:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --border: #e3e0d8;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #86847d;
  --gold: #b8860b;
  --gold-soft: #f5e7c4;
  --good: #0a7d32;
  --bad: #c8322f;
  --series-1: #2a78d6;   /* buy-back value */
  --series-2: #eb6834;   /* spot (melt) value */
  --ref: #86847d;        /* invested (reference) */
  --grid: #ebe9e3;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 16px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121211; --surface: #1a1a19; --surface-2: #232321; --border: #2e2e2b;
    --text: #ffffff; --text-2: #c3c2b7; --muted: #8c8b83;
    --gold: #e0b84a; --gold-soft: #3a3120;
    --good: #3fbf6a; --bad: #ef6b6a;
    --series-1: #3987e5; --series-2: #d95926; --ref: #8c8b83; --grid: #2a2a28;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121211; --surface: #1a1a19; --surface-2: #232321; --border: #2e2e2b;
  --text: #ffffff; --text-2: #c3c2b7; --muted: #8c8b83;
  --gold: #e0b84a; --gold-soft: #3a3120;
  --good: #3fbf6a; --bad: #ef6b6a;
  --series-1: #3987e5; --series-2: #d95926; --ref: #8c8b83; --grid: #2a2a28;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-variant-numeric: tabular-nums;
}
h2 { font-size: 15px; font-weight: 600; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.grow { flex: 1; }

.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.bar-icon { width: 22px; height: 14px; background: linear-gradient(135deg, #f3d77a, #b8860b); clip-path: polygon(18% 0, 82% 0, 100% 100%, 0 100%); }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.spot { font-size: 13px; margin-right: 4px; }

main { max-width: 1100px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }

.btn {
  font: inherit; font-size: 14px; border-radius: 8px; padding: 7px 12px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.btn.primary { background: var(--gold); border-color: var(--gold); color: #fff; font-weight: 600; }
:root[data-theme="dark"] .btn.primary { color: #1a1a19; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn.primary { color: #1a1a19; } }
.btn.ghost:hover { background: var(--surface-2); }
.btn.danger { color: var(--bad); border-color: var(--bad); background: transparent; }
.btn:disabled { opacity: .5; cursor: default; }

.flash { padding: 10px 14px; border-radius: 8px; background: var(--gold-soft); color: var(--text); font-size: 14px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; box-shadow: var(--shadow); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); }
.tile .label { font-size: 12.5px; color: var(--text-2); }
.tile .value { font-size: 24px; font-weight: 650; margin-top: 2px; letter-spacing: -.01em; }
.tile .sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.tile.hero { border-color: var(--gold); }

.pos { color: var(--good); }
.neg { color: var(--bad); }

.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-2); }
.legend i { display: inline-block; width: 14px; height: 0; border-top: 2px solid; vertical-align: middle; margin-right: 5px; }
.legend i.dash { border-top-style: dashed; }

.chart { position: relative; width: 100%; height: 280px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .axis text { fill: var(--muted); font-size: 11px; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .empty { fill: var(--muted); font-size: 13px; }

.tooltip {
  position: fixed; z-index: 20; pointer-events: none; min-width: 170px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; font-size: 12.5px; box-shadow: 0 6px 24px rgba(0,0,0,.15);
}
.tooltip .t-head { color: var(--text-2); margin-bottom: 4px; }
.tooltip .row { display: flex; justify-content: space-between; gap: 14px; }
.tooltip .row i { display: inline-block; width: 10px; height: 0; border-top: 2px solid; vertical-align: middle; margin-right: 6px; }

