@font-face{font-family:"Vazirmatn FD";src:url("/fonts/Vazirmatn-FD-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Vazirmatn FD";src:url("/fonts/Vazirmatn-FD-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Vazirmatn FD";src:url("/fonts/Vazirmatn-FD-ExtraBold.woff2") format("woff2");font-weight:800;font-display:swap}

:root{
  color-scheme:dark;
  --bg:#081624;--surface:#0d1f33;--surface-2:#132a42;--rule:#1f3650;--rule-soft:#172d45;
  --text:#edf1f5;--muted:#8fa3b8;--gold:#f0b85e;--gold-ink:#081624;
  --up:#5fcb94;--down:#f08a8f;--warn:#e9b35a;--bad:#f08a8f;
  --font:"Vazirmatn FD",Vazirmatn,Tahoma,"Noto Sans Arabic",system-ui,sans-serif;
  --wrap:1200px;
}
@media (prefers-color-scheme:light){
  :root{color-scheme:light;
    --bg:#f3f5f7;--surface:#ffffff;--surface-2:#eef2f6;--rule:#d7dee6;--rule-soft:#e6ebf0;
    --text:#0b1b2b;--muted:#566a7e;--gold:#a8660f;--gold-ink:#ffffff;
    --up:#1b8653;--down:#c2434b;--warn:#9a5c00;--bad:#c2434b}
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.75;-webkit-text-size-adjust:100%}
a{color:inherit}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3{margin:0;line-height:1.35}
bdi,.num{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;top:-100px;right:1rem;z-index:30;background:var(--gold);color:var(--gold-ink);padding:.5rem 1rem;border-radius:6px}
.skip:focus{top:1rem}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}

/* Header */
.site-header{border-bottom:1px solid var(--rule)}
.header-inner{height:60px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{width:30px;height:30px}
.brand-mark rect{fill:var(--gold)}.brand-mark path{fill:var(--bg)}
.brand-name{font-weight:800;font-size:16px;letter-spacing:.01em}
nav{display:flex;align-items:center;gap:clamp(14px,2.5vw,28px);font-size:14px}
nav a{text-decoration:none;color:var(--muted)}
nav a:hover{color:var(--text)}
nav .nav-channel{color:var(--text);border:1px solid var(--rule);padding:4px 12px;border-radius:8px}
nav .nav-channel:hover{border-color:var(--gold)}

/* Intro: the question, answered by the board below it */
.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding-top:clamp(28px,5vw,52px);padding-bottom:18px}
.intro h1{font-size:clamp(44px,7vw,80px);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.intro p{margin:10px 0 0;max-width:60ch;color:var(--muted);font-size:15px}
.status{flex:none;margin:0;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);white-space:nowrap}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.status[data-state=ok] .status-dot{background:var(--up)}
.status[data-state=warn] .status-dot{background:var(--warn)}
.status[data-state=error]{color:var(--bad);white-space:normal}
.status[data-state=error] .status-dot{background:var(--bad)}

/* Board: the one loud element on the page */
.board{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));background:var(--surface);border:1px solid var(--rule);border-top:3px solid var(--gold);border-radius:4px 4px 16px 16px}
.board-cell{position:relative;padding:18px 20px 16px;display:flex;flex-direction:column;min-width:0;border-inline-start:1px solid var(--rule-soft);text-align:start;background:none;border-top:0;border-bottom:0;border-inline-end:0;color:inherit;font:inherit;cursor:pointer}
.board-cell:first-child{border-inline-start:0}
.board-cell:hover{background:var(--surface-2)}
.board-cell.is-empty{cursor:default}
.board-cell.is-empty:hover{background:none}
.board-name{font-size:14px;font-weight:600}
.board-value{display:block;margin-top:6px;font-size:clamp(24px,2.5vw,34px);font-weight:800;line-height:1.15;letter-spacing:-.01em;white-space:nowrap;direction:ltr;text-align:right;unicode-bidi:isolate}
.board-pair{display:grid;grid-template-columns:auto auto;justify-content:start;column-gap:12px;align-items:baseline;margin-top:6px}
.board-pair span{font-size:12px;color:var(--muted)}
.board-pair bdi{font-size:clamp(19px,1.9vw,24px);font-weight:800;line-height:1.3;text-align:left}
.board-meta{font-size:12px;color:var(--muted);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board-change{font-size:12px;margin-top:8px;min-height:1.75em;color:var(--muted)}
.board-spark{display:block;width:100%;height:30px;margin-top:4px}
.board-spark path{fill:none;stroke:var(--muted);stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round;opacity:.8}
.board-spark circle{fill:var(--text)}
.board-foot{display:flex;align-items:center;gap:8px;margin-top:6px;font-size:12px;color:var(--muted)}
.up{color:var(--up)}.down{color:var(--down)}.flat{color:var(--muted)}

