:root{--bg: #0a0a0b;--surface: #1c1c1e;--surface-2: #2c2c2e;--border: #3a3a3c;--text: #ffffff;--text-muted: #8e8e93;--accent: #ffffff;--radius: 14px;--radius-lg: 22px;--safe-bottom: env(safe-area-inset-bottom, 0px);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit;color:inherit}.pay-page{min-height:100dvh;max-width:430px;margin:0 auto;display:flex;flex-direction:column;background:var(--bg)}.pay-header{padding:calc(12px + env(safe-area-inset-top,0px)) 20px 8px;text-align:center}.pay-header__title{margin:0;font-size:17px;font-weight:600;letter-spacing:.02em}.pay-main{flex:1;padding:8px 20px 120px;display:flex;flex-direction:column;gap:20px}.field{display:flex;flex-direction:column;gap:8px}.field__label{font-size:14px;color:var(--text-muted);font-weight:500}.field__hint{margin:0;font-size:13px;color:var(--text-muted)}.amount-box{display:flex;align-items:center;background:var(--surface);border-radius:var(--radius);padding:14px 16px;gap:12px}.amount-box__input{flex:1;border:none;background:transparent;font-size:22px;font-weight:500;outline:none;min-width:0}.amount-box__input::placeholder{color:#636366}.amount-box__token{font-size:16px;font-weight:700;white-space:nowrap}.select-box{width:100%;display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:none;border-radius:var(--radius);padding:12px 14px;cursor:pointer}.select-box__left{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600}.select-box__icon{width:28px;height:28px;border-radius:50%;object-fit:cover}.select-box__icon--placeholder{display:inline-block;background:var(--surface-2)}.select-box__chevron{color:var(--text-muted)}.address-box{display:flex;align-items:center;gap:8px;background:var(--surface);border-radius:var(--radius);padding:14px 12px 14px 16px}.address-box__text{flex:1;font-size:14px;word-break:break-all;line-height:1.4;color:#e5e5ea}.address-box__copy{flex-shrink:0;border:none;background:transparent;color:var(--text-muted);padding:6px;cursor:pointer;display:flex;align-items:center;justify-content:center}.qr-section{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:4px}.qr-section__title{margin:0;font-size:14px;color:var(--text-muted)}.qr-section__card{background:#fff;border-radius:12px;padding:16px;display:flex;align-items:center;justify-content:center;min-height:232px;min-width:232px}.qr-section__placeholder{width:200px;height:200px;background:#f2f2f7;border-radius:8px}.qr-section__hint{margin:0;font-size:12px;color:#636366}.pay-footer{position:fixed;left:0;right:0;bottom:0;max-width:430px;margin:0 auto;padding:12px 20px calc(16px + var(--safe-bottom));background:linear-gradient(180deg,transparent 0%,var(--bg) 24%)}.pay-footer__status{margin:0 0 10px;font-size:12px;color:#ffd60a;text-align:center;word-break:break-all}.pay-btn{width:100%;border:none;border-radius:999px;padding:16px;font-size:16px;font-weight:600;background:var(--accent);color:#000;cursor:pointer}.pay-btn:disabled{opacity:.6;cursor:not-allowed}.sheet-backdrop{position:fixed;inset:0;background:#0000008c;border:none;z-index:40}.network-sheet{position:fixed;left:50%;transform:translate(-50%);bottom:calc(16px + var(--safe-bottom));width:min(390px,calc(100% - 32px));margin:0;padding:8px;list-style:none;background:var(--surface-2);border-radius:var(--radius-lg);z-index:50;max-height:50vh;overflow:auto}.network-sheet__item{width:100%;display:flex;align-items:center;gap:10px;padding:14px 12px;border:none;background:transparent;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer}.network-sheet__item.is-active{background:var(--surface)}.state-box{margin:40px 20px;text-align:center;color:var(--text-muted);font-size:15px}.state-box--error{color:#ff6b6b}.state-box__retry{margin-top:16px;padding:10px 24px;border-radius:999px;border:1px solid var(--border);background:var(--surface);cursor:pointer}