:root {
  --paper: #f6f3ec;
  --card: #fffdf8;
  --ink: #1d2433;
  --ink-soft: #5b6475;
  --navy: #1f2a44;
  --rule: #e2ddd1;
  --accent: #1f2a44;
  --accent-ink: #ffffff;
  --flag: #c62828;
  --flag-bg: #fbeceb;
  --good: #2e6b47;
  --shadow: 0 1px 2px rgba(29, 36, 51, .06), 0 2px 8px rgba(29, 36, 51, .05);
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #11161f; --card: #181f2b; --ink: #e8e6e1; --ink-soft: #a3a9b6; --navy: #dfe4ef;
    --rule: #2a3242; --accent: #dfe4ef; --accent-ink: #11161f; --flag: #ef6b6b; --flag-bg: #3a2022;
    --good: #7cc49a; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #11161f; --card: #181f2b; --ink: #e8e6e1; --ink-soft: #a3a9b6; --navy: #dfe4ef;
  --rule: #2a3242; --accent: #dfe4ef; --accent-ink: #11161f; --flag: #ef6b6b; --flag-bg: #3a2022;
  --good: #7cc49a; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 16px/1.5 var(--sans);
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Masthead */
.masthead { max-width: 760px; margin: 0 auto; padding: 22px 16px 10px; border-bottom: 2px solid var(--navy); }
.brand { display: inline-flex; align-items: center; gap: 14px; }
.two-bens { display: inline-flex; gap: 8px; }
.two-bens img {
  width: 44px; height: 44px; border-radius: 50%; object-fit: cover; object-position: center 20%;
  background: var(--rule); border: 2px solid var(--navy); filter: grayscale(1) contrast(1.05);
}
@media (min-width: 560px) { .two-bens img { width: 48px; height: 48px; } }
.masthead-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.wordmark { font: 700 40px/1 var(--serif); color: var(--navy); text-decoration: none; letter-spacing: -.5px; }

main { max-width: 760px; margin: 0 auto; padding: 18px 16px 8px; }
h1 { font: 600 26px/1.2 var(--serif); color: var(--navy); margin: 0 0 8px; }
h2 { font: 600 21px/1.25 var(--serif); color: var(--navy); margin: 0; }

.card { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 18px; box-shadow: var(--shadow); }
.intro p { color: var(--ink-soft); margin: 0 0 14px; }

/* Forms & buttons */
form { display: flex; gap: 8px; flex-wrap: wrap; }
input[type=email], input[type=search], #code {
  flex: 1 1 220px; min-width: 0; font: 16px var(--sans); color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule); border-radius: 8px; padding: 11px 12px;
}
input:focus { outline: 2px solid var(--navy); outline-offset: 1px; }
.btn { font: 600 15px var(--sans); border-radius: 8px; padding: 11px 16px; border: 1px solid var(--accent); cursor: pointer; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.small { padding: 7px 12px; font-size: 14px; }
.btn:disabled { opacity: .6; cursor: default; }
.link-btn { background: none; border: 0; padding: 4px; color: var(--ink-soft); font: 500 14px var(--sans); cursor: pointer; text-decoration: underline; }
.form-msg { margin: 12px 0 0; font-size: 14px; color: var(--ink-soft); min-height: 1em; }
.form-msg.error { color: var(--flag); }
.code-form { margin-top: 12px; }
#code { letter-spacing: 4px; font-variant-numeric: tabular-nums; }
#code:placeholder-shown { letter-spacing: normal; }

/* Quote */
.quote { margin: 0 0 18px; padding: 4px 0 4px 16px; border-left: 3px solid var(--navy); }
.quote blockquote { margin: 0; font: italic 19px/1.45 var(--serif); color: var(--ink); }
.quote figcaption { margin-top: 6px; font-size: 13px; color: var(--ink-soft); }
.quote figcaption span + span::before { content: " · "; }

/* Notifications prompt */
.notify { margin: 0 0 16px; padding: 14px 16px; }
.notify p { margin: 0 0 10px; font-size: 14.5px; }
.notify-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--rule); margin-bottom: 14px; }
.tabs button {
  flex: 1; background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px;
  padding: 10px 2px; font: 600 14.5px var(--sans); color: var(--ink-soft); cursor: pointer; white-space: nowrap;
}
.tabs button[aria-selected=true] { color: var(--navy); border-bottom-color: var(--navy); }
.badge { display: inline-block; min-width: 18px; margin-left: 5px; padding: 0 5px; border-radius: 9px; background: var(--flag); color: #fff; font: 600 11px/18px var(--sans); vertical-align: 1px; }
.alert-row { padding: 12px 14px; }
.alert-row .alert-head { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.alert-row .alert-type { display: block; color: var(--flag); font-size: 13px; font-weight: 600; margin-top: 2px; }
.alert-row .alert-date { color: var(--ink-soft); font-size: 12px; white-space: nowrap; }
.alert-row p { margin: 6px 0 0; font-size: 13.5px; color: var(--ink-soft); }
.alert-row.cleared { opacity: .65; }
.alert-row.cleared .alert-type { color: var(--ink-soft); }

