/* =========================================================
   উত্তরাধিকার — app UI
   Fonts: Kalpurush (text) + Boishkhi (display), self-hosted
   Mobile first · safe-area aware · light/dark · 320px → 4K
   ========================================================= */

@font-face { font-family: "Kalpurush"; src: url("../fonts/kalpurush.woff?v=4") format("woff"); font-display: swap; }
@font-face { font-family: "Boishkhi"; src: url("../fonts/Boishkhi.woff?v=4") format("woff"); font-display: swap; }

:root {
  color-scheme: light;
  --tint: #5b2d8e;
  --tint-2: #7c4dbe;
  --tint-soft: rgba(91, 45, 142, .10);
  --tint-ring: rgba(91, 45, 142, .28);
  --green: #1d8a4e;
  --green-soft: rgba(29, 138, 78, .12);
  --red: #d6455d;
  --bg: #f5f3f9;
  --bg-grad: radial-gradient(1200px 520px at 85% -120px, rgba(124, 77, 190, .16), transparent 70%),
             radial-gradient(900px 420px at -10% 0, rgba(29, 138, 78, .10), transparent 70%);
  --surface: #ffffff;
  --surface-2: #f7f5fb;
  --surface-3: #efebf6;
  --label: #1b1530;
  --label-2: #625b78;
  --label-3: #a59fb6;
  --sep: rgba(60, 45, 90, .12);
  --glass: rgba(255, 255, 255, .78);
  --shadow-sm: 0 1px 2px rgba(30, 20, 60, .05);
  --shadow: 0 1px 2px rgba(30, 20, 60, .05), 0 10px 30px -12px rgba(40, 20, 80, .16);
  --shadow-lg: 0 18px 50px -12px rgba(30, 15, 70, .35);
  --r-card: 20px;
  --r-ctl: 14px;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);
  --font: "Kalpurush", "Noto Sans Bengali", "Hind Siliguri", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-en: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Kalpurush", sans-serif;
  --font-display: "Boishkhi", "Kalpurush", "Noto Sans Bengali", serif;
  --ease: cubic-bezier(.32, .72, 0, 1);
  --dock-h: 74px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --tint: #c4a4ff;
  --tint-2: #a77ff0;
  --tint-soft: rgba(196, 164, 255, .14);
  --tint-ring: rgba(196, 164, 255, .35);
  --green: #4cc68a;
  --green-soft: rgba(76, 198, 138, .16);
  --red: #ff7088;
  --bg: #0c0a12;
  --bg-grad: radial-gradient(1100px 500px at 85% -140px, rgba(124, 77, 190, .28), transparent 70%),
             radial-gradient(800px 380px at -10% 0, rgba(29, 138, 78, .14), transparent 70%);
  --surface: #17141f;
  --surface-2: #1f1b29;
  --surface-3: #2a2536;
  --label: #f3f0fa;
  --label-2: #aca5bf;
  --label-3: #6c6580;
  --sep: rgba(255, 255, 255, .09);
  --glass: rgba(26, 22, 36, .78);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -14px rgba(0, 0, 0, .7);
  --shadow-lg: 0 18px 50px -10px rgba(0, 0, 0, .8);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 76px; }
body {
  font-family: var(--font);
  font-size: 17px;
  background: var(--bg-grad), var(--bg);
  background-attachment: fixed;
  color: var(--label);
  line-height: 1.5;
  min-height: 100vh; min-height: 100dvh;
  padding-left: var(--sal); padding-right: var(--sar);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[data-lang="en"] body { font-family: var(--font-en); font-size: 16px; }
html[data-lang="bn"] .en-only, html[data-lang="en"] .bn-only { display: none !important; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; touch-action: manipulation; }
img, svg { display: block; flex: none; max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--tint); }
:focus-visible { outline: 2px solid var(--tint); outline-offset: 2px; border-radius: 6px; }

