/* ── Helios Dashboard ─────────────────────────────── */
:root {
  --sidebar-w: 250px;
  --dark: #0f172a;
  --dark2: #1e293b;
}
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: #f5f5f3;
  color: #1a1a1a;
  margin: 0;
}

/* ── Sidebar ──────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--dark2);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  z-index: 1040;
  transition: transform 0.25s;
}
.sidebar-brand {
  padding: 24px 20px 16px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-subtitle {
  font-size: 12px;
  font-weight: 400;
  color: #94a3b8;
  margin-top: 2px;
}
.sidebar-nav {
  list-style: none;
  padding: 12px 0;
  margin: 0;
  flex: 1;
}
.sidebar-nav li a {
  display: block;
  padding: 10px 20px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}
.sidebar-nav li a:hover,
.sidebar-nav li a.active {
  color: #fff;
  background: rgba(255,255,255,0.05);
  border-left-color: #3b82f6;
}
.sidebar-nav li a i {
  margin-right: 10px;
  width: 18px;
  text-align: center;
}
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  display: flex;
  align-items: center;
}

/* ── Main content ─────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
}
.topbar {
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-content {
  padding: 24px;
}

/* ── Mobile sidebar ───────────────────────────────── */
@media (max-width: 767.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1035;
    display: none;
  }
  .sidebar.open ~ .main-content ~ .sidebar-overlay,
  .sidebar.open + .main-content + .sidebar-overlay {
    display: block;
  }
}

/* ── Stat cards ───────────────────────────────────── */
.stat-card {
  padding: 16px 20px;
  background: #fafaf8;
  border-radius: 10px;
  border: 1px solid #eee;
}
.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  margin-bottom: 4px;
}
.stat-value {
  font-size: 22px;
  font-weight: 600;
}
.stat-sub {
  font-size: 12px;
  color: #999;
  margin-top: 2px;
}

/* ── Fleet header ─────────────────────────────────── */
.fleet-header {
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  border-radius: 16px;
  padding: 32px 36px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.fleet-header::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(59,130,246,0.15), transparent 70%);
}
.fleet-header-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #94a3b8;
  margin-bottom: 8px;
}

/* ── Courier header ───────────────────────────────── */
.courier-header {
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  border-radius: 14px;
  padding: 24px 28px;
  color: #fff;
  margin-bottom: 20px;
}

/* ── Hourly chart ─────────────────────────────────── */
.hourly-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 120px;
}
.hourly-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
  justify-content: flex-end;
}
.hourly-count {
  font-size: 10px;
  color: #888;
}
.hourly-bar {
  width: 100%;
  border-radius: 3px 3px 0 0;
  min-height: 2px;
  transition: height 0.5s;
}
.hourly-label {
  font-size: 9px;
  color: #aaa;
}

/* ── Legend dots ───────────────────────────────────── */
.legend-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 2px;
  margin-right: 4px;
  vertical-align: middle;
}

/* ── Week cards ───────────────────────────────────── */
.week-card {
  padding: 12px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #f0f0f0;
}

/* ── Courier table ────────────────────────────────── */
.courier-table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.cursor-pointer { cursor: pointer; }
.cursor-pointer:hover { background: #f0f0ee !important; }

/* ── Badges ───────────────────────────────────────── */
.bg-blue { background: rgba(37,99,235,0.12); color: #2563eb; }
.bg-teal { background: rgba(5,150,105,0.12); color: #059669; }

/* ── TPUH performance ─────────────────────────────── */
.tpuh-low { color: #dc2626; }                          /* < 3.50 */
.tpuh-ok  { color: #16a34a; }                          /* 3.50 - 3.99 */
.tpuh-prime { color: #d97706; }                         /* >= 4.00 prime */
.tpuh-card.tpuh-low { border-color: #fca5a5; background: #fef2f2; }
.tpuh-card.tpuh-ok  { border-color: #86efac; background: #f0fdf4; }
.tpuh-card.tpuh-prime { border-color: #fcd34d; background: #fffbeb; }
.tpuh-card.tpuh-prime .stat-value { color: #b45309; }
.tpuh-card.tpuh-prime .bi-star-fill { color: #f59e0b; }
.tpuh-card.tpuh-low .stat-value { color: #dc2626; }
.tpuh-card.tpuh-ok .stat-value { color: #16a34a; }

/* ── Login card ───────────────────────────────────── */
.login-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px 32px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.login-header {
  text-align: center;
  margin-bottom: 28px;
  color: var(--dark);
}
.login-header i {
  font-size: 36px;
}

/* ── Nav pills ────────────────────────────────────── */
.nav-pills .nav-link {
  font-size: 13px;
  color: #666;
  border-radius: 8px;
}
.nav-pills .nav-link.active {
  background: var(--dark);
  color: #fff;
}