:root {
  --bg: #0f1419;
  --surface: #1a212b;
  --surface-2: #222b38;
  --border: #2e3947;
  --text: #e8edf2;
  --text-dim: #9aa7b5;
  --accent: #4da3ff;
  --green: #3ecf8e;
  --red: #ff6b6b;
  --amber: #ffb454;
  --purple: #b48cff;
  --radius: 10px;
  font-size: 15px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* ---------- export buttons & inline toggles ---------- */
.export {
  float: right;
  background: var(--surface-2); color: var(--accent);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 3px 10px; font-size: .75rem; cursor: pointer;
}
.export:hover { border-color: var(--accent); }
.toggle.inline { float: right; margin: -2px 10px 0 0; }
.toggle.inline button { padding: 3px 8px; font-size: .72rem; }
td.neg { color: var(--red); }
td.pos { color: var(--green); }
tr.total td { font-weight: 700; border-top: 2px solid var(--border); background: #ffffff06; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-sub { color: var(--text-dim); font-size: .95rem; }

.controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toggle { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.toggle button {
  background: transparent; color: var(--text-dim); border: none;
  padding: 7px 12px; cursor: pointer; font-size: .85rem;
}
.toggle button.active { background: var(--accent); color: #06121f; font-weight: 600; }
select, .search {
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 10px; font-size: .9rem;
}

/* ---------- banner / meta ---------- */
.banner {
  background: #3a2d12; color: #ffd591; border-bottom: 1px solid #5c4718;
  padding: 9px 24px; font-size: .9rem;
}
.banner code { background: #00000040; padding: 1px 6px; border-radius: 4px; }
.hidden { display: none; }
.meta-line { padding: 6px 24px; color: var(--text-dim); font-size: .8rem; }

/* ---------- tabs ---------- */
.tabs {
  display: flex; gap: 4px; padding: 0 24px;
  border-bottom: 1px solid var(--border); background: var(--surface);
  overflow-x: auto;
}
.tabs button {
  background: transparent; border: none; color: var(--text-dim);
  padding: 12px 16px; cursor: pointer; font-size: .95rem;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.tab { display: none; }
.tab.active { display: block; }

main { flex: 1; padding: 20px 24px; max-width: 1500px; width: 100%; margin: 0 auto; }

/* ---------- KPI cards ---------- */
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px; margin-bottom: 18px;
}
.kpi {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
}
.kpi .label { color: var(--text-dim); font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; }
.kpi .value { font-size: 1.55rem; font-weight: 700; margin-top: 6px; }
.kpi .sub { color: var(--text-dim); font-size: .8rem; margin-top: 4px; }
.kpi-click { cursor: pointer; transition: border-color 0.15s, box-shadow 0.15s; }
.kpi-click:hover { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.kpi.good .value { color: var(--green); }
.kpi.bad .value { color: var(--red); }
.kpi.warn .value { color: var(--amber); }

/* ---------- cards & grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-bottom: 14px; }
@media (max-width: 1000px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 14px;
}
.card h3 { font-size: 1rem; margin-bottom: 12px; }
.card .hint { color: var(--text-dim); font-weight: 400; font-size: .8rem; }
.card canvas { max-height: 300px; }

.filter-row { display: flex; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.search { width: 100%; max-width: 360px; margin-bottom: 10px; }
.filter-row .search { margin-bottom: 0; }

.insights-controls { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; padding: 12px 16px; margin-bottom: 14px; }
.insights-controls label { display: flex; align-items: center; gap: 6px; font-size: .88rem; color: var(--text-dim); }
.insights-controls input[type="number"] { width: 64px; text-align: center; }

/* ---------- tables ---------- */
.table-wrap { overflow: auto; max-height: 320px; }
.table-wrap.tall { max-height: 480px; }
table { width: 100%; border-collapse: collapse; font-size: .87rem; }
th {
  text-align: left; color: var(--text-dim); font-weight: 600;
  padding: 8px 10px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--surface);
  cursor: pointer; user-select: none; white-space: nowrap;
}
th .arrow { font-size: .7rem; }
td { padding: 7px 10px; border-bottom: 1px solid #232c38; vertical-align: top; }
tr:hover td { background: #ffffff08; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pill {
  display: inline-block; padding: 2px 9px; border-radius: 99px;
  font-size: .75rem; font-weight: 600; white-space: nowrap;
}
.pill.green { background: #14391f; color: var(--green); }
.pill.red { background: #3d1a1a; color: var(--red); }
.pill.amber { background: #3a2d12; color: var(--amber); }
.pill.blue { background: #14283d; color: var(--accent); }
.pill.purple { background: #271d3d; color: var(--purple); }
.pill.gray { background: #2a323d; color: var(--text-dim); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.empty { color: var(--text-dim); padding: 14px; text-align: center; }

footer {
  padding: 14px 24px; color: var(--text-dim); font-size: .8rem;
  border-top: 1px solid var(--border); text-align: center;
}

