/* =========================================================================
 *  bonuscalclab.com — Design System
 *  جهت: آزمایشگاه داده / تیره / داشبورد / نمودار
 *  ساختار با «پنل» ساخته می‌شود، نه با کارت شناور. اعداد نقش اول را دارند.
 * ========================================================================= */

@font-face {
  font-family: 'Vazirmatn';
  src: url('/assets/fonts/Vazirmatn.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #0b0f16;
  --bg-2: #0f1520;
  --panel: #131b28;
  --panel-2: #182131;
  --line: #222e42;
  --line-hi: #2f4059;

  --ink: #e8edf5;
  --ink-2: #a9b6ca;
  --dim: #6c7c94;

  --cyan: #35d6c6;
  --cyan-dim: rgba(53, 214, 198, .14);
  --lime: #9ede4a;
  --amber: #ffbf47;
  --amber-dim: rgba(255, 191, 71, .14);
  --rose: #ff6b6b;
  --rose-dim: rgba(255, 107, 107, .14);
  --violet: #9d8cff;

  --r-sm: 6px;
  --r: 10px;
  --r-lg: 14px;

  --wrap: 1300px;
  --gap: clamp(36px, 5vw, 68px);
  --mono: ui-monospace, 'SF Mono', Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition-duration: .01ms !important; animation-duration: .01ms !important; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: 'Vazirmatn', system-ui, Tahoma, sans-serif;
  font-size: 15.5px; line-height: 1.8; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
/* عنصر مخفی همیشه مخفی بماند — جلوگیری از غلبه‌ی display دکمه‌ها بر [hidden] */
[hidden] { display: none !important; }

img, svg { max-inline-size: 100%; block-size: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0 0 .45em; line-height: 1.25; font-weight: 700; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; inline-size: 100%; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
::selection { background: var(--cyan-dim); color: var(--cyan); }

.sr-only { position: absolute; inline-size: 1px; block-size: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; inset-block-start: -60px; inset-inline-start: 14px; z-index: 300; background: var(--cyan); color: #04120f; padding: 9px 16px; border-radius: var(--r-sm); font-weight: 700; }
.skip:focus { inset-block-start: 10px; }

.wrap { inline-size: min(100% - 34px, var(--wrap)); margin-inline: auto; }
.col { inline-size: min(100% - 34px, 760px); margin-inline: auto; }
@media (max-width: 560px) { .wrap, .col { inline-size: min(100% - 24px, var(--wrap)); } }

.zone { padding-block: var(--gap); }
.zone-sm { padding-block: clamp(24px, 3.5vw, 40px); }
.zone-alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.dim { color: var(--ink-2); }

/* ------------------------------------------------------------- نوار بالا */
.bar { position: sticky; inset-block-start: 0; z-index: 120; background: rgba(11,15,22,.9); backdrop-filter: blur(10px); border-block-end: 1px solid var(--line); }
.bar-in { display: flex; align-items: center; gap: 16px; block-size: 56px; }
.mark { display: inline-flex; align-items: center; gap: 9px; }
.mark-dot { inline-size: 10px; block-size: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px var(--cyan-dim); }
.mark b { font-size: 16px; font-weight: 800; letter-spacing: -.01em; }
.mark span { font-family: var(--mono); font-size: 10px; color: var(--dim); letter-spacing: .12em; }
.bar-nav { display: flex; gap: 2px; margin-inline-start: auto; }
.bar-nav a { padding: 7px 13px; border-radius: var(--r-sm); font-size: 14px; font-weight: 600; color: var(--ink-2); }
.bar-nav a:hover { background: var(--panel); color: var(--ink); }
.bar-nav a.on { background: var(--cyan-dim); color: var(--cyan); }
.bar-tools { display: flex; gap: 6px; align-items: center; }
.ibtn { inline-size: 34px; block-size: 34px; display: inline-grid; place-items: center; border: 1px solid var(--line); background: transparent; border-radius: var(--r-sm); cursor: pointer; color: var(--ink-2); }
.ibtn:hover { border-color: var(--line-hi); color: var(--ink); }
.ver { font-family: var(--mono); font-size: 11px; color: var(--dim); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 3px 8px; }
.hamb { display: none; }
.drawer { display: none; background: var(--bg-2); border-block-end: 1px solid var(--line); padding: 8px 0 14px; }
.drawer[hidden] { display: none; }
.drawer a { display: block; padding: 10px 16px; font-weight: 600; color: var(--ink-2); }
.drawer a:hover { background: var(--panel); color: var(--ink); }
@media (max-width: 980px) {
  .bar-nav { display: none; }
  .hamb { display: inline-grid; }
  .drawer { display: block; }
  .bar-tools { margin-inline-start: auto; }
  .ver { display: none; }
}

