:root {
  --navy: #1f2545;
  --navy-light: #2c3358;
  --accent: #2e7d6b;
  --accent-2: #3a7bd5;
  --bg: #f4f6fb;
  --card: #ffffff;
  --border: #e3e7f0;
  --text: #1c2230;
  --muted: #6b7385;
  --pending: #b8860b;
  --notified: #c2410c;
  --confirmed: #2e7d32;
  --dispatched: #3a7bd5;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--navy);
  color: #fff;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 32px; }
.topbar h1 { margin: 0; font-size: 20px; }
.topbar p { margin: 2px 0 0; font-size: 12px; opacity: .75; }

.ghost-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,.4);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
}
.ghost-btn:hover { background: rgba(255,255,255,.12); }
.toolbar .ghost-btn { color: var(--navy); border-color: var(--border); }
.toolbar .ghost-btn:hover { background: #eef1f8; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  padding: 20px 28px 4px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.stat-card .num { font-size: 26px; font-weight: 700; }
.stat-card .lbl { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px 8px;
}
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters button {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
}
.filters button.active { background: var(--navy); color: #fff; border-color: var(--navy); }

.layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 18px;
  padding: 8px 28px 40px;
  align-items: start;
}
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }

.list-pane, .detail-pane {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
table.orders { width: 100%; border-collapse: collapse; }
.orders th, .orders td { text-align: left; padding: 12px 16px; font-size: 14px; }
.orders thead th { background: #f8f9fd; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.orders tbody tr { border-top: 1px solid var(--border); cursor: pointer; }
.orders tbody tr:hover { background: #f8f9fd; }
.orders tbody tr.selected { background: #eef3ff; }

.empty, .placeholder { padding: 30px; text-align: center; color: var(--muted); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: capitalize;
  color: #fff;
}
.badge.pending { background: var(--pending); }
.badge.payment_notified { background: var(--notified); }
.badge.confirmed { background: var(--confirmed); }
.badge.dispatched { background: var(--dispatched); }

.detail-pane { padding: 22px; }
.detail-pane h2 { margin: 0 0 4px; font-size: 18px; }
.detail-row { margin: 10px 0; font-size: 14px; }
.detail-row .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; display: block; margin-bottom: 2px; }
.items { margin: 8px 0; padding: 0; list-style: none; }
.items li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--border); font-size: 14px; }
.total { font-weight: 700; font-size: 16px; margin-top: 10px; }

.actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.btn.primary { background: var(--accent); }
.btn.secondary { background: var(--accent-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.payment-ref { margin-top: 14px; }
.payment-ref img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }

.convo { margin-top: 18px; max-height: 260px; overflow-y: auto; border-top: 1px solid var(--border); padding-top: 12px; }
.msg { margin: 6px 0; display: flex; }
.msg.in { justify-content: flex-start; }
.msg.out { justify-content: flex-end; }
.bubble { max-width: 80%; padding: 8px 12px; border-radius: 12px; font-size: 13px; white-space: pre-wrap; }
.msg.in .bubble { background: #eef1f8; }
.msg.out .bubble { background: #d9f3e6; }