:root,:root[data-theme="dark"]{
  color-scheme:dark;
  --head-bg:rgba(10,20,26,.82);
  --foot-bg:rgba(8,16,21,.7);
  --glow1:rgba(224,179,68,.08);
  --glow2:rgba(33,212,174,.05);
  --on-gold:#1a1405;
  --lic-bg:#ffffff;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --gold:#e0b344;
  --gold-soft:#f0cd78;
  --gold-deep:#b98a26;
  --gold-bg:rgba(224,179,68,.12);
  --bg:#0a141a;
  --bg-panel:#0f1d24;
  --surface:#132229;
  --surface2:#1a2c35;
  --line:#243b46;
  --text:#f3f5f5;
  --muted:#93a8b1;
  --green:#21d4ae;
  --red:#ff5b7d;
  --radius:18px;
  --header-h:68px;
}

:root[data-theme="light"]{
  color-scheme:light;
  --head-bg:rgba(246,243,236,.85);
  --foot-bg:rgba(255,255,255,.55);
  --glow1:rgba(185,138,38,.10);
  --glow2:rgba(33,212,174,.06);
  --lic-bg:#ffffff;
  --on-gold:#1a1405;
  --shadow:0 10px 30px rgba(60,45,10,.10);
  --gold:#a87a14;
  --gold-soft:#d9ae4a;
  --gold-deep:#8a6310;
  --gold-bg:rgba(184,134,20,.11);
  --bg:#f6f3ec;
  --bg-panel:#fbf9f4;
  --surface:#ffffff;
  --surface2:#f1ede3;
  --line:#e2dccb;
  --text:#1c2a30;
  --muted:#66767d;
  --green:#0ea582;
  --red:#d6334f;
}
*{box-sizing:border-box}
html{font-size:18px}
html,body{margin:0;min-height:100%}
body{
  background:
    radial-gradient(900px 400px at 85% -10%, var(--glow1), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, var(--glow2), transparent 60%),
    var(--bg);
  background-attachment:fixed;
  color:var(--text);
  font-family:'Noto Naskh Arabic','Vazirmatn',system-ui,serif;
  font-weight:500;
  line-height:1.85;
  display:flex;flex-direction:column;min-height:100vh;
}
main{flex:1}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}
img{max-width:100%}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- Header ---------- */
header.site{
  position:sticky;top:0;z-index:40;height:var(--header-h);
  background:var(--head-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:800;font-size:1.2rem;flex:none}
.brand:hover{text-decoration:none}
.brand img{width:42px;height:42px;display:block}
.brand small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);line-height:1.2;margin-top:-2px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.nav-links{display:flex;flex:1;justify-content:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:8px 16px;border-radius:999px;color:var(--muted);font-weight:600;font-size:.92rem;transition:.15s}
.nav-links a:hover{text-decoration:none;color:var(--text);background:var(--surface2)}
.nav-links a.active{color:var(--on-gold,#fff);background:linear-gradient(135deg,var(--gold-soft),var(--gold))}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);place-items:center;
}
.menu-btn svg{width:20px;height:20px}

/* ---------- Buttons / generic ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  border-radius:12px;padding:10px 16px;font-weight:600;font-size:.9rem;transition:.15s;
}
.btn:hover{border-color:var(--gold);text-decoration:none}
.btn-gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold));color:var(--on-gold,#fff);border-color:transparent;font-weight:700}
.btn-gold:hover{filter:brightness(1.06);border-color:transparent}
.btn svg{width:18px;height:18px}
h1{font-size:2rem;margin:0 0 6px;line-height:1.45;font-weight:700}
h1 + p.subtitle{color:var(--muted);margin:0 0 28px;font-size:.95rem}
.page{padding:44px 0 70px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card + .card{margin-top:16px}
.badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--gold-bg);color:var(--gold);
  border-radius:999px;padding:5px 13px;font-size:.78rem;font-weight:700;margin-bottom:14px;
}
.about-lead{font-size:1.05rem;line-height:2;margin:0}
.contact-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.contact-item{
  display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:18px;color:var(--text);transition:.15s;
}
a.contact-item:hover{border-color:var(--gold);text-decoration:none;transform:translateY(-2px)}
.contact-icon{width:46px;height:46px;border-radius:13px;background:var(--gold-bg);display:grid;place-items:center;font-size:1.3rem;flex:none}
.contact-item b{display:block;font-size:.92rem}
.contact-item span{display:block;color:var(--muted);font-size:.8rem;margin-top:3px;direction:ltr;text-align:right}
.contact-note{color:var(--muted);font-size:.82rem;margin-top:18px}