/* ------------------------------------------------------------- دکمه‌ها */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 20px; border: 1px solid var(--cyan); border-radius: var(--r-sm);
  background: var(--cyan); color: #04120f; font-weight: 700; font-size: 14px; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: #4ee5d5; border-color: #4ee5d5; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-hi); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: transparent; }
.btn-sm { padding: 6px 13px; font-size: 12.5px; }
.btn-lg { padding: 13px 26px; font-size: 15.5px; }
.btn[aria-disabled='true'] { opacity: .35; pointer-events: none; }

/* ------------------------------------------------------------- سرصفحه */
.head { padding-block: clamp(26px, 4vw, 46px) 0; }
.tag {
  display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono);
  font-size: 11px; letter-spacing: .1em; color: var(--cyan); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 4px 10px; margin-block-end: 16px;
}
.head h1 { font-size: clamp(27px, 4.4vw, 46px); font-weight: 800; letter-spacing: -.03em; max-inline-size: 20ch; }
.head-lead { font-size: clamp(15px, 1.6vw, 18px); color: var(--ink-2); max-inline-size: 66ch; line-height: 1.85; }
.head-meta { display: flex; flex-wrap: wrap; gap: 16px; font-family: var(--mono); font-size: 11.5px; color: var(--dim); margin-block-start: 20px; padding-block-start: 14px; border-block-start: 1px solid var(--line); }

/* -------------------------------------------------------------- پنل */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); }
.panel-h { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 13px 16px; border-block-end: 1px solid var(--line); }
.panel-h h2, .panel-h h3 { font-size: 14px; margin: 0; font-weight: 700; }
.panel-h .meta { font-family: var(--mono); font-size: 11px; color: var(--dim); }
.panel-b { padding: 16px; }

.zone-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-block-end: 22px; }
.zone-head h2 { font-size: clamp(19px, 2.6vw, 27px); letter-spacing: -.02em; margin: 0; }
.zone-head p { margin: 7px 0 0; color: var(--ink-2); font-size: 14.5px; max-inline-size: 62ch; }
.zone-head a { flex: 0 0 auto; font-size: 13px; font-weight: 700; color: var(--cyan); }
@media (max-width: 640px) { .zone-head { flex-direction: column; align-items: flex-start; gap: 8px; } }

/* ------------------------------------------------------------ KPI */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 900px) { .kpis { grid-template-columns: repeat(2, 1fr); } }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; }
.kpi dt { font-size: 11.5px; color: var(--dim); margin-block-end: 6px; }
.kpi dd { margin: 0; font-size: clamp(22px, 2.8vw, 30px); font-weight: 800; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.kpi .sub { display: block; margin-block-start: 4px; font-family: var(--mono); font-size: 11px; color: var(--dim); font-weight: 400; letter-spacing: 0; }
.kpi.up dd { color: var(--cyan); }
.kpi.warn dd { color: var(--amber); }

/* ----------------------------------------------------------- نمودار */
.chart { inline-size: 100%; display: block; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .axis-t { fill: var(--dim); font-size: 11px; }
.chart .bar { fill: var(--cyan); }
.chart .bar-2 { fill: var(--violet); }
.chart .bar-dim { fill: var(--line-hi); }
.chart .lbl { fill: var(--ink-2); font-size: 11.5px; }
.chart .val { fill: var(--ink); font-size: 11.5px; font-weight: 700; }
.chart .ln { fill: none; stroke: var(--cyan); stroke-width: 2; stroke-linejoin: round; }
.chart .ln-2 { fill: none; stroke: var(--amber); stroke-width: 2; stroke-dasharray: 4 3; }
.chart .pt { fill: var(--cyan); }
.chart .pt-2 { fill: var(--amber); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 16px; margin-block-start: 12px; font-size: 12px; color: var(--ink-2); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { inline-size: 12px; block-size: 3px; border-radius: 2px; display: inline-block; }
.chart-note { font-family: var(--mono); font-size: 11px; color: var(--dim); margin: 10px 0 0; }

