid var(--border); }
.table td{ padding:12px 10px; border-bottom:1px solid rgba(226,232,240,.8); vertical-align:top; }
.table tr:hover td{ background:#fafbff; }

.badge{ display:inline-flex; align-items:center; gap:6px; padding:5px 10px; border-radius:999px; font-size:12px; font-weight:800; border:1px solid transparent; }
.badge.open{ background:#fff7ed; color:#9a3412; border-color:#fed7aa; }
.badge.in_progress{ background:#eff6ff; color:#1d4ed8; border-color:#bfdbfe; }
.badge.waiting_user{ background:#f1f5f9; color:#334155; border-color:#e2e8f0; }
.badge.closed{ background:#ecfdf5; color:#065f46; border-color:#a7f3d0; }

.muted{ color:var(--muted); }
.h1{ font-size:24px; font-weight:900; margin:0; }
.h2{ font-size:16px; font-weight:800; margin:0; }
.mt-1{ margin-top:8px; }
.mt-2{ margin-top:14px; }
.mt-3{ margin-top:18px; }
.flex{ display:flex; }
.between{ justify-content:space-between; }
.gap{ gap:10px; }
.right{ justify-content:flex-end; }

.alert{ padding:12px 14px; border-radius:14px; border:1px solid var(--border); background:#fff; }
.alert.ok{ border-color:#bbf7d0; background:#f0fdf4; color:#166534; }
.alert.err{ border-color:#fecaca; background:#fef2f2; color:#991b1b; }

.divider{ height:1px; background:var(--border); margin:14px 0; }

.kpi-mini{ font-size:12px; color:var(--muted); }