:root {
  --navy: #0f1c3f;
  --navy-light: #16264f;
  --blue: #2563eb;
  --blue-soft: #e8f0fe;
  --green: #16a34a;
  --green-soft: #e6f7ec;
  --orange: #f59e0b;
  --orange-soft: #fef3e2;
  --purple: #7c3aed;
  --purple-soft: #f1e9fe;
  --teal: #0d9488;
  --teal-soft: #e1f5f2;
  --red: #dc2626;
  --red-soft: #fdeaea;
  --bg: #f3f5f9;
  --card-bg: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

/* ---------- Login ---------- */
.login-body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy), #1e3a6d);
}
.login-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 36px 40px;
  width: 340px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-form label { display: flex; flex-direction: column; font-size: 13px; color: var(--text-muted); gap: 6px; }
.login-form input {
  padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); font-size: 14px;
}
.login-form button {
  margin-top: 8px; padding: 11px; border: none; border-radius: 8px;
  background: var(--blue); color: white; font-size: 14px; font-weight: 600; cursor: pointer;
}
.login-form button:hover { background: #1d4ed8; }
.login-error {
  background: var(--red-soft); color: var(--red); padding: 10px 12px; border-radius: 8px;
  font-size: 13px; margin-bottom: 14px;
}

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

.sidebar {
  width: 250px;
  background: var(--navy);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: margin-left .2s ease;
}
.sidebar.collapsed { margin-left: -250px; }
.sidebar-brand { display: flex; align-items: center; gap: 12px; padding: 20px 18px; }
.brand-icon {
  width: 38px; height: 38px; border-radius: 10px; background: var(--blue);
  display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
}
.brand-title { color: white; font-weight: 700; font-size: 16px; }
.brand-subtitle { font-size: 11px; color: #93a3bd; }

.nav { display: flex; flex-direction: column; gap: 2px; padding: 8px 12px; flex: 1; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 8px;
  color: #cbd5e1; text-decoration: none; font-size: 14px;
}
.nav-item:hover { background: var(--navy-light); color: white; }
.nav-item.active { background: var(--blue); color: white; }
.nav-ico { font-size: 15px; width: 18px; text-align: center; }

.logout-link {
  display: flex; align-items: center; gap: 12px; padding: 14px 24px; color: #cbd5e1;
  text-decoration: none; font-size: 14px; border-top: 1px solid #223058;
}
.logout-link:hover { color: white; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  background: var(--card-bg); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px; padding: 14px 24px;
}
.hamburger { background: none; border: none; font-size: 20px; cursor: pointer; }
.topbar h1 { font-size: 20px; margin: 0; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 20px; }
.bell { font-size: 18px; cursor: default; }
.user-chip { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--blue);
  color: white; display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.user-name { font-size: 13px; font-weight: 600; }
.user-role { font-size: 11px; color: var(--text-muted); }

.content { padding: 22px; flex: 1; }
.section { display: none; }
.section.active { display: block; }

.footer { text-align: center; color: var(--text-muted); font-size: 12px; padding: 14px; }

/* ---------- KPI cards ---------- */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }
.kpi-card {
  background: var(--card-bg); border-radius: 12px; padding: 16px 18px; display: flex; gap: 14px;
  align-items: center; box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.kpi-icon {
  width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.kpi-title { font-size: 12px; color: var(--text-muted); }
.kpi-value { font-size: 20px; font-weight: 700; margin-top: 2px; }
.kpi-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ---------- Generic cards ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
.card {
  background: var(--card-bg); border-radius: 12px; padding: 18px; margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.card h3 { margin: 0 0 14px 0; font-size: 15px; }
.card-head { display: flex; align-items: center; justify-content: space-between; }
.card-head a { font-size: 13px; color: var(--blue); text-decoration: none; }
.card canvas { max-height: 280px; }

.placeholder-card { text-align: center; padding: 60px 20px; }
.placeholder-icon { font-size: 40px; margin-bottom: 10px; }
.placeholder-card p { color: var(--text-muted); max-width: 420px; margin: 8px auto 0; }

/* ---------- Filters ---------- */
.filters {
  display: flex; gap: 12px; flex-wrap: wrap; background: var(--card-bg); padding: 14px 16px;
  border-radius: 12px; margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.filters label { display: flex; flex-direction: column; font-size: 12px; color: var(--text-muted); gap: 4px; }
.filters select, .filters input {
  padding: 7px 10px; border-radius: 7px; border: 1px solid var(--border); font-size: 13px; min-width: 160px;
}

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th {
  text-align: left; padding: 8px 10px; color: var(--text-muted); font-weight: 600;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.data-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.data-table tr:last-child td { border-bottom: none; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; display: inline-block; }