:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --good: #006300;
  --bad: #d03b3b;
  --etf-1: #2a78d6;
  --etf-2: #eb6834;
  --etf-3: #1baf7a;
  --unpicked: #c3c2b7;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #262624;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --good: #0ca30c;
    --etf-1: #3987e5;
    --etf-2: #d95926;
    --etf-3: #199e70;
    --unpicked: #4a4a47;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #262624;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --good: #0ca30c;
  --etf-1: #3987e5;
  --etf-2: #d95926;
  --etf-3: #199e70;
  --unpicked: #4a4a47;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 1.8rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 16px; }
.top { padding: 28px 0 12px; }
.sub { color: var(--ink-2); margin: 0; }
.fine { color: var(--muted); font-size: 0.85rem; }
.hint { color: var(--ink-2); margin-top: 0; }

.layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 16px; align-items: start; }
.content { display: grid; gap: 16px; min-width: 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; min-width: 0; }
.settings { position: sticky; top: 16px; }

.field { display: block; border: 0; padding: 0; margin: 0 0 16px; }
.field > span, .field legend { display: flex; justify-content: space-between; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; padding: 0; }
.field input[type=range] { width: 100%; accent-color: var(--accent); }
.check { display: flex; gap: 8px; margin: 0 0 16px; font-weight: 600; font-size: 0.9rem; align-items: flex-start; }
.check input { margin-top: 3px; accent-color: var(--accent); }
.check small { display: block; font-weight: 400; color: var(--muted); }
.radio { display: flex; gap: 8px; font-size: 0.9rem; margin-bottom: 4px; }
.radio input { accent-color: var(--accent); }
.alloc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.alloc label { display: grid; gap: 2px; font-size: 0.8rem; color: var(--ink-2); }
.alloc input { width: 100%; }
input[type=number] {
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface-2); color: var(--ink); font: inherit;
}

.uploads { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.drop {
  position: relative; border: 1.5px dashed var(--border); border-radius: 10px; padding: 14px;
  background: var(--surface-2); min-height: 110px; display: grid; align-content: start; gap: 4px;
  transition: border-color .15s, background .15s;
}
.drop.over { border-color: var(--accent); }
.drop.loaded { border-style: solid; }
.drop .etf { font-weight: 700; display: flex; align-items: center; gap: 6px; }
.drop .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.drop .status { font-size: 0.85rem; color: var(--ink-2); overflow-wrap: anywhere; }
.drop .status.err { color: var(--bad); }
.drop input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop .clear { position: relative; z-index: 1; justify-self: start; }

.btn {
  font: inherit; font-size: 0.9rem; padding: 7px 12px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--ink);
}
.btn:hover { border-color: var(--accent); }
.link { font: inherit; background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; text-decoration: underline; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--grid); margin-bottom: 14px; overflow-x: auto; }
.tabs button {
  font: inherit; background: none; border: 0; padding: 8px 12px; cursor: pointer; color: var(--ink-2);
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs button[aria-selected=true] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

.hold-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 16px; }
.chart { width: 100%; min-height: 200px; }
.picklist { max-height: 460px; overflow: auto; border: 1px solid var(--grid); border-radius: 8px; }
.picklist label {
  display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center;
  padding: 6px 10px; border-bottom: 1px solid var(--grid); font-size: 0.88rem; cursor: pointer;
}
.picklist label:last-child { border-bottom: 0; }
.picklist input { accent-color: var(--accent); }
.picklist .nm { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.picklist .sym { font-weight: 600; color: var(--ink); margin-right: 6px; }
.picklist .w { font-variant-numeric: tabular-nums; color: var(--ink-2); }
.warn { font-size: 0.85rem; color: var(--ink-2); background: var(--surface-2); border-radius: 8px; padding: 8px 10px; margin: 8px 0 0; }

.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.tile { border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.tile .k { font-size: 0.8rem; color: var(--ink-2); }
.tile .v { font-size: 1.5rem; }
.hold-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 10px 0 0; }

.pie-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.table-wrap { max-height: 520px; overflow: auto; border: 1px solid var(--grid); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--grid); text-align: left; }
th { position: sticky; top: 0; background: var(--surface); color: var(--ink-2); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }
.actions { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.empty { color: var(--muted); padding: 24px 0; text-align: center; }
footer { padding: 16px; text-align: center; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .settings { position: static; }
  .hold-grid, .pie-grid { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .uploads { grid-template-columns: 1fr; }
}