/* --------------------------------------------------------------- جدول */
.tw { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.dt { font-size: 13.5px; min-inline-size: 760px; }
.dt thead th {
  position: sticky; inset-block-start: 0; background: var(--panel-2); text-align: start;
  font-size: 11.5px; font-weight: 700; color: var(--dim); padding: 10px 12px; white-space: nowrap;
  border-block-end: 1px solid var(--line);
}
.dt td, .dt tbody th { padding: 11px 12px; border-block-end: 1px solid var(--line); text-align: start; vertical-align: middle; }
.dt tbody th { font-weight: 700; }
.dt tbody tr:hover { background: var(--panel-2); }
.dt tbody tr[hidden] { display: none; }
.dt .n { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.dt .pos { color: var(--cyan); }
.dt .neg { color: var(--rose); }
.dt .na { color: var(--dim); }
.dt .top { background: var(--cyan-dim); }

@media (max-width: 900px) {
  .dt { min-inline-size: 0; }
  .dt, .dt tbody { display: block; inline-size: 100%; min-inline-size: 0; }
  .dt thead { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .dt tbody tr { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; border: 1px solid var(--line); border-radius: var(--r); padding: 13px; margin-block-end: 10px; background: var(--panel); }
  .dt tbody tr:hover { background: var(--panel); }
  .dt tbody th, .dt td { border: 0; padding: 5px 0; display: flex; flex-direction: column; gap: 2px; }
  .dt tbody th::before, .dt td::before { content: attr(data-l); font-size: 10.5px; color: var(--dim); font-weight: 600; }
  .dt tbody th { grid-column: 1 / -1; font-size: 15px; border-block-end: 1px solid var(--line); padding-block-end: 9px; margin-block-end: 3px; }
  .dt tbody th::before { display: none; }
  .dt td[data-l=''] { grid-column: 1 / -1; padding-block-start: 10px; border-block-start: 1px solid var(--line); margin-block-start: 5px; }
  .dt td[data-l='']::before { display: none; }
  .dt td[data-l=''] .btn { inline-size: 100%; }
}

/* ------------------------------------------------------------- نشان */
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: var(--r-sm); font-size: 11.5px; font-weight: 700; font-family: var(--mono); }
.pill-c { background: var(--cyan-dim); color: var(--cyan); }
.pill-a { background: var(--amber-dim); color: var(--amber); }
.pill-r { background: var(--rose-dim); color: var(--rose); }
.pill-n { background: var(--panel-2); color: var(--ink-2); }
a.pill:hover { background: var(--cyan-dim); color: var(--cyan); }

.bvs { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 4px; font-family: var(--mono); font-weight: 800; }
.bvs b { font-size: 19px; }
.bvs span { font-size: 10px; color: var(--dim); }
.bvs.hi b { color: var(--cyan); }
.bvs.mid b { color: var(--lime); }
.bvs.lo b { color: var(--amber); }
.bvs-big b { font-size: 38px; letter-spacing: -.03em; }

.meter { block-size: 5px; background: var(--panel-2); border-radius: 3px; overflow: hidden; margin-block-start: 6px; }
.meter span { display: block; block-size: 100%; background: var(--cyan); }

.breakdown { display: grid; gap: 8px; }
.breakdown li { display: grid; grid-template-columns: 92px 1fr 56px; gap: 10px; align-items: center; font-size: 12.5px; }
.breakdown .bar { block-size: 6px; background: var(--panel-2); border-radius: 3px; overflow: hidden; }
.breakdown .bar span { display: block; block-size: 100%; background: var(--violet); }
.breakdown .num { font-family: var(--mono); text-align: end; font-weight: 700; }

/* -------------------------------------------------------------- ماژول */
.mod { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 860px) { .mod { grid-template-columns: 1fr; } }
.mod-in { display: grid; gap: 14px; }
.f { display: block; }
.f label { display: block; font-size: 12px; color: var(--ink-2); margin-block-end: 5px; font-weight: 600; }
.f input[type='number'] {
  inline-size: 100%; padding: 10px 12px; border-radius: var(--r-sm); border: 1px solid var(--line-hi);
  background: var(--bg); color: var(--ink); font-family: var(--mono); font-size: 16px; font-weight: 700;
}
.f input:focus { outline: 0; border-color: var(--cyan); }
.f .hint { margin: 5px 0 0; font-size: 11px; color: var(--dim); }
.f input[type='range'] { inline-size: 100%; -webkit-appearance: none; appearance: none; background: transparent; block-size: 20px; cursor: pointer; margin-block-start: 8px; }
.f input[type='range']::-webkit-slider-runnable-track { block-size: 4px; border-radius: 2px; background: var(--panel-2); }
.f input[type='range']::-webkit-slider-thumb { -webkit-appearance: none; inline-size: 16px; block-size: 16px; border-radius: 50%; background: var(--cyan); margin-block-start: -6px; }
.f input[type='range']::-moz-range-track { block-size: 4px; border-radius: 2px; background: var(--panel-2); }
.f input[type='range']::-moz-range-thumb { inline-size: 14px; block-size: 14px; border: 0; border-radius: 50%; background: var(--cyan); }
.seg { display: inline-flex; border: 1px solid var(--line-hi); border-radius: var(--r-sm); overflow: hidden; }
.seg label { position: relative; }
.seg input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.seg span { display: inline-block; padding: 8px 14px; font-size: 12.5px; font-weight: 600; cursor: pointer; border-inline-end: 1px solid var(--line-hi); }
.seg label:last-child span { border-inline-end: 0; }
.seg input:checked + span { background: var(--cyan-dim); color: var(--cyan); }
.seg input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: -2px; }

