:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-2: #f8f9fb;
  --text: #1c2230;
  --muted: #667085;
  --border: #e3e6ec;
  --accent: #4f46e5;
  --accent-soft: #eef0ff;
  --danger: #dc2626;
  --danger-soft: #fdecec;
  --ok: #16a34a;
  --ok-soft: #e8f7ee;
  --warn: #b45309;
  --warn-soft: #fff6e5;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 1px 3px rgba(16, 24, 40, 0.06);
  --radius: 10px;
  --side: 224px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0f1218;
    --panel: #171b23;
    --panel-2: #1c212b;
    --text: #e6e9ef;
    --muted: #97a0b1;
    --border: #2a303c;
    --accent: #818cf8;
    --accent-soft: #232748;
    --danger: #f87171;
    --danger-soft: #3a1d1f;
    --ok: #4ade80;
    --ok-soft: #173024;
    --warn: #fbbf24;
    --warn-soft: #362a12;
    --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --bg: #0f1218; --panel: #171b23; --panel-2: #1c212b; --text: #e6e9ef; --muted: #97a0b1; --border: #2a303c;
  --accent: #818cf8; --accent-soft: #232748; --danger: #f87171; --danger-soft: #3a1d1f; --ok: #4ade80; --ok-soft: #173024;
  --warn: #fbbf24; --warn-soft: #362a12; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0; font-weight: 650; }
h2 { font-size: 15px; margin: 0 0 12px; font-weight: 600; }
h3 { font-size: 13px; margin: 0 0 8px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
code, .mono { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.hidden { display: none !important; }

/* ---------- Layout ---------- */
.app { display: flex; min-height: 100vh; }
.side {
  width: var(--side); flex: none; background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 18px 14px; font-weight: 700; font-size: 15px; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.nav { padding: 6px 10px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; flex: 1; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--text); font-weight: 500;
}
.nav a:hover { background: var(--panel-2); text-decoration: none; }
.nav a.active { background: var(--accent-soft); color: var(--accent); }
.nav .sep { margin: 12px 10px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.nav .count { margin-left: auto; background: var(--accent); color: #fff; border-radius: 99px; font-size: 11px; padding: 0 7px; line-height: 18px; }
.side-foot { padding: 12px 18px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.main { flex: 1; min-width: 0; padding: 22px 28px 60px; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.topbar .spacer { flex: 1; }
.mobile-bar { display: none; }
svg.i { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 900px) {
  .side { position: fixed; left: 0; top: 0; z-index: 40; transform: translateX(-100%); transition: transform .2s; }
  .side.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.25); }
  .mobile-bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 30; }
  .app { flex-direction: column; }
  .main { padding: 16px 16px 60px; }
}

/* ---------- Components ---------- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.card + .card { margin-top: 14px; }
.grid > .card { margin-top: 0; }
.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.auto { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
@media (max-width: 1100px) { .grid.cols-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) { .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; } }

.btn {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); background: var(--panel); color: var(--text);
  padding: 7px 12px; border-radius: 8px; font: inherit; font-weight: 550; cursor: pointer; white-space: nowrap; line-height: 1.2;
}
.btn:hover { background: var(--panel-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 4px 9px; font-size: 12.5px; }
.btn.icon { padding: 6px; }
.btn:disabled { opacity: .55; cursor: default; }
.btn .i { width: 16px; height: 16px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; width: 100%;
}
input[type='checkbox'] { width: 16px; height: 16px; accent-color: var(--accent); padding: 0; }
input[type='color'] { padding: 2px; height: 34px; width: 60px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
textarea { min-height: 70px; resize: vertical; }
label.f { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; font-weight: 550; color: var(--muted); }
label.f > span.hint { font-weight: 400; }
label.chk { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.form { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form { grid-template-columns: 1fr; } }

.badge {
  display: inline-flex; align-items: center; gap: 5px; border-radius: 99px; padding: 2px 9px; font-size: 12px; font-weight: 600; white-space: nowrap;
  background: color-mix(in srgb, var(--c, #64748b) 14%, transparent); color: color-mix(in srgb, var(--c, #64748b) 80%, var(--text));
}
.badge.dot::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.pill { display: inline-block; padding: 1px 7px; border-radius: 5px; font-size: 11.5px; font-weight: 600; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.pill.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.pill.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.pill.err { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.chan { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.chan::before { content: ''; width: 8px; height: 8px; border-radius: 3px; background: var(--c); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); padding: 9px 12px; border-bottom: 1px solid var(--border); background: var(--panel-2); white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover td { background: var(--panel-2); }
tr.sel td { background: var(--accent-soft) !important; }
td.w-chk, th.w-chk { width: 34px; padding-right: 0; }
.items-short { color: var(--muted); font-size: 12.5px; max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty { padding: 40px; text-align: center; color: var(--muted); }