.section-title { margin: 4px 0 10px; }
.holdings { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.holding { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); display: grid; gap: 10px; }
.holding.sold { opacity: .7; }
.h-head { display: flex; justify-content: space-between; gap: 8px; align-items: start; }
.h-name { font-weight: 600; }
.h-meta { font-size: 12.5px; color: var(--muted); }
.badge { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; padding: 2px 7px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); white-space: nowrap; }
.badge.incoming { background: var(--gold-soft); color: var(--text); }
.h-pl { display: flex; align-items: baseline; gap: 4px 10px; flex-wrap: wrap; }
.h-pl > span { white-space: nowrap; }
.h-pl .big { font-size: 22px; font-weight: 650; }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 3px 12px; font-size: 13.5px; }
.kv dt { color: var(--text-2); }
.kv dd { margin: 0; text-align: right; }
.h-foot { display: flex; gap: 8px; flex-wrap: wrap; font-size: 13px; }
.h-foot a { color: var(--gold); text-decoration: none; }
.h-foot a:hover { text-decoration: underline; }
.h-foot button { font-size: 13px; padding: 4px 10px; }

dialog { border: 1px solid var(--border); border-radius: 14px; padding: 0; background: var(--surface); color: var(--text); width: min(640px, calc(100vw - 24px)); }
dialog::backdrop { background: rgba(0,0,0,.4); }
dialog form { padding: 18px; display: grid; gap: 14px; }
dialog h2 { font-size: 18px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.grid label { display: grid; gap: 4px; font-size: 12.5px; color: var(--text-2); }
.grid .span2 { grid-column: span 2; }
input, select, textarea {
  font: inherit; font-size: 14px; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 7px; padding: 7px 9px; width: 100%;
}
input[type=file] { padding: 5px; font-size: 12.5px; }
.hint { font-size: 12px; color: var(--muted); }
.dlg-actions { display: flex; gap: 8px; align-items: center; }
.ai-box { border: 1px dashed var(--gold); border-radius: 10px; padding: 10px; background: var(--gold-soft); }
.file-drop { display: grid; gap: 6px; font-size: 13.5px; cursor: pointer; }

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .grid .span2 { grid-column: span 1; }
  .holdings { grid-template-columns: 1fr; }
  .tile .value { font-size: 20px; }
  .chart { height: 220px; }
}

/* login */
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); display: grid; gap: 14px; }
.login-card label { display: grid; gap: 4px; font-size: 12.5px; color: var(--text-2); }
.login-card .btn { padding: 10px; }

/* PWA standalone: respect the notch / home indicator */
.top { padding-top: max(12px, env(safe-area-inset-top)); }
main { padding-bottom: max(16px, env(safe-area-inset-bottom)); }

/* holdings list: one compact row per holding, tap to expand */
body.viewer .admin-only { display: none; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 4px 0 10px; }
.section-head select { width: auto; padding: 5px 8px; font-size: 13px; }
.h-list { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
.h-row { border-top: 1px solid var(--border); }
.h-list > .h-row:first-child { border-top: 0; }
.h-row > summary, .h-sold > summary { list-style: none; cursor: pointer; }
.h-row > summary::-webkit-details-marker, .h-sold > summary::-webkit-details-marker { display: none; }
.h-row > summary { display: grid; grid-template-columns: 1fr auto 16px; gap: 12px; align-items: center; padding: 12px 16px; }
.h-row > summary:hover { background: var(--surface-2); }
.h-main, .h-val { display: grid; gap: 2px; min-width: 0; }
.h-val { text-align: right; }
.h-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; }
.h-plv { font-weight: 650; font-size: 15.5px; white-space: nowrap; }
.h-val .h-meta { white-space: nowrap; }
.chev { width: 8px; height: 8px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .15s; justify-self: center; margin-top: -4px; }
details[open] > summary .chev { transform: rotate(225deg); margin-top: 4px; }
.h-body { padding: 4px 16px 14px; display: grid; gap: 10px; background: var(--surface); }
.h-body .kv { max-width: 520px; }
.h-row.sold { opacity: .75; }
.h-sold { border-top: 1px solid var(--border); }
.h-sold > summary { padding: 11px 16px; font-size: 13.5px; color: var(--text-2); background: var(--surface-2); }
.h-sold > .h-row:first-of-type { border-top: 1px solid var(--border); }
.badge { vertical-align: 2px; margin-left: 4px; }
@media (max-width: 560px) {
  .h-row > summary { padding: 11px 12px; gap: 8px; }
  .h-body { padding: 4px 12px 12px; }
  .top .spot { order: 3; width: 100%; }
}

