:root {
  --surface-1: #fcfcfb;
  --page: #f9f9f7;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-1-soft: rgba(42, 120, 214, 0.12);
  --up: #006300;
  --up-fill: #0ca30c;
  --down: #d03b3b;
  --accent: #2a78d6;
  --shadow: 0 1px 2px rgba(11,11,11,.05), 0 4px 16px rgba(11,11,11,.06);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --surface-1: #1a1a19;
    --page: #0d0d0d;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-1-soft: rgba(57, 135, 229, 0.16);
    --up: #0ca30c;
    --up-fill: #0ca30c;
    --down: #e66767;
    --accent: #3987e5;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  --surface-1: #1a1a19;
  --page: #0d0d0d;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5;
  --series-1-soft: rgba(57, 135, 229, 0.16);
  --up: #0ca30c;
  --up-fill: #0ca30c;
  --down: #e66767;
  --accent: #3987e5;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.35);
}
:root[data-theme="light"] {
  --surface-1: #fcfcfb;
  --page: #f9f9f7;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-1-soft: rgba(42, 120, 214, 0.12);
  --up: #006300;
  --up-fill: #0ca30c;
  --down: #d03b3b;
  --accent: #2a78d6;
  --shadow: 0 1px 2px rgba(11,11,11,.05), 0 4px 16px rgba(11,11,11,.06);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
}
h1, h2 { margin: 0; font-weight: 650; }
h1 { font-size: 17px; letter-spacing: -0.01em; }
h2 { font-size: 14px; }

/* ---------- header ---------- */
.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 14px 24px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--accent); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.brand-icon { width: 22px; height: 22px; }

/* ---------- footer ---------- */
.site-footer {
  text-align: center; padding: 22px 16px 28px;
  font-size: 11.5px; color: var(--muted);
}
.brand .sub { font-size: 11.5px; color: var(--muted); }

.capital-strip { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.cap-chip {
  padding: 5px 12px; border-radius: 8px;
  background: var(--page); border: 1px solid var(--border);
  display: flex; flex-direction: column; min-width: 104px;
}
.cap-chip .k { font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.cap-chip .v { font-size: 14px; font-weight: 650; font-variant-numeric: tabular-nums; }
.cap-chip.editable { cursor: pointer; }
.cap-chip.editable:hover { border-color: var(--accent); }
.cap-chip input {
  width: 110px; font-size: 14px; font-weight: 650;
  border: none; background: transparent; color: var(--ink);
  padding: 0; outline: none;
}

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 4px; padding: 10px 24px 0; }
.tab {
  border: none; background: none; color: var(--ink-2);
  font: inherit; font-weight: 550; padding: 8px 14px;
  border-radius: 8px 8px 0 0; cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------- layout ---------- */
.view { padding: 18px 24px 48px; max-width: 1240px; margin: 0 auto; }
.tiles {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  margin-bottom: 16px;
}
.tile {
  background: var(--surface-1);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 12px 14px; box-shadow: var(--shadow);
}
.tile .k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.tile .v { font-size: 21px; font-weight: 680; margin-top: 2px; letter-spacing: -0.01em; }
.tile .s { font-size: 11.5px; color: var(--ink-2); margin-top: 1px; }
.pos { color: var(--up); }
.neg { color: var(--down); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.span-2 { grid-column: span 2; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } .span-2 { grid-column: span 1; } }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; box-shadow: var(--shadow);
  overflow: hidden;
}
.card-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.card-sub { font-size: 11.5px; color: var(--muted); }
.chart { width: 100%; }
.chart svg { display: block; width: 100%; height: auto; }
.empty { color: var(--muted); font-size: 13px; padding: 26px 0; text-align: center; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .05em; font-weight: 600;
  padding: 6px 8px; border-bottom: 1px solid var(--grid);
}
td { padding: 8px; border-bottom: 1px solid var(--grid); font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; }
.sym { font-weight: 650; }
.table-wrap { overflow-x: auto; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
}
.badge.open { background: var(--series-1-soft); color: var(--accent); }
.badge.closed { background: var(--grid); color: var(--ink-2); }
.badge.setup { background: var(--grid); color: var(--ink-2); font-weight: 550; }

/* ---------- log ---------- */
.log-controls { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.seg { display: flex; background: var(--surface-1); border: 1px solid var(--border); border-radius: 9px; padding: 2px; }
.seg-btn {
  border: none; background: none; font: inherit; color: var(--ink-2);
  padding: 5px 14px; border-radius: 7px; cursor: pointer; font-weight: 550;
}
.seg-btn.active { background: var(--accent); color: #fff; }
select, input[type="search"] {
  font: inherit; color: var(--ink);
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 9px; padding: 6px 10px;
}
input[type="search"] { width: 180px; }

.trade-row { cursor: pointer; }
.trade-row:hover td { background: var(--series-1-soft); }
.detail-row td { background: var(--page); padding: 14px 16px; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.detail-block .dk { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px; }
.detail-block .dv { font-size: 13px; white-space: pre-wrap; }
.row-actions { display: flex; gap: 8px; margin-top: 12px; }

/* ---------- buttons ---------- */
.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  padding: 8px 16px; border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface-1); color: var(--ink);
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-danger { color: var(--down); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon {
  border: none; background: none; cursor: pointer;
  font-size: 15px; color: var(--muted); padding: 4px 8px; border-radius: 6px;
}
.btn-icon:hover { color: var(--ink); background: var(--grid); }