.meta { margin: 0 0 10px; font-size: 13px; color: var(--ink-soft); }
.meta .preview { color: var(--flag); font-weight: 600; }

/* Segmented control */
.seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--card); border: 1px solid var(--rule); border-radius: 9px; padding: 3px; gap: 3px; }
.seg-btn { border: 0; background: none; border-radius: 7px; padding: 9px 6px; font: 600 13.5px/1.2 var(--sans); color: var(--ink-soft); cursor: pointer; }
.seg-btn[aria-pressed=true] { background: var(--accent); color: var(--accent-ink); }
.explain { font-size: 13px; color: var(--ink-soft); margin: 10px 0 12px; }

/* List rows */
.rows { list-style: none; margin: 0; padding: 0; }
.row { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; margin-bottom: 8px; box-shadow: var(--shadow); }
.row-main { display: grid; grid-template-columns: 30px 1fr auto; gap: 4px 10px; align-items: center; padding: 12px 14px; width: 100%; background: none; border: 0; text-align: left; color: inherit; font: inherit; cursor: pointer; }
.rank { font: 600 15px var(--serif); color: var(--ink-soft); text-align: right; }
.name { min-width: 0; }
.name strong { display: block; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.name small { color: var(--ink-soft); font-size: 12.5px; }
.flag-icon { width: 15px; height: 15px; vertical-align: -2px; margin-left: 4px; color: var(--ink-soft); }
.value { text-align: right; font: 700 19px var(--serif); color: var(--navy); font-variant-numeric: tabular-nums; }
.value small { display: block; font: 400 12px var(--sans); color: var(--ink-soft); }
.row-detail { padding: 0 14px 12px 54px; font-size: 13.5px; color: var(--ink-soft); }
.row-detail .pair { display: inline-block; margin-right: 14px; }
.flag-note { display: flex; gap: 8px; align-items: flex-start; background: var(--flag-bg); color: var(--ink); border-radius: 8px; padding: 9px 10px; margin-top: 8px; font-size: 13px; }
.flag-note svg { flex: 0 0 15px; height: 15px; margin-top: 2px; }

/* Lookup result */
.lookup-form { margin-bottom: 14px; }
.result h2 { margin-bottom: 2px; }
.result .sub { color: var(--ink-soft); font-size: 14px; margin: 0 0 14px; }
.metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
@media (min-width: 560px) { .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.metric { border: 1px solid var(--rule); border-radius: 8px; padding: 10px 12px; }
.metric span { display: block; font-size: 12px; color: var(--ink-soft); }
.metric b { font: 700 20px var(--serif); color: var(--navy); font-variant-numeric: tabular-nums; }
.metric.lead { grid-column: 1 / -1; }
.metric.lead b { font-size: 26px; }
.result .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }   /* 2×2 under the intrinsic value */
.history { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; }
.history th, .history td { padding: 6px 4px; border-bottom: 1px solid var(--rule); text-align: right; }
.history th:first-child, .history td:first-child { text-align: left; }
.history th { color: var(--ink-soft); font-weight: 600; font-size: 12px; }
.table-wrap { overflow-x: auto; }
.method { font-size: 12.5px; color: var(--ink-soft); margin: 12px 0 0; }
.matches { list-style: none; padding: 0; margin: 0; }
.matches button { width: 100%; text-align: left; background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 11px 12px; margin-bottom: 6px; font: inherit; color: inherit; cursor: pointer; }
.matches small { color: var(--ink-soft); margin-left: 6px; }
.notice { background: var(--card); border: 1px dashed var(--rule); border-radius: 10px; padding: 16px; color: var(--ink-soft); }

/* Loading */
.loading { display: flex; gap: 10px; align-items: center; justify-content: center; padding: 30px; color: var(--ink-soft); }
.spinner { width: 18px; height: 18px; border: 2px solid var(--rule); border-top-color: var(--navy); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Install hint */
.install { position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); max-width: 520px; margin: 0 auto; background: var(--card); border: 1px solid var(--rule); border-radius: 12px; padding: 12px 14px; box-shadow: 0 6px 24px rgba(0,0,0,.15); display: flex; gap: 10px; align-items: center; z-index: 10; }
.install p { margin: 0; font-size: 14px; flex: 1; }
.install-actions { display: flex; gap: 6px; align-items: center; }

