/* ════════════════════════════════════════════════════════════════
   زرنرخ | zarnerkh.ir — Premium UI  ·  v7 (Vazirmatn Variable)
   خودکفا، بدون منبع خارجی · لوکس طلایی روی ناوی عمیق · TV/Desktop/Mobile
   رنگ‌های پایه از پنل مدیریت تزریق می‌شوند (متغیرها حفظ شده‌اند).
   ════════════════════════════════════════════════════════════════ */

:root {
    /* --- پایه (قابل تنظیم از پنل مدیریت) --- */
    --bg-page: #070a14;
    --bg-card: #111a2d;
    --bg-card-hover: #17213a;
    --top-bg: #0a0f1e;
    --top-bg-2: #131c33;
    --text-primary: #f4f7fc;
    --text-secondary: #c3cee2;
    --theme_blue_bg: rgba(56,130,246,0.08);
    --theme_blue_border: rgba(96,165,250,0.38);
    --theme_gold_bg: rgba(244,201,93,0.07);
    --theme_gold_border: rgba(244,201,93,0.42);

    /* --- اکسنت‌های ثابت برند زرنرخ --- */
    --accent-gold: #f4c95d;
    --accent-gold-2: #e3a534;
    --accent-blue: #7cc4ff;
    --gold-grad: linear-gradient(135deg, #fdeeb8 0%, #f4c95d 45%, #d99a2b 100%);
    --gold-grad-soft: linear-gradient(135deg, #f6d074, #e3a534);

    --top-surface: rgba(255,255,255,0.05);
    --border-default: rgba(255,255,255,0.08);
    --border-soft: rgba(255,255,255,0.055);
    --border-dark: rgba(255,255,255,0.10);
    --border-gold: rgba(244,201,93,0.24);
    --text-muted: #8494b2;
    --text-dim-dark: #98a4c1;

    --gold-dark: #d99a2b;
    --gold-mid: #f4c95d;
    --gold-light: #fde8a6;

    --up: #2dd47f;
    --up-dark: #16a34a;
    --up-light: #4ade80;
    --up-bright: #86efac;
    --up-glow: rgba(45,212,127,0.45);
    --down: #f8556b;
    --down-dark: #dc2626;
    --down-light: #f87171;
    --down-bright: #fca5a5;
    --down-glow: rgba(248,85,107,0.45);

    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);

    /* لایه‌های نور و سایه‌ی پریمیوم */
    --hl-top: inset 0 1px 0 rgba(255,255,255,0.07);
    --shadow-card: 0 1px 2px rgba(0,0,0,0.28), 0 14px 34px -16px rgba(0,0,0,0.6);
    --shadow-card-hover: 0 8px 20px -8px rgba(0,0,0,0.55), 0 28px 60px -20px rgba(0,0,0,0.7), 0 0 0 1px var(--border-gold);
    --radius: 18px;
    --radius-sm: 12px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { font-size: 15px; scroll-behavior: smooth; }

body {
    font-family: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
    font-weight: 400;
    background: var(--bg-page);
    margin: 0; padding: 0;
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    font-feature-settings: "ss01";
}

/* اتمسفر پس‌زمینه: هاله‌ی طلایی و آبی + گرین ظریف، کاملاً CSS و سبک */
body::before {
    content: '';
    position: fixed; inset: 0; z-index: -2;
    background:
        radial-gradient(1200px 640px at 82% -10%, rgba(244,201,93,0.13), transparent 60%),
        radial-gradient(920px 620px at 8% 2%, rgba(56,130,246,0.12), transparent 62%),
        radial-gradient(1300px 980px at 50% 122%, rgba(244,201,93,0.06), transparent 60%),
        var(--bg-page);
}
body::after {
    content: '';
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background-image: radial-gradient(rgba(255,255,255,0.022) 1px, transparent 1px);
    background-size: 3px 3px;
    opacity: 0.5;
}

/* ───────────────── اسپلش ───────────────── */
.zx-splash {
    position: fixed; inset: 0; z-index: 9999;
    display: grid; place-items: center;
    background:
        radial-gradient(700px 500px at 50% 35%, rgba(244,201,93,0.10), transparent 65%),
        var(--bg-page);
    transition: opacity 0.55s ease;
}
.zx-splash.hide { opacity: 0; pointer-events: none; }
.zx-splash-inner { display: flex; flex-direction: column; align-items: center; gap: 0.9em; }
.zx-splash svg { width: 86px; height: 86px; filter: drop-shadow(0 6px 18px rgba(244,201,93,0.35)); animation: zxPulse 1.4s ease-in-out infinite; }
.zx-splash-name {
    font-size: 1.9em; font-weight: 900; line-height: 1;
    background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.zx-bar { width: 116px; height: 3px; border-radius: 999px; background: rgba(255,255,255,0.08); overflow: hidden; }
.zx-bar span { display: block; width: 40%; height: 100%; border-radius: 999px; background: var(--gold-grad-soft); animation: zxSlide 1.15s cubic-bezier(0.5,0,0.3,1) infinite; }
@keyframes zxPulse { 0%,100% { opacity: 1; transform: scale(1);} 50% { opacity: .55; transform: scale(0.93);} }
@keyframes zxSlide { 0% { transform: translateX(-160%);} 100% { transform: translateX(420%);} }

