/* USDT checkout v1.3: independent, accessible UI; scoped to avoid changing native pay screens */
.zack-usdt-page{--zu-bg:#fff;--zu-ink:#17233b;--zu-secondary:#40516c;--zu-border:#d8e2ed;--zu-soft:#f2f6fa;--zu-green:#087956;max-width:1080px;padding:24px 18px 44px;color:var(--zu-ink);font-size:15px;line-height:1.55}
.zack-usdt-page *{box-sizing:border-box}
.zack-usdt-shell{background:var(--zu-bg);border:1px solid var(--zu-border);border-radius:22px;overflow:hidden;box-shadow:0 16px 40px rgba(20,38,63,.055)}
.zack-usdt-hero{background:linear-gradient(115deg,#092b27,#085646 68%,#0b7d65);color:#fff;padding:34px 38px 31px}
.zack-usdt-hero .zack-usdt-eyebrow{display:inline-flex;align-items:center;gap:9px;color:#d5ffec;font-size:13px;font-weight:750;letter-spacing:.055em}
.zack-usdt-dot{height:8px;width:8px;display:inline-block;border-radius:50%;background:#56e6a7;box-shadow:0 0 0 4px rgba(86,230,167,.12)}
.zack-usdt-hero h1{font-size:30px;line-height:1.25;color:#fff;margin:12px 0 10px;font-weight:800}
.zack-usdt-hero p{color:#e1f9ef!important;margin:0;font-size:15px;max-width:650px}
.zack-usdt-hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.zack-usdt-hero-tags span{font-size:12px;line-height:1.4;color:#ecfff9;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.19);padding:6px 12px;border-radius:20px}
.zack-usdt-content,.zack-usdt-history-panel{padding:26px 34px}.zack-usdt-history-panel{border-top:1px solid var(--zu-border)}
.zack-usdt-section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}.zack-usdt-section-heading h2{margin:0 0 4px;font-size:21px;font-weight:800;color:var(--zu-ink)}.zack-usdt-section-heading p{margin:0;color:var(--zu-secondary);font-size:13px}.zack-usdt-network{font-weight:750;font-size:12px;color:var(--zu-green);border:1px solid #93d9c0;border-radius:999px;padding:6px 12px}
.zack-usdt-tabs{display:flex;gap:8px;background:var(--zu-soft);padding:5px;border-radius:13px;margin-bottom:20px;max-width:430px}
.zack-usdt-tabs button{width:50%;border:0;border-radius:10px;padding:11px 16px;font-weight:750;color:var(--zu-secondary);background:transparent;cursor:pointer;font-size:15px}
.zack-usdt-tabs button[aria-selected="true"]{background:var(--zu-bg);color:var(--zu-green);box-shadow:0 2px 9px rgba(25,48,60,.11)}
.zack-usdt-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-bottom:19px}.zack-usdt-products [hidden]{display:none!important}
.zack-usdt-product{display:flex!important;flex-direction:column;align-items:flex-start!important;min-width:0;width:100%;min-height:180px;padding:18px!important;border:1.5px solid var(--zu-border)!important;border-radius:14px!important;background:var(--zu-bg)!important;text-align:left!important;white-space:normal!important;color:var(--zu-ink)!important;cursor:pointer!important;transition:border-color .15s,box-shadow .15s,transform .15s}
.zack-usdt-product:hover,.zack-usdt-product:focus-visible{border-color:#078660!important;box-shadow:0 8px 20px rgba(8,122,82,.12);transform:translateY(-2px)}.zack-usdt-product:disabled{opacity:.65;cursor:wait!important}
.zack-usdt-product-name{font-size:14px;font-weight:700;color:var(--zu-secondary)}.zack-usdt-product-price{font-size:29px;font-weight:850;line-height:1.25;letter-spacing:-.6px;margin:10px 0 8px;color:var(--zu-ink)}.zack-usdt-product-price small{font-size:13px;font-weight:750;letter-spacing:0;color:var(--zu-secondary)}.zack-usdt-product-detail{font-size:13px;color:var(--zu-secondary)}.zack-usdt-product-action{font-weight:750;font-size:13px;color:var(--zu-green);margin-top:auto;padding-top:12px}
.zack-usdt-notice{display:flex;align-items:flex-start;gap:10px;border-radius:12px;background:#eff8f4;border:1px solid #bfdfd2;padding:13px 15px;color:#164f40;font-size:13px}.zack-usdt-notice>span{font-size:21px;line-height:1}.zack-usdt-notice p{margin:0;color:#164f40}