/* Tags */
.kind-tag,.age-tag{display:inline-block;font-size:11.5px;font-weight:600;line-height:1.5;padding:1px 8px;border-radius:6px;border:1px solid var(--rule);color:var(--muted);white-space:nowrap}
.kind-tag[data-kind=customer]{border-color:var(--gold);color:var(--gold)}
.age-tag[data-state=stale]{color:var(--warn);border-color:currentColor}
.age-tag[data-state=expired]{color:var(--bad);border-color:currentColor}

/* Toolbar */
.rates{margin-top:44px}
.toolbar{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--rule)}
.toolbar-inner{display:flex;align-items:center;gap:20px;min-height:60px}
.toolbar h2{font-size:18px;font-weight:800;white-space:nowrap}
.count{font-size:13px;font-weight:400;color:var(--muted);margin-inline-start:4px}
.tabs{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:16px 10px 14px;font-size:14px;color:var(--muted);white-space:nowrap}
.tabs button:hover{color:var(--text)}
.tabs button[aria-pressed=true]{color:var(--text);font-weight:600;border-bottom-color:var(--gold)}
.search{margin-inline-start:auto}
.search input{width:260px;padding:7px 12px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);font-size:14px}
.search input::placeholder{color:var(--muted);opacity:.8}

/* Market groups */
.market-content{columns:2 520px;column-gap:32px;padding-top:28px}
.market-group{break-inside:avoid;margin-bottom:34px}
.market-content>.empty-state{column-span:all}
.group-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 12px;margin-bottom:10px}
.group-head h3{font-size:18px;font-weight:800}
.group-head p{margin:0;font-size:13px;color:var(--muted)}
.head-side{margin-inline-start:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.group-time .age-tag{margin-inline-start:6px}
.table-box{background:var(--surface);border:1px solid var(--rule);border-radius:12px;overflow:hidden}
.rate-table{width:100%;border-collapse:collapse;font-size:14px}
.rate-table th{font-size:12px;font-weight:600;color:var(--muted);text-align:start;padding:10px 18px;border-bottom:1px solid var(--rule)}
.rate-table th.col-price{text-align:left}
.rate-table td{padding:11px 18px;border-bottom:1px solid var(--rule-soft);vertical-align:middle}
.rate-table tbody tr:last-child td{border-bottom:0}
.rate-table tbody tr{cursor:pointer}
.rate-table tbody tr:hover td{background:var(--surface-2)}
.rate-table tbody tr[aria-current=true] td:first-child{box-shadow:inset -3px 0 0 var(--gold)}
.row-name{background:none;border:0;padding:0;font-weight:600;text-align:start}
.row-name:hover{text-decoration:underline;text-underline-offset:4px}
.row-code{display:inline-block;margin-inline-start:8px;font-size:12px;color:var(--muted)}
.col-price{text-align:left;white-space:nowrap}
.price{font-weight:800;font-size:15px}
.col-age{white-space:nowrap;color:var(--muted);font-size:13px;width:1%}
.col-age .age-tag{margin-inline-start:6px}
.best-tag{font-size:11.5px;color:var(--up);margin-inline-end:8px;font-weight:600}
.rate-table tr[data-state=expired] .price{color:var(--muted);font-weight:600;text-decoration:line-through;text-decoration-thickness:1px}
.unit-note{font-size:12px;color:var(--muted);font-weight:400;margin-inline-start:4px}
.empty-state{padding:36px 20px;border:1px dashed var(--rule);border-radius:12px;color:var(--muted);text-align:center}
.empty-state button{margin-top:10px;background:none;border:1px solid var(--rule);border-radius:8px;padding:5px 14px}