/* ───────────────── نوار بالا ───────────────── */
.top-bar {
    background: linear-gradient(180deg, rgba(10,15,30,0.86) 0%, rgba(19,28,51,0.82) 100%);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    color: #fff;
    padding: calc(var(--safe-top) + 0.7em) 0.95em 0.8em;
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 12px 34px -14px rgba(0,0,0,0.6), var(--hl-top);
    border-bottom: 1px solid var(--border-gold);
}
.top-bar::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.6;
}

/* برند زرنرخ */
.brand-row {
    display: flex; align-items: center; justify-content: center;
    gap: 0.5em; margin-bottom: 0.6em;
}
.brand-mark {
    width: 1.95em; height: 1.95em; flex-shrink: 0;
    filter: drop-shadow(0 2px 8px rgba(244,201,93,0.42));
    animation: brandFloat 5s ease-in-out infinite;
}
@keyframes brandFloat { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-2px);} }
.brand-name {
    font-size: 1.6em; font-weight: 900; line-height: 1;
    background: var(--gold-grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.brand-tag {
    font-size: 0.72em; font-weight: 600; color: var(--text-dim-dark);
    align-self: flex-end; margin-bottom: 0.22em;
}

.top-meta {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.82em;
    margin-bottom: 0.65em; padding-bottom: 0.55em;
    border-bottom: 1px solid var(--border-dark);
    color: var(--text-dim-dark);
    gap: 0.5em;
}
.top-meta .meta-item { display: inline-flex; align-items: center; gap: 0.35em; white-space: nowrap; font-weight: 500; }
.top-meta strong { color: #f1f5f9; font-weight: 700; transition: color 0.3s; font-variant-numeric: tabular-nums; }
#sync-time.sync-green  { color: var(--up-light) !important; }
#sync-time.sync-yellow { color: #facc15 !important; }
#sync-time.sync-red    { color: var(--down-light) !important; }

.status-pill {
    display: inline-flex; align-items: center; gap: 0.4em;
    padding: 0.24em 0.7em; border-radius: 999px;
    font-size: 0.9em; font-weight: 700;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-dark);
    transition: all 0.3s;
}
.status-pill .dot { width: 0.55em; height: 0.55em; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 0 currentColor; }
.status-pill.online  { color: var(--up-light); border-color: rgba(74,222,128,0.34); background: rgba(74,222,128,0.11); }
.status-pill.online  .dot { animation: pulseDot 2s infinite; }
.status-pill.offline { color: var(--down-light); border-color: rgba(248,113,113,0.34); background: rgba(248,113,113,0.11); }
@keyframes pulseDot { 0%,100% { box-shadow: 0 0 0 0 currentColor; opacity: 1; } 50% { box-shadow: 0 0 0 0.4em transparent; opacity: 0.55; } }

/* ───────────────── نرخ‌های پایه ───────────────── */
.base-rates { display: flex; justify-content: center; gap: 0.6em; flex-wrap: wrap; }

.rate-item {
    padding: 0.65em 1em;
    border-radius: var(--radius);
    display: flex; flex-direction: column;
    width: max-content; min-width: 15.5em;
    position: relative; overflow: hidden;
    transition: transform 0.22s cubic-bezier(0.22,1,0.36,1), border-color 0.4s ease, box-shadow 0.4s ease, background 0.3s ease;
    border: 1px solid var(--border-default);
    box-shadow: var(--hl-top);
    will-change: transform;
}
.rate-item:active { transform: scale(0.985); }

.top-bar .rate-item {
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.018));
    border-color: var(--border-gold);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.top-bar .rate-item:hover { transform: translateY(-2px); border-color: rgba(244,201,93,0.4); box-shadow: 0 10px 26px -14px rgba(0,0,0,0.7), var(--hl-top); }

.secondary-bar { padding: 0.9em 0.6em; border-bottom: 1px solid var(--border-default); margin-bottom: 1.7em; }
.secondary-bar .rate-item {
    background: linear-gradient(180deg, var(--bg-card), rgba(17,26,45,0.55));
    border-color: var(--border-default);
    box-shadow: var(--shadow-card), var(--hl-top);
}
.secondary-bar .rate-item:hover { border-color: var(--border-gold); transform: translateY(-2px); }

.rate-main-row { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 0.6em; position: relative; z-index: 2; }
.rate-label { font-size: 0.94em; font-weight: 700; }
.top-bar .rate-label { color: #dbe3f2; }
.secondary-bar .rate-label { color: var(--text-secondary); }