.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 1024px) { .wrap { max-width: 1180px; padding: 0 28px; } }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50; padding-top: var(--sat);
  background: transparent; transition: background .25s, box-shadow .25s, border-color .25s;
  border-bottom: 1px solid transparent;
}
.topbar.scrolled {
  background: var(--glass); border-bottom-color: var(--sep);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
}
.topbar-row { height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; text-decoration: none; color: inherit; }
.brand .seal { width: 38px; height: 38px; border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-sm); display: grid; place-items: center; overflow: hidden; }
.brand .seal img { width: 30px; height: 30px; object-fit: contain; }
.brand .name { font-family: var(--font-display); font-size: 1.35rem; line-height: 1; color: var(--tint); white-space: nowrap; }
.brand .name small { display: block; font-family: var(--font); font-size: .68rem; color: var(--label-2); margin-top: 3px; letter-spacing: .01em; }
html[data-lang="en"] .brand .name { font-family: var(--font-en); font-weight: 800; font-size: 1.1rem; }
.top-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  width: 40px; height: 40px; border-radius: 12px; background: var(--surface); color: var(--tint);
  display: grid; place-items: center; box-shadow: var(--shadow-sm); border: 1px solid var(--sep);
  transition: transform .15s var(--ease), background .2s;
}
.icon-btn:active { transform: scale(.92); }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn .sun { display: none; } :root[data-theme="dark"] .icon-btn .sun { display: block; } :root[data-theme="dark"] .icon-btn .moon { display: none; }

.segmented {
  display: inline-grid; grid-auto-flow: column; grid-auto-columns: 1fr; position: relative;
  background: var(--surface-3); border-radius: 12px; padding: 3px; border: 1px solid var(--sep);
}
.segmented button { position: relative; z-index: 1; padding: 4px 12px; font-size: .85rem; font-weight: 700; border-radius: 9px; color: var(--label-2); min-height: 32px; transition: color .2s; }
.segmented button[aria-pressed="true"] { color: var(--label); }
.segmented .thumb { position: absolute; top: 3px; bottom: 3px; left: 3px; width: calc(50% - 3px); background: var(--surface); border-radius: 9px; box-shadow: 0 2px 6px rgba(0, 0, 0, .14); transition: transform .3s var(--ease); }
.segmented[data-v="en"] .thumb { transform: translateX(100%); }
.segmented button[data-lang="bn"] { font-family: var(--font); }

/* ---------- Hero ---------- */
.hero { padding: 10px 0 8px; }
.hero h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2.3rem, 1.6rem + 3.4vw, 3.6rem); line-height: 1.12; color: var(--label); }
.hero h1 .accent { color: var(--green); }
html[data-lang="en"] .hero h1 { font-family: var(--font-en); font-weight: 800; letter-spacing: -.03em; font-size: clamp(2rem, 1.4rem + 3vw, 3rem); }
.hero p { color: var(--label-2); font-size: 1.02rem; margin-top: 4px; max-width: 46ch; }
.steps-strip { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.steps-strip span { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--label-2); background: var(--surface); border: 1px solid var(--sep); padding: 4px 10px 4px 5px; border-radius: 30px; }
.steps-strip b { width: 20px; height: 20px; border-radius: 50%; background: var(--tint-soft); color: var(--tint); display: grid; place-items: center; font-size: .75rem; }

.page-title { padding: 10px 0 6px; display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.page-title h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2rem, 1.5rem + 2.4vw, 2.8rem); line-height: 1.15; }
html[data-lang="en"] .page-title h1 { font-family: var(--font-en); font-weight: 800; letter-spacing: -.02em; }
.page-title p { color: var(--label-2); font-size: .98rem; }

main { padding-bottom: calc(var(--dock-h) + 110px + var(--sab)); transition: padding .3s var(--ease); }
.panel { display: none; }
.panel.active { display: block; animation: pageIn .4s var(--ease); }
@keyframes pageIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* Home layout: form + side summary on wide screens */
.home-grid { display: block; }
.side-card { display: none; }
@media (min-width: 1024px) {
  .home-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; align-items: start; }
  .side-card { display: block; position: sticky; top: 84px; }
}