/* Chart */
.history{margin-top:64px}
.history-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.history-head h2{font-size:22px;font-weight:800}
.chart-subtitle{margin:2px 0 0;color:var(--muted);font-size:14px}
.chart-summary{text-align:left}
.chart-summary .summary-value{display:block;font-size:30px;font-weight:800;line-height:1.2}
.chart-summary .summary-change{font-size:13px}
.chart-controls{display:flex;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}
.series-picker select{min-width:260px;max-width:100%;padding:7px 10px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);font-size:14px}
.segmented{display:inline-flex;border:1px solid var(--rule);border-radius:8px;overflow:hidden;margin-inline-start:auto}
.segmented button{background:var(--surface);border:0;border-inline-start:1px solid var(--rule);padding:7px 14px;font-size:13px;color:var(--muted)}
.segmented button:first-child{border-inline-start:0}
.segmented button[aria-pressed=true]{background:var(--gold);color:var(--gold-ink);font-weight:600}
.chart-frame{position:relative;margin-top:14px;height:300px;background:var(--surface);border:1px solid var(--rule);border-radius:12px;direction:ltr;touch-action:pan-y}
.chart-frame svg{display:block;width:100%;height:100%;outline-offset:-2px}
.chart-frame .grid{stroke:var(--rule-soft);stroke-width:1}
.chart-frame .line{fill:none;stroke:var(--gold);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.chart-frame .dot{fill:var(--gold)}
.chart-frame .cursor{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 3}
.chart-frame .cursor-dot{fill:var(--bg);stroke:var(--gold);stroke-width:2}
.chart-axis{position:absolute;inset:0;pointer-events:none;font-size:11.5px;color:var(--muted)}
.chart-axis span{position:absolute;white-space:nowrap;direction:rtl}
.chart-tip{position:absolute;top:10px;pointer-events:none;background:var(--bg);border:1px solid var(--rule);border-radius:8px;padding:6px 10px;font-size:12.5px;direction:rtl;white-space:nowrap;box-shadow:0 4px 14px rgba(0,0,0,.18)}
.chart-tip strong{display:block;font-size:14px}
.chart-status{position:absolute;inset:0;display:grid;place-items:center;margin:0;padding:20px;text-align:center;color:var(--muted);font-size:14px;direction:rtl;pointer-events:none}
.chart-status:empty{display:none}
.chart-note{font-size:13px;color:var(--muted);margin:10px 0 0}

/* Guide */
.guide{margin-top:64px}
.guide h2{font-size:22px;font-weight:800;margin-bottom:14px}
.guide dl{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px 36px}
.guide dt{margin-bottom:4px}
.guide dd{margin:0;color:var(--muted);font-size:14px;max-width:48ch}

.site-footer{margin-top:64px;padding-top:20px;padding-bottom:40px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;gap:20px;font-size:13px;color:var(--muted)}
.site-footer p{margin:0}
.noscript{position:fixed;bottom:0;right:0;left:0;background:var(--gold);color:var(--gold-ink);text-align:center;padding:12px;margin:0}

@media (max-width:1060px){
  .board{grid-template-columns:repeat(3,minmax(0,1fr))}
  .board-cell:nth-child(3n+1){border-inline-start:0}
  .board-cell:nth-child(n+4){border-top:1px solid var(--rule-soft)}
  .toolbar-inner{flex-wrap:wrap;gap:0 20px;padding-block:6px}
  .search{margin-inline-start:0;width:100%;padding-bottom:8px}
  .search input{width:100%}
}