.mod-out { display: grid; gap: 10px; align-content: start; }
.o { background: var(--panel-2); border-radius: var(--r-sm); padding: 12px 14px; }
.o dt { font-size: 11.5px; color: var(--dim); margin-block-end: 3px; }
.o dd { margin: 0; font-family: var(--mono); font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.o.hero { background: var(--cyan-dim); }
.o.hero dd { color: var(--cyan); font-size: clamp(24px, 3.5vw, 32px); }
.mod-msg { font-size: 12.5px; color: var(--amber); background: var(--amber-dim); border-radius: var(--r-sm); padding: 10px 13px; line-height: 1.7; }
.mod-msg:empty { display: none; }
.formula { font-family: var(--mono); font-size: 12px; color: var(--ink-2); background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 10px 13px; }

.assumptions { display: flex; flex-direction: column; gap: 8px; }
.assumptions li { position: relative; padding-inline-start: 20px; font-size: 13.5px; color: var(--ink-2); line-height: 1.7; }
.assumptions li::before { content: '›'; position: absolute; inset-inline-start: 4px; color: var(--cyan); font-weight: 800; }

/* ------------------------------------------------------------- گرید */
.g { display: grid; gap: 12px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: flex; flex-direction: column; gap: 7px; }
.tile h3 { font-size: 15.5px; margin: 0; }
.tile p { margin: 0; font-size: 13.5px; color: var(--ink-2); line-height: 1.7; }
a.tile:hover { border-color: var(--cyan); }
a.tile:hover h3 { color: var(--cyan); }
.tile-f { margin-block-start: auto; padding-block-start: 10px; font-family: var(--mono); font-size: 11.5px; color: var(--cyan); }

/* -------------------------------------------------------------- برند */
.plate { display: inline-grid; place-items: center; padding: 7px 10px; border-radius: var(--r-sm); border: 1px solid var(--line); flex: 0 0 auto; }
.plate.tile-dark { background: #05070b; }
.plate.tile-light { background: #e9edf3; }
.plate { max-inline-size: 100%; }
.plate img { display: block; max-block-size: 26px; inline-size: auto; max-inline-size: 136px; object-fit: contain; }

.stars { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 5px; font-size: 12.5px; }
.stars .g { display: inline-flex; gap: 1px; color: var(--line-hi); }
.stars .g .on { color: var(--amber); }
.stars b { font-family: var(--mono); font-weight: 700; }
.stars small { color: var(--dim); font-size: 11px; }

.bcard { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: flex; flex-direction: column; gap: 13px; }
.bcard-h { display: flex; flex-wrap: wrap; align-items: center; gap: 11px; }
.bcard h3 { font-size: 16px; margin: 0 0 2px; }
.bcard .score { margin-inline-start: auto; text-align: center; }
.bcard-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.bcard-a { display: flex; gap: 8px; margin-block-start: auto; }
.bcard-a .btn { flex: 1 1 auto; }

.brandhead { background: var(--bg-2); border-block-end: 1px solid var(--line); padding-block: 26px; }
.brandhead-in { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.brandhead .plate { padding: 12px 15px; }
.brandhead .plate img { max-block-size: 40px; max-inline-size: 196px; }
.brandhead h1 { font-size: clamp(24px, 3.6vw, 38px); letter-spacing: -.03em; margin-block-end: 6px; }
.brandhead .thesis { color: var(--cyan); font-size: 15px; margin: 0; font-weight: 600; }
.brandhead-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-block-start: 11px; }

