/* ==========================================================================
   kWh Garage — design system
   ========================================================================== */
:root {
  --bg: #f6f7f9;
  --bg-elev: #ffffff;
  --bg-sunk: #eef0f3;
  --text: #0f1419;
  --text-2: #4a5563;
  --text-3: #7a8594;
  --border: #e2e6eb;
  --border-strong: #cfd5dc;
  --accent: #2f6bff;
  --accent-2: #1f55e0;
  --accent-soft: #e8efff;
  --good: #0f9d6b;
  --good-soft: #e3f6ee;
  --bad: #d6403a;
  --bad-soft: #fdecea;
  --warn: #c98200;
  --warn-soft: #fff4dc;
  --c1: #2f6bff; --c2: #0f9d6b; --c3: #e8833a; --c4: #9b5de5; --c5: #d6403a; --c6: #00a3c4;
  --shadow: 0 1px 2px rgba(15,20,25,.04), 0 4px 16px rgba(15,20,25,.06);
  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1200px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0d10; --bg-elev: #14171c; --bg-sunk: #1b1f26; --text: #eef1f5; --text-2: #b3bcc8; --text-3: #7f8a98;
    --border: #252a33; --border-strong: #343b46; --accent: #5b8cff; --accent-2: #7aa2ff; --accent-soft: #1a2442;
    --good: #2fc78f; --good-soft: #0f2a20; --bad: #ff6b63; --bad-soft: #351816; --warn: #f0b23a; --warn-soft: #33270c;
    --c1: #5b8cff; --c2: #2fc78f; --c3: #f39a55; --c4: #b48cf2; --c5: #ff6b63; --c6: #2ec5e3;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 24px rgba(0,0,0,.35); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0d10; --bg-elev: #14171c; --bg-sunk: #1b1f26; --text: #eef1f5; --text-2: #b3bcc8; --text-3: #7f8a98;
  --border: #252a33; --border-strong: #343b46; --accent: #5b8cff; --accent-2: #7aa2ff; --accent-soft: #1a2442;
  --good: #2fc78f; --good-soft: #0f2a20; --bad: #ff6b63; --bad-soft: #351816; --warn: #f0b23a; --warn-soft: #33270c;
  --c1: #5b8cff; --c2: #2fc78f; --c3: #f39a55; --c4: #b48cf2; --c5: #ff6b63; --c6: #2ec5e3;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 24px rgba(0,0,0,.35); color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html[data-region="UK"] [data-us-only], html:not([data-region="UK"]) [data-uk-only] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.55 var(--font); font-feature-settings: "tnum" 1, "cv11" 1; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.015em; }
h1 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 750; }
h2 { font-size: 1.45rem; font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 650; }
p { margin: 0 0 1em; }
small { color: var(--text-3); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
@media (max-width: 600px) { .container { padding: 0 16px; } }
.muted { color: var(--text-2); }
.tiny { font-size: .8rem; color: var(--text-3); }
.good { color: var(--good); } .bad { color: var(--bad); } .warn { color: var(--warn); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--border); }
.site-header .bar { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.05rem; color: var(--text); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), var(--c6)); display: grid; place-items: center; color: #fff; }
.brand-mark svg { width: 16px; height: 16px; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a { color: var(--text-2); padding: 7px 11px; border-radius: 8px; font-weight: 550; font-size: .93rem; }
.nav a:hover { background: var(--bg-sunk); color: var(--text); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); background: var(--bg-sunk); }
.header-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.icon-btn { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text-2); cursor: pointer; }
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-btn svg { width: 18px; height: 18px; }
.menu-btn { display: none; }
.region-seg { display: flex; padding: 3px; gap: 2px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-elev); }
.region-seg button { border: 0; background: none; font: inherit; font-size: .78rem; font-weight: 700; color: var(--text-3); padding: 5px 8px; border-radius: 7px; cursor: pointer; white-space: nowrap; }
.region-seg button:hover { color: var(--text); }
.region-seg button[aria-pressed="true"] { background: var(--text); color: var(--bg); }
.garage-pill { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-weight: 600; font-size: .85rem; white-space: nowrap; }
.garage-pill:hover { text-decoration: none; filter: brightness(.97); }
@media (max-width: 860px) {
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; background: var(--bg-elev); border-bottom: 1px solid var(--border); padding: 10px 16px 16px; margin: 0; }
  .nav.open { display: flex; }
  .nav a { padding: 11px 12px; }
  .menu-btn { display: grid; }
  .garage-pill span.lbl { display: none; }
}
@media (max-width: 420px) { .site-header .bar { gap: 10px; } .header-actions { gap: 5px; } .brand { font-size: .95rem; } .region-seg button { padding: 5px 6px; } }