/* chart range selector */
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 2px; }
.seg button { font: inherit; font-size: 12.5px; font-weight: 600; color: var(--text-2); background: transparent; border: 0; border-radius: 6px; padding: 5px 10px; cursor: pointer; min-width: 38px; }
.seg button:hover { color: var(--text); }
.seg button.on { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.15); }
#period-change { color: var(--text-2); margin-top: 2px; }
.chart-card .legend { margin-bottom: 6px; }

/* ---- section tabs ---- */
.tabs { margin-right: auto; margin-left: 8px; }
.tabs a { font-size: 13.5px; font-weight: 600; color: var(--text-2); text-decoration: none; padding: 5px 12px; border-radius: 6px; }
.tabs a.on { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.15); }
body[data-view="market"] #spot, body[data-view="market"] #btn-refresh, body[data-view="market"] #btn-add { display: none; }

/* ---- market ---- */
:root { --series-3: #1baf7a; --series-4: #eda100; --warn: #b26b00; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --series-3: #199e70; --series-4: #c98500; --warn: #e3a33a; } }
:root[data-theme="dark"] { --series-3: #199e70; --series-4: #c98500; --warn: #e3a33a; }
.view { display: grid; gap: 16px; }
.view[hidden] { display: none; }
.m-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.m-actions { display: flex; gap: 8px; flex-wrap: wrap; }
#btn-notify.on { border-color: var(--good); color: var(--good); }
.m-products { display: grid; grid-template-columns: repeat(auto-fit, minmax(440px, 1fr)); gap: 16px; }
.table-wrap { overflow-x: auto; margin: 0 -4px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tbl th { text-align: left; font-weight: 600; font-size: 12px; color: var(--text-2); padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl td { padding: 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .num { text-align: right; white-space: nowrap; }
.tbl tr.dim td { opacity: .55; }
.tbl a { color: var(--text); text-decoration: none; font-weight: 600; }
.tbl a:hover { text-decoration: underline; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: 0; }
.badges { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.pill { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); white-space: nowrap; }
.pill.ok { background: color-mix(in srgb, var(--good) 16%, transparent); color: var(--good); }
.pill.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.pill.sale { background: color-mix(in srgb, var(--bad) 16%, transparent); color: var(--bad); }
.stock { font-size: 12px; font-weight: 600; white-space: nowrap; }
.stock::before { content: "●"; margin-right: 4px; }
.stock.ok { color: var(--good); } .stock.warn { color: var(--warn); } .stock.bad { color: var(--bad); }
.stock.ok::before { content: "✓"; } .stock.bad::before { content: "✕"; }
.mini-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.thr { font-size: 12.5px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.thr input { width: 70px; padding: 4px 6px; font-size: 13px; }
.mini-chart { position: relative; margin-top: 6px; }
.mini-chart svg { display: block; width: 100%; overflow: visible; }
.mini-chart .axis text { fill: var(--muted); font-size: 10.5px; }
.mini-chart .gridline { stroke: var(--grid); }
.mini-chart .legend { margin-top: 4px; }
.empty-mini { padding: 30px 0; text-align: center; }
.m-alerts { display: grid; gap: 10px; }
.alert-row { border-left: 3px solid var(--gold); padding: 2px 0 2px 10px; }
.alert-row a { color: var(--gold); }
@media (max-width: 560px) {
  .m-products { grid-template-columns: 1fr; }
  .tabs { order: 5; margin: 0; width: 100%; display: flex; }
  .tabs a { flex: 1; text-align: center; }
  #m-compare td, #m-compare th { padding: 6px 5px; }
}

