/* ============================================================
   منظومة نقل — التصميم الموحَّد
   ============================================================ */
:root {
  --navy: #065A82;
  --navy-dk: #044060;
  --navy-lt: #1A7BA8;
  --gold: #FFC947;
  --gold-dk: #E5A823;
  --blue: #3B82F6;
  --blue-bg: #EFF6FF;
  --blue-dk: #1D4ED8;
  --purple: #8B5CF6;
  --purple-bg: #F5F3FF;
  --purple-dk: #6D28D9;
  --green: #10B981;
  --green-bg: #F0FDF4;
  --indigo: #6366F1;
  --indigo-bg: #EEF2FF;
  --bg: #F8FAFC;
  --card: #FFFFFF;
  --text: #1A1A1A;
  --muted: #6B7280;
  --border: #E5E7EB;
  --green-dk: #1E8449;
  --amber: #D68910;
  --red: #C0392B;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Tajawal', 'Segoe UI', 'Arial', 'Tahoma', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  direction: rtl;
}
.container { max-width: 1500px; margin: 0 auto; padding: 24px; }

/* Loading state */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  flex-direction: column;
  gap: 16px;
  color: var(--muted);
}
.loading .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Error state */
.error {
  background: #FEF2F2;
  border: 2px solid var(--red);
  border-radius: 14px;
  padding: 28px;
  margin: 24px 0;
  color: #7F1D1D;
}
.error h3 { color: var(--red); margin-bottom: 12px; font-size: 18px; }

/* Header */
.header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dk) 100%);
  color: white;
  padding: 36px 32px;
  border-radius: 16px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 50%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255, 201, 71, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.header-content { position: relative; z-index: 1; }
.header h1 { font-size: 28px; font-weight: 900; margin-bottom: 8px; }
.header .subtitle { font-size: 16px; opacity: 0.92; font-weight: 400; margin-bottom: 4px; }
.header .meta { font-size: 13px; opacity: 0.75; margin-top: 12px; font-style: italic; }
.badge-row { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.badge {
  background: rgba(255, 201, 71, 0.18);
  border: 1px solid rgba(255, 201, 71, 0.5);
  color: var(--gold);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}
.badge.blue-b { background: rgba(59, 130, 246, 0.2); border-color: rgba(59, 130, 246, 0.5); color: #93C5FD; }
.badge.purple-b { background: rgba(139, 92, 246, 0.2); border-color: rgba(139, 92, 246, 0.5); color: #C4B5FD; }
.badge.green-b { background: rgba(16, 185, 129, 0.2); border-color: rgba(16, 185, 129, 0.5); color: #6EE7A8; }

/* Section title */
.section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin: 32px 0 18px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--gold);
  display: inline-block;
  padding-left: 16px;
  padding-right: 16px;
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.kpi {
  background: var(--card);
  padding: 22px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  border-top: 4px solid var(--navy);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: transform 0.15s, box-shadow 0.15s;
}
.kpi.blue { border-top-color: var(--blue); background: linear-gradient(180deg, var(--blue-bg) 0%, white 60%); }
.kpi.purple { border-top-color: var(--purple); background: linear-gradient(180deg, var(--purple-bg) 0%, white 60%); }
.kpi.gold { border-top-color: var(--gold); background: linear-gradient(180deg, #FFFCF3 0%, white 60%); }
.kpi.green { border-top-color: var(--green); background: linear-gradient(180deg, var(--green-bg) 0%, white 60%); }
.kpi:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(6, 90, 130, 0.12); }
.kpi-label { font-size: 13px; color: var(--muted); font-weight: 500; margin-bottom: 8px; }
.kpi-value { font-size: 32px; font-weight: 900; color: var(--navy); line-height: 1; }
.kpi.blue .kpi-value { color: var(--blue-dk); }
.kpi.purple .kpi-value { color: var(--purple-dk); }
.kpi-sub { font-size: 11px; color: var(--muted); margin-top: 8px; }

/* Chart grid */
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 28px; }
.chart-grid.three { grid-template-columns: 1fr 1fr 1fr; }
.chart-card {
  background: var(--card);
  border-radius: 14px;
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.chart-card h3 { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.chart-card .chart-sub { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.chart-container { position: relative; height: 280px; }
.chart-container.tall { height: 380px; }

/* Tables */
.table-card {
  background: var(--card);
  border-radius: 14px;
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  margin-bottom: 24px;
  overflow: hidden;
}
.table-card h3 { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.table-card .chart-sub { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
thead th {
  background: var(--navy);
  color: white;
  padding: 11px 12px;
  text-align: right;
  font-weight: 700;
  font-size: 12.5px;
  white-space: nowrap;
}
thead th:first-child { border-top-right-radius: 8px; }
thead th:last-child { border-top-left-radius: 8px; }
tbody td {
  padding: 9px 12px;
  text-align: right;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
tbody tr:nth-child(even) { background: #F8FAFC; }
tbody tr:hover { background: #FFF8E1; }
tbody td.num { font-variant-numeric: tabular-nums; font-weight: 500; text-align: center; }
tbody td.bold { font-weight: 700; color: var(--navy); }
tbody td.blue-cell { background: var(--blue-bg); color: var(--blue-dk); font-weight: 600; }
tbody td.purple-cell { background: var(--purple-bg); color: var(--purple-dk); font-weight: 600; }
tbody td .tag {
  padding: 2px 8px; border-radius: 6px; font-size: 11px;
  font-weight: 600; display: inline-block;
}
.tag.cat-A { background: #DBEAFE; color: #1E40AF; }
.tag.cat-B { background: #FEF3C7; color: #92400E; }
.tag.cat-D { background: #E0E7FF; color: #4338CA; }
.tag.mode-rd1 { background: var(--blue); color: white; }
.tag.mode-rd2 { background: var(--purple); color: white; }
.tag.mode-shuttle { background: var(--green); color: white; }
.tag.mode-train { background: var(--indigo); color: white; }
.tag.balanced { background: var(--gold); color: var(--navy); }

.split-bar {
  display: flex; height: 22px; width: 100%;
  border-radius: 4px; overflow: hidden; border: 1px solid var(--border);
}
.split-bar .blue-seg { background: var(--blue); color: white; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; min-width: 0; }
.split-bar .purple-seg { background: var(--purple); color: white; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; min-width: 0; }

/* Footer */
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 20px 0; }
.footer .meta { margin-top: 8px; font-size: 11px; opacity: 0.7; }

/* Nav back link */
.nav-back {
  display: inline-block;
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 14px;
}
.nav-back:hover { color: var(--gold-dk); }
.nav-back::before { content: '→ '; }

/* Homepage cards */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.dashboard-card {
  background: var(--card);
  border-radius: 14px;
  padding: 24px;
  border: 1px solid var(--border);
  border-right: 5px solid var(--navy);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.dashboard-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(6, 90, 130, 0.15);
  border-right-color: var(--gold);
}
.dashboard-card .icon { font-size: 36px; margin-bottom: 12px; }
.dashboard-card h3 { color: var(--navy); font-size: 18px; margin-bottom: 8px; font-weight: 700; }
.dashboard-card p { color: var(--muted); font-size: 13px; line-height: 1.7; margin-bottom: 12px; }
.dashboard-card .stats { display: flex; gap: 14px; font-size: 12px; color: var(--navy); font-weight: 600; }
.dashboard-card .stats span::before { content: '◆ '; color: var(--gold-dk); }

@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-grid, .chart-grid.three { grid-template-columns: 1fr; }
  .header h1 { font-size: 22px; }
  .kpi-value { font-size: 26px; }
}