.offer { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; scroll-margin-block-start: 70px; }
.offer + .offer { margin-block-start: 10px; }
.offer.dead { opacity: .55; }
.offer-h { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-block-end: 14px; }
.offer-h h3 { font-size: 16px; margin: 0; }
.offer-h .bvs { margin-inline-start: auto; }
.offer-g { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 780px) { .offer-g { grid-template-columns: repeat(2, 1fr); } }
.offer-g dt { font-size: 11px; color: var(--dim); }
.offer-g dd { margin: 2px 0 0; font-family: var(--mono); font-size: 14.5px; font-weight: 700; }
.offer-f { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-block-start: 14px; padding-block-start: 13px; border-block-start: 1px solid var(--line); }

.split { display: grid; grid-template-columns: 1fr 290px; gap: 26px; align-items: start; }
@media (max-width: 980px) { .split { grid-template-columns: 1fr; } }
.rail { position: sticky; inset-block-start: 68px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }
@media (max-width: 980px) { .rail { position: static; } }
.rail h2 { font-size: 13px; margin-block-end: 9px; color: var(--dim); }
.rail nav { display: flex; flex-direction: column; }
.rail nav a { padding: 7px 0; font-size: 13.5px; border-block-end: 1px solid var(--line); color: var(--ink-2); }
.rail nav a:last-child { border-block-end: 0; }
.rail nav a:hover { color: var(--cyan); }

/* -------------------------------------------------------------- متن */
.copy { max-inline-size: 70ch; }
.copy p { font-size: 16px; line-height: 1.9; color: var(--ink-2); }
.copy strong { color: var(--ink); }
.copy a { color: var(--cyan); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

.finding { background: var(--panel); border-inline-start: 3px solid var(--cyan); border-radius: var(--r-sm); padding: 15px 18px; max-inline-size: 72ch; }
.finding b { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--cyan); margin-block-end: 6px; }
.finding p { margin: 0; font-size: 15px; line-height: 1.85; color: var(--ink-2); }

.pm { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .pm { grid-template-columns: 1fr; } }
.pm > div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; }
.pm h3 { font-size: 13px; color: var(--dim); margin-block-end: 11px; }
.pm ul { display: flex; flex-direction: column; gap: 8px; }
.pm li { position: relative; padding-inline-start: 20px; font-size: 13.5px; color: var(--ink-2); line-height: 1.7; }
.pm li::before { position: absolute; inset-inline-start: 0; font-weight: 800; font-family: var(--mono); }
.pm .up li::before { content: '+'; color: var(--cyan); }
.pm .dn li::before { content: '−'; color: var(--rose); }

/* --------------------------------------------------------------- FAQ */
.qa { display: flex; flex-direction: column; gap: 8px; }
.qa details { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); }
.qa summary { padding: 14px 17px; cursor: pointer; font-weight: 700; font-size: 15px; list-style: none; display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: '+'; color: var(--cyan); font-family: var(--mono); font-size: 17px; }
.qa details[open] summary::after { content: '−'; }
.qa .a { padding: 0 17px 16px; }
.qa .a p { margin: 0; font-size: 14.5px; color: var(--ink-2); line-height: 1.85; }

/* ------------------------------------------------------------- نظرها */
.revs { display: grid; gap: 10px; }
.rev { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; }
.rev header { display: flex; align-items: center; gap: 10px; margin-block-end: 8px; }
.rev .av { inline-size: 30px; block-size: 30px; border-radius: var(--r-sm); display: grid; place-items: center; background: var(--panel-2); color: var(--cyan); font-weight: 800; font-size: 13px; flex: 0 0 auto; }
.rev .nm { font-weight: 700; font-size: 13.5px; }
.rev time, .rev .src { display: block; font-family: var(--mono); font-size: 11px; color: var(--dim); }
.rev .stars { margin-inline-start: auto; }
.rev p { margin: 0 0 9px; font-size: 14px; color: var(--ink-2); line-height: 1.8; }
.helpful { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: var(--r-sm); border: 1px solid var(--line); background: transparent; font-size: 12px; cursor: pointer; color: var(--dim); }
.helpful:hover { border-color: var(--cyan); color: var(--cyan); }
.helpful.done { background: var(--cyan-dim); border-color: transparent; color: var(--cyan); pointer-events: none; }
.seed { font-family: var(--mono); font-size: 11.5px; color: var(--dim); border: 1px dashed var(--line); border-radius: var(--r-sm); padding: 11px 14px; margin-block-start: 14px; }