/* ---------- sync button ---------- */
.btn-sync {
  background: var(--accent); color: #06121f; border: none;
  border-radius: 8px; padding: 8px 14px; font-size: .85rem; font-weight: 600;
  cursor: pointer;
}
.btn-sync:hover { filter: brightness(1.1); }
.btn-sync.syncing { opacity: .6; cursor: wait; animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------- period comparison ---------- */
.compare-row { align-items: center; gap: 24px; margin-bottom: 12px; }
.compare-row label { color: var(--text-dim); font-size: .85rem; display: flex; align-items: center; gap: 6px; }
input[type="month"] {
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 8px; font-size: .85rem; color-scheme: dark;
}

/* ---------- loading overlay ---------- */
#loadingOverlay {
  position: fixed; inset: 0; z-index: 199;
  background: var(--bg);
  display: none;
  align-items: center; justify-content: center;
}
.loading-spinner {
  width: 32px; height: 32px; margin: 20px auto 0;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- password gate ---------- */
#passwordGate {
  position: fixed; inset: 0; z-index: 200;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.gate-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 40px 48px; text-align: center;
  width: min(380px, 90vw); box-shadow: 0 20px 60px #000a;
}
.gate-logo { height: 56px; width: auto; margin-bottom: 8px; }
.gate-sub { color: var(--text-dim); font-size: .95rem; margin-bottom: 32px; }
#gateInput {
  width: 100%; background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 11px 14px; font-size: 1rem; margin-bottom: 12px; outline: none;
}
#gateInput:focus { border-color: var(--accent); }
.gate-box button[type=submit] {
  width: 100%; background: var(--accent); color: #06121f;
  border: none; border-radius: 8px; padding: 11px;
  font-size: 1rem; font-weight: 600; cursor: pointer;
}
.gate-box button[type=submit]:hover { filter: brightness(1.1); }
#gateError { color: var(--red); font-size: .85rem; margin-top: 10px; min-height: 1.2em; }
@keyframes gate-shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-8px); }
  40%,80% { transform: translateX(8px); }
}
.gate-shake { animation: gate-shake .4s ease; }

/* ---------- invoice table & tally ---------- */
.inv-table tfoot td {
  font-weight: 700;
  border-top: 2px solid var(--border);
  background: var(--surface-2);
  padding: 9px 10px;
  position: sticky;
  bottom: 0;
}
.inv-table tfoot .tfoot-label {
  color: var(--text-dim);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  font-weight: 600;
}
.inv-grand-total { color: var(--accent); font-size: 1rem; }

/* fallback tally when no line items */
.inv-tally {
  margin-top: 10px;
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}
.inv-tally-row { display: flex; gap: 32px; align-items: baseline; font-size: .9rem; }
.inv-tally-row span { color: var(--text-dim); min-width: 140px; text-align: right; }
.inv-tally-row strong { min-width: 110px; text-align: right; font-variant-numeric: tabular-nums; }
.inv-tally-total { border-top: 2px solid var(--border); padding-top: 8px; margin-top: 2px; font-size: 1.05rem; }
.inv-tally-total strong { color: var(--accent); }

/* ---------- project modal ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: #000000a8; }
.modal-box {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; width: min(960px, 94vw); max-height: 88vh; overflow-y: auto;
  padding: 24px 28px; box-shadow: 0 20px 60px #000a;
}
.modal-close {
  position: sticky; top: 0; float: right; margin-left: 12px;
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; width: 32px; height: 32px; font-size: 1.1rem; cursor: pointer;
}
.modal-close:hover { border-color: var(--red); color: var(--red); }
.modal-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.modal-head h2 { font-size: 1.25rem; margin-bottom: 6px; }
.modal-sub { color: var(--text-dim); font-size: .9rem; display: flex; gap: 8px; align-items: center; }
.modal-links { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  display: inline-block; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 14px; font-size: .85rem; color: var(--accent);
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.detail-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px; margin: 12px 0;
}
.detail {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; font-size: .85rem;
}
.detail span { display: block; color: var(--text-dim); font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 3px; }
.detail strong { font-weight: 600; word-break: break-word; }
.modal-desc { color: var(--text-dim); font-size: .9rem; margin: 10px 0; }
.modal-box h4 { margin: 18px 0 8px; font-size: .95rem; color: var(--text); border-top: 1px solid var(--border); padding-top: 14px; }
.modal-box .table-wrap { max-height: 240px; }
.modal-box td a { word-break: break-all; }

/* ---------- light mode (follows system preference) ---------- */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f9;
    --surface: #ffffff;
    --surface-2: #edf0f4;
    --border: #d5dae2;
    --text: #1a212b;
    --text-dim: #637080;
    --accent: #1a72cc;
    --green: #18905e;
    --red: #cc2e2e;
    --amber: #b86c00;
    --purple: #6830c0;
  }

  .toggle button.active { color: #ffffff; }
  .btn-sync { color: #ffffff; }
  input[type="month"] { color-scheme: light; }
  .modal-box { box-shadow: 0 8px 32px #0002; }
  #passwordGate { background: var(--bg); }

  .pill.green  { background: #d4f4e8; }
  .pill.red    { background: #fde8e8; }
  .pill.amber  { background: #fef0cc; }
  .pill.blue   { background: #daeeff; }
  .pill.purple { background: #ede8ff; }
  .pill.gray   { background: #e5e9ef; }

  tr.total td { background: #00000008; }
  th { background: var(--surface); }
}