:root{--red:#d92d20;--red-dark:#a7160c;--ink:#181513;--cream:#f6f0e6;--paper:#fffdf9;--line:#d8d0c4;--green:#0b6b45}*{box-sizing:border-box}html{background:var(--cream);color:var(--ink);font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif}body{min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer;border:0;min-height:48px;font-weight:800}button:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #151515}.shell{width:min(860px,100% - 32px);margin-inline:auto}.action-header{background:var(--red);color:#fff;border-bottom:8px solid var(--red-dark);padding:34px 0 38px}.eyebrow,.panel-label{letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px;font-size:.78rem;font-weight:900}.action-header h1{letter-spacing:-.04em;max-width:750px;margin:0;font-size:clamp(2rem,8vw,4.4rem);line-height:.98}.action-header p:last-child{max-width:650px;margin:18px 0 0;font-size:1.05rem;line-height:1.6}.page-stack{gap:18px;padding:24px 0 52px;display:grid}.redeem-panel,.status-panel,.primary-panel,.waiting-panel,.otp-panel,.help-panel{background:var(--paper);border:2px solid var(--ink);box-shadow:7px 7px 0 var(--ink);padding:clamp(20px,5vw,36px)}.redeem-panel form{gap:12px;display:grid}.redeem-panel label{font-size:1.1rem;font-weight:900}.redeem-panel input{border:2px solid var(--ink);letter-spacing:.08em;text-transform:uppercase;min-height:58px;padding:0 16px;font-size:1.1rem;font-weight:800}.redeem-panel button,.replace-box button,.otp-panel button{background:var(--ink);color:#fff;padding:13px 20px}.redeem-panel button:disabled,button:disabled{opacity:.58;cursor:wait}.copy-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.big-value{letter-spacing:-.03em;overflow-wrap:anywhere;font-size:clamp(1.75rem,7vw,3.8rem)}.copy-button{background:var(--red);color:#fff;padding:12px 18px}.country-note{background:#fff0c7;border-left:7px solid #e1a600;margin-top:22px;padding:18px;line-height:1.55}.country-note p{margin:8px 0 0}.waiting-panel{text-align:center}.timer{font-variant-numeric:tabular-nums;margin:22px 0 12px;font-size:clamp(3rem,15vw,6rem);font-weight:900;line-height:1}.pulse{justify-content:center;gap:8px;margin-top:18px;display:flex}.pulse span{background:var(--red);border-radius:50%;width:10px;height:10px;animation:1.2s infinite alternate pulse}.pulse span:nth-child(2){animation-delay:.2s}.pulse span:nth-child(3){animation-delay:.4s}@keyframes pulse{to{opacity:.2;transform:translateY(-5px)}}@media (prefers-reduced-motion:reduce){.pulse span{animation:none}}.replace-box{border-top:2px solid var(--line);margin-top:28px;padding-top:24px}.replace-box h2{margin-bottom:6px;font-size:1.55rem}.otp-panel{text-align:center;border-color:var(--green);box-shadow-color:var(--green);background:#d7f6e5}.otp-panel h2{margin:10px 0;font-size:clamp(2rem,8vw,4rem)}.otp-value{letter-spacing:.06em;overflow-wrap:anywhere;font-size:clamp(3.4rem,18vw,7rem);display:block}.otp-panel button{background:var(--green);margin:18px 0 8px}.otp-exit{border-top:1px solid var(--green);margin-top:24px;padding-top:16px}.otp-exit button{background:var(--paper);color:var(--ink)}.help-panel h2{margin-top:0;font-size:1.8rem}.help-grid{gap:4px;display:grid}.help-grid>div{border-top:1px solid var(--line);padding:14px 0}.help-grid h3,.help-grid p{margin:0}.help-grid p{color:#514b45;margin-top:6px;line-height:1.55}.support{background:var(--ink);color:#fff;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:20px;padding:18px;display:flex}.error-banner{border:2px solid var(--red);background:#ffe0dc;padding:16px 18px;font-weight:800}@media (max-width:520px){.shell{width:min(100% - 20px,860px)}.action-header{padding-top:28px}.copy-button{width:100%}}.admin-login{background:var(--ink);place-items:center;min-height:100vh;padding:24px;display:grid}.admin-login form,.admin-form{background:var(--paper);border:2px solid var(--ink);gap:12px;width:min(520px,100%);padding:28px;display:grid}.admin-login h1,.admin-form h2{margin:0 0 8px}.admin-login label,.admin-form label{gap:6px;font-weight:800;display:grid}.admin-login input,.admin-form input,.admin-form