@media (max-width:640px){
  body{font-size:14.5px}
  .header-inner{height:54px}
  nav a:not(.nav-channel){display:none}
  .intro{flex-direction:column;align-items:flex-start;gap:10px;padding-top:22px;padding-bottom:14px}
  .intro h1{font-size:44px}
  .intro p{font-size:14px;margin-top:6px}
  /* Board becomes a compact list: every headline rate visible without scrolling. */
  .board{display:block;border-radius:4px 4px 12px 12px}
  .board-cell{display:grid;grid-template-columns:1fr auto;grid-template-areas:"name value" "meta change";align-items:center;column-gap:12px;width:100%;padding:11px 14px;border-inline-start:0 !important;border-top:1px solid var(--rule-soft) !important}
  .board-cell:first-child{border-top:0 !important}
  .board-name{grid-area:name}
  .board-value,.board-pair{grid-area:value;margin:0;font-size:22px}
  .board-pair bdi{font-size:17px}
  .board-meta{grid-area:meta;margin:0}
  .board-change{grid-area:change;margin:0;min-height:0;text-align:left}
  .board-spark,.board-foot{display:none}
  .toolbar h2{font-size:16px;width:100%;padding-top:8px}
  .tabs{margin-inline:-6px}
  .tabs button{padding:10px 8px 9px}
  .market-content{padding-top:22px}
  .market-group{margin-bottom:28px}
  .head-side{margin-inline-start:0;width:100%;justify-content:space-between}
  /* Table rows turn into two-line list items; no sideways scrolling. */
  .rate-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .rate-table tbody tr{display:grid;grid-template-columns:1fr auto;column-gap:12px;padding:10px 14px;border-bottom:1px solid var(--rule-soft)}
  .rate-table tbody tr:last-child{border-bottom:0}
  .rate-table td{padding:0;border:0;background:none !important}
  .rate-table td.col-name{grid-column:1;grid-row:1}
  .rate-table td.col-age{grid-column:1;grid-row:2;width:auto}
  .rate-table td.col-price{grid-column:2;grid-row:1 / span 2;align-self:center}
  .rate-table td.col-price + td.col-price{grid-row:2}
  .rate-table.two-sided td.col-price{grid-row:auto;display:flex;justify-content:flex-end;gap:8px;align-items:baseline}
  .rate-table.two-sided td.col-price::before{content:attr(data-label);font-size:12px;color:var(--muted)}
  .rate-table.two-sided tr{grid-template-rows:auto auto auto}
  .rate-table.two-sided td.col-name{grid-row:1}
  .rate-table.two-sided td.col-age{grid-row:2 / span 2;align-self:start}
  .rate-table.two-sided td.col-price:nth-child(2){grid-column:2;grid-row:1}
  .rate-table.two-sided td.col-price:nth-child(3){grid-column:2;grid-row:2}
  .rate-table tbody tr[aria-current=true]{box-shadow:inset -3px 0 0 var(--gold)}
  .rate-table tbody tr[aria-current=true] td:first-child{box-shadow:none}
  .chart-controls{align-items:stretch}
  .series-picker,.series-picker select{width:100%;min-width:0}
  .segmented{margin-inline-start:0;width:100%}
  .segmented button{flex:1}
  .chart-frame{height:240px}
  .chart-summary{text-align:right}
  .chart-summary .summary-value{font-size:24px}
  .site-footer{flex-direction:column}
}
.chart-frame .line.secondary{stroke:var(--muted);stroke-dasharray:5 4;stroke-width:1.5}
.chart-frame .dot.secondary{fill:var(--muted)}
.chart-axis .chart-legend{top:6px;left:18px;display:flex;gap:16px;direction:rtl;font-size:12px}
.chart-legend i{font-style:normal;display:inline-flex;align-items:center;gap:6px}
.chart-legend i::before{content:"";width:18px;border-top:2px solid var(--gold)}
.chart-legend .legend-secondary::before{border-top:2px dashed var(--muted)}