:root{--bg: #ffffff;--page-bg: #f4f5f7;--text: #141b33;--muted: #9aa0ae;--surface: #f2f3f5;--border: #ececf0;--active: #1c2340;--green: #1f9d55;--green-bg: #e1f2e6;--red: #d3423e;--red-bg: #fdecec;--amber-bg: #fdf3e2;--amber: #a86a12;--radius-card: 16px;--radius-tile: 24px;--pad: 20px;--maxw: 430px;--account-h: 44px;--font: "Nunito Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--page-bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.45;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button{font-family:inherit;cursor:pointer}a{color:inherit;text-decoration:none}img,video{display:block;max-width:100%}.phone{max-width:var(--maxw);margin:0 auto;min-height:100vh;min-height:100dvh;background:var(--bg);box-shadow:0 0 40px #141b330f;position:relative;display:flex;flex-direction:column}.muted{color:var(--muted)}.center{text-align:center}.section-label{color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;margin:0 0 12px}.state-box{padding:48px var(--pad);text-align:center}.state-emoji{font-size:34px;margin-bottom:8px}.state-title{font-weight:800;font-size:18px;margin:0 0 6px}.state-sub{color:var(--muted);margin:0 0 18px;font-size:15px}.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--active);margin:0 auto;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn-primary{background:var(--active);color:#fff;border:none;border-radius:999px;padding:14px 22px;font-weight:800;font-size:15px;transition:transform .08s ease,opacity .15s ease}.btn-primary:hover{opacity:.92}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-ghost{background:var(--surface);color:var(--text);border:none;border-radius:999px;padding:13px 22px;font-weight:800;font-size:15px;transition:transform .08s ease,background .15s ease}.btn-ghost:hover{background:#e9eaee}.btn-ghost:active{transform:scale(.98)}.btn-ghost:disabled{opacity:.5;cursor:not-allowed}.block{display:block;width:100%}.icon-btn{border:1px solid var(--border);background:var(--bg);border-radius:12px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;flex:none}.icon-btn:active{transform:scale(.96)}.account-bar{flex:none;height:var(--account-h);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 var(--pad);border-bottom:1px solid var(--border);background:var(--bg)}.account-id{display:inline-flex;align-items:center;gap:8px;min-width:0;font-size:13px;font-weight:800;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-sub{color:var(--muted);font-weight:700}.account-dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--green)}.account-signout{flex:none;background:none;border:none;color:var(--muted);font-weight:800;font-size:13px;padding:6px 2px;transition:color .15s ease}.account-signout:hover{color:var(--text)}.signin-screen{display:flex;flex-direction:column;min-height:100dvh}.signin-body{padding:8px var(--pad) 40px}.signin-input{width:100%;border:1px solid var(--border);background:var(--surface);border-radius:14px;padding:14px 16px;font-family:inherit;font-size:16px;font-weight:700;color:var(--text);outline:none;margin-bottom:16px}.signin-input:focus{border-color:#d5d7de}.signin-input::placeholder{color:#c3c7d1}.signin-note{margin:14px 2px 0;font-size:13px;font-weight:700;text-align:center}.signin-secondary{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:18px}.link-btn{background:none;border:none;color:var(--muted);font-family:inherit;font-weight:800;font-size:13px;padding:6px 2px;transition:color .15s ease}.link-btn:hover{color:var(--text)}.link-btn:disabled{opacity:.5;cursor:not-allowed}.app-header{padding:26px var(--pad) 6px}.app-title{font-size:28px;font-weight:800;margin:0;letter-spacing:-.5px}.app-subtitle{margin:2px 0 0;color:var(--muted);font-size:14px;font-weight:700}.scan-screen{display:flex;flex-direction:column;min-height:calc(100dvh - var(--account-h))}.scan-body{padding:16px var(--pad) 40px}.scanner{position:relative;width:100%;aspect-ratio:1 / 1;background:#10142a;border-radius:var(--radius-tile);overflow:hidden}.scanner-video{width:100%;height:100%;object-fit:cover}.scanner-canvas{display:none}.scanner-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;text-align:center}.scanner-overlay-text{color:#cfd3e0;font-size:14px;font-weight:600;margin:0;max-width:240px}.scanner-reticle{position:absolute;top:18%;right:18%;bottom:18%;left:18%;border:3px solid rgba(255,255,255,.9);border-radius:20px;box-shadow:0 0 0 100vmax #10142a47}.scan-hint{text-align:center;color:var(--muted);font-weight:700;margin:16px 0 0}.scan-error{margin-top:16px;background:var(--red-bg);border-radius:var(--radius-card);padding:14px 