.rate-val-content { display: flex; align-items: center; gap: 0.5em; direction: ltr; }
.rate-val { font-weight: 800; font-size: 1.42em; letter-spacing: 0.01em; transition: color 0.4s ease; font-variant-numeric: tabular-nums; }
.top-bar .rate-val.trend-up   { color: var(--up-bright); }
.top-bar .rate-val.trend-down { color: var(--down-bright); }
.secondary-bar .rate-val.trend-up   { color: var(--up-light); }
.secondary-bar .rate-val.trend-down { color: var(--down-light); }

.trend-arrow { display: inline-flex; align-items: center; justify-content: center; width: 1.4em; height: 1.4em; line-height: 1; transition: color 0.4s ease, transform 0.4s cubic-bezier(0.34,1.56,0.64,1); flex-shrink: 0; }
.trend-arrow .arrow-svg { width: 100%; height: 100%; }
.top-bar .trend-arrow.trend-up, .secondary-bar .trend-arrow.trend-up, .card .trend-arrow.trend-up { color: var(--up); filter: drop-shadow(0 0 5px var(--up-glow)); }
.top-bar .trend-arrow.trend-down, .secondary-bar .trend-arrow.trend-down, .card .trend-arrow.trend-down { color: var(--down); filter: drop-shadow(0 0 5px var(--down-glow)); }

.trend-arrow.just-changed { animation: arrowPop 0.7s cubic-bezier(0.34,1.56,0.64,1); }
@keyframes arrowPop { 0% { transform: scale(1) translateY(0);} 35% { transform: scale(1.45) translateY(-2px);} 70% { transform: scale(1.1) translateY(1px);} 100% { transform: scale(1) translateY(0);} }

.flash-overlay { position: absolute; inset: 0; pointer-events: none; opacity: 0; z-index: 1; border-radius: inherit; }
.rate-item.flash-up   .flash-overlay, .card.flash-up .flash-overlay   { animation: flashUp 0.85s ease-out; }
.rate-item.flash-down .flash-overlay, .card.flash-down .flash-overlay { animation: flashDown 0.85s ease-out; }
@keyframes flashUp   { 0% { opacity:0; background: rgba(45,212,127,0);} 25% { opacity:1; background: rgba(45,212,127,0.22);} 100% { opacity:0; background: rgba(45,212,127,0);} }
@keyframes flashDown { 0% { opacity:0; background: rgba(248,85,107,0);} 25% { opacity:1; background: rgba(248,85,107,0.22);} 100% { opacity:0; background: rgba(248,85,107,0);} }

.rate-val.just-changed, .card-price.just-changed { animation: valuePulse 0.7s ease-out; }
@keyframes valuePulse { 0% { transform: translateY(0);} 35% { transform: translateY(-2px);} 100% { transform: translateY(0);} }

.rate-min-max {
    display: flex; flex-direction: column; gap: 0.26em;
    width: 100%; font-size: 0.74em;
    margin-top: 0.55em; padding-top: 0.55em;
    border-top: 1px dashed var(--border-dark);
    position: relative; z-index: 2;
}
.rate-min-max > span { display: flex; justify-content: space-between; align-items: center; color: #c2cde0; font-weight: 500; }
.rate-min-max .min-text .val { color: var(--down-bright); font-weight: 700; font-variant-numeric: tabular-nums; }
.rate-min-max .max-text .val { color: var(--up-bright); font-weight: 700; font-variant-numeric: tabular-nums; }

/* ───────────────── محتوای اصلی ───────────────── */
.container { max-width: 1900px; width: 100%; margin: 0 auto; padding: 0 1.6em calc(var(--safe-bottom) + 2em); }

.header-main { text-align: center; margin-bottom: 2.4em; }
.header-main h1 {
    font-size: 2.35em; font-weight: 900; line-height: 1.45;
    margin: 0.25em 0 0.5em 0;
}
.header-main h1 .hl {
    background: var(--gold-grad);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.header-main h1 strong { color: var(--accent-gold); font-weight: 900; }
.seo-intro {
    max-width: 56em; margin: 0 auto 1.15em; padding: 0 0.5em;
    font-size: 1.02em; line-height: 2.1; color: var(--text-secondary); font-weight: 400;
}
.seo-intro strong { color: var(--accent-gold); font-weight: 700; }
.currency-notice {
    background: var(--theme_gold_bg);
    color: var(--accent-gold);
    padding: 0.55em 1.9em; border-radius: 2em;
    border: 1px solid var(--border-gold);
    display: inline-block; font-weight: 600; font-size: 0.95em;
    box-shadow: var(--hl-top);
}
.currency-notice strong { color: var(--gold-light); font-weight: 800; }

