@font-face{font-family:Vazirmatn;src:url("../fonts/vazirmatn-arabic.woff2") format("woff2");font-style:normal;font-weight:100 900;font-display:swap}
:root{color-scheme:light;--bg:#f5f7fb;--card:#fff;--ink:#17243a;--muted:#748298;--border:#e5eaf2;--accent:#526ffc}
:root[data-theme=dark]{color-scheme:dark;--bg:#0e1625;--card:#192537;--ink:#ecf2fc;--muted:#9aabc0;--border:#304057;--accent:#95a7ff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Vazirmatn,Tahoma,"Segoe UI",sans-serif;transition:background .15s,color .15s}main{max-width:1460px;margin:auto;padding:25px 35px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding:5px 0 25px}small{font-size:12px;color:var(--accent)}h1{font-size:19px;margin:9px 0 0}button{padding:12px 17px;border-radius:12px;background:var(--card);color:var(--ink);border:1px solid var(--border);cursor:pointer;font:inherit}button:hover{border-color:var(--accent)}.intro{padding:38px 0 25px}.intro h2{font-size:30px;margin:10px 0}.intro p{color:var(--muted);font-size:14px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.metrics article,.panel{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:23px;min-width:0}.metrics span{display:block;color:var(--muted);font-size:13px}.metrics strong{display:block;font-size:29px;margin-top:12px}.section-title{font-size:22px;margin:45px 0 20px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.panel h3{font-size:14px;font-weight:600;line-height:2;margin:0}.plot{width:100%;height:360px;display:grid;place-items:center;color:var(--muted);font-size:13px}.panel:first-child{grid-column:span 2}footer{text-align:center;color:var(--muted);font-size:12px;padding:42px 0 20px}@media(max-width:800px){.grid{grid-template-columns:1fr}.panel:first-child{grid-column:auto}main{padding:18px}.intro h2{font-size:23px}}@media(max-width:520px){.metrics{grid-template-columns:1fr}.plot{height:290px}header{gap:12px}button{font-size:12px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.toolbar{justify-content:flex-end;min-height:66px}
.toolbar-actions{display:flex;align-items:center;gap:10px}
.back-link{display:inline-flex;align-items:center;gap:10px;padding:11px 16px;border:1px solid var(--border);border-radius:12px;text-decoration:none;color:#fff;background:var(--accent);font-size:13px;font-weight:600;transition:filter .15s,transform .15s}
.back-link:hover{filter:brightness(.93);transform:translateY(-1px)}
.back-link:focus-visible,#toggle:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.back-icon{font-size:16px}
:root[data-theme=dark] .back-link{color:#0e1625}
.chart-meta{display:inline-block;vertical-align:middle;margin-right:8px;border-radius:8px;color:var(--muted);background:var(--bg);font-size:11px;padding:2px 8px;font-weight:400}
@media(max-width:520px){.toolbar-actions{width:100%;justify-content:space-between}.back-link{padding:11px;font-size:12px}}