:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #0f172a;
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --text: #0f172a;
  --muted: #64748b;
  --border: #dbe5f0;
  --shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Cairo', sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
}
.stack, .stack-sm { display: grid; gap: 14px; }
.stack-sm { gap: 8px; }
.full-width { width: 100%; }
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #e0f2fe 0%, #f8fafc 60%, #dbeafe 100%);
}
.login-card {
  width: min(100%, 460px);
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.login-card h1 { margin: 0 0 10px; }
.demo-box {
  margin-top: 16px;
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: 16px;
  background: #f8fafc;
  display: grid;
  gap: 4px;
  font-size: 14px;
}
code {
  background: #e2e8f0;
  padding: 2px 8px;
  border-radius: 999px;
}
label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
}
.input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  background: white;
  font: inherit;
  color: var(--text);
}
.input:focus {
  outline: 2px solid rgba(14,165,233,0.15);
  border-color: var(--primary);
}
.select { cursor: pointer; }
.textarea { min-height: 110px; resize: vertical; }
.btn {
  border: 0;
  border-radius: 14px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}
.btn-secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-success { background: rgba(22,163,74,0.12); color: var(--success); }
.btn-warning { background: rgba(217,119,6,0.12); color: var(--warning); }
.btn-danger { background: rgba(220,38,38,0.12); color: var(--danger); }
.small { padding: 10px 12px; font-size: 13px; }
.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--surface-alt);
  color: white;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
}
.sidebar h2 { margin: 0 0 6px; }
.nav-link {
  width: 100%;
  text-align: right;
  background: transparent;
  color: #cbd5e1;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.nav-link.active,
.nav-link:hover {
  color: white;
  background: rgba(14,165,233,0.18);
  border-color: rgba(125,211,252,0.2);
}
.main-content {
  padding: 24px;
  display: grid;
  gap: 18px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 8px 0 4px;
}
.topbar h1 { margin: 0; }
.view { display: none; }
.view.active { display: grid; gap: 18px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.stat-card,
.panel {
  background: var(--surface);
  border-radius: 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(219,229,240,0.9);
}
.stat-card {
  padding: 20px;
  display: grid;
  gap: 8px;
}
.stat-card strong { font-size: 34px; }
.accent-info { border-top: 4px solid var(--primary); }
.accent-success { border-top: 4px solid var(--success); }
.accent-warning { border-top: 4px solid var(--warning); }
.panel { padding: 20px; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.panel-head.wrap, .actions-row.wrap {
  flex-wrap: wrap;
}
.panel-head h3 { margin: 0; }
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.list { display: grid; gap: 12px; }
.list-item {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid var(--border);
}
.actions-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
}
th, td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
  text-align: right;
  vertical-align: top;
}
th { color: var(--muted); font-size: 13px; }
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 800;
}
.badge.pending { background: rgba(217,119,6,0.12); color: var(--warning); }
.badge.transit { background: rgba(14,165,233,0.12); color: var(--primary-dark); }
.badge.delivered { background: rgba(22,163,74,0.12); color: var(--success); }
.badge.failed { background: rgba(220,38,38,0.12); color: var(--danger); }
.badge.cancelled { background: rgba(220,38,38,0.12); color: var(--danger); }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.span-2 { grid-column: span 2; }
.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-120px);
  background: var(--surface-alt);
  color: white;
  padding: 14px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  z-index: 30;
  transition: transform 0.25s ease;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.inline-status {
  display: flex;
  gap: 8px;
  align-items: center;
}
.inline-status select { min-width: 140px; }
@media (max-width: 1100px) {
  .stats-grid,
  .grid-2,
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    border-bottom-left-radius: 28px;
    border-bottom-right-radius: 28px;
  }
  .stats-grid,
  .grid-2,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .span-2 { grid-column: span 1; }
  .topbar { flex-direction: column; align-items: stretch; }
}