/* ---------- Footer ---------- */
.site-footer { margin-top: 72px; border-top: 1px solid var(--border); background: var(--bg-elev); padding: 40px 0 28px; color: var(--text-2); font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 28px; }
.footer-grid h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin-bottom: 10px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.footer-grid a { color: var(--text-2); }
.footer-legal { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--border); font-size: .8rem; color: var(--text-3); display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }

/* ---------- Buttons / chips ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 9px 15px; border-radius: 10px; border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text); font: inherit; font-weight: 600; font-size: .9rem; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--text-3); text-decoration: none; }
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-sunk); border-color: transparent; color: var(--text); }
.btn-sm { padding: 6px 11px; font-size: .84rem; border-radius: 8px; }
.btn-lg { padding: 12px 20px; font-size: 1rem; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text-2); font: inherit; font-size: .85rem; font-weight: 550; cursor: pointer; }
.chip:hover { border-color: var(--border-strong); color: var(--text); }
.chip[aria-pressed="true"], .chip.active { background: var(--text); color: var(--bg); border-color: var(--text); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .72rem; font-weight: 700; letter-spacing: .02em; background: var(--bg-sunk); color: var(--text-2); }
.badge-new { background: var(--good-soft); color: var(--good); }
.badge-accent { background: var(--accent-soft); color: var(--accent); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }

/* ---------- Cards ---------- */
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card + .card { margin-top: 18px; }
.grid-2 > .card, .grid-3 > .card, .feature-grid > .card, .stats > *, .tool-grid-cards > * { margin-top: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.card-head h2, .card-head h3 { margin: 0; }
@media (max-width: 600px) { .card { padding: 16px; } }

/* ---------- Home ---------- */
.hero { padding: 64px 0 36px; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); max-width: 16ch; }
.hero p.lede { font-size: 1.15rem; color: var(--text-2); max-width: 60ch; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 36px 0 8px; }
.kpis .kpi { padding: 16px 18px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-elev); }
.kpis .kpi b { display: block; font-size: 1.6rem; letter-spacing: -.02em; }
.kpis .kpi span { color: var(--text-3); font-size: .85rem; }
@media (max-width: 700px) { .kpis { grid-template-columns: 1fr 1fr; } }
.section { padding: 40px 0 8px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.section-head h2 { margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-grid .card h3 { margin-top: 10px; }
.feature-ico { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-size: 1.15rem; }
@media (max-width: 860px) { .feature-grid { grid-template-columns: 1fr; } }

/* ---------- Tools hub ---------- */
.hub-hero { padding: 44px 0 18px; }
.hub-controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 18px 0 22px; }
.search { position: relative; flex: 1 1 280px; max-width: 420px; }
.search input, .search input[type="text"] { width: 100%; padding: 11px 14px 11px 40px; border-radius: 11px; border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text); font: inherit; }
.search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--text-3); }
.search kbd { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font: 600 .72rem var(--mono); color: var(--text-3); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.tool-cat { margin-top: 30px; }
.tool-cat > h2 { font-size: 1.05rem; color: var(--text-2); font-weight: 650; display: flex; align-items: center; gap: 8px; }
.tool-grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 14px; }
.tool-card { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 18px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); transition: border-color .15s, transform .15s, box-shadow .15s; }
.tool-card:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.tool-card .ico { font-size: 1.5rem; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 11px; background: var(--bg-sunk); }
.tool-card h3 { margin: 4px 0 0; font-size: 1rem; }
.tool-card p { margin: 0; color: var(--text-2); font-size: .9rem; }
.tool-card .meta { margin-top: auto; padding-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.tool-card .badges { position: absolute; top: 16px; right: 16px; display: flex; gap: 4px; }
.tool-card .fav { position: absolute; bottom: 12px; right: 12px; border: 0; background: none; color: var(--text-3); cursor: pointer; font-size: 1.1rem; padding: 4px; line-height: 1; }
.tool-card .fav[aria-pressed="true"] { color: var(--warn); }
.empty { padding: 40px; text-align: center; color: var(--text-3); border: 1px dashed var(--border-strong); border-radius: var(--radius); }

