:root {
  color-scheme: dark;
  --ink: #080c10;
  --panel: #10171d;
  --panel-2: #151e25;
  --line: #25313a;
  --text: #eef5f9;
  --muted: #a0adb8;
  --accent: #76d8f4;
  --accent-bright: #b3ecff;
  --gold: #f0b429;
  --blue: #3d9cf0;
  --purple: #c084fc;
  --green: #3ddc97;
  --red: #e5484d;
  --radius: 16px;
}

* { box-sizing: border-box; }

html { background: var(--ink); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font: 16px/1.55 "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 0% -10%, rgba(118, 216, 244, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(240, 180, 41, 0.05), transparent 45%),
    var(--ink);
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  padding: 8px 12px;
  background: var(--accent);
  color: #08151d;
  font-weight: 700;
}

.skip-link:focus { top: 12px; }

#app { min-height: 100vh; }

.login {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.card, .panel, .kpi, .detail, .table-wrap, .customer-card, .order-row {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card {
  width: min(440px, 100%);
  padding: 32px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #08151d;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: -0.06em;
  border: 1px solid rgba(118, 216, 244, 0.35);
  margin-bottom: 16px;
}

.card h1, .page-title, .detail h2 {
  margin: 0 0 8px;
  letter-spacing: -0.05em;
}

.muted { color: var(--muted); }

label {
  display: grid;
  gap: 6px;
  margin: 16px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #0b1117;
  border-radius: 10px;
  padding: 10px 12px;
}

.app-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.nav {
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: rgba(16, 23, 29, 0.72);
}

.nav strong {
  display: block;
  letter-spacing: -0.04em;
  font-size: 1.05rem;
}

.nav .muted { font-size: 0.82rem; }

.nav-links {
  display: grid;
  gap: 6px;
  margin: 22px 0;
}

.nav-links a, .nav-links button.nav-link {
  display: block;
  width: 100%;
  text-align: left;
  text-decoration: none;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 12px;
}

.nav-links a[aria-current="page"], .nav-links button.nav-link[aria-current="page"] {
  background: rgba(118, 216, 244, 0.12);
  border-color: rgba(118, 216, 244, 0.28);
  color: var(--accent-bright);
}

.main { padding: 28px 32px 64px; }

.top-row, .filters, .kpi-grid, .split, .status-actions, .tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.top-row {
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 22px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.kpi { padding: 16px 18px; }
.kpi span { display: block; color: var(--muted); font-size: 0.82rem; letter-spacing: 0.03em; text-transform: uppercase; }
.kpi strong { display: block; margin-top: 6px; font-size: 1.45rem; letter-spacing: -0.04em; }

.button {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: var(--accent);
  color: #08151d;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button-secondary, .tab {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.tab {
  border-radius: 999px;
  padding: 8px 14px;
}

.tab[aria-selected="true"] {
  background: var(--accent);
  color: #08151d;
  border-color: transparent;
  font-weight: 700;
}

.filters { margin: 0 0 18px; align-items: center; }
.filters input, .filters select { width: auto; min-width: 180px; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 16px;
}

.table-wrap { overflow: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }

tr.selected { background: rgba(118, 216, 244, 0.06); }

.order-row, .customer-card {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  text-align: left;
  padding: 12px 14px;
  margin-bottom: 8px;
}

.detail { padding: 20px; align-self: start; position: sticky; top: 16px; }

.detail dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 8px 12px;
  margin: 16px 0;
}

.detail dt { color: var(--muted); }

.notes, .history {
  white-space: pre-wrap;
  background: #0b1117;
  border-radius: 12px;
  padding: 12px;
  margin: 8px 0 16px;
}

.badge {
  display: inline-flex;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-pending_payment { color: #3d2a00; background: var(--gold); }
.badge-paid { color: #08151d; background: var(--accent); }
.badge-processing { color: #031424; background: var(--blue); }
.badge-waiting_on_customer { color: #1b0b2b; background: var(--purple); }
.badge-ready { color: #08151d; background: var(--accent-bright); }
.badge-completed { color: #032016; background: var(--green); }
.badge-cancelled, .badge-refunded { color: #fff; background: var(--red); }
.badge-refunded { background: #5c6b75; }

.error { color: #ffb4b4; min-height: 1.3em; }
.empty { color: var(--muted); padding: 24px 0; }

.stack { display: grid; gap: 12px; }
.user-meta { font-size: 0.88rem; color: var(--muted); margin-bottom: 16px; }

@media (max-width: 980px) {
  .app-shell, .split, .kpi-grid, .detail dl, .order-row { grid-template-columns: 1fr; }
  .nav { border-right: 0; border-bottom: 1px solid var(--line); }
  .detail { position: static; }
  .main { padding: 20px 16px 48px; }
}