.zack-usdt-empty{text-align:center;padding:45px 24px}.zack-usdt-empty h2{font-size:22px;color:var(--zu-ink);margin:0 0 10px}.zack-usdt-empty p{color:var(--zu-secondary)}.zack-usdt-primary{display:inline-block;background:#087956;border:0;border-radius:10px;color:#fff!important;font-size:15px;font-weight:800;line-height:1.4;padding:12px 22px;text-decoration:none!important;cursor:pointer}.zack-usdt-primary:hover{background:#066249;color:#fff}
#zack-usdt-active{margin:0 34px}#zack-usdt-active:empty{display:none}.zack-usdt-checkout{border:1px solid #9ed3bd;border-radius:17px;background:var(--zu-soft);padding:22px 24px;margin:2px 0 28px}.zack-usdt-checkout h2{font-size:20px;font-weight:800;color:var(--zu-ink);margin:0}.zack-usdt-checkout p{font-size:14px;color:var(--zu-secondary);margin:0}.zack-usdt-checkout-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:18px}.zack-usdt-order-number{font-size:12px;overflow-wrap:anywhere;color:var(--zu-secondary)}.zack-usdt-status-pill{display:inline-block;font-size:13px;border-radius:999px;padding:6px 12px;font-weight:800;background:#fff1cc;color:#7b5209}.zack-usdt-status-pill.is-paid{background:#ddf8e9;color:#12633f}.zack-usdt-status-pill.is-expired,.zack-usdt-status-pill.is-manual{background:#fce5e5;color:#8d2424}
.zack-usdt-amount-area{background:var(--zu-bg);border:1px solid var(--zu-border);border-radius:14px;padding:19px 20px;margin-bottom:18px}.zack-usdt-label{display:block;color:var(--zu-secondary);font-size:13px;font-weight:700;margin-bottom:8px}.zack-usdt-amount-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.zack-usdt-amount{font-size:31px;line-height:1.25;color:var(--zu-ink);font-weight:850;letter-spacing:-.4px;overflow-wrap:anywhere}.zack-usdt-amount-unit{color:var(--zu-green);font-size:14px;font-weight:800}.zack-usdt-warning{font-size:13px!important;color:#93550f!important;margin-top:8px!important}
.zack-usdt-payment-grid{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:18px;align-items:stretch}.zack-usdt-payment-meta{display:flex;flex-direction:column;min-width:0;gap:14px}.zack-usdt-address-block{background:var(--zu-bg);padding:15px;border:1px solid var(--zu-border);border-radius:13px}.zack-usdt-address{display:block!important;white-space:normal;overflow-wrap:anywhere;word-break:break-all;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;line-height:1.65;color:var(--zu-ink);background:none!important;border:0!important;padding:0!important;margin:0 0 12px;user-select:all}.zack-usdt-checkout .zack-usdt-copy{background:#e3f5ec!important;border:1px solid #a0d8bf!important;color:#075c43!important;padding:9px 15px!important;border-radius:9px!important;font-weight:800;font-size:13px!important;cursor:pointer}.zack-usdt-copy:focus-visible,.zack-usdt-tabs button:focus-visible{outline:3px solid #52b994;outline-offset:2px}.zack-usdt-timing{font-weight:650;font-size:14px;color:var(--zu-ink)}.zack-usdt-qr{background:#fff;border:1px solid var(--zu-border);border-radius:14px;padding:14px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}.zack-usdt-qr svg{width:160px;height:160px;max-width:100%;display:block;background:#fff}.zack-usdt-qr span{font-size:12px;color:#3d4f5d;margin-top:8px}.zack-usdt-post-note{font-size:12px!important;margin-top:17px!important;line-height:1.65}.zack-usdt-success{background:#dff8e9;color:#0a5d3c;padding:14px;border-radius:12px;font-weight:750}
.zack-usdt-order-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:15px;padding:15px 0;border-bottom:1px solid var(--zu-border)}.zack-usdt-order-row:last-child{border-bottom:0}.zack-usdt-order-row .zack-usdt-order-info{display:flex;flex-direction:column;gap:2px;min-width:0}.zack-usdt-order-row strong{color:var(--zu-ink);font-size:15px;overflow-wrap:anywhere}.zack-usdt-order-row small{color:var(--zu-secondary);font-size:12px}.zack-usdt-order-row .zack-usdt-view{border:1px solid var(--zu-border)!important;color:var(--zu-ink)!important;background:var(--zu-bg)!important;border-radius:9px!important;padding:8px 14px!important;cursor:pointer}.zack-usdt-order-row .zack-usdt-view:hover{border-color:var(--zu-green)!important;color:var(--zu-green)!important}