.section-title {
    font-size: 1.55em; font-weight: 800;
    margin: 2.4em 0 1.05em; padding: 0.42em 0.95em;
    color: var(--text-primary);
    background: transparent;
    border-right: 4px solid var(--accent-gold);
    border-radius: 0;
    display: flex; align-items: center; gap: 0.55em;
}
.section-title::after { content: ''; flex: 1; height: 1px; background: linear-gradient(to left, var(--border-gold), transparent); margin-right: 0.5em; }
.section-title.theme-blue { border-right-color: var(--accent-blue); }
.section-title.theme-blue::after { background: linear-gradient(to left, rgba(124,196,255,0.4), transparent); }
.section-title.theme-gold { border-right-color: var(--accent-gold); }

/* ───────────────── کارت محصولات ───────────────── */
.price-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(18em, 1fr)); gap: 1em; }
.card {
    padding: 1.2em 1em;
    border-radius: var(--radius);
    display: flex; flex-direction: column; justify-content: center;
    transition: transform 0.24s cubic-bezier(0.22,1,0.36,1), box-shadow 0.35s ease, border-color 0.4s ease, background 0.3s ease;
    position: relative; overflow: hidden;
    box-shadow: var(--shadow-card), var(--hl-top);
    background: linear-gradient(180deg, var(--bg-card), rgba(17,26,45,0.5));
    border: 1px solid var(--border-default);
}
.card::before {
    content: ''; position: absolute; top: 0; right: 0; left: 0; height: 2px;
    background: var(--gold-grad); opacity: 0.18; transition: opacity 0.35s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--border-gold); background: var(--bg-card-hover); }
.card:hover::before { opacity: 0.95; }
.card:active { transform: scale(0.985); }

.card-name { font-size: 0.97em; color: var(--text-secondary); font-weight: 600; margin-bottom: 0.95em; text-align: center; line-height: 1.65; position: relative; z-index: 2; }
.card-price-row { display: flex; align-items: center; justify-content: center; gap: 0.55em; direction: ltr; position: relative; z-index: 2; }
.card-price { font-size: 1.85em; font-weight: 800; letter-spacing: 0.01em; transition: color 0.4s ease; font-variant-numeric: tabular-nums; }
.card-price.trend-up   { color: var(--up-light); }
.card-price.trend-down { color: var(--down-light); }
.card .trend-arrow { width: 1.55em; height: 1.55em; }

.theme-blue.card { background: linear-gradient(180deg, var(--theme_blue_bg), rgba(17,26,45,0.4)); border-color: var(--theme_blue_border); }
.theme-blue.card::before { background: linear-gradient(135deg, #bfe0ff, #7cc4ff); }
.theme-gold.card { background: linear-gradient(180deg, var(--theme_gold_bg), rgba(17,26,45,0.4)); border-color: var(--theme_gold_border); }

/* ───────────────── سوالات متداول (FAQ) ───────────────── */
.faq { max-width: 56em; margin: 3em auto 1em; }
.faq h2 { font-size: 1.5em; font-weight: 800; text-align: center; margin-bottom: 1.15em; color: var(--accent-gold); }
.faq details {
    background: linear-gradient(180deg, var(--bg-card), rgba(17,26,45,0.5));
    border: 1px solid var(--border-default);
    border-radius: 14px; margin-bottom: 0.7em; overflow: hidden;
    transition: border-color 0.3s;
    box-shadow: var(--hl-top);
}
.faq details[open] { border-color: var(--border-gold); }
.faq summary {
    cursor: pointer; padding: 1.05em 1.2em; font-weight: 700; font-size: 1.02em;
    list-style: none; display: flex; align-items: center; justify-content: space-between;
    color: var(--text-primary);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--accent-gold); font-size: 1.5em; font-weight: 800; transition: transform 0.3s; line-height: 1; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 1.2em 1.15em; margin: 0; line-height: 2.05; color: var(--text-secondary); }
.faq details p strong { color: var(--accent-gold); }

/* ───────────────── فوتر ───────────────── */
.site-footer {
    max-width: 60em; margin: 2.6em auto 0; padding: 2.1em 1.5em 1em;
    border-top: 1px solid var(--border-gold); text-align: center;
}
.site-footer .brand-name { font-size: 1.7em; display: inline-block; }
.site-footer p { color: var(--text-muted); line-height: 2.05; font-size: 0.95em; max-width: 50em; margin: 0.85em auto; }
.site-footer p strong { color: var(--text-secondary); }
.footer-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5em; margin: 1.25em 0; }
.footer-tags span { font-size: 0.82em; color: var(--text-dim-dark); background: rgba(255,255,255,0.035); border: 1px solid var(--border-soft); padding: 0.32em 0.9em; border-radius: 999px; transition: border-color 0.25s, color 0.25s; }
.footer-tags span:hover { color: var(--accent-gold); border-color: var(--border-gold); }
.footer-copy { color: var(--text-muted); font-size: 0.85em; margin-top: 1em; }

.online-users-footer {
    width: 100%; background: var(--top-bg-2);
    border-top: 1px solid var(--border-gold);
    padding: 12px 20px; display: flex; justify-content: center; align-items: center;
    color: var(--text-dim-dark); font-size: 0.95em; margin-top: 2em;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.25);
}
.online-wrapper { display: flex; align-items: center; gap: 8px; }
.online-logo { width: 18px; height: 18px; color: var(--up-light); }
.online-users-footer strong { color: var(--up-light); font-size: 1.1em; font-variant-numeric: tabular-nums; }

/* ───────────────── دکمه بازگشت به بالا ───────────────── */
#scroll-top {
    position: fixed; bottom: calc(var(--safe-bottom) + 1em); left: 1em;
    width: 2.9em; height: 2.9em; border-radius: 50%;
    background: var(--gold-grad-soft); color: #1a1205; border: none;
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    box-shadow: 0 6px 22px rgba(244,201,93,0.35); opacity: 0; pointer-events: none;
    transform: translateY(10px); transition: opacity 0.3s, transform 0.3s; z-index: 50;
}
#scroll-top.visible { opacity: 0.95; pointer-events: auto; transform: translateY(0); }
#scroll-top:hover { opacity: 1; transform: translateY(-2px); }
#scroll-top svg { width: 1.3em; height: 1.3em; }

/* ───────────────── واکنش‌گرایی ───────────────── */
@media (min-width: 1200px) {
    html { font-size: 0.92vw; }
    .price-grid { grid-template-columns: repeat(auto-fill, minmax(20em, 1fr)); gap: 1.15em; }
}
@media (min-width: 1700px) {
    html { font-size: 0.8vw; }
    .price-grid { grid-template-columns: repeat(auto-fill, minmax(18em, 1fr)); gap: 1.25em; }
}
@media (min-width: 2200px) {
    html { font-size: 0.62vw; }
    .container { max-width: 2400px; }
    .rate-val { font-size: 1.5em; }
    .card-price { font-size: 1.95em; }
}

@media (max-width: 900px) {
    .price-grid { grid-template-columns: repeat(auto-fill, minmax(15em, 1fr)); gap: 0.85em; }
    .rate-item { min-width: 13em; }
}

@media (max-width: 600px) {
    html { font-size: 3.95vw; }
    .top-bar { padding: calc(var(--safe-top) + 0.5em) 0.4em 0.6em; }
    .brand-row { gap: 0.35em; margin-bottom: 0.5em; }
    .brand-name { font-size: 1.35em; }
    .brand-mark { width: 1.6em; height: 1.6em; }
    .brand-tag { font-size: 0.64em; }
    .top-meta { font-size: 0.7em; flex-wrap: wrap; gap: 0.35em; margin-bottom: 0.5em; padding-bottom: 0.4em; justify-content: space-between; }
    .top-meta .meta-item { font-size: 1em; }
    .status-pill { padding: 0.15em 0.55em; font-size: 0.95em; }
    .base-rates { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.45em; }
    .rate-item { width: 100%; min-width: unset; padding: 0.6em 0.5em; border-radius: 14px; }
    .rate-main-row { flex-direction: column; justify-content: center; gap: 0.25em; align-items: center; }
    .rate-label { font-size: 1em; font-weight: 700; line-height: 1.2; text-align: center; }
    .rate-val { font-size: 1.36em; line-height: 1.1; }
    .trend-arrow { width: 1.2em; height: 1.2em; }
    .rate-min-max { font-size: 0.78em; margin-top: 0.4em; padding-top: 0.4em; gap: 0.22em; }
    .secondary-bar { padding: 0.6em 0.35em; margin-bottom: 1.15em; }
    .container { padding: 0 0.7em calc(var(--safe-bottom) + 1em); }
    .header-main { margin-bottom: 1.35em; }
    .header-main h1 { font-size: 1.5em; line-height: 1.65; margin-bottom: 0.4em; }
    .seo-intro { font-size: 0.92em; line-height: 2; }
    .currency-notice { font-size: 0.85em; padding: 0.4em 1.2em; }
    .section-title { font-size: 1.28em; margin: 1.6em 0 0.85em; padding: 0.32em 0.7em; }
    .section-title::after { display: none; }
    .price-grid { grid-template-columns: repeat(2, 1fr); gap: 0.65em; }
    .card { padding: 0.9em 0.55em; border-radius: 14px; }
    .card-name { font-size: 0.92em; margin-bottom: 0.55em; line-height: 1.45; }
    .card-price { font-size: 1.38em; }
    .card .trend-arrow { width: 1.25em; height: 1.25em; }
    .faq h2 { font-size: 1.28em; }
    .faq summary { font-size: 0.96em; padding: 0.9em 1em; }
    #scroll-top { width: 2.6em; height: 2.6em; }
    .zx-splash svg { width: 72px; height: 72px; }
}

@media (max-width: 360px) {
    .top-meta { font-size: 0.65em; }
    .rate-label { font-size: 0.92em; }
    .rate-val { font-size: 1.22em; }
    .card-name { font-size: 0.85em; }
    .card-price { font-size: 1.22em; }
    .price-grid { gap: 0.5em; }
    .base-rates { gap: 0.38em; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
}

@media print {
    body::before, body::after { display: none; }
    .top-bar, #scroll-top, .online-users-footer, .zx-splash { display: none; }
    body { background: #fff; color: #000; }
    .card { break-inside: avoid; border: 1px solid #ccc; box-shadow: none; }
}

/* ───────────────── کارت نصب اپ (PWA Install) ───────────────── */
.install-card {
    position: fixed;
    bottom: calc(var(--safe-bottom) + 1em);
    right: 1em;
    width: 340px; max-width: calc(100vw - 2em);
    background: linear-gradient(160deg, #182239, #0e1626);
    border: 1px solid var(--border-gold);
    border-radius: 18px;
    box-shadow: 0 18px 50px -12px rgba(0,0,0,0.7), 0 0 0 1px rgba(244,201,93,0.05);
    padding: 1.05em 1.1em 1em;
    z-index: 200;
    transform: translateY(140%);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.22,1,0.36,1), opacity 0.4s ease;
    pointer-events: none;
}
.install-card.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.install-card::before {
    content: ''; position: absolute; top: 0; right: 0; left: 0; height: 3px;
    border-radius: 18px 18px 0 0; background: var(--gold-grad);
}
.install-head { display: flex; align-items: center; gap: 0.7em; margin-bottom: 0.6em; }
.install-icon {
    width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4); border: 1px solid var(--border-gold);
}
.install-text { flex: 1; min-width: 0; }
.install-title { font-size: 1.02em; font-weight: 800; color: var(--accent-gold); line-height: 1.3; }
.install-sub { font-size: 0.8em; color: var(--text-secondary); line-height: 1.5; margin-top: 0.15em; }
.install-close {
    position: absolute; top: 0.55em; left: 0.6em;
    width: 1.7em; height: 1.7em; border-radius: 50%;
    background: rgba(255,255,255,0.06); border: none; color: var(--text-dim-dark);
    font-size: 1.05em; line-height: 1; cursor: pointer; transition: background 0.2s, color 0.2s;
    display: flex; align-items: center; justify-content: center;
}
.install-close:hover { background: rgba(255,255,255,0.12); color: #fff; }
.install-actions { display: flex; gap: 0.55em; margin-top: 0.3em; }
.install-btn {
    flex: 1; padding: 0.68em 0.5em; border-radius: 11px; font-family: inherit;
    font-size: 0.92em; font-weight: 700; cursor: pointer; border: none; transition: all 0.2s;
}
.install-btn.primary { background: var(--gold-grad-soft); color: #1a1205; box-shadow: 0 4px 14px rgba(244,201,93,0.3); }
.install-btn.primary:hover { filter: brightness(1.06); transform: translateY(-1px); }
.install-btn.ghost { background: rgba(255,255,255,0.05); color: var(--text-secondary); border: 1px solid var(--border-default); }
.install-btn.ghost:hover { background: rgba(255,255,255,0.1); }
.install-ios-hint { font-size: 0.86em; color: var(--text-secondary); line-height: 1.9; margin: 0.2em 0 0.1em; }
.install-ios-hint b { color: var(--accent-gold); }
.install-ios-hint .ios-share { display: inline-block; transform: translateY(2px); }

@media (max-width: 600px) {
    .install-card { right: 0.7em; left: 0.7em; width: auto; bottom: calc(var(--safe-bottom) + 0.7em); }
}
@media (prefers-reduced-motion: reduce) {
    .install-card { transition: opacity 0.2s ease; transform: none; }
    .install-card:not(.show) { transform: none; }
}

/* ════════════════════════════════════════════════════════════════
   حالت تلویزیون (TV Kiosk Mode)
   ════════════════════════════════════════════════════════════════ */
.rates-hero { display: contents; }

html.tv-mode { cursor: pointer; }
html.tv-mode body { overflow-x: hidden; }

html.tv-mode .rates-hero {
    display: flex; flex-direction: column;
    position: fixed; inset: 0;
    height: 100vh; height: 100dvh;
    z-index: 120;
    padding: 2.2vh 2vw; gap: 1.2vh;
    overflow: hidden;
    background:
        radial-gradient(1200px 700px at 80% -10%, rgba(244,201,93,0.13), transparent 60%),
        radial-gradient(1000px 700px at 8% 0%, rgba(56,130,246,0.13), transparent 62%),
        var(--bg-page);
    transition: opacity 0.55s ease;
}
html.tv-mode .rates-hero.hero-hidden { opacity: 0; pointer-events: none; }

html.tv-mode .top-bar {
    position: static; background: transparent; backdrop-filter: none;
    -webkit-backdrop-filter: none; box-shadow: none; border: none;
    padding: 0; flex-shrink: 0;
}
html.tv-mode .top-bar::after { display: none; }
html.tv-mode .brand-row { margin-bottom: 0.6vh; gap: 0.6vw; }
html.tv-mode .brand-name { font-size: clamp(2rem, 3.4vw, 4.5rem); }
html.tv-mode .brand-mark { width: clamp(2rem, 3vw, 4rem); height: clamp(2rem, 3vw, 4rem); }
html.tv-mode .brand-tag  { font-size: clamp(0.9rem, 1.2vw, 1.7rem); }
html.tv-mode .top-meta {
    font-size: clamp(0.85rem, 1.15vw, 1.5rem);
    margin-bottom: 0.8vh; padding-bottom: 0.7vh;
}

html.tv-mode .top-bar .base-rates {
    display: grid; width: 100%; gap: 1.1vmin; flex-shrink: 0;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 19vw), 1fr));
}
html.tv-mode .secondary-bar {
    flex: 1; min-height: 0; padding: 0; margin: 0; border: none;
    display: flex; align-items: stretch;
}
html.tv-mode .secondary-bar .base-rates {
    display: grid; width: 100%; gap: 1.1vmin;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 15vw), 1fr));
    grid-auto-rows: 1fr;
}

html.tv-mode .rate-item {
    min-width: 0 !important; width: auto;
    padding: 1.1vmin 1.3vmin; border-radius: 1.3vmin;
    justify-content: center;
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)) !important;
    border: 1px solid var(--border-gold) !important;
}
html.tv-mode .rate-label  { font-size: clamp(1rem, 1.5vw, 2.3rem) !important; }
html.tv-mode .rate-val    { font-size: clamp(1.4rem, 2.5vw, 3.8rem) !important; }
html.tv-mode .trend-arrow { width: clamp(1.4rem, 2vw, 3rem) !important; height: clamp(1.4rem, 2vw, 3rem) !important; }
html.tv-mode .rate-min-max { font-size: clamp(0.7rem, 1vw, 1.5rem) !important; margin-top: 0.6vmin; padding-top: 0.6vmin; }
html.tv-mode .top-bar .rate-main-row { gap: 1vw; }

html.tv-mode .container { margin-top: 100vh; margin-top: 100dvh; position: relative; z-index: 10; }

html.tv-mode .install-card { display: none !important; }

@media (prefers-reduced-motion: reduce) {
    html.tv-mode .rates-hero { transition: opacity 0.2s ease; }
}

html.tv-mode .secondary-bar .rate-item {
    overflow: hidden; text-align: center; align-items: center;
}
html.tv-mode .secondary-bar .rate-main-row {
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5vmin;
    width: 100%; min-width: 0;
}
html.tv-mode .secondary-bar .rate-label {
    order: -1;
    width: 100%;
    text-align: center;
    line-height: 1.25;
    white-space: normal;
    font-size: clamp(0.8rem, 1.05vw, 1.7rem) !important;
}
html.tv-mode .secondary-bar .rate-val-content { justify-content: center; min-width: 0; }
html.tv-mode .secondary-bar .rate-val {
    font-size: clamp(1.15rem, 1.95vw, 2.9rem) !important;
    line-height: 1.1;
}
html.tv-mode .secondary-bar .trend-arrow {
    width: clamp(1.1rem, 1.6vw, 2.4rem) !important;
    height: clamp(1.1rem, 1.6vw, 2.4rem) !important;
}

/* ════════════════════════════════════════════════════════════════
   نمودار قیمت + پیمایش بین صفحات (v7)
   ════════════════════════════════════════════════════════════════ */
.zxc-wrap {
    background: linear-gradient(180deg, var(--bg-card), rgba(17,26,45,0.55));
    border: 1px solid var(--border-default);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card), var(--hl-top);
    padding: 1.1em 1.1em 0.9em;
    margin: 0.6em 0 1.6em;
    position: relative;
    overflow: hidden;
}
.zxc-wrap::before { content: ''; position: absolute; top: 0; right: 0; left: 0; height: 2px; background: var(--gold-grad); opacity: 0.5; }
.zxc-head { display: flex; flex-direction: column; gap: 0.85em; }
.zxc-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 1em; }
.zxc-name { font-size: 1.15em; font-weight: 800; color: var(--text-primary); }
.zxc-sub { font-size: 0.78em; color: var(--text-dim-dark); margin-top: 0.15em; }
.zxc-cur-box { text-align: left; direction: ltr; }
.zxc-cur { font-size: 1.5em; font-weight: 900; color: var(--text-primary); font-variant-numeric: tabular-nums; line-height: 1.1; }
.zxc-change { font-size: 0.82em; font-weight: 700; margin-top: 0.15em; font-variant-numeric: tabular-nums; }
.zxc-change.up { color: var(--up-light); }
.zxc-change.down { color: var(--down-light); }

.zxc-ranges { display: flex; gap: 0.4em; }
.zxc-rbtn {
    font-family: inherit; cursor: pointer; font-size: 0.82em; font-weight: 700;
    padding: 0.4em 0.95em; border-radius: 999px;
    background: rgba(255,255,255,0.04); color: var(--text-secondary);
    border: 1px solid var(--border-default); transition: all 0.2s;
}
.zxc-rbtn:hover { border-color: var(--border-gold); }
.zxc-rbtn.active { background: var(--gold-grad-soft); color: #1a1205; border-color: transparent; }

