@font-face {
    font-family: "IRANSansXFaNum";
    src: url("/asset/fonts/IRANSansXFaNum-regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "IRANSansXFaNum";
    src: url("/asset/fonts/IRANSansXFaNum-medium.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "IRANSansXFaNum";
    src: url("/asset/fonts/IRANSansXFaNum-bold.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-soft: #f9fbff;
    --ink: #0b1220;
    --muted: #667085;
    --line: #e4e7ec;
    --black: #111827;
    --blue: #2563eb;
    --blue-soft: #eff6ff;
    --green: #16a34a;
    --green-soft: #ecfdf3;
    --red: #ef4444;
    --red-soft: #fef2f2;
    --shadow: 0 22px 60px rgba(15, 23, 42, .08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: "IRANSansXFaNum", Tahoma, sans-serif;
    background:
            radial-gradient(circle at 12% 6%, rgba(37, 99, 235, .12), transparent 28rem),
            radial-gradient(circle at 92% 18%, rgba(22, 163, 74, .1), transparent 24rem),
            linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background-image: linear-gradient(rgba(15, 23, 42, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(15, 23, 42, .035) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

button {
    font: inherit;
}

h1,
h2,
p {
    margin: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.brand-strip {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: clamp(18px, 3vw, 26px);
    border: 1px solid var(--line);
    border-radius: 32px;
    background: rgba(255, 255, 255, .9);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.gold-icon {
    display: grid;
    flex: 0 0 auto;
    width: 72px;
    height: 72px;
    place-items: center;
    border-radius: 24px;
    background: linear-gradient(145deg, #fff7cc, #f2c94c);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .82), 0 14px 28px rgba(15, 23, 42, .1);
}

.gold-icon svg {
    width: 44px;
    height: 44px;
    fill: #9a6a00;
}

.brand-strip h1 {
    margin-bottom: 8px;
}

.brand-strip p {
    color: var(--muted);
    line-height: 1.8;
}

.gold-page {
    display: grid;
    gap: 22px;
    width: min(1080px, calc(100% - 28px));
    margin: 0 auto;
    padding: clamp(18px, 4vw, 44px) 0 48px;
}

.price-hero {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(220px, .72fr);
    gap: 16px;
}

.price-card,
.meta-card,
.chart-card {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .9);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.price-card {
    position: relative;
    display: grid;
    gap: 10px;
    min-height: 170px;
    padding: 24px;
    overflow: hidden;
    border-radius: 30px;
}

.price-card::after {
    position: absolute;
    inset: auto auto -44px -28px;
    width: 138px;
    height: 138px;
    border-radius: 50%;
    content: "";
    background: var(--blue-soft);
}

.sell-card::after {
    background: var(--red-soft);
}

.buy-card {
    border-color: #bbf7d0;
}

.sell-card {
    border-color: #fecaca;
}

.card-label,
.meta-card span,
.chart-kicker,
.trend-summary {
    color: var(--muted);
}

.price-card strong {
    position: relative;
    z-index: 1;
    align-self: end;
    font-size: clamp(34px, 7vw, 58px);
    line-height: 1;
    letter-spacing: -1px;
}

.price-card small {
    position: relative;
    z-index: 1;
    color: var(--muted);
    font-weight: 700;
}

.buy-card strong {
    color: var(--green);
}

.sell-card strong {
    color: var(--red);
}

.meta-card {
    display: grid;
    align-content: center;
    gap: 10px;
    min-height: 170px;
    padding: 24px;
    border-radius: 30px;
    background: linear-gradient(145deg, #0b1220, #1f2937);
    color: #ffffff;
}

.meta-card span {
    color: rgba(255, 255, 255, .66);
}

.meta-card strong {
    font-size: 20px;
    line-height: 1.7;
}

.channel-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.channel-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 96px;
    padding: 18px 20px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 28px;
    color: var(--ink);
    text-decoration: none;
    background: rgba(255, 255, 255, .9);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.channel-link::after {
    position: absolute;
    inset: auto auto -48px -38px;
    width: 128px;
    height: 128px;
    border-radius: 50%;
    content: "";
    opacity: .58;
    transition: transform .18s ease, opacity .18s ease;
}

.channel-link:hover::after {
    opacity: .74;
    transform: translate(8px, -6px);
}

.channel-link > span:last-child {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 5px;
    min-width: 0;
}

.channel-link strong {
    color: var(--black);
    font-size: 18px;
}

.channel-link small {
    direction: ltr;
    color: var(--muted);
    font-size: 14px;
    text-align: right;
    overflow-wrap: anywhere;
}

.channel-icon {
    position: relative;
    z-index: 1;
    display: grid;
    flex: 0 0 auto;
    width: 54px;
    height: 54px;
    place-items: center;
    border-radius: 20px;
    color: #ffffff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .42), 0 12px 24px rgba(15, 23, 42, .1);
}

.channel-icon svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
}

.telegram-link {
    border-color: #bfdbfe;
}

.telegram-link::after {
    background: var(--blue-soft);
}

.telegram-link .channel-icon {
    background: linear-gradient(145deg, #38bdf8, var(--blue));
}

.bale-link {
    border-color: #bbf7d0;
}

.bale-link::after {
    background: var(--green-soft);
}

.bale-link .channel-icon {
    background: linear-gradient(145deg, #34d399, var(--green));
}

.chart-card {
    display: grid;
    gap: 18px;
    padding: clamp(18px, 3.5vw, 30px);
    border-radius: 34px;
}

.chart-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.chart-kicker {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 800;
}

h1,
.chart-top h2 {
    color: var(--black);
    font-size: clamp(26px, 4.5vw, 42px);
    line-height: 1.25;
}

.chart-tabs {
    display: inline-flex;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #f2f4f7;
}

.chart-tab {
    min-width: 92px;
    min-height: 42px;
    border: 0;
    border-radius: 999px;
    color: var(--muted);
    cursor: pointer;
    background: transparent;
    font-weight: 800;
}

.chart-tab.is-active {
    color: #ffffff;
    background: var(--blue);
    box-shadow: 0 8px 22px rgba(37, 99, 235, .22);
}

canvas {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: linear-gradient(180deg, var(--surface-soft), #ffffff);
}

.trend-summary {
    min-height: 28px;
    line-height: 1.8;
}

.promo-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.promo-card {
    display: grid;
    gap: 10px;
    min-height: 150px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: rgba(255, 255, 255, .9);
    box-shadow: var(--shadow);
}

.promo-card h2 {
    color: var(--black);
    font-size: 19px;
    line-height: 1.5;
}

.promo-card p {
    color: var(--muted);
    line-height: 1.9;
}

.promo-card:nth-child(1) {
    border-color: #bbf7d0;
}

.promo-card:nth-child(2) {
    border-color: #bfdbfe;
}

.promo-card:nth-child(3) {
    border-color: #fecaca;
}

.offline-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 20px;
}

.offline-card {
    display: grid;
    justify-items: center;
    gap: 16px;
    max-width: 440px;
    padding: 32px;
    border: 1px solid var(--line);
    border-radius: 32px;
    text-align: center;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.brand-mark {
    display: inline-grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 16px;
    background: var(--blue);
    color: #ffffff;
    font-weight: 900;
}

.primary-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 24px;
    border-radius: 999px;
    color: #ffffff;
    text-decoration: none;
    background: var(--black);
}

@media (max-width: 860px) {
    .price-hero {
        grid-template-columns: 1fr 1fr;
    }

    .promo-grid {
        grid-template-columns: 1fr;
    }

    .channel-strip {
        grid-template-columns: 1fr;
    }

    .meta-card {
        grid-column: 1 / -1;
        min-height: 112px;
    }
}

@media (max-width: 620px) {
    .gold-page {
        width: min(100% - 18px, 1080px);
        gap: 14px;
    }

    .price-hero {
        grid-template-columns: 1fr;
    }

    .price-card,
    .meta-card {
        min-height: 136px;
        padding: 20px;
        border-radius: 24px;
    }

    .chart-card {
        border-radius: 26px;
    }

    .chart-top {
        display: grid;
    }

    .brand-strip {
        align-items: flex-start;
        border-radius: 26px;
    }

    .gold-icon {
        width: 58px;
        height: 58px;
        border-radius: 20px;
    }

    .gold-icon svg {
        width: 36px;
        height: 36px;
    }

    .chart-tabs,
    .chart-tab {
        width: 100%;
    }
}