/* ---------- Footer ---------- */
footer.site{border-top:1px solid var(--line);background:var(--foot-bg);margin-top:auto}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px;padding:38px 0 26px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-weight:800;font-size:1.1rem;color:var(--text)}
.foot-brand img{width:40px;height:40px}
.foot-about{color:var(--muted);font-size:.85rem;max-width:380px;margin:0}
footer.site h4{margin:0 0 12px;font-size:.9rem;color:var(--text)}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
footer.site ul a{color:var(--muted);font-size:.85rem}
footer.site ul a:hover{color:var(--gold);text-decoration:none}
.foot-bottom{
  border-top:1px solid var(--line);padding:16px 0 20px;color:var(--muted);font-size:.76rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;
}
.foot-bottom p{margin:0}

/* ================== Chat app ================== */
.chat-page{padding:20px 0 28px}
.app{
  display:grid;grid-template-columns:300px 1fr;gap:16px;
  height:calc(100vh - var(--header-h) - 48px);min-height:560px;max-height:860px;
}
.sidebar{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  display:flex;flex-direction:column;overflow:hidden;min-height:0;
}
.side-top{padding:14px;display:grid;gap:10px;border-bottom:1px solid var(--line)}
.new-chat{width:100%}
.search{position:relative}
.search svg{position:absolute;inset-inline-start:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--muted)}
.search input{
  width:100%;background:var(--bg-panel);border:1px solid var(--line);border-radius:10px;
  color:var(--text);font:inherit;font-size:.85rem;padding:9px 36px 9px 12px;
}
.search input:focus{outline:none;border-color:var(--gold)}
.history{flex:1;overflow-y:auto;padding:8px 10px 14px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.hist-group{font-size:.7rem;color:var(--muted);font-weight:700;padding:12px 8px 6px;letter-spacing:.02em}
.hist-item{
  position:relative;display:flex;align-items:center;gap:8px;width:100%;text-align:right;
  background:transparent;border:1px solid transparent;color:var(--text);
  padding:9px 10px;border-radius:12px;transition:.12s;
}
.hist-item:hover{background:var(--surface2)}
.hist-item.active{background:var(--gold-bg);border-color:rgba(224,179,68,.35)}
.hist-icon{width:16px;height:16px;flex:none;color:var(--muted)}
.hist-item.active .hist-icon{color:var(--gold)}
.hist-body{min-width:0;flex:1}
.hist-title{display:block;font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hist-time{display:block;font-size:.68rem;color:var(--muted)}
.hist-del{
  opacity:0;border:0;background:transparent;color:var(--muted);width:28px;height:28px;border-radius:8px;
  display:grid;place-items:center;flex:none;transition:.12s;
}
.hist-item:hover .hist-del,.hist-item:focus-within .hist-del{opacity:1}
.hist-del:hover{color:var(--red);background:rgba(255,91,125,.12)}
.hist-del svg{width:15px;height:15px}
.hist-empty{color:var(--muted);font-size:.82rem;text-align:center;padding:32px 12px}
.hist-skel{height:44px;border-radius:12px;margin:6px 0;background:linear-gradient(90deg,var(--surface2),var(--line),var(--surface2));background-size:200% 100%;animation:sk 1.2s infinite}
@keyframes sk{to{background-position:-200% 0}}

.chat-shell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  display:flex;flex-direction:column;overflow:hidden;min-height:0;min-width:0;
}
.chat-head{
  display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);
}
.chat-head img{width:38px;height:38px}
.chat-head b{display:block;font-size:.95rem;line-height:1.4}
.chat-head span.status{display:flex;align-items:center;gap:6px;font-size:.72rem;color:var(--muted)}
.chat-head .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(33,212,174,.18)}
.chat-head .head-actions{margin-inline-start:auto;display:flex;gap:8px}
.icon-btn{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--bg-panel);
  color:var(--muted);display:none;place-items:center;
}
.icon-btn:hover{color:var(--gold);border-color:var(--gold)}
.icon-btn svg{width:18px;height:18px}