.zxc-plot { position: relative; margin: 0.9em 0 0.4em; }
.zxc-svg { width: 100%; height: 300px; display: block; touch-action: pan-y; }
.zxc-line { filter: drop-shadow(0 4px 10px rgba(0,0,0,0.35)); }
.zxc-grid { stroke: var(--border-default); stroke-width: 1; stroke-dasharray: 3 4; }
.zxc-axis { fill: var(--text-dim-dark); font-size: 11px; font-family: 'Vazirmatn', sans-serif; }
.zxc-hoverline { stroke: var(--accent-gold); stroke-width: 1; stroke-dasharray: 3 3; opacity: 0.7; }
.zxc-hoverdot { fill: var(--accent-gold); stroke: var(--bg-card); stroke-width: 2; }
.zxc-lastdot { filter: drop-shadow(0 0 6px currentColor); }
.zxc-tip {
    position: absolute; top: 6px; display: none; pointer-events: none;
    background: rgba(10,15,30,0.94); border: 1px solid var(--border-gold);
    border-radius: 10px; padding: 6px 10px; z-index: 5; backdrop-filter: blur(6px);
    box-shadow: 0 8px 24px -8px rgba(0,0,0,0.6); text-align: center; white-space: nowrap;
}
.zxc-tip b { display: block; color: var(--accent-gold); font-size: 0.95em; font-variant-numeric: tabular-nums; }
.zxc-tip span { display: block; color: var(--text-dim-dark); font-size: 0.72em; margin-top: 2px; }
.zxc-empty {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: var(--text-dim-dark); font-size: 0.92em; text-align: center; padding: 1em;
}

.zxc-metrics { display: flex; flex-wrap: wrap; gap: 0.45em; padding-top: 0.9em; margin-top: 0.5em; border-top: 1px solid var(--border-default); }
.zxc-mbtn {
    font-family: inherit; cursor: pointer; font-size: 0.82em; font-weight: 600;
    padding: 0.42em 0.85em; border-radius: 999px;
    background: rgba(255,255,255,0.03); color: var(--text-secondary);
    border: 1px solid var(--border-default); transition: all 0.2s; white-space: nowrap;
}
.zxc-mbtn:hover { border-color: var(--border-gold); color: var(--text-primary); }
.zxc-mbtn.active { background: rgba(244,201,93,0.14); color: var(--accent-gold); border-color: var(--border-gold); font-weight: 800; }

/* دکمه‌ی ورود به صفحه محصولات */
.products-cta {
    display: flex; align-items: center; gap: 0.9em; text-decoration: none;
    background: linear-gradient(180deg, var(--bg-card), rgba(17,26,45,0.5));
    border: 1px solid var(--border-gold); border-radius: var(--radius);
    padding: 1em 1.15em; margin: 0.4em 0 1em; box-shadow: var(--shadow-card), var(--hl-top);
    transition: transform 0.2s, border-color 0.3s, background 0.3s;
}
.products-cta:hover { transform: translateY(-2px); background: var(--bg-card-hover); border-color: rgba(244,201,93,0.45); }
.products-cta-ic { width: 2.6em; height: 2.6em; flex-shrink: 0; display: grid; place-items: center; border-radius: 12px; background: var(--theme_gold_bg); border: 1px solid var(--border-gold); color: var(--accent-gold); }
.products-cta-ic svg { width: 1.4em; height: 1.4em; }
.products-cta-txt { flex: 1; min-width: 0; }
.products-cta-txt b { display: block; font-size: 1.02em; font-weight: 800; color: var(--text-primary); }
.products-cta-txt small { display: block; font-size: 0.8em; color: var(--text-dim-dark); margin-top: 0.2em; }
.products-cta-arr { color: var(--accent-gold); font-size: 1.5em; font-weight: 900; }

/* دکمه‌ی بازگشت (صفحه محصولات) */
.back-cta { display: inline-flex; align-items: center; gap: 0.4em; text-decoration: none; color: var(--text-secondary); font-weight: 700; font-size: 0.92em; margin: 1.4em 0 0.4em; padding: 0.5em 1em; border-radius: 999px; border: 1px solid var(--border-default); background: rgba(255,255,255,0.03); transition: all 0.2s; }
.back-cta:hover { border-color: var(--border-gold); color: var(--accent-gold); }
.back-cta .back-arr { color: var(--accent-gold); font-size: 1.2em; font-weight: 900; }

@media (max-width: 600px) {
    .zxc-wrap { padding: 0.9em 0.75em 0.75em; border-radius: 14px; }
    .zxc-svg { height: 240px; }
    .zxc-cur { font-size: 1.25em; }
    .zxc-name { font-size: 1.05em; }
    .products-cta { padding: 0.85em 0.9em; }
    .products-cta-txt b { font-size: 0.95em; }
}