.foot { max-width: 760px; margin: 10px auto 0; padding: 16px 16px 90px; border-top: 1px solid var(--rule); font-size: 12px; color: var(--ink-soft); }
.foot-small { margin-top: 6px; }

/* Subscribe */
.subscribe { margin-top: 16px; }
.subscribe h2 { margin-bottom: 6px; }
.subscribe > p { color: var(--ink-soft); margin: 0 0 12px; font-size: 14.5px; }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.plan { position: relative; display: block; text-decoration: none; color: inherit; border: 1px solid var(--rule); border-radius: 10px; padding: 14px 12px; text-align: center; background: var(--paper); }
.plan.best { border: 2px solid var(--navy); }
.plan .tag { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--navy); color: var(--paper); font: 600 11px var(--sans); padding: 2px 8px; border-radius: 10px; white-space: nowrap; }
.plan b { display: block; font: 700 26px var(--serif); color: var(--navy); }
.plan span { display: block; font-size: 13px; color: var(--ink-soft); }
.plan .go { margin-top: 10px; display: inline-block; background: var(--accent); color: var(--accent-ink); border-radius: 7px; padding: 8px 14px; font: 600 14px var(--sans); }
.plan.soon { opacity: .55; pointer-events: none; }
.fine { font-size: 12.5px; color: var(--ink-soft); margin: 12px 0 0; }
.fine a, .foot a { color: inherit; }
.top-links { display: flex; gap: 6px; align-items: baseline; }

/* Portfolio */
:root { --series-1: #2a78d6; --series-2: #eb6834; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --series-1: #3987e5; --series-2: #d95926; } }
:root[data-theme="dark"] { --series-1: #3987e5; --series-2: #d95926; }
.pf-import { margin-bottom: 16px; }
.pf-import h2 { margin-bottom: 6px; }
.pf-help { color: var(--ink-soft); font-size: 14px; margin: 0 0 12px; }
.pf-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.file-btn { display: inline-block; position: relative; overflow: hidden; }
.file-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; font-size: 0; }
.pf-manual { margin-top: 12px; font-size: 14px; }
.pf-manual summary { cursor: pointer; color: var(--ink-soft); }
.pf-add { margin-top: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pf-add input { min-width: 0; font: 16px var(--sans); color: var(--ink); background: var(--paper); border: 1px solid var(--rule); border-radius: 8px; padding: 10px 11px; }
.pf-add #pfVal { grid-column: 1 / -1; }
.pf-add button { grid-column: 1 / -1; justify-self: start; }
.pf-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0 0 14px; }
.pf-summary .metric b { font-size: 22px; }
.pf-headline { font: 600 17px/1.35 var(--serif); color: var(--navy); margin: 0 0 12px; }
.pf-chart { margin: 4px 0 6px; }
.pf-chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.pf-chart .axis-label { font: 600 13px var(--sans); fill: var(--ink); }
.pf-chart .axis-sub { font: 12px var(--sans); fill: var(--ink-soft); }
.pf-chart .total { font: 700 15px var(--serif); fill: var(--ink); }
.pf-chart .seg-label { font: 600 12px var(--sans); fill: #fff; }
.pf-chart .gridline { stroke: var(--rule); stroke-width: 1; }
.pf-chart rect.seg { cursor: default; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ink-soft); margin: 0 0 6px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.pf-tip { position: fixed; z-index: 20; pointer-events: none; background: var(--card); color: var(--ink); border: 1px solid var(--rule); border-radius: 8px; padding: 7px 9px; font-size: 13px; box-shadow: 0 4px 14px rgba(0,0,0,.15); max-width: 240px; }
.pf-table { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; margin-top: 14px; }
.pf-table th, .pf-table td { padding: 7px 4px; border-bottom: 1px solid var(--rule); text-align: right; vertical-align: top; }
.pf-table th:first-child, .pf-table td:first-child { text-align: left; }
.pf-table th { color: var(--ink-soft); font-weight: 600; font-size: 12px; }
.pf-table td small { display: block; color: var(--ink-soft); font-size: 11.5px; }
.pf-table .rm { background: none; border: 0; color: var(--ink-soft); cursor: pointer; font-size: 16px; padding: 0 2px; }
.pf-dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; vertical-align: 1px; }