:root{--bg: #0a0a0a;--surface: #141414;--surface2: #1c1c1c;--border: #2a2a2a;--orange: #FF5C00;--white: #f0ede8;--gray: #666;--green: #06C755;--red: #e74c3c}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,Hiragino Kaku Gothic ProN,sans-serif;background:var(--bg);color:var(--white);min-height:100dvh}.wrap{max-width:480px;margin:0 auto;padding:24px 18px}.logo{font-size:24px;font-weight:900;color:var(--orange)}.logo span{color:var(--white);font-weight:300}.badge{font-size:11px;padding:4px 10px;border-radius:20px;border:1px solid var(--border);color:var(--gray);font-family:DM Mono,monospace}.badge.line{color:var(--green);border-color:var(--green)}.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:22px;margin-bottom:16px}.row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}.row:last-child{border-bottom:none}.row .key{font-size:13px;color:var(--gray)}.row .val{font-size:15px;font-weight:600}.btn{width:100%;padding:15px;border:none;border-radius:12px;font-size:16px;font-weight:700;cursor:pointer;transition:transform .1s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--orange);color:#fff}.btn-ghost{background:var(--surface2);color:var(--white);border:1px solid var(--border)}.msg{padding:14px 16px;border-radius:12px;font-size:14px;line-height:1.6}.msg.error{background:#e74c3c1a;border:1px solid var(--red);color:var(--red)}.msg.info{background:var(--surface2);border:1px solid var(--border);color:var(--gray)}.center{text-align:center}.mt{margin-top:16px}.muted{color:var(--gray);font-size:13px}.scan-view{position:relative;width:100%;aspect-ratio:1 / 1;background:#000;border:1px solid var(--border);border-radius:18px;overflow:hidden;margin-bottom:16px;display:flex;align-items:center;justify-content:center}.scan-video{width:100%;height:100%;object-fit:cover}.scan-placeholder{position:absolute;color:var(--gray);font-size:15px}.scan-hint{position:absolute;bottom:16px;left:0;right:0;text-align:center;color:var(--green);font-size:13px}.scan-guide{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:78%;height:34%;border:2px solid var(--orange);border-radius:12px;box-shadow:0 0 0 2000px #00000059;pointer-events:none}.scan-guide:before,.scan-guide:after{content:"";position:absolute;left:8%;right:8%;height:2px;background:#ff5c00b3}.scan-guide:before{top:50%}.cart-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.cart-title{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--gray);text-transform:uppercase}.cart-count{font-size:13px;color:var(--orange);font-weight:600}.cart-empty{text-align:center;padding:32px 20px;color:var(--gray);font-size:14px}.cart-list{display:flex;flex-direction:column;gap:8px}.cart-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:10px}.ci-main{flex:1;min-width:0}.ci-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ci-sub{font-size:11px;color:var(--gray);margin-top:2px}.ci-qty{display:flex;align-items:center;gap:8px}.qty-btn{width:28px;height:28px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--white);font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer}.qty-btn:active{background:var(--surface)}.qty-num{min-width:20px;text-align:center;font-size:15px;font-weight:600}.ci-subtotal{font-size:15px;font-weight:700;min-width:60px;text-align:right}.ci-remove{background:none;border:none;color:var(--gray);font-size:20px;cursor:pointer;padding:0 2px;line-height:1}.checkout-bar{position:fixed;bottom:0;left:0;right:0;background:#0a0a0af5;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:14px 18px calc(14px + env(safe-area-inset-bottom));z-index:100}.checkout-inner{max-width:480px;margin:0 auto}.checkout-total{display:flex;align-items:baseline;gap:8px;margin-bottom:8px}.total-label{font-size:13px;color:var(--white)}.total-tax{font-size:11px;color:var(--gray)}.total-amount{margin-left:auto;font-size:22px;font-weight:700;color:var(--orange)}.btn-checkout{margin-top:0}.role-picker{display:flex;gap:8px;margin-top:8px}.role-btn{flex:1;padding:10px 8px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--gray);font-size:13px;cursor:pointer;transition:all .15s}.role-btn.active{border-color:var(--orange);color:var(--orange);background:#ff5c0014;font-weight:600}.invite-url{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px;font-size:12px;font-family:monospace;word-break:break-all;color:var(--white);line-height:1.5;-webkit-user-select:all;user-select:all}.scan-guide-qr{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:62%;aspect-ratio:1 / 1;border:2px solid var(--orange);border-radius:16px;box-shadow:0 0 0 2000px #00000059;pointer-events:none}.section-title{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--gray);text-transform:uppercase;margin-bottom:6px}.qr-wrap{display:flex;flex-direction:column;align-items:center;margin:16px 0}.qr-box{background:#fff;padding:12px;border-radius:12px;display:inline-flex;line-height:0}.qr-caption{font-size:12px;color:var(--gray);margin-top:8px;text-align:center}.select{width:100%;padding:12px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--white);font-size:14px}.member-bar{display:flex;align-items:center;gap:12px;padding:12px 14px;margin-bottom:16px;background:#06c75514;border:1px solid var(--green);border-radius:12px}.member-info{flex:1;min-width:0}.member-name{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-tag{flex-shrink:0;font-size:11px;font-weight:400;padding:2px 8px;border-radius:999px;background:var(--surface2);color:var(--gray);border:1px solid var(--border)}.member-sub{font-size:12px;color:var(--gray);margin-top:3px}.member-unlink{flex-shrink:0;padding:8px 14px;border-radius:10px;background:transparent;border:1px solid var(--border);color:var(--gray);font-size:13px;cursor:pointer}.member-unlink:active{transform:scale(.96)}.link-error{padding:14px;margin-bottom:16px;background:#e74c3c1a;border:1px solid var(--red);border-radius:12px}.link-error-msg{font-size:14px;line-height:1.6;color:var(--red);margin-bottom:12px}.link-error-actions{display:flex;gap:8px}.link-error-actions .btn{padding:12px;font-size:14px}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#000000b3;display:flex;align-items:flex-end;justify-content:center}.sheet{width:100%;max-width:480px;padding:20px 18px calc(20px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border);border-radius:20px 20px 0 0;max-height:92dvh;overflow-y:auto}.sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.sheet-title{font-size:17px;font-weight:700}.sheet-close{width:36px;height:36px;border-radius:50%;background:var(--surface2);border:1px solid var(--border);color:var(--white);font-size:20px;line-height:1;cursor:pointer}