/* ---------- Grouped lists ---------- */
.group-label { display: flex; align-items: center; gap: 8px; font-size: .86rem; font-weight: 700; color: var(--label-2); padding: 22px 6px 8px; }
.group-label .gi { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font-size: 14px; background: var(--surface); box-shadow: var(--shadow-sm); }
.group-label .count { margin-left: auto; font-weight: 700; font-size: .78rem; color: var(--tint); background: var(--tint-soft); padding: 1px 9px; border-radius: 20px; }
.group-footer { font-size: .84rem; color: var(--label-2); padding: 8px 6px 0; }
.list { background: var(--surface); border-radius: var(--r-card); box-shadow: var(--shadow); overflow: hidden; border: 1px solid var(--sep); }
.row { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 56px; padding: 8px 14px 8px 16px; transition: background .2s; }
.row + .row::before { content: ""; position: absolute; top: 0; left: 16px; right: 0; height: 1px; background: var(--sep); }
.row .title { font-size: 1rem; flex: 1; min-width: 0; overflow-wrap: anywhere; }
.row .sub { display: block; font-size: .8rem; color: var(--label-2); }
.row.on { background: linear-gradient(90deg, var(--tint-soft), transparent 80%); }
.row.on .title { font-weight: 700; }
.row.tappable { width: 100%; text-align: left; cursor: pointer; }
.row.tappable:active { background: var(--surface-2); }
.row-icon { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #fff; flex: none; font-size: 16px; }
.heir-row { cursor: pointer; user-select: none; }

/* switch */
.switch {
  appearance: none; -webkit-appearance: none; flex: none; width: 51px; height: 31px; border-radius: 31px;
  background: var(--surface-3); position: relative; cursor: pointer; transition: background .25s; outline: none;
  box-shadow: inset 0 0 0 1px var(--sep);
}
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 27px; height: 27px; border-radius: 50%; background: #fff; box-shadow: 0 3px 8px rgba(0, 0, 0, .22), 0 1px 1px rgba(0, 0, 0, .14); transition: transform .3s var(--ease), width .2s; }
.switch:checked { background: var(--green); box-shadow: none; }
.switch:checked::after { transform: translateX(20px); }
.switch:focus-visible { box-shadow: 0 0 0 3px var(--tint-ring); }

/* stepper */
.stepper { display: inline-flex; align-items: center; background: var(--surface-3); border-radius: 11px; overflow: hidden; flex: none; border: 1px solid var(--sep); }
.stepper button { width: 40px; height: 36px; font-size: 1.3rem; line-height: 1; font-weight: 600; color: var(--tint); display: grid; place-items: center; transition: background .12s; }
.stepper button:active { background: var(--tint-soft); }
.stepper button:disabled { color: var(--label-3); cursor: default; }
.stepper .val { min-width: 30px; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
.ctrl { display: flex; align-items: center; gap: 10px; }

.nested { background: var(--surface-2); margin-top: 8px; }
.nested .row { padding-left: 22px; }
.branch-title { font-size: .8rem; font-weight: 700; color: var(--tint); padding: 10px 16px 2px; }

/* asset inputs */
.field-row { cursor: text; }
.field-row .title { flex: none; min-width: 70px; font-weight: 700; }
.field-row .input-wrap { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: flex-end; min-width: 0; }
.field-row input {
  width: 100%; min-width: 0; max-width: 200px; text-align: right; background: var(--surface-2); border: 1px solid var(--sep); border-radius: 10px;
  outline: 0; font-size: 1.05rem; font-weight: 700; color: var(--tint); padding: 7px 10px; font-variant-numeric: tabular-nums;
  transition: border-color .2s, box-shadow .2s;
}
.field-row input:focus { border-color: var(--tint); box-shadow: 0 0 0 3px var(--tint-ring); background: var(--surface); }
.field-row input::placeholder { color: var(--label-3); font-weight: 500; }
.field-row .unit { color: var(--label-2); font-size: .85rem; min-width: 44px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 22px;
  border-radius: var(--r-ctl); font-weight: 700; font-size: 1.04rem; background: var(--tint); color: #fff;
  transition: transform .15s var(--ease), filter .2s, box-shadow .2s; box-shadow: 0 8px 20px -8px var(--tint-ring);
  text-decoration: none; white-space: nowrap;
}
:root[data-theme="dark"] .btn { color: #1b1030; }
.btn:active { transform: scale(.97); }
.btn:hover { filter: brightness(1.06); }
.btn svg { width: 20px; height: 20px; }
.btn-secondary { background: var(--surface); color: var(--tint); box-shadow: var(--shadow-sm); border: 1px solid var(--sep); }
:root[data-theme="dark"] .btn-secondary { color: var(--tint); }
.btn-green { background: var(--green); box-shadow: 0 8px 20px -8px rgba(29, 138, 78, .5); }
.btn-block { width: 100%; }
.btn-sm { min-height: 40px; padding: 0 14px; font-size: .92rem; border-radius: 12px; }
.btn-row { display: flex; gap: 10px; margin-top: 22px; }
.btn-row .btn { flex: 1; }

/* side summary (desktop) */
.side-card .card { background: var(--surface); border-radius: 24px; box-shadow: var(--shadow); border: 1px solid var(--sep); padding: 20px; }
.side-card h3 { font-family: var(--font-display); font-weight: 400; font-size: 1.5rem; color: var(--tint); }
html[data-lang="en"] .side-card h3 { font-family: var(--font-en); font-weight: 800; font-size: 1.15rem; }
.side-card .big { font-size: 2.6rem; font-weight: 800; line-height: 1; margin: 12px 0 2px; font-variant-numeric: tabular-nums; }
.side-card .muted { color: var(--label-2); font-size: .9rem; }
.chips-sel { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 16px; max-height: 240px; overflow: auto; }
.chips-sel span { font-size: .82rem; background: var(--tint-soft); color: var(--tint); border-radius: 20px; padding: 3px 10px; font-weight: 700; }
.chips-sel .none { background: none; color: var(--label-3); padding: 0; font-weight: 400; }

/* ---------- Dock: floating calculate bar + tab bar, auto-hide like the macOS Dock ---------- */
.dock {
  position: fixed; left: 50%; bottom: calc(12px + var(--sab)); z-index: 60;
  width: min(600px, calc(100% - 20px)); transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 10px;
  transition: transform .45s var(--ease), opacity .3s;
}
body.dock-hidden .dock { transform: translate(-50%, calc(100% + 30px)); opacity: 0; pointer-events: none; }

.calc-bar {
  display: flex; align-items: center; gap: 12px; padding: 8px 8px 8px 18px; border-radius: 22px;
  background: var(--glass); box-shadow: var(--shadow-lg); border: 1px solid var(--sep);
  -webkit-backdrop-filter: saturate(180%) blur(22px); backdrop-filter: saturate(180%) blur(22px);
}
.calc-bar .info { flex: 1; min-width: 0; font-size: .86rem; color: var(--label-2); line-height: 1.25; }
.calc-bar .info b { display: block; font-size: 1.1rem; color: var(--label); }
.calc-bar .btn { min-height: 46px; border-radius: 16px; }
body:not(.on-home) .calc-bar { display: none; }
@media (min-width: 1024px) { .calc-bar { display: none !important; } }

.tabbar {
  display: grid; grid-template-columns: repeat(5, 1fr); padding: 6px; border-radius: 26px;
  background: var(--glass); border: 1px solid var(--sep); box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: saturate(180%) blur(26px); backdrop-filter: saturate(180%) blur(26px);
}
.tab { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 7px 2px 5px; border-radius: 20px; color: var(--label-2); font-size: .74rem; font-weight: 700; transition: color .2s, background .25s, transform .15s var(--ease); min-height: 54px; }
.tab:active { transform: scale(.93); }
.tab.active { color: var(--tint); background: var(--tint-soft); }
.tab svg { width: 24px; height: 24px; }
.tab .dot { position: absolute; top: 6px; right: calc(50% - 18px); width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 2px var(--surface); }

/* reveal handle shown while the dock is hidden */
.dock-handle {
  position: fixed; left: 50%; bottom: calc(8px + var(--sab)); z-index: 61; transform: translate(-50%, 140%);
  display: flex; align-items: center; gap: 8px; padding: 8px 16px 8px 12px; border-radius: 30px;
  background: var(--glass); color: var(--tint); border: 1px solid var(--sep); box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: saturate(180%) blur(22px); backdrop-filter: saturate(180%) blur(22px);
  font-size: .82rem; font-weight: 700; opacity: 0; pointer-events: none;
  transition: transform .45s var(--ease), opacity .3s;
}
.dock-handle svg { width: 18px; height: 18px; animation: nudge 1.8s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { transform: translateY(1px); } 50% { transform: translateY(-3px); } }
body.dock-hidden .dock-handle { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }
.dock-hotzone { position: fixed; left: 0; right: 0; bottom: 0; height: 22px; z-index: 59; }
@media (hover: none) { .dock-hotzone { display: none; } }