/* ---------- modal ---------- */
.modal-backdrop[hidden], .view[hidden], .tooltip[hidden] { display: none; }
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0,0,0,.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 32px 16px; overflow-y: auto;
}
.modal {
  background: var(--surface-1); border-radius: 14px;
  width: 100%; max-width: 720px;
  box-shadow: 0 12px 48px rgba(0,0,0,.3);
  border: 1px solid var(--border);
}
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px 0;
}
.modal form { padding: 6px 20px 20px; }
fieldset {
  border: 1px solid var(--grid); border-radius: 10px;
  margin: 12px 0 0; padding: 10px 14px 14px;
}
legend { font-size: 12px; font-weight: 650; color: var(--ink-2); padding: 0 6px; text-transform: uppercase; letter-spacing: .05em; display: flex; align-items: center; gap: 10px; }
legend .hint { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--muted); }
.info-toggle {
  font: inherit; font-size: 11px; font-weight: 550; text-transform: none; letter-spacing: 0;
  color: var(--accent); background: none; border: none; cursor: pointer; padding: 0;
}
.info-toggle:hover { text-decoration: underline; }
.sizing-rules {
  margin: 8px 0 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--page); padding: 8px 12px; font-size: 12.5px; color: var(--ink-2);
}
.sizing-rules summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; }
.sizing-rules summary::-webkit-details-marker { display: none; }
.sizing-rules summary::before { content: "▸ "; }
.sizing-rules[open] summary::before { content: "▾ "; }
.sizing-rules ol { margin: 8px 0 2px; padding-left: 18px; line-height: 1.55; }
.sizing-rules li { margin-bottom: 6px; }
.sizing-rules b { color: var(--ink); }
.frow { display: flex; gap: 10px; flex-wrap: wrap; }
.frow label { flex: 1 1 130px; }
label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--ink-2); font-weight: 550; margin-top: 8px; }
label.full { width: 100%; }
input, select, textarea {
  font: inherit; color: var(--ink);
  background: var(--page); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 9px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--series-1-soft); border-color: var(--accent); }
textarea { resize: vertical; }
.risk-preview { font-size: 12.5px; color: var(--ink-2); margin-top: 10px; display: flex; gap: 16px; flex-wrap: wrap; }
.risk-preview b { font-variant-numeric: tabular-nums; }
.warn { color: #eda100; font-weight: 650; }
.tier-starter { color: var(--muted); font-weight: 650; }
.tier-full { color: var(--up); font-weight: 650; }
.tier-caution { color: #eda100; font-weight: 650; }
.tier-over { color: var(--down); font-weight: 650; }
.size-warning {
  margin-top: 10px; padding: 9px 12px; border-radius: 8px; font-size: 12.5px; line-height: 1.5;
  background: rgba(237, 161, 0, 0.12); border: 1px solid rgba(237, 161, 0, 0.35); color: var(--ink);
}
.size-warning.critical { background: rgba(208, 59, 59, 0.10); border-color: rgba(208, 59, 59, 0.35); }
.suggested-size {
  margin-top: 10px; padding: 9px 12px; border-radius: 8px; font-size: 12.5px; line-height: 1.5;
  background: var(--series-1-soft); border: 1px solid var(--border); color: var(--ink-2);
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
}
.suggested-size b { color: var(--ink); font-variant-numeric: tabular-nums; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

/* ---------- tooltip ---------- */
.tooltip {
  position: fixed; z-index: 100; pointer-events: none;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; font-size: 12px;
  box-shadow: var(--shadow); max-width: 240px;
}
.tooltip .tt-title { font-weight: 650; margin-bottom: 2px; }
.tooltip .tt-row { display: flex; justify-content: space-between; gap: 14px; color: var(--ink-2); }
.tooltip .tt-row b { color: var(--ink); font-variant-numeric: tabular-nums; }

.stars { color: #eda100; letter-spacing: 1px; }

/* ---------- theme toggle ---------- */
.theme-toggle {
  display: flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); background: var(--page);
  border-radius: 9px; padding: 3px; cursor: pointer;
}
.theme-toggle button {
  border: none; background: none; cursor: pointer;
  width: 30px; height: 28px; border-radius: 7px;
  display: grid; place-items: center; font-size: 14px; color: var(--muted);
}
.theme-toggle button.active { background: var(--surface-1); color: var(--ink); box-shadow: var(--shadow); }

/* ---------- date filter ---------- */
.date-filter { display: flex; align-items: center; gap: 6px; }
.date-filter input[type="date"] { padding: 6px 8px; }
.date-filter span { color: var(--muted); font-size: 12px; }
.date-presets { display: flex; gap: 4px; }
.date-presets button {
  font: inherit; font-size: 12px; font-weight: 550; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-1); color: var(--ink-2);
  padding: 5px 10px; border-radius: 8px;
}
.date-presets button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.clear-filters {
  font: inherit; font-size: 12px; cursor: pointer; color: var(--muted);
  background: none; border: none; text-decoration: underline; padding: 4px 2px;
}
.clear-filters:hover { color: var(--ink); }

/* ---------- user menu ---------- */
.user-menu { display: flex; align-items: center; gap: 8px; }
.user-name { font-size: 13px; font-weight: 600; color: var(--ink-2); }