.chat-messages{flex:1;overflow-y:auto;padding:22px 20px 10px;scrollbar-width:thin;scrollbar-color:var(--line) transparent;scroll-behavior:smooth}
.welcome{max-width:560px;margin:auto;text-align:center;padding:10px 0 20px}
.welcome img{width:84px;height:84px;margin-bottom:6px;filter:drop-shadow(0 8px 24px rgba(224,179,68,.25))}
.welcome h2{margin:0 0 4px;font-size:1.35rem}
.welcome p{margin:0 0 22px;color:var(--muted);font-size:.9rem}
.starter-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.starter{
  text-align:right;background:var(--bg-panel);border:1px solid var(--line);color:var(--text);
  border-radius:14px;padding:13px 14px;transition:.15s;display:flex;gap:10px;align-items:flex-start;
}
.starter:hover{border-color:var(--gold);transform:translateY(-2px);background:var(--surface2)}
.starter .em{font-size:1.25rem;line-height:1.5}
.starter b{display:block;font-size:.86rem}
.starter small{display:block;color:var(--muted);font-size:.72rem;line-height:1.6}

.chat-row{display:flex;gap:10px;margin-bottom:16px;max-width:100%}
.chat-row.user{flex-direction:row-reverse}
.chat-mini-avatar{
  width:34px;height:34px;border-radius:50%;background:var(--surface2);border:1px solid var(--line);
  display:grid;place-items:center;font-size:.78rem;font-weight:700;flex:none;color:var(--gold);overflow:hidden;
}
.chat-mini-avatar img{width:24px;height:24px}
.chat-row.user .chat-mini-avatar{color:var(--text);background:var(--gold-bg);border-color:transparent}
.chat-bubble{
  background:var(--surface2);border-radius:16px 16px 16px 4px;padding:12px 15px;
  font-size:.9rem;line-height:1.9;max-width:82%;position:relative;min-width:0;overflow-wrap:anywhere;
}
.chat-row.user .chat-bubble{background:var(--gold-bg);border:1px solid rgba(224,179,68,.22);border-radius:16px 16px 4px 16px}
.chat-bubble p{margin:0 0 8px}
.chat-bubble p:last-child{margin-bottom:0}
.chat-bubble ul{margin:0 0 8px;padding-inline-start:18px}
.chat-bubble table{width:100%;border-collapse:collapse;margin-top:6px;font-size:.85rem}
.chat-bubble table td{padding:4px 8px;border-bottom:1px solid var(--line)}
.chat-bubble table td:last-child{text-align:left;direction:ltr}
.chat-bubble .chat-table-total td{font-weight:800;border-bottom:none;color:var(--gold-soft)}
.chat-time{display:block;direction:ltr;text-align:left;color:var(--muted);opacity:.75;font-size:.64rem;margin-top:7px}
.chat-typing{display:flex;gap:4px;align-items:center;min-height:20px}
.chat-typing i{width:6px;height:6px;border-radius:50%;background:var(--gold);animation:chatDot 1s infinite ease-in-out}
.chat-typing i:nth-child(2){animation-delay:.15s}
.chat-typing i:nth-child(3){animation-delay:.3s}
@keyframes chatDot{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.chat-choices{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chat-choice{
  border:1px solid var(--line);background:var(--bg-panel);color:var(--text);
  border-radius:999px;padding:7px 15px;font-size:.8rem;font-weight:600;transition:.12s;
}
.chat-choice:hover:not(:disabled){border-color:var(--gold);color:var(--gold)}
.chat-choice:disabled{opacity:.45;cursor:default}
.chat-suggestions{display:flex;gap:8px;overflow-x:auto;padding:0 14px 10px;scrollbar-width:none}
.chat-suggestions:empty{display:none}
.chat-suggestions button{
  white-space:nowrap;border:1px solid var(--line);background:var(--bg-panel);color:var(--text);
  padding:7px 13px;border-radius:999px;font-size:.76rem;flex:none;transition:.12s;
}
.chat-suggestions button:hover{border-color:var(--gold)}
.chat-compose{display:flex;gap:8px;padding:12px 14px 6px;border-top:1px solid var(--line)}
.chat-compose textarea{
  flex:1;resize:none;min-height:46px;max-height:120px;border:1px solid var(--line);
  background:var(--bg-panel);color:var(--text);border-radius:14px;padding:12px 15px;font:inherit;font-size:.92rem;
}
.chat-compose textarea:focus{outline:none;border-color:var(--gold)}
.chat-send{
  width:46px;height:46px;border:0;border-radius:14px;background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  color:var(--on-gold,#fff);display:grid;place-items:center;flex:none;align-self:flex-end;transition:.12s;
}
.chat-send:hover:not(:disabled){filter:brightness(1.07)}
.chat-send:disabled{opacity:.35;cursor:default}
.chat-send svg{width:20px;height:20px;transform:scaleX(-1)}
.disclaimer{margin:0;padding:2px 16px 12px;text-align:center;font-size:.68rem;color:var(--muted)}

.pf-card{display:flex;align-items:center;gap:16px;margin-top:10px;flex-wrap:wrap}
.pf-donut{width:88px;height:88px;border-radius:50%;position:relative;flex:0 0 auto}
.pf-donut-hole{position:absolute;inset:16px;border-radius:50%;background:var(--surface2)}
.pf-table{border-collapse:collapse;font-size:.8rem;width:auto!important}
.pf-table td{padding:3px 0 3px 12px!important;border:0!important}
.pf-table td:last-child{font-weight:700;direction:ltr}
.pf-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-inline-end:6px;vertical-align:middle}
.tv-widget-wrap{margin-top:10px;min-height:280px}

/* mobile drawer */
.scrim{display:none}
@media(max-width:900px){
  .app{grid-template-columns:1fr;height:calc(100vh - var(--header-h) - 28px);min-height:520px;max-height:none}
  .sidebar{
    position:fixed;z-index:60;top:0;bottom:0;inset-inline-start:0;width:min(320px,86vw);border-radius:0;
    transform:translateX(100%);transition:transform .25s ease;
  }
  .sidebar.open{transform:none}
  .scrim{position:fixed;inset:0;z-index:55;background:rgba(0,0,0,.5);backdrop-filter:blur(2px)}
  .scrim.show{display:block}
  .icon-btn{display:grid}
  .chat-page{padding:14px 0 18px}
  .chat-page .wrap{padding:0 12px}
}
@media(max-width:720px){
  .nav-links{display:none;position:absolute;top:var(--header-h);inset-inline:0;flex-direction:column;
    background:var(--bg-panel);border-bottom:1px solid var(--line);padding:10px 16px;margin:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 14px;border-radius:12px}
  .menu-btn{display:grid}
  .nav-cta{display:none}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .starter-grid{grid-template-columns:1fr}
  .chat-bubble{max-width:90%}
  .brand small{display:none}
  .feature-grid{gap:10px}
  .feature-card{padding:16px 14px}
  .feature-card .f-icon{width:38px;height:38px;font-size:1.1rem;margin-bottom:10px;border-radius:11px}
  .feature-card h3{font-size:.86rem}
  .feature-card p{font-size:.76rem;line-height:1.7}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}


/* ---------- Theme toggle ---------- */
.theme-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  color:var(--text);display:grid;place-items:center;flex:none;transition:.15s;
}
.theme-btn:hover{border-color:var(--gold);color:var(--gold)}
.theme-btn svg{width:19px;height:19px}
.theme-btn .i-moon{display:none}
:root[data-theme="light"] .theme-btn .i-sun{display:none}
:root[data-theme="light"] .theme-btn .i-moon{display:block}
/* ---------- Licenses ---------- */
.licenses{border-top:1px solid var(--line);padding:22px 0 26px}
.licenses h4{margin:0 0 14px;font-size:.9rem;color:var(--text)}
.lic-row{display:flex;flex-wrap:wrap;gap:14px}
.lic{
  display:grid;place-items:center;background:var(--lic-bg);border:1px solid var(--line);
  border-radius:14px;padding:12px 16px;min-width:130px;min-height:104px;transition:.15s;
}
.lic:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none}
.lic img{height:80px;width:auto;max-width:100%;display:block;object-fit:contain}
.chat-shell,.sidebar,.card,.contact-item{box-shadow:var(--shadow)}
.foot-bottom{border-top:1px solid var(--line)}

/* ---------- Responsive refinements ---------- */
html{-webkit-text-size-adjust:100%}
body{overflow-x:hidden}
header.site{padding-top:env(safe-area-inset-top)}
.nav,.wrap{padding-inline:max(20px,env(safe-area-inset-left),env(safe-area-inset-right))}
h1{font-size:clamp(1.55rem,1.25rem + 1.3vw,2.1rem)}
.chat-messages,.history{overscroll-behavior:contain}
.chat-compose textarea{font-size:16px} /* جلوگیری از زوم خودکار iOS */

/* دسکتاپ خیلی بزرگ */
@media(min-width:1500px){
  .wrap,.nav{max-width:1320px}
  .app{grid-template-columns:340px 1fr;max-height:920px}
}
/* تبلت / لپ‌تاپ کوچک (فقط بالاتر از نقطه‌ی شکست موبایل، تا با چیدمان تک‌ستونه‌ی موبایل تداخل نکنه) */
@media(min-width:901px) and (max-width:1100px){
  .app{grid-template-columns:260px 1fr}
}
@media(max-width:1100px){
  .foot-grid{grid-template-columns:1.3fr 1fr 1fr;gap:24px}
}
@media(max-width:900px){
  .app{height:calc(100dvh - var(--header-h) - 28px)}
  .lic{flex:1 1 130px}
}
/* موبایل */
/* ---------- منوی همبرگری موبایل (بازشونده زیر آیکن) ---------- */
.mobile-menu{display:none;position:fixed;inset:0;z-index:65}
.mobile-menu.open{display:block}
.mobile-menu-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.28)}
.mobile-menu-panel{
  position:absolute;top:calc(var(--header-h) + 8px);left:14px;width:222px;
  background:var(--bg-panel);border:1px solid var(--line);border-radius:16px;
  padding:8px;box-shadow:0 16px 38px rgba(0,0,0,.28);animation:mmIn .15s ease;
}
@keyframes mmIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.mm-item{
  display:flex;align-items:center;gap:10px;width:100%;box-sizing:border-box;
  padding:11px 12px;border-radius:11px;background:none;border:0;
  color:var(--text);font:inherit;font-size:.88rem;font-weight:600;
  text-decoration:none;text-align:right;cursor:pointer;
}
.mm-item:hover{background:var(--surface2);text-decoration:none}
.mm-item svg{width:18px;height:18px;color:var(--muted);flex:none}
.mm-divider{height:1px;background:var(--line);margin:6px 4px}
.mm-account{padding:6px 8px 2px}
.mm-account .acc-name{font-weight:700;font-size:.86rem;display:flex;align-items:center;gap:8px;margin-bottom:8px}
.mm-account .btn{width:100%;padding:8px 12px;font-size:.85rem}

@media(max-width:720px){
  :root{--header-h:62px}
  .nav{gap:8px;padding-inline:14px}
  .brand img{width:36px;height:36px}
  .brand{font-size:1.1rem}
  .page{padding:28px 0 48px}
  .foot-grid{padding:28px 0 20px}
  .foot-bottom{flex-direction:column}
  .lic-row{gap:10px}
  .lic{min-width:0;padding:10px 12px;min-height:92px}
  .lic img{height:68px}
  .chat-messages{padding:16px 12px 8px}
  .chat-compose{padding:10px 10px 4px}
  .chat-page{padding:0}
  .chat-page .wrap{padding-inline:0}
  .app{height:calc(100dvh - var(--header-h));min-height:440px}
  .menu-btn{display:grid}
  /* نمای ساده و استاندارد چت، تمام‌عرض، بدون قاب/کارت اضافه */
  .chat-shell{border:0;border-radius:0;box-shadow:none;height:100%}
  .chat-head{display:none}
  .welcome{display:none}
  .disclaimer{display:none}
}
@media(max-width:380px){
  .brand-text{font-size:1rem}
  .chat-head span.status{font-size:.66rem}
  .chat-mini-avatar{width:30px;height:30px}
  .chat-bubble{font-size:.86rem;padding:10px 12px}
  .starter{padding:11px 12px}
  .lic img{height:58px}
}
/* صفحه‌ی کوتاه (موبایل افقی) */
@media(max-height:520px) and (orientation:landscape){
  .app{height:calc(100dvh - var(--header-h) - 16px);min-height:0}
  .welcome{padding:0}.welcome img{width:48px;height:48px}.welcome p{margin-bottom:10px}
}
/* دستگاه لمسی: دکمه‌ی حذف همیشه دیده شود */
@media(hover:none){.hist-del{opacity:.7}}

.page h1{margin-bottom:18px}
.page h1 + p.subtitle{margin-top:-8px}

/* ---------- About / Terms pages ---------- */
.page-head{text-align:center;margin-bottom:26px}
.page-head .badge{margin-inline:auto}
.page-head h1{margin-bottom:6px}
.page-head .subtitle{margin:0}
.hero-card{
  display:flex;align-items:center;gap:22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;inset-inline-end:-60px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,var(--gold-bg),transparent 70%);pointer-events:none;
}
.hero-card img{width:60px;height:60px;flex:none;filter:drop-shadow(0 6px 18px rgba(224,179,68,.25))}
.hero-card h2{margin:0 0 6px;font-size:1.25rem;line-height:1.6}
.hero-card p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.9}

.lead-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow)}
.lead-card p{margin:0 0 16px;font-size:1rem;line-height:2}
.lead-card p:last-child{margin-bottom:0}

.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;transition:.18s;box-shadow:var(--shadow);
}
.feature-card:hover{border-color:var(--gold);transform:translateY(-3px)}
.feature-card .f-icon{
  width:46px;height:46px;border-radius:13px;background:var(--gold-bg);color:var(--gold);
  display:grid;place-items:center;font-size:1.35rem;margin-bottom:14px;
}
.feature-card h3{margin:0 0 7px;font-size:.98rem;color:var(--text)}
.feature-card p{margin:0;color:var(--muted);font-size:.85rem;line-height:1.9}

.closing-note{
  margin-top:22px;text-align:center;background:var(--gold-bg);border:1px solid rgba(224,179,68,.28);
  border-radius:16px;padding:20px 24px;color:var(--gold-deep);font-weight:700;font-size:.95rem;line-height:1.9;
}

.section-title{display:flex;align-items:center;gap:10px;margin:34px 0 14px}
.section-title:first-of-type{margin-top:0}
.section-title .dash{width:26px;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--gold-soft),var(--gold));flex:none}
.section-title h2{margin:0;font-size:1.05rem}

.term-list{display:grid;gap:14px}
.term-card{
  display:flex;gap:18px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:22px 24px;box-shadow:var(--shadow);transition:.15s;
}
.term-card:hover{border-color:var(--gold)}
.term-num{
  flex:none;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));color:var(--on-gold,#fff);
  font-weight:800;font-size:1.05rem;
}
.term-body{min-width:0}
.term-body h3{margin:0 0 8px;font-size:1rem;color:var(--text)}
.term-body p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.95}

.intro-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);display:flex;gap:18px;align-items:flex-start;
}
.intro-card .f-icon{
  width:46px;height:46px;border-radius:13px;background:var(--gold-bg);color:var(--gold);
  display:grid;place-items:center;font-size:1.3rem;flex:none;
}
.intro-card p{margin:0;color:var(--text);font-size:.95rem;line-height:1.95}

@media(max-width:640px){
  .hero-card{flex-direction:column;text-align:center;padding:26px 22px}
  .term-card{flex-direction:column;align-items:flex-start;gap:12px}
  .intro-card{flex-direction:column;text-align:center;align-items:center}
}
@media(max-width:720px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:22px}
  .foot-grid > div:first-child{grid-column:1 / -1}
  .foot-about{max-width:none}
}
@media(max-width:380px){.foot-grid{grid-template-columns:1fr}}

/* ---------- Auth / Login ---------- */
.auth-wrap{max-width:440px;margin:0 auto}
.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow)}
.auth-card .auth-icon{
  width:54px;height:54px;border-radius:15px;background:var(--gold-bg);color:var(--gold);
  display:grid;place-items:center;font-size:1.5rem;margin:0 auto 16px;
}
.auth-card h2{margin:0 0 6px;font-size:1.15rem;text-align:center}
.auth-card .auth-sub{color:var(--muted);font-size:.85rem;margin:0 0 24px;text-align:center;line-height:1.9}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-size:.8rem;color:var(--muted);font-weight:600}
.field input{
  width:100%;background:var(--bg-panel);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;color:var(--text);font:inherit;font-size:.92rem;
}
.field input:focus{outline:none;border-color:var(--gold)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.otp-field input{
  text-align:center;letter-spacing:.5em;font-size:1.3rem;direction:ltr;font-weight:700;
}
.auth-btn{width:100%;margin-top:6px}
.auth-btn:disabled{opacity:.55;cursor:default}
.auth-msg{font-size:.82rem;margin-top:14px;text-align:center;line-height:1.8;min-height:1.4em}
.auth-msg.error{color:var(--red)}
.auth-msg.success{color:var(--green)}
.auth-mobile-chip{
  text-align:center;font-size:.85rem;color:var(--muted);margin-bottom:18px;direction:ltr;
}
.auth-mobile-chip b{color:var(--text);direction:ltr;display:inline-block}
.auth-alt{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:.8rem;color:var(--muted)}
.auth-alt button{background:none;border:0;color:var(--gold);font-weight:700;cursor:pointer;font:inherit;padding:0}
.auth-alt button:disabled{color:var(--muted);cursor:default}
.auth-step{display:none}
.auth-step.active{display:block}