:root {
  --bg: #12171a;
  --bg-panel: #1a2023;
  --bg-panel2: #21282c;
  --bg-hover: #2a3237;
  --border: #3a3c3d;
  --text: #ececec;
  --text-dim: #9aa1a5;
  --accent: #f68c3d;
  --accent2: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --violet: #a78bfa;
  --radius: 12px;
  font-size: 15px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  height: 100vh;
  overflow: hidden;
}
.hidden { display: none !important; }

/* ---------- Login ---------- */
.login-screen {
  height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 600px at 70% -10%, #2a3237 0%, var(--bg) 55%);
}
.login-card {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 40px 36px; width: 360px; box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.login-logo {
  width: auto; max-width: 200px; max-height: 64px; object-fit: contain;
  margin: 0 auto 20px; display: block;
}
.login-card h1 { font-size: 22px; font-weight: 700; }
.login-sub { color: var(--text-dim); font-size: 13px; margin: 4px 0 24px; }
.login-card label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 14px; }
.login-card input {
  display: block; width: 100%; margin-top: 6px; padding: 11px 12px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 14px; outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.login-error { color: var(--danger); font-size: 13px; margin-bottom: 10px; }
.btn-primary {
  width: 100%; padding: 12px; border: none; border-radius: 8px; cursor: pointer;
  background: var(--accent); color: #fff; font-size: 15px; font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-primary:disabled { opacity: .6; cursor: wait; }

/* ---------- Layout ---------- */
.app { display: flex; height: 100vh; }
.sidebar {
  width: 265px; min-width: 265px; background: var(--bg-panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 18px 14px;
}
.sidebar-brand { display: flex; gap: 12px; align-items: center; padding: 4px 8px 20px; }
.brand-mark {
  width: auto; height: 38px; max-width: 170px; object-fit: contain; display: block;
}
.brand-name { font-weight: 700; font-size: 16px; }
.brand-sub { font-size: 12px; color: var(--text-dim); }
.nav { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.nav button {
  text-align: left; padding: 10px 12px; border: none; border-radius: 8px; cursor: pointer;
  background: transparent; color: var(--text-dim); font-size: 13.5px; line-height: 1.3;
}
.nav button:hover { background: var(--bg-hover); color: var(--text); }
.nav button.active { background: var(--bg-hover); color: var(--text); font-weight: 600; box-shadow: inset 3px 0 0 var(--accent); }
.sidebar-footer { border-top: 1px solid var(--border); padding-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.user-chip { display: flex; gap: 10px; align-items: center; }
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--bg-hover); font-weight: 700; color: var(--accent);
}
.user-name { font-size: 13px; font-weight: 600; }
.user-role { font-size: 11px; color: var(--text-dim); }
.btn-ghost {
  padding: 8px; border-radius: 8px; border: 1px solid var(--border); background: transparent;
  color: var(--text-dim); cursor: pointer; font-size: 13px;
}
.btn-ghost:hover { color: var(--text); background: var(--bg-hover); }

.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--bg-panel);
}
.topbar h2 { font-size: 18px; font-weight: 700; }
.range-picker { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.range-btn {
  padding: 7px 12px; border-radius: 7px; border: 1px solid var(--border); background: transparent;
  color: var(--text-dim); cursor: pointer; font-size: 12.5px;
}
.range-btn:hover { background: var(--bg-hover); color: var(--text); }
.range-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.range-input {
  padding: 7px 9px; border-radius: 7px; border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 12.5px; color-scheme: dark;
}
.range-sep { color: var(--text-dim); }

.content { flex: 1; overflow-y: auto; padding: 20px 24px; }
.content.loading { opacity: .5; }

/* ---------- Grid & cards ---------- */
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2-1 { grid-template-columns: 2fr 1fr; }
.grid.cols-1-2 { grid-template-columns: 1fr 2fr; }
@media (max-width: 1100px) { .grid.cols-2, .grid.cols-3, .grid.cols-2-1, .grid.cols-1-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px;
}
.card h3 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 12px; }
.card h3 .hint { color: var(--text-dim); font-weight: 400; font-size: 12px; margin-left: 6px; }
.chart-box { position: relative; height: 300px; }
.chart-box.tall { height: 380px; }
.chart-box.short { height: 240px; }

/* KPI */
.kpi { display: flex; flex-direction: column; gap: 4px; }
.kpi .kpi-value { font-size: 26px; font-weight: 800; }
.kpi .kpi-label { font-size: 12px; color: var(--text-dim); }
.kpi .kpi-sub { font-size: 11.5px; color: var(--text-dim); }
.kpi.green .kpi-value { color: var(--accent2); }
.kpi.blue .kpi-value { color: var(--accent); }
.kpi.amber .kpi-value { color: var(--warn); }
.kpi.violet .kpi-value { color: var(--violet); }
.kpi.red .kpi-value { color: var(--danger); }

.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 16px; }

/* Table */
.table-wrap { overflow: auto; max-height: 420px; border-radius: 8px; border: 1px solid var(--border); }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th {
  position: sticky; top: 0; background: var(--bg-panel2); color: var(--text-dim);
  text-align: left; padding: 10px 12px; font-weight: 600; font-size: 12px; white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
table.data td { padding: 9px 12px; border-bottom: 1px solid rgba(42,53,80,.5); white-space: nowrap; }
table.data tr:hover td { background: rgba(79,140,255,.06); }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pct { font-weight: 700; }
.pct.bad { color: var(--danger); }
.pct.warn { color: var(--warn); }
.pct.ok { color: var(--accent2); }

/* Controls inside cards */
.card-controls { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.select, .input {
  padding: 8px 10px; border-radius: 7px; border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 13px; outline: none;
}
.select:focus, .input:focus { border-color: var(--accent); }
.btn {
  padding: 8px 14px; border-radius: 7px; border: 1px solid var(--border); background: var(--bg-panel2);
  color: var(--text); cursor: pointer; font-size: 13px;
}
.btn:hover { background: var(--bg-hover); }
.btn.accent { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: rgba(239,68,68,.12); }

/* Admin users */
.admin-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.admin-form label { font-size: 12.5px; color: var(--text-dim); }
.admin-form input, .admin-form select {
  display: block; width: 100%; margin-top: 5px; padding: 9px 10px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 7px; color: var(--text); font-size: 13px;
}
.form-actions { grid-column: 1 / -1; display: flex; gap: 10px; margin-top: 4px; }
.badge {
  display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 700;
}
.badge.admin { background: rgba(167,139,250,.18); color: var(--violet); }
.badge.viewer { background: rgba(246,140,61,.15); color: var(--accent); }
.badge.active { background: rgba(34,197,94,.15); color: var(--accent2); }
.badge.inactive { background: rgba(239,68,68,.15); color: var(--danger); }

.toast {
  position: fixed; bottom: 20px; right: 20px; z-index: 50;
  background: var(--bg-panel2); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 18px; font-size: 13.5px; box-shadow: 0 10px 30px rgba(0,0,0,.5);
  animation: slidein .2s ease;
}
.toast.error { border-color: var(--danger); color: #fecaca; }
.toast.ok { border-color: var(--accent2); }
@keyframes slidein { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }

.empty-note { color: var(--text-dim); font-size: 13px; padding: 24px; text-align: center; }