.zack-usdt-vip-entry{margin-top:12px}.zack-usdt-vip-entry .zack-usdt-vip-method{display:flex;align-items:center;gap:11px;text-decoration:none!important;border:1.5px solid #89d1b1;border-radius:12px;background:rgba(19,160,110,.075);color:#09684d!important;padding:13px 15px}.zack-usdt-vip-method strong{display:block;font-size:15px;line-height:1.4}.zack-usdt-vip-method small{display:block;font-size:12px;line-height:1.5;color:var(--main-color,#44546d);opacity:1!important}.zack-usdt-vip-mark{display:grid;place-items:center;flex-shrink:0;border-radius:50%;width:36px;height:36px;color:#fff;background:#15996d;font-size:21px;font-weight:900}.zack-usdt-vip-arrow{margin-left:auto;color:#087956;font-weight:bold;font-size:18px}
.dark-theme .zack-usdt-page{--zu-bg:#1b222a;--zu-ink:#f2f6fa;--zu-secondary:#c6d4e2;--zu-border:#455563;--zu-soft:#27323c;--zu-green:#61e1ac}
.dark-theme .zack-usdt-page .zack-usdt-notice{background:#173e32;border-color:#316955;color:#c2ffe2}.dark-theme .zack-usdt-page .zack-usdt-notice p{color:#c2ffe2}.dark-theme .zack-usdt-page .zack-usdt-status-pill{color:#68440b}.dark-theme .zack-usdt-page .zack-usdt-status-pill.is-paid{color:#12633f}.dark-theme .zack-usdt-page .zack-usdt-status-pill.is-expired,.dark-theme .zack-usdt-page .zack-usdt-status-pill.is-manual{color:#8d2424}.dark-theme .zack-usdt-page .zack-usdt-warning{color:#f3c386!important}.dark-theme .zack-usdt-page .zack-usdt-success{background:#1e4939;color:#c2ffe2}
.dark-theme .zack-usdt-vip-entry .zack-usdt-vip-method{background:rgba(19,160,110,.16);border-color:#458c72;color:#9cf8d0!important}.dark-theme .zack-usdt-vip-entry .zack-usdt-vip-method small{color:#d0e0ea}
@media(max-width:767px){.zack-usdt-page{padding:12px 10px 36px;font-size:14px}.zack-usdt-shell{border-radius:16px}.zack-usdt-hero{padding:25px 20px}.zack-usdt-hero h1{font-size:24px}.zack-usdt-content,.zack-usdt-history-panel{padding:21px 16px}.zack-usdt-section-heading h2{font-size:19px}.zack-usdt-products{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.zack-usdt-product{min-height:165px;padding:14px!important}.zack-usdt-product-price{font-size:24px}.zack-usdt-product-detail{font-size:12px}.zack-usdt-tabs{max-width:100%}#zack-usdt-active{margin:0 15px}.zack-usdt-checkout{padding:16px 13px}.zack-usdt-payment-grid{grid-template-columns:1fr}.zack-usdt-qr{order:-1;width:max-content;max-width:100%;margin:auto}.zack-usdt-amount{font-size:25px}.zack-usdt-order-row{grid-template-columns:minmax(0,1fr) auto;gap:7px}.zack-usdt-order-row .zack-usdt-view{grid-column:2;grid-row:1 / span 2}.zack-usdt-order-row .zack-usdt-status-pill{justify-self:start;font-size:11px}}
@media(max-width:370px){.zack-usdt-products{grid-template-columns:1fr}.zack-usdt-product{min-height:145px}.zack-usdt-hero-tags span{font-size:11px}}

/* v1.5: USDT shares the standard VIP payment selector; flexible wrapping for 4 methods. */
.zack-usdt-vip-payment-methods{display:flex!important;flex-wrap:wrap;gap:7px}
.zack-usdt-vip-payment-methods .payment-method-radio{flex:1 1 calc(25% - 7px);min-width:72px;max-width:100%;margin:0!important;padding:8px 4px!important;text-align:center}
.zack-usdt-vip-payment-methods .payment-method-radio[data-value="usd"]{border-color:rgba(26,159,110,.3);border-radius:8px}
.zack-usdt-vip-payment-methods .payment-method-radio[data-value="usd"].active{border-color:#15996d;color:#087956;background:rgba(16,153,106,.09)}
.zack-usdt-vip-payment-methods .payment-method-radio .zack-usdt-method-icon{width:25px;height:25px;border-radius:50%;margin:auto;background:#15996d;color:white;display:inline-flex;align-items:center;justify-content:center;font-size:19px;font-weight:900;line-height:1}
.dark-theme .zack-usdt-vip-payment-methods .payment-method-radio[data-value="usd"].active{color:#80f3c8;background:rgba(19,160,110,.2)}
@media(max-width:479px){.zack-usdt-vip-payment-methods .payment-method-radio{flex-basis:calc(25% - 7px);min-width:0;font-size:12px;padding:7px 2px!important}}