/* Variante visual inspirada en iOS 18: tintes del sistema, vidrio y squircles. */
.sheet-channels span{width:62px;height:62px;border-radius:19px;border:1px solid rgba(0,0,0,.06);box-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 7px 18px rgba(0,0,0,.08);backdrop-filter:blur(14px)}.sheet-channels a:nth-child(1) span{color:#1677ff;background:linear-gradient(145deg,#f8fbff,#e6f0ff);border-color:#b8d5ff}.sheet-channels a:nth-child(2) span{color:#fff;background:linear-gradient(145deg,#4b9cff,#0878f9);border-color:#70adff}.sheet-channels a:nth-child(3) span{color:#fff;background:linear-gradient(145deg,#52e979,#21b64b);border-color:#78ee92}.sheet-channels span:before{width:30px;height:30px}.sheet-channels small{font-weight:650;color:#666}.sheet-round-actions span{width:64px;height:64px;color:#171717;background:rgba(242,242,247,.82);border:1px solid rgba(0,0,0,.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 7px 20px rgba(0,0,0,.09);backdrop-filter:blur(18px)}.sheet-round-actions span:before{width:27px;height:27px}.sheet-round-actions a:hover span,.sheet-round-actions button:hover span{color:#0878f9;background:#eaf3ff}.link-capsule{background:rgba(242,242,247,.88);border:1px solid rgba(0,0,0,.05);box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}.wallet-preview{background:linear-gradient(180deg,#27272a,#08080a);box-shadow:inset 0 1px 0 #4a4a4e,0 10px 24px rgba(0,0,0,.18)}.wallet-mark{width:42px;height:36px;border-radius:10px;background:linear-gradient(145deg,#fff,#e7e7ec);display:grid;place-items:center;color:#171717}.wallet-mark:before{width:25px;height:19px;border-color:#171717;box-shadow:inset 0 4px 0 #ffcc00}.app-tabbar{background:rgba(248,248,250,.82);border-color:rgba(0,0,0,.07);box-shadow:0 15px 55px rgba(0,0,0,.16),inset 0 1px 0 rgba(255,255,255,.9)}.app-tabbar>a{color:#8e8e93}.app-tabbar>a.active{color:#0878f9;background:rgba(0,122,255,.1)}.app-tabbar>a.active .tab-icon{filter:drop-shadow(0 2px 4px rgba(0,122,255,.22))}.share-fab{background:linear-gradient(145deg,#4b9cff,#0878f9);border-color:rgba(248,248,250,.96);box-shadow:0 11px 28px rgba(0,122,255,.4),inset 0 1px 0 rgba(255,255,255,.35)}.round-close{color:#636366;background:rgba(229,229,234,.82);backdrop-filter:blur(12px)}