/* ---------- Results ---------- */
.res-grid { display: block; }
@media (min-width: 1024px) {
  .res-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 26px; align-items: start; }
  .res-side { position: sticky; top: 84px; }
}
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.stat { background: var(--surface); border-radius: 18px; padding: 14px 16px; box-shadow: var(--shadow); border: 1px solid var(--sep); min-width: 0; }
.stat .k { font-size: .8rem; font-weight: 700; color: var(--label-2); display: flex; align-items: center; gap: 6px; }
.stat .v { font-size: 1.55rem; font-weight: 800; margin-top: 2px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; line-height: 1.2; }
.stat .v small { font-size: .8rem; font-weight: 700; color: var(--label-2); margin-left: 4px; }
.stat.hl { background: linear-gradient(135deg, var(--tint), var(--tint-2)); color: #fff; border: 0; }
.stat.hl .k { color: rgba(255, 255, 255, .8); }
:root[data-theme="dark"] .stat.hl { color: #1b1030; } :root[data-theme="dark"] .stat.hl .k { color: rgba(27, 16, 48, .75); }

.actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.actions .btn { padding: 0 10px; font-size: .95rem; }
@media (max-width: 380px) { .actions { grid-template-columns: 1fr 1fr; } .actions .btn:first-child { grid-column: 1 / -1; } }

.view-toggle { display: inline-grid; grid-auto-flow: column; background: var(--surface-3); border-radius: 11px; padding: 3px; border: 1px solid var(--sep); }
.view-toggle button { padding: 3px 12px; border-radius: 8px; font-size: .82rem; font-weight: 700; color: var(--label-2); min-height: 30px; }
.view-toggle button[aria-pressed="true"] { background: var(--surface); color: var(--tint); box-shadow: 0 1px 4px rgba(0, 0, 0, .12); }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 22px 6px 8px; }
.section-head .group-label { padding: 0; }

.heir-card { background: var(--surface); border-radius: var(--r-card); padding: 14px 16px; box-shadow: var(--shadow); border: 1px solid var(--sep); margin-top: 10px; animation: pageIn .45s var(--ease) backwards; }
.heir-card.ex { opacity: .62; box-shadow: none; }
.heir-top { display: flex; align-items: center; gap: 12px; }
.avatar { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; color: #fff; font-weight: 700; flex: none; font-size: 1.15rem; }
.heir-name { font-weight: 700; flex: 1; min-width: 0; overflow-wrap: anywhere; line-height: 1.3; }
.heir-name small { display: block; font-weight: 400; color: var(--label-2); font-size: .84rem; margin-top: 2px; }
.heir-name small b { color: var(--label); font-weight: 700; }
.pct { font-size: 1.4rem; font-weight: 800; font-variant-numeric: tabular-nums; white-space: nowrap; }
.badge-ex { font-size: .74rem; font-weight: 700; color: var(--red); background: rgba(214, 69, 93, .1); border-radius: 20px; padding: 2px 9px; white-space: nowrap; }
.bar { height: 8px; border-radius: 8px; background: var(--surface-3); margin: 12px 0 10px; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 8px; width: 0; transition: width 1s var(--ease); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: .84rem; font-weight: 700; padding: 4px 10px; border-radius: 20px; background: var(--surface-2); border: 1px solid var(--sep); font-variant-numeric: tabular-nums; }
.chip span { color: var(--label-2); font-weight: 400; margin-right: 4px; }

.table-wrap { background: var(--surface); border-radius: var(--r-card); box-shadow: var(--shadow); border: 1px solid var(--sep); overflow-x: auto; -webkit-overflow-scrolling: touch; margin-top: 10px; }
.share-table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 520px; }
.share-table th, .share-table td { padding: 10px 12px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--sep); font-variant-numeric: tabular-nums; }
.share-table th:first-child, .share-table td:first-child { text-align: left; white-space: normal; min-width: 150px; position: sticky; left: 0; background: var(--surface); }
.share-table thead th { font-size: .8rem; color: var(--label-2); font-weight: 700; background: var(--surface-2); }
.share-table thead th:first-child { background: var(--surface-2); }
.share-table tr.ex td { color: var(--label-3); }
.share-table tfoot td { font-weight: 800; border-bottom: 0; background: var(--surface-2); }

.chart-card { background: var(--surface); border-radius: var(--r-card); padding: 18px; box-shadow: var(--shadow); border: 1px solid var(--sep); margin-top: 10px; }
.chart-card .cv { position: relative; max-width: 300px; margin: 0 auto; aspect-ratio: 1; }
.legend { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px 14px; margin-top: 14px; font-size: .86rem; }
.legend div { display: flex; align-items: center; gap: 8px; min-width: 0; }
.legend i { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.legend span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.legend b { font-variant-numeric: tabular-nums; }

.steps-list { counter-reset: s; }
.steps-list .row { align-items: flex-start; padding: 12px 16px; gap: 12px; }
.steps-list .row::after { counter-increment: s; content: counter(s); order: -1; flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--tint-soft); color: var(--tint); font-size: .8rem; font-weight: 800; display: grid; place-items: center; margin-top: 1px; }
html[data-lang="bn"] .steps-list .row::after { content: counter(s, bengali); }
.steps-list .title { font-size: .95rem; }

.empty { text-align: center; color: var(--label-2); padding: 46px 20px; background: var(--surface); border-radius: var(--r-card); border: 1px dashed var(--sep); }
.empty .ic { font-size: 2.6rem; margin-bottom: 6px; }
.empty .btn { margin-top: 16px; }

/* ---------- Info pages ---------- */
.prose { background: var(--surface); border-radius: var(--r-card); box-shadow: var(--shadow); border: 1px solid var(--sep); padding: 20px; font-size: 1rem; }
.prose h3 { font-family: var(--font-display); font-weight: 400; font-size: 1.35rem; margin: 18px 0 6px; color: var(--tint); }
html[data-lang="en"] .prose h3 { font-family: var(--font-en); font-weight: 800; font-size: 1.08rem; }
.prose h3:first-child { margin-top: 0; }
.prose p, .prose li { margin-bottom: 6px; }
.prose ul, .prose ol { padding-left: 22px; }
.info-grid { display: grid; gap: 14px; }
@media (min-width: 900px) { .info-grid.two { grid-template-columns: 1fr 1fr; align-items: start; } }
.video { position: relative; padding-bottom: 56.25%; border-radius: var(--r-card); overflow: hidden; background: #000; box-shadow: var(--shadow); }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
details.faq { border-bottom: 1px solid var(--sep); padding: 12px 0; }
details.faq:last-child { border-bottom: 0; }
details.faq summary { font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 10px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "›"; transform: rotate(90deg); color: var(--label-3); font-size: 1.4rem; line-height: 1; transition: transform .25s var(--ease); }
details.faq[open] summary::after { transform: rotate(-90deg); }
details.faq p { margin-top: 8px; color: var(--label-2); }

/* ---------- Sheets / modals ---------- */
.sheet-backdrop {
  position: fixed; inset: 0; z-index: 200; background: rgba(12, 6, 24, .45);
  display: flex; align-items: flex-end; justify-content: center; animation: fade .25s ease;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes sheetUp { from { transform: translateY(100%); } to { transform: none; } }
@keyframes pop { from { opacity: 0; transform: scale(.95) translateY(8px); } to { opacity: 1; transform: none; } }
.sheet {
  width: 100%; max-width: 640px; max-height: 92vh; max-height: 92dvh; overflow-y: auto; overscroll-behavior: contain;
  background: var(--bg); color: var(--label); border-radius: 26px 26px 0 0;
  padding: 10px 16px calc(18px + var(--sab)); animation: sheetUp .42s var(--ease); box-shadow: 0 -10px 40px rgba(0, 0, 0, .25);
}
.sheet::before { content: ""; display: block; width: 40px; height: 5px; border-radius: 5px; background: var(--label-3); margin: 0 auto 12px; }
.sheet h3 { text-align: center; font-size: 1.15rem; }
.sheet .hint { text-align: center; color: var(--label-2); font-size: .86rem; margin: 2px 0 12px; }
.sheet .title b { display: block; font-weight: 700; }
.sheet .chev { color: var(--label-3); font-size: 1.3rem; }
.sheet .cancel { margin-top: 12px; }
.ex-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ex-item { display: flex; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--sep); border-radius: 16px; padding: 12px; text-align: left; box-shadow: var(--shadow-sm); transition: transform .15s var(--ease), border-color .2s; min-width: 0; }
.ex-item:hover { border-color: var(--tint-ring); }
.ex-item:active { transform: scale(.97); }
.ex-item .title { min-width: 0; font-size: .95rem; line-height: 1.3; }
.ex-item .sub { display: block; font-size: .78rem; color: var(--label-2); }
@media (max-width: 420px) { .ex-grid { grid-template-columns: 1fr; } }

.sheet.wide { max-width: 980px; }
.sheet .sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; position: sticky; top: -10px; background: var(--bg); padding: 4px 0 12px; z-index: 2; border-bottom: 1px solid var(--sep); margin-bottom: 14px; }
.sheet .sheet-head h3 { text-align: left; }
.sheet .sheet-head .acts { display: flex; gap: 8px; flex-wrap: wrap; }
.close-btn { width: 36px; height: 36px; border-radius: 50%; background: var(--surface-3); color: var(--label-2); font-size: 1.3rem; line-height: 1; display: grid; place-items: center; }
.paper { background: #fff; color: #1c1530; border-radius: 10px; padding: 26px 22px; box-shadow: var(--shadow); overflow-x: auto; }
.paper .hint-edit { font-size: .82rem; color: #6b6480; margin-bottom: 10px; text-align: center; }
.formula { display: flex; gap: 8px; margin-top: 8px; }
.formula input { flex: 1; min-width: 0; padding: 9px 10px; border-radius: 10px; border: 1px solid var(--sep); background: var(--surface); font-family: ui-monospace, Menlo, monospace; font-size: .8rem; }
.note-box { background: var(--green-soft); color: var(--label); border-radius: 14px; padding: 12px 14px; font-size: .92rem; }
.note-box.warn { background: var(--tint-soft); }

@media (min-width: 700px) {
  .sheet-backdrop { align-items: center; padding: 24px; }
  .sheet { border-radius: 26px; padding-bottom: 20px; animation: pop .35s var(--ease); }
  .sheet::before { display: none; }
}

/* toast */
.toast {
  position: fixed; left: 50%; top: calc(var(--sat) + 14px); transform: translate(-50%, -150%); z-index: 300;
  background: rgba(28, 20, 44, .94); color: #fff; padding: 11px 18px; border-radius: 22px; font-size: .95rem; font-weight: 700;
  max-width: calc(100% - 32px); text-align: center; box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
  opacity: 0; visibility: hidden; pointer-events: none; transition: transform .45s var(--ease), opacity .25s, visibility 0s .45s;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; visibility: visible; transition: transform .45s var(--ease), opacity .25s; }

.busy { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; background: rgba(12, 6, 24, .35); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.busy div { background: var(--surface); padding: 18px 22px; border-radius: 18px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px; font-weight: 700; }
.busy i { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--tint-soft); border-top-color: var(--tint); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.foot { text-align: center; color: var(--label-2); font-size: .8rem; padding: 30px 0 6px; }
.foot img { height: 34px; margin: 0 auto 8px; opacity: .9; }

.shake { animation: shake .4s; }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

/* ---------- small / landscape ---------- */
@media (max-width: 360px) {
  body { font-size: 16px; }
  .wrap { padding: 0 12px; }
  .tab { font-size: .66rem; }
  .stepper button { width: 34px; }
  .field-row .title { min-width: 52px; }
  .field-row .unit { min-width: 0; }
  .brand .name small { display: none; }
  .segmented button { padding: 4px 9px; }
}
@media (max-height: 500px) and (orientation: landscape) {
  :root { --dock-h: 58px; }
  .tab { min-height: 42px; flex-direction: row; gap: 6px; }
  .tab svg { width: 20px; height: 20px; }
  .calc-bar { padding: 4px 4px 4px 14px; }
  .calc-bar .btn { min-height: 38px; }
}
@media (hover: hover) {
  .row.tappable:hover, .heir-row:hover { background: var(--surface-2); }
  .heir-row.on:hover { background: linear-gradient(90deg, var(--tint-soft), var(--surface-2)); }
  .icon-btn:hover { background: var(--surface-2); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Print: only the report ---------- */
#printArea { display: none; }
@media print {
  @page { size: A4; margin: 12mm; }
  html, body { background: #fff !important; color: #000; }
  body.print-report > *:not(#printArea) { display: none !important; }
  body.print-report #printArea { display: block !important; }
  body:not(.print-report) .dock, body:not(.print-report) .dock-handle, body:not(.print-report) .topbar .top-actions { display: none !important; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}