/* ---------- Tabs / filters ---------- */
.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px; }
.tab { border: 1px solid var(--border); background: var(--panel); padding: 5px 11px; border-radius: 99px; cursor: pointer; font-weight: 550; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; color: var(--text); }
.tab .n { color: var(--muted); font-weight: 500; }
.tab.active { background: var(--text); border-color: var(--text); color: var(--panel); }
.tab.active .n { color: inherit; opacity: .75; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filters > * { width: auto; }
.filters input[type='search'] { min-width: 240px; flex: 1; }
.bulk { position: sticky; top: 0; z-index: 5; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; background: var(--accent-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 12px; margin-bottom: 10px; }
.bulk select { width: auto; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 12px; }

/* ---------- Stat tiles ---------- */
.stat { display: block; color: inherit; }
.stat:hover { text-decoration: none; border-color: var(--accent); }
.stat .v { font-size: 26px; font-weight: 700; line-height: 1.1; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat .l { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; border-radius: var(--radius); background: var(--warn-soft); color: var(--warn); margin-bottom: 12px; }
.alert.err { background: var(--danger-soft); color: var(--danger); }
.alert.ok { background: var(--ok-soft); color: var(--ok); }
.alert.info { background: var(--accent-soft); color: var(--accent); }
.alert a { color: inherit; text-decoration: underline; }

/* ---------- Detail ---------- */
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 8px 0 8px 18px; border-left: 2px solid var(--border); margin-left: 5px; position: relative; font-size: 13px; }
.timeline li::before { content: ''; position: absolute; left: -6px; top: 13px; width: 10px; height: 10px; border-radius: 50%; background: var(--panel); border: 2px solid var(--border); }
.timeline li.error::before { border-color: var(--danger); }
.timeline li.status::before { border-color: var(--accent); }
.timeline li.invoice::before, .timeline li.shipment::before { border-color: var(--ok); }
.timeline time { display: block; font-size: 11.5px; color: var(--muted); }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 10px; }
.section-head h2 { margin: 0; }

/* ---------- Modal / toast ---------- */
.modal-back { position: fixed; inset: 0; background: rgba(15, 18, 24, .45); z-index: 100; display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; overflow-y: auto; }
.modal { background: var(--panel); border-radius: 14px; width: min(720px, 100%); box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.modal.wide { width: min(980px, 100%); }
.modal-h { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-h h2 { margin: 0; }
.modal-b { padding: 18px 20px; }
.modal-f { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--text); color: var(--panel); padding: 10px 14px; border-radius: 10px; box-shadow: 0 6px 20px rgba(0,0,0,.2); max-width: 420px; font-weight: 500; }
.toast.err { background: var(--danger); color: #fff; }
.toast.ok { background: var(--ok); color: #fff; }

.fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px; }
.fieldset > legend { padding: 0 6px; font-weight: 600; font-size: 13px; }
.rule-row { display: grid; grid-template-columns: 1.3fr 1fr 1.3fr auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.rule-row.act { grid-template-columns: 1.3fr 2.3fr auto; }
@media (max-width: 640px) { .rule-row, .rule-row.act { grid-template-columns: 1fr; } }
.rule-flow { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 13px; }
.rule-flow .k { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: .05em; }
.switch { position: relative; width: 36px; height: 20px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--border); border-radius: 99px; transition: .15s; cursor: pointer; }
.switch span::before { content: ''; position: absolute; width: 16px; height: 16px; left: 2px; top: 2px; background: #fff; border-radius: 50%; transition: .15s; }
.switch input:checked + span { background: var(--ok); }
.switch input:checked + span::before { transform: translateX(16px); }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login { width: min(380px, 100%); }
.login .brand { padding: 0 0 18px; justify-content: center; font-size: 18px; }
.spinner { width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading { padding: 40px; display: flex; justify-content: center; }
.tip { font-size: 12.5px; color: var(--muted); background: var(--panel-2); border: 1px dashed var(--border); border-radius: 8px; padding: 9px 12px; }
.tip b { color: var(--text); }