textarea{border:2px solid var(--ink);min-height:46px;padding:9px}.admin-form textarea{min-height:100px}.admin-login button,.admin-form button{background:var(--red);color:#fff}.admin-shell{background:#f1eee8;min-height:100vh}.admin-nav{z-index:5;background:var(--ink);color:#fff;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:14px 22px;display:flex;position:sticky;top:0}.admin-nav div{flex-wrap:wrap;gap:6px;display:flex}.admin-nav a{color:#fff;border:1px solid #655f59;padding:6px 9px;text-decoration:none}.admin-main{width:min(1200px,100% - 32px);margin:0 auto;padding:28px 0 60px}.admin-main h1{font-size:2.4rem}.metric-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;display:grid}.metric-grid article{border:2px solid var(--ink);background:#fff;padding:22px}.metric-grid span{display:block}.metric-grid strong{font-size:2.8rem}.table-wrap{border:2px solid var(--ink);background:#fff;overflow:auto}.table-wrap table{border-collapse:collapse;width:100%;font-size:.86rem}.table-wrap th,.table-wrap td{text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;padding:10px}.table-wrap th{background:#e8e2d8}.admin-form{margin-bottom:22px}.admin-form .check{align-items:center;display:flex}.admin-form .check input{width:20px;height:20px;min-height:auto}.admin-form pre{white-space:pre-wrap;background:#eee;padding:14px}.settings{border:2px solid var(--ink);background:#fff;grid-template-columns:200px 1fr;gap:12px;padding:24px;display:grid}.settings dt{font-weight:900}.settings dd{overflow-wrap:anywhere;margin:0}.admin-muted{color:#625c55;margin:0;font-size:.92rem;line-height:1.65}.recovery-form{width:100%;margin-top:22px}.recovery-form p{overflow-wrap:anywhere}.recovery-form select{font:inherit;border:2px solid var(--ink);background:#fff;padding:10px}.cdk-issue-form{width:100%;margin-bottom:0}.cdk-issue-fields{grid-template-columns:minmax(180px,1fr) 120px 170px;align-items:end;gap:14px;display:grid}.cdk-issue-fields select{border:2px solid var(--ink);min-height:46px;font:inherit;background:#fff;width:100%;padding:9px}.cdk-issue-fields input{width:100%}.cdk-issue-fields select:focus-visible,.cdk-table input:focus-visible,.manual-copy textarea:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.cdk-manager{gap:24px;display:grid}.cdk-delivery-info{border:1px solid var(--line);background:#fff8e9;gap:18px;padding:24px;display:grid}.cdk-delivery-info h2,.cdk-toolbar h2{margin:0 0 8px;font-size:1.3rem}.cdk-delivery-info a{color:var(--red-dark);overflow-wrap:anywhere}.cdk-delivery-info summary{cursor:pointer;padding:8px 0;font-weight:700}.delivery-preview{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;border:1px solid var(--line);background:#fff;padding:18px;line-height:1.8}.cdk-toolbar,.cdk-actions,.cdk-row-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.cdk-toolbar{justify-content:space-between}.admin-button{background:var(--red);color:#fff;min-height:42px;padding:10px 15px;font-size:.9rem}.admin-button.secondary{background:var(--ink)}.admin-button.quiet{color:var(--ink);background:#e6e0d6}.admin-button:disabled,.cdk-table input:disabled{cursor:not-allowed}.copy-feedback{min-height:1.5em;color:var(--green);line-height:1.5}.manual-copy{gap:8px;margin:14px 0;font-weight:700;display:grid}.manual-copy textarea{width:100%;min-height:200px;font:inherit;border:2px solid var(--ink);padding:12px;line-height:1.6}.cdk-table caption{text-align:left;color:#625c55;white-space:normal;padding:14px;font-size:.85rem;line-height:1.6}.cdk-table input[type=checkbox]{width:20px;height:20px;accent-color:var(--red);cursor:pointer}.cdk-table tr[data-selected=true]{background:#fff6e4}.cdk-code{letter-spacing:.02em;font-size:.95rem;font-weight:800}.cdk-status{border-radius:4px;padding:5px 8px;font-size:.8rem;font-weight:700}.cdk-status.available{color:#075c3b;background:#d7f6e5}.cdk-status.unavailable{color:#625c55;background:#e8e4dd}@media (max-width:640px){.cdk-issue-fields{grid-template-columns:1fr}.cdk-issue-form,.cdk-delivery-info{padding:18px}.cdk-actions{width:100%}.cdk-actions .admin-button{flex:auto}}