/* ---------- Tool page ---------- */
.crumbs { font-size: .85rem; color: var(--text-3); padding-top: 22px; }
.crumbs a { color: var(--text-3); }
.tool-hero { display: flex; gap: 16px; align-items: flex-start; padding: 14px 0 22px; flex-wrap: wrap; }
.tool-hero .ico { font-size: 1.9rem; width: 58px; height: 58px; display: grid; place-items: center; border-radius: 14px; background: var(--bg-elev); border: 1px solid var(--border); flex: none; }
.tool-hero .txt { flex: 1 1 400px; }
.tool-hero h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 6px; }
.tool-hero .lede { color: var(--text-2); margin: 0; max-width: 70ch; }
.toolbar { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.tool-layout { display: grid; grid-template-columns: minmax(300px, 380px) 1fr; gap: 20px; align-items: start; }
@media (max-width: 920px) { .tool-layout { grid-template-columns: 1fr; } }
.results { min-width: 0; }
.results > * + * { margin-top: 18px; }

/* Form fields */
.fieldset { border: 0; padding: 0; margin: 0 0 18px; }
.fieldset > legend, .group-title { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--text-3); margin-bottom: 10px; padding: 0; }
.field { margin-bottom: 13px; }
.field > label, .field > .label { display: flex; justify-content: space-between; gap: 8px; font-size: .86rem; font-weight: 600; color: var(--text-2); margin-bottom: 5px; }
.field > label output, .field > .label output { font-weight: 700; color: var(--text); font-family: var(--mono); font-size: .84rem; }
.hint, .field .hint { display: block; font-size: .76rem; color: var(--text-3); margin-top: 4px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field-row > .field { min-width: 0; }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap[data-prefix]::before { content: attr(data-prefix); position: absolute; left: 11px; color: var(--text-3); font-size: .92rem; pointer-events: none; }
.input-wrap[data-suffix]::after { content: attr(data-suffix); position: absolute; right: 11px; color: var(--text-3); font-size: .82rem; pointer-events: none; }
.input-wrap[data-prefix] input { padding-left: 24px; }
.input-wrap[data-suffix] input { padding-right: 56px; }
input[type="number"], input[type="text"], input[type="date"], input[type="email"], select, textarea {
  width: 100%; padding: 9px 11px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--bg); color: var(--text); font: inherit; font-size: .94rem;
}
input[type="number"] { -moz-appearance: textfield; }
input::-webkit-outer-spin-button, input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a8594' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 11px center; padding-right: 32px; }
input[type="range"] { width: 100%; accent-color: var(--accent); margin: 4px 0 0; }
.check { display: flex; align-items: center; gap: 9px; font-size: .9rem; color: var(--text-2); margin-bottom: 10px; cursor: pointer; }
.check input { width: 17px; height: 17px; accent-color: var(--accent); }
.seg { display: flex; padding: 3px; background: var(--bg-sunk); border-radius: 10px; gap: 3px; }
.seg label { flex: 1; text-align: center; cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 7px 8px; border-radius: 8px; font-size: .85rem; font-weight: 600; color: var(--text-2); }
.seg input:checked + span { background: var(--bg-elev); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.seg input:focus-visible + span { outline: 2px solid var(--accent); }
.garage-note { display: flex; gap: 8px; align-items: center; font-size: .8rem; color: var(--text-2); background: var(--accent-soft); padding: 8px 11px; border-radius: 9px; margin-bottom: 16px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.stat { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); min-width: 0; }
.stat .k { font-size: .78rem; color: var(--text-3); font-weight: 650; text-transform: uppercase; letter-spacing: .05em; }
.stat .v { font-size: 1.65rem; font-weight: 750; letter-spacing: -.025em; margin-top: 2px; overflow-wrap: anywhere; }
.stat .s { font-size: .82rem; color: var(--text-2); margin-top: 2px; }
.stat.hero-stat { background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--c6))); border-color: transparent; color: #fff; }
.stat.hero-stat .k, .stat.hero-stat .s { color: rgba(255,255,255,.85); }
.stat.good .v { color: var(--good); } .stat.bad .v { color: var(--bad); }

/* Verdict / callouts */
.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px; background: var(--accent-soft); color: var(--text); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.callout.good { background: var(--good-soft); border-color: color-mix(in srgb, var(--good) 30%, transparent); }
.callout.bad { background: var(--bad-soft); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }
.callout.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.callout .ico { font-size: 1.3rem; line-height: 1.2; }
.callout p:last-child { margin: 0; }