.rsum { display: grid; grid-template-columns: 160px 1fr; gap: 22px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
@media (max-width: 620px) { .rsum { grid-template-columns: 1fr; gap: 16px; } }
.rsum .avg { text-align: center; }
.rsum .avg b { display: block; font-family: var(--mono); font-size: 40px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.rsum .avg small { font-size: 12px; color: var(--dim); }
.rdist { display: flex; flex-direction: column; gap: 6px; }
.rdist li { display: grid; grid-template-columns: 14px 1fr 38px; gap: 9px; align-items: center; font-size: 12px; font-family: var(--mono); }
.rdist .bar { block-size: 5px; background: var(--panel-2); border-radius: 3px; }
.rdist .bar span { display: block; block-size: 100%; background: var(--amber); border-radius: 3px; }
.rdist .pc { text-align: end; color: var(--dim); }

/* --------------------------------------------------------- انتخابگر */
.pick { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: end; }
@media (max-width: 700px) { .pick { grid-template-columns: 1fr; } .pick .vs { justify-self: center; } }
.pick label { display: block; font-size: 12px; color: var(--ink-2); margin-block-end: 5px; font-weight: 600; }
.pick select { inline-size: 100%; padding: 11px 13px; border-radius: var(--r-sm); border: 1px solid var(--line-hi); background: var(--bg); color: var(--ink); font-size: 14.5px; cursor: pointer; }
.pick select:focus { outline: 0; border-color: var(--cyan); }
.pick .vs { font-family: var(--mono); color: var(--dim); padding-block-end: 11px; }
.pairs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (max-width: 860px) { .pairs { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .pairs { grid-template-columns: 1fr; } }
.pairs a { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 11px 14px; font-size: 13.5px; display: flex; justify-content: space-between; gap: 10px; }
.pairs a:hover { border-color: var(--cyan); color: var(--cyan); }

/* ------------------------------------------------------------ جستجو */
.search { position: relative; display: flex; align-items: center; }
.search svg { position: absolute; inset-inline-start: 13px; color: var(--dim); pointer-events: none; }
.search input { inline-size: 100%; padding: 11px 40px; border-radius: var(--r-sm); border: 1px solid var(--line-hi); background: var(--bg); color: var(--ink); font-size: 14.5px; }
.search input:focus { outline: 0; border-color: var(--cyan); }
.search input::-webkit-search-cancel-button { display: none; }
.search button { position: absolute; inset-inline-end: 10px; inline-size: 22px; block-size: 22px; border: 0; background: var(--panel-2); color: var(--ink-2); border-radius: 50%; cursor: pointer; font-size: 14px; line-height: 1; }
.res-list { display: grid; gap: 8px; margin-block-start: 18px; }
.res-i { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 14px 16px; }
.res-i h2 { font-size: 14.5px; margin: 0 0 3px; }
.res-i h2 a:hover { color: var(--cyan); }
.res-i p { margin: 0; font-size: 12.5px; color: var(--dim); }
.no-res { padding: 30px 18px; text-align: center; color: var(--dim); }

/* -------------------------------------------------------------- فرم */
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .fgrid { grid-template-columns: 1fr; } }
.fspan { grid-column: 1 / -1; }
.fld label { display: block; font-size: 12.5px; font-weight: 600; margin-block-end: 5px; color: var(--ink-2); }
.fld input, .fld textarea, .fld select { inline-size: 100%; padding: 11px 13px; border-radius: var(--r-sm); border: 1px solid var(--line-hi); background: var(--bg); color: var(--ink); font-size: 14.5px; }
.fld textarea { min-block-size: 140px; resize: vertical; line-height: 1.8; }
.fld input:focus, .fld textarea:focus, .fld select:focus { outline: 0; border-color: var(--cyan); }
.fld [aria-invalid='true'] { border-color: var(--rose); }
.ferr { display: none; margin: 5px 0 0; font-size: 12px; color: var(--rose); }
.ferr.on { display: block; }
.fstat { margin-block-start: 12px; padding: 11px 14px; border-radius: var(--r-sm); font-size: 14px; background: var(--cyan-dim); color: var(--cyan); }
.fstat[hidden] { display: none; }