/* ---- (i) explanations ---- */
.info {
  display: inline-grid; place-items: center; width: 16px; height: 16px; padding: 0; margin-left: 3px; vertical-align: 1px;
  border-radius: 50%; border: 1px solid var(--muted); background: transparent; color: var(--muted);
  font: italic 700 10.5px/1 Georgia, serif; cursor: help; flex: none;
}
.info:hover, .info:focus-visible { border-color: var(--gold); color: var(--gold); outline: none; }
.tooltip.wide { max-width: min(340px, calc(100vw - 16px)); font-size: 13px; line-height: 1.45; }
.tooltip .row.buy { color: var(--gold); margin-top: 4px; }
.legend i.dot { width: 9px; height: 9px; border: 2.5px solid var(--gold); border-radius: 50%; background: var(--surface); }

/* ---- portfolio additions ---- */
.callout { padding: 10px 14px; border-radius: 10px; background: color-mix(in srgb, var(--good) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--good) 35%, var(--border)); font-size: 14px; }
.callout[hidden] { display: none; }
.tile .label { display: flex; align-items: center; gap: 2px; }
.bd { display: grid; gap: 8px; }
.bd-row { display: grid; grid-template-columns: minmax(150px, 1.3fr) 1fr auto; gap: 12px; align-items: center; font-size: 14px; }
.bd-row.total { border-top: 1px solid var(--border); padding-top: 8px; font-weight: 600; }
.bd-label { color: var(--text-2); display: flex; align-items: center; gap: 2px; }
.bd-row.total .bd-label { color: var(--text); }
.bd-track { height: 10px; background: var(--surface-2); border-radius: 5px; overflow: hidden; }
.bd-bar { display: block; height: 100%; border-radius: 5px; }
.bd-bar.up { background: var(--good); }
.bd-bar.down { background: var(--bad); }
.bd-val { min-width: 90px; text-align: right; white-space: nowrap; }
.bd.compact .bd-row { font-size: 13px; grid-template-columns: minmax(120px, 1.4fr) 0.8fr auto; }
.so, .bd.compact { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; display: grid; gap: 6px; background: var(--bg); }
.so-head { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; font-size: 14px; }
.so-qty { margin-left: auto; font-size: 12.5px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.so-qty input { width: 60px; padding: 3px 6px; }
.so-row { display: grid; grid-template-columns: 1fr auto 100px; gap: 10px; align-items: baseline; font-size: 14px; padding: 4px 0; border-top: 1px solid var(--border); }
.so-row.so-cols { border-top: 0; padding: 0; }
.so-row.so-cols span:nth-child(n+2) { text-align: right; }
.so-row.best .so-get { font-weight: 700; }
.so-shop { display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; }
.so-shop a { color: var(--text); font-weight: 600; text-decoration: none; }
.so-shop a:hover { text-decoration: underline; }
.so-get, .so-pl { text-align: right; white-space: nowrap; }
.reminder { padding: 8px 12px; border-radius: 8px; background: var(--gold-soft); font-size: 13.5px; }
.linkbtn { font: inherit; font-weight: 600; color: var(--gold); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }
.badge.warn { background: var(--gold-soft); color: var(--warn); }
.kv dt { display: flex; align-items: center; gap: 2px; }

/* ---- settings dialog ---- */
.settings { padding: 18px; display: grid; gap: 16px; }
.settings h2 { font-size: 18px; }
.settings h3 { font-size: 14px; margin: 0 0 6px; }
.settings section { display: grid; gap: 8px; }
.settings p { margin: 0; }
.settings .check { display: flex; align-items: center; gap: 8px; font-size: 14px; flex-wrap: wrap; }
.settings .check input[type=checkbox] { width: auto; }
.settings select { width: auto; }
.settings a.btn { text-decoration: none; justify-self: start; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
@media (max-width: 560px) {
  .bd-row { grid-template-columns: 1fr auto; }
  .bd-row .bd-track { grid-column: 1 / -1; order: 3; }
  .so-row { grid-template-columns: 1fr auto 84px; gap: 6px; }
}
.deal-badges { display: inline-flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
#m-ranges { margin-right: 4px; }