/* Meter / progress */
.meter { height: 12px; border-radius: 999px; background: var(--bg-sunk); overflow: hidden; }
.meter > i { display: block; height: 100%; border-radius: inherit; background: var(--accent); transition: width .4s ease; }
.gauge-wrap { display: grid; place-items: center; }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 11px; }
table.data { width: 100%; border-collapse: collapse; font-size: .88rem; font-variant-numeric: tabular-nums; }
table.data th, table.data td { padding: 9px 12px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data thead th { background: var(--bg-sunk); font-weight: 650; color: var(--text-2); font-size: .8rem; position: sticky; top: 0; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover td { background: color-mix(in srgb, var(--bg-sunk) 55%, transparent); }
table.data tr.hl td { background: var(--accent-soft); font-weight: 650; }
.table-scroll { max-height: 420px; overflow: auto; }

/* Charts */
.chart { position: relative; width: 100%; min-height: 260px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .axis text { fill: var(--text-3); font-size: 11px; font-family: var(--font); }
.chart .grid line { stroke: var(--border); }
.chart .zero { stroke: var(--border-strong); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .82rem; color: var(--text-2); margin-top: 8px; }
.chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.chart-tip { position: absolute; pointer-events: none; background: var(--text); color: var(--bg); padding: 8px 10px; border-radius: 8px; font-size: .8rem; line-height: 1.4; white-space: nowrap; transform: translate(-50%, calc(-100% - 12px)); opacity: 0; transition: opacity .1s; z-index: 5; box-shadow: var(--shadow); }
.chart-tip b { font-weight: 700; }
.chart-tip i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; overflow-x: auto; }
.tabs button { border: 0; background: none; font: inherit; font-weight: 600; font-size: .9rem; color: var(--text-3); padding: 9px 12px; border-bottom: 2px solid transparent; cursor: pointer; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }

/* Prose / notes */
.prose { color: var(--text-2); }
.prose > * { max-width: 78ch; }
.prose h2, .prose h3 { color: var(--text); margin-top: 1.4em; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .35em; }
details.faq { border-bottom: 1px solid var(--border); padding: 12px 0; }
details.faq summary { cursor: pointer; font-weight: 600; color: var(--text); list-style: none; display: flex; justify-content: space-between; gap: 10px; }
details.faq summary::after { content: "+"; color: var(--text-3); font-weight: 400; font-size: 1.2rem; line-height: 1; }
details.faq[open] summary::after { content: "−"; }
details.faq > div { margin-top: 8px; color: var(--text-2); }

/* Scenarios drawer */
.scenarios { margin-top: 14px; }
.scenario-list { display: grid; gap: 6px; margin-top: 8px; }
.scenario-item { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 9px; font-size: .86rem; }
.scenario-item .name { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scenario-item button { border: 0; background: none; color: var(--text-3); cursor: pointer; font: inherit; font-size: .8rem; padding: 2px 6px; border-radius: 6px; }
.scenario-item button:hover { background: var(--bg-sunk); color: var(--text); }

/* Related */
.related { margin-top: 40px; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-weight: 600; font-size: .9rem; opacity: 0; pointer-events: none; transition: all .2s; z-index: 100; box-shadow: var(--shadow); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Quiz */
.quiz-q { font-size: 1.2rem; font-weight: 650; margin-bottom: 14px; }
.quiz-opts { display: grid; gap: 8px; }
.quiz-opt { text-align: left; padding: 13px 16px; border-radius: 11px; border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text); font: inherit; cursor: pointer; }
.quiz-opt:hover { border-color: var(--accent); background: var(--accent-soft); }

/* Utility grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-2 > *, .grid-3 > * { min-width: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 760px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.mt-0 { margin-top: 0 !important; } .mb-0 { margin-bottom: 0 !important; }
hr.sep { border: 0; border-top: 1px solid var(--border); margin: 18px 0; }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; font-size: .9rem; }
.kv dt { color: var(--text-2); } .kv dd { margin: 0; text-align: right; font-weight: 650; font-variant-numeric: tabular-nums; }
.kv .total { border-top: 1px solid var(--border); padding-top: 6px; color: var(--text); font-weight: 700; }

/* Print */
@media print {
  .site-header, .site-footer, .toolbar, .related, .scenarios, .no-print, .menu-btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .stat { box-shadow: none; break-inside: avoid; }
  .tool-layout { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }