.premium-arena-card {
    background:
        radial-gradient(circle at 92% 9%, rgba(22,160,141,.12), transparent 8rem),
        radial-gradient(circle at 8% 96%, rgba(239,68,91,.07), transparent 8rem),
        linear-gradient(142deg, #fff, #f0faf6 58%, #e5f6ef);
}
.premium-arena-card .arena-card-glow {
    background: conic-gradient(from -90deg, #21b77e 0 49%, #fff 49% 51%, #e6464e 51% 100%);
}
.arena-launch-visual {
    position: relative;
    z-index: 1;
    aspect-ratio: 16 / 9;
    margin: 1px 0 0;
    overflow: hidden;
    border: 1px solid rgba(7,95,88,.12);
    border-radius: 17px;
    background: #edf7f3;
    box-shadow: inset 0 1px rgba(255,255,255,.9), 0 12px 26px rgba(14,75,68,.1);
}
.arena-launch-visual > img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.arena-launch-visual > figcaption {
    position: absolute;
    inset-inline: 9px;
    bottom: 9px;
    display: grid;
    gap: 2px;
    max-width: calc(100% - 18px);
    padding: 7px 9px;
    color: #123e3d;
    border: 1px solid rgba(255,255,255,.72);
    border-radius: 11px;
    background: rgba(255,255,255,.84);
    backdrop-filter: blur(10px);
    box-shadow: 0 6px 16px rgba(12,61,58,.12);
}
.arena-launch-visual > figcaption strong { color: #087b70; font-size: 9.5px; letter-spacing: .075em; }
.arena-launch-visual > figcaption span { overflow: hidden; font-size: 11px; font-weight: 800; line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }
.arena-rule-strip { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; }
.arena-rule-strip > span {
    display: grid;
    grid-template-columns: 14px minmax(0,1fr) auto;
    align-items: center;
    gap: 6px;
    min-height: 43px;
    padding: 7px 9px;
    color: #36585a;
    border: 1px solid rgba(7,95,88,.1);
    border-radius: 13px;
    background: rgba(255,255,255,.76);
    font-size: 10.5px;
    font-weight: 800;
}
.arena-rule-strip i { display: grid; place-items: center; width: 14px; height: 14px; color: #08786d; border-radius: 50%; background: #e6464e; font-style: normal; font-size: 9px; }
.arena-rule-strip .red i { box-shadow: 7px 0 0 #1aae79; transform: translateX(-3px); }
.arena-rule-strip .number i { color: #fff; background: #0b8779; }
.arena-rule-strip b { color: #0b746a; font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.arena-guide-visual {
    display: block;
    width: calc(100% - 20px);
    height: auto;
    max-height: none;
    margin: 0 10px 9px;
    object-fit: contain;
    border: 1px solid rgba(7,95,88,.1);
    border-radius: 12px;
    background: #f8f7ef;
}
@media (max-width: 350px) {
    .arena-rule-strip { grid-template-columns: 1fr; }
    .arena-launch-visual > figcaption span { font-size: 10px; }
}

/* current-i-arena-access-ui-telegram-20260821-hotfix-01 */
.premium-arena-card.simo-game-card {
    grid-template-columns: minmax(0, 1fr);
}
.premium-arena-card.simo-game-card > * {
    grid-column: 1 / -1;
    min-width: 0;
}
.premium-arena-card.simo-game-card > form {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
}