/* -------------------------------------------------------------- مقاله */
.entry { max-inline-size: 700px; margin-inline: auto; }
.entry h1 { font-size: clamp(25px, 4vw, 40px); letter-spacing: -.03em; }
.entry .meta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; font-family: var(--mono); font-size: 11.5px; color: var(--dim); margin-block: 12px 26px; padding-block-end: 14px; border-block-end: 1px solid var(--line); }
.entry h2 { font-size: clamp(18px, 2.4vw, 24px); margin-block: 34px 12px; letter-spacing: -.02em; }
.entry p { font-size: 16px; line-height: 1.9; color: var(--ink-2); }
.entry ul, .entry ol { display: flex; flex-direction: column; gap: 9px; margin-block: 14px 20px; }
.entry ul li { position: relative; padding-inline-start: 20px; font-size: 15.5px; line-height: 1.8; color: var(--ink-2); }
.entry ul li::before { content: ''; position: absolute; inset-inline-start: 3px; inset-block-start: 12px; inline-size: 6px; block-size: 6px; border-radius: 50%; background: var(--cyan); }
.entry ol { counter-reset: n; }
.entry ol li { counter-increment: n; position: relative; padding-inline-start: 30px; font-size: 15.5px; line-height: 1.8; color: var(--ink-2); }
.entry ol li::before { content: counter(n); position: absolute; inset-inline-start: 0; inset-block-start: 3px; inline-size: 21px; block-size: 21px; display: grid; place-items: center; border-radius: var(--r-sm); background: var(--panel-2); color: var(--cyan); font-family: var(--mono); font-size: 11px; font-weight: 800; }
.entry a { color: var(--cyan); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.callout { background: var(--panel); border: 1px solid var(--line); border-inline-start: 3px solid var(--amber); border-radius: var(--r-sm); padding: 14px 17px; margin-block: 18px; font-family: var(--mono); font-size: 13.5px; color: var(--ink); }
.golink { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--cyan); margin-block: 4px 16px; }

.post { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 17px; display: flex; flex-direction: column; gap: 6px; }
.post .tg { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--cyan); margin: 0; }
.post h3 { font-size: 15.5px; margin: 0; line-height: 1.4; }
.post h3 a:hover { color: var(--cyan); }
.post p { margin: 0; font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.post .when { margin-block-start: auto; padding-block-start: 9px; font-family: var(--mono); font-size: 11px; color: var(--dim); }

/* -------------------------------------------------------------- مسیر */
.crumbs { padding-block: 12px 0; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; font-family: var(--mono); font-size: 11.5px; color: var(--dim); }
.crumbs li + li::before { content: '/'; margin-inline-end: 6px; }
.crumbs a:hover { color: var(--cyan); }

/* -------------------------------------------------------------- فوتر */
.foot { margin-block-start: var(--gap); background: var(--bg-2); border-block-start: 1px solid var(--line); padding-block: 36px 18px; }
.foot-top { display: grid; grid-template-columns: 290px 1fr; gap: 36px; padding-block-end: 26px; border-block-end: 1px solid var(--line); }
@media (max-width: 900px) { .foot-top { grid-template-columns: 1fr; gap: 24px; } }
.foot-note { font-size: 13px; color: var(--ink-2); line-height: 1.8; margin-block: 11px 9px; }
.foot-disc { font-size: 11.5px; color: var(--dim); line-height: 1.7; }
.foot-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 760px) { .foot-cols { grid-template-columns: repeat(2, 1fr); } }
.foot-cols h2 { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--dim); margin-block-end: 10px; }
.foot-cols ul { display: flex; flex-direction: column; gap: 6px; }
.foot-cols a { font-size: 13px; color: var(--ink-2); }
.foot-cols a:hover { color: var(--cyan); }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block-start: 16px; font-family: var(--mono); font-size: 11px; color: var(--dim); }
.foot-bottom p { margin: 0; }
.age { display: inline-flex; align-items: center; gap: 7px; }
.age b { border: 1px solid var(--line-hi); border-radius: var(--r-sm); padding: 2px 7px; color: var(--ink-2); }

/* --------------------------------------------------------------- ۴۰۴ */
.nf { text-align: center; padding-block: clamp(46px, 8vw, 100px); }
.nf .big { font-family: var(--mono); font-size: clamp(52px, 11vw, 112px); font-weight: 800; color: var(--panel-2); line-height: 1; }
.nf .search { max-inline-size: 420px; margin: 20px auto 24px; }
.nf-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

@media print { .bar, .foot, .btn, .crumbs { display: none !important; } body { background: #fff; color: #000; } }


/* ------------------------------------------------------ نظرهای کاربران */
.cmt {
  --cmt-line: #e3e6ea; --cmt-line-2: #eef1f4; --cmt-bg: #fff; --cmt-bg-2: #f7f8fa;
  --cmt-ink: inherit; --cmt-dim: #6b7684; --cmt-accent: #111; --cmt-on-accent: #fff;
  --cmt-r: 14px; --cmt-r-sm: 9px; --cmt-star: #e0a92a;
  display: block; margin-block-start: 8px;
}
.cmt-top h2, .cmt-top h3 { margin: 0 0 4px; }
.cmt-lead { margin: 0; color: var(--cmt-dim); font-size: 14.5px; }
.cmt-count { margin: 6px 0 0; color: var(--cmt-dim); font-size: 12.5px; }
.cmt-list { display: grid; gap: 12px; margin-block: 18px; }
.cmt-empty { margin: 0; padding: 18px; border: 1px dashed var(--cmt-line); border-radius: var(--cmt-r); color: var(--cmt-dim); font-size: 14px; }
.cmt-item { background: var(--cmt-bg); border: 1px solid var(--cmt-line); border-radius: var(--cmt-r); padding: 15px 17px; }
.cmt-item > p { margin: 9px 0 0; font-size: 14.5px; line-height: 1.85; }
.cmt-head { display: flex; align-items: center; gap: 10px; }
.cmt-av { inline-size: 34px; block-size: 34px; border-radius: 50%; background: var(--cmt-bg-2); display: grid; place-items: center; font-weight: 700; font-size: 14px; flex: none; }
.cmt-meta { display: flex; flex-direction: column; line-height: 1.4; }
.cmt-meta b { font-size: 14px; }
.cmt-meta time { font-size: 11.5px; color: var(--cmt-dim); }
.cmt-stars { margin-inline-start: auto; display: inline-flex; gap: 2px; }
.cmt-stars i { inline-size: 11px; block-size: 11px; background: var(--cmt-line); border-radius: 2px; }
.cmt-stars i.on { background: var(--cmt-star); }
.cmt-reply { margin-block-start: 11px; padding: 10px 13px; background: var(--cmt-bg-2); border-radius: var(--cmt-r-sm); }
.cmt-reply b { font-size: 12px; color: var(--cmt-dim); display: block; }
.cmt-reply p { margin: 4px 0 0; font-size: 13.5px; line-height: 1.8; }

.cmt-form { background: var(--cmt-bg); border: 1px solid var(--cmt-line); border-radius: var(--cmt-r); padding: 17px 18px; }
.cmt-form-t { margin: 0 0 4px; font-size: 16px; }
.cmt-note { margin: 0 0 14px; font-size: 13px; color: var(--cmt-dim); line-height: 1.8; }
.cmt-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cmt-fld { display: flex; flex-direction: column; gap: 5px; min-inline-size: 0; }
.cmt-fld > span { font-size: 12.5px; color: var(--cmt-dim); font-weight: 600; }
.cmt-fld-full { margin-block-start: 12px; }
.cmt input[type="text"], .cmt select, .cmt textarea {
  font: inherit; font-size: 14.5px; color: var(--cmt-ink); background: var(--cmt-bg);
  border: 1px solid var(--cmt-line); border-radius: var(--cmt-r-sm); padding: 10px 12px;
  inline-size: 100%; max-inline-size: 100%;
}
.cmt textarea { resize: vertical; min-block-size: 96px; line-height: 1.8; }
.cmt input[type="text"]:focus-visible, .cmt select:focus-visible, .cmt textarea:focus-visible {
  outline: 2px solid var(--cmt-accent); outline-offset: 1px;
}
.cmt-hp { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.cmt-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-block-start: 14px; }
.cmt-btn {
  font: inherit; font-weight: 700; font-size: 14.5px; cursor: pointer;
  background: var(--cmt-accent); color: var(--cmt-on-accent); border: 0;
  border-radius: var(--cmt-r-sm); padding: 11px 22px;
}
.cmt-btn[disabled] { opacity: .6; cursor: progress; }
.cmt-hint { font-size: 12.5px; color: var(--cmt-dim); }
.cmt-status { margin: 12px 0 0; font-size: 13.5px; padding: 10px 13px; border-radius: var(--cmt-r-sm); background: var(--cmt-bg-2); }
.cmt-status.is-ok { background: #e7f6ee; color: #14663f; }
.cmt-status.is-err { background: #fdecec; color: #9b2323; }
@media (max-width: 560px) { .cmt-row { grid-template-columns: 1fr; } .cmt-btn { inline-size: 100%; } }


/* =========================================================================
 *  پیش‌گیری از سرریز افقی
 *  آیتم‌های فلکس/گرید به‌طور پیش‌فرض کوچک‌تر از محتوایشان نمی‌شوند و همین
 *  باعث می‌شد جدول‌های اسکرول‌دار کل صفحه را پهن کنند.
 * ========================================================================= */
* { min-inline-size: 0; }
img, svg, video, canvas { max-inline-size: 100%; }