16px}.scan-error p{color:var(--red);font-weight:700;font-size:14.5px;margin:0 0 10px}.scan-error p:last-child{margin-bottom:0}.scan-error .btn-primary{width:100%}.manual-block{margin-top:24px}.manual-input{width:100%;border:1px solid var(--border);background:var(--surface);border-radius:14px;padding:12px 14px;font-family:inherit;font-size:15px;color:var(--text);resize:vertical;outline:none;margin-bottom:12px}.manual-input:focus{border-color:#d5d7de}.manual-block .btn-ghost{margin-top:10px}.session-screen{display:flex;flex-direction:column;height:calc(100vh - var(--account-h));height:calc(100dvh - var(--account-h));overflow:hidden}.session-header{flex:none;padding:18px var(--pad) 14px;border-bottom:1px solid var(--border);background:var(--bg)}.session-header-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.session-client{font-size:22px;font-weight:800;margin:2px 0 0;letter-spacing:-.3px;word-break:break-all}.countdown{display:inline-flex;align-items:center;gap:7px;margin-top:12px;color:var(--muted);font-size:14px;font-weight:700}.countdown strong{color:var(--text);font-variant-numeric:tabular-nums}.countdown-expired,.countdown-expired strong{color:var(--red)}.session-scroll{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding:16px var(--pad) 40px}.session-section{margin-bottom:26px}.banner{border-radius:var(--radius-card);padding:12px 14px;font-size:14px;font-weight:700;margin-bottom:20px}.banner-warn{background:var(--amber-bg);color:var(--amber)}.client-state{margin:0;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden}.client-state-row{display:flex;justify-content:space-between;gap:16px;padding:11px 14px;border-bottom:1px solid var(--border)}.client-state-row:last-child{border-bottom:none}.client-state dt{color:var(--muted);font-size:14px;font-weight:700}.client-state dd{margin:0;font-weight:800;font-size:14px;text-align:right;word-break:break-word;max-width:62%}.client-state-empty{color:var(--muted);font-size:14.5px;margin:0}.bonus-card{border:1px solid var(--border);border-radius:var(--radius-card);padding:16px;margin-bottom:12px;background:var(--bg);transition:border-color .12s ease,background .12s ease,transform .08s ease}.bonus-card-selectable{cursor:pointer}.bonus-card-selectable:active{transform:scale(.995)}.bonus-card-selected{border-color:var(--active);background:#f7f8fb}.bonus-card-disabled{opacity:.55}.bonus-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.bonus-text{font-weight:800;font-size:16px;line-height:1.35}.checkbox{flex:none;width:24px;height:24px;border-radius:8px;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;background:var(--bg)}.checkbox-on{background:var(--active);border-color:var(--active)}.usable-badge{flex:none;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;white-space:nowrap}.usable-yes{background:var(--green-bg);color:var(--green)}.usable-no{background:var(--surface);color:#6b7280}.bonus-reward{display:inline-block;margin-top:8px;font-weight:800;font-size:14px;color:var(--active)}.bonus-meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:14px;margin-top:8px}.dot-sep{opacity:.6}.amount-field{display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);border-radius:14px;padding:4px 16px}.amount-currency{font-size:24px;font-weight:800;color:var(--muted)}.amount-input{border:none;background:transparent;outline:none;font-family:inherit;font-size:28px;font-weight:800;color:var(--text);width:100%;padding:10px 0}.amount-input::placeholder{color:#c3c7d1}.amount-suffix{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:.5px}.amount-hint{margin:8px 2px 0;font-size:13.5px;font-weight:700}.form-error{color:var(--red);font-size:14px;font-weight:700;margin:0 0 16px;background:var(--red-bg);border-radius:12px;padding:11px 14px}.session-actions{display:flex;flex-direction:column;gap:10px;margin-top:4px}.session-meta{font-size:12px;margin:18px 0 0;word-break:break-all}.result-screen{display:flex;flex-direction:column;min-height:calc(100dvh - var(--account-h))}.result-hero{text-align:center;padding:40px var(--pad) 24px}.result-check{width:64px;height:64px;border-radius:50%;background:var(--green);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 8px 24px #1f9d5547}.result-title{font-size:23px;font-weight:800;margin:0;letter-spacing:-.3px}.result-sub{margin:6px 0 0;font-size:13px;word-break:break-all}.result-body{padding:8px var(--pad) 40px}.result-body .btn-primary{margin-top:12px}@media (min-width: 480px){body{padding:0}}