:root{--bg: #f6f7f9;--surface: #ffffff;--text: #101418;--text-secondary: #5b6470;--border: #e3e6ea;--primary: #101418;--primary-text: #ffffff;--primary-hover: #2a3138;--success: #157f3d;--success-bg: #e8f6ee;--danger: #b42318;--danger-bg: #fdecea;--warn-bg: #fff7e6;--warn-border: #f0d9a8;--radius: 14px;--shadow: 0 1px 2px rgba(16, 20, 24, .05), 0 8px 24px rgba(16, 20, 24, .06)}@media (prefers-color-scheme: dark){:root{--bg: #0d1013;--surface: #171b20;--text: #eef1f4;--text-secondary: #9aa4af;--border: #262c33;--primary: #eef1f4;--primary-text: #101418;--primary-hover: #cdd4da;--success: #4ade80;--success-bg: #12291b;--danger: #f87171;--danger-bg: #2d1615;--warn-bg: #2a2313;--warn-border: #4d3f1e;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35)}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}.page{min-height:100dvh;display:flex;flex-direction:column;align-items:center;padding:24px 16px 48px}.brand{display:flex;align-items:center;gap:10px;margin:16px 0 28px;font-weight:700;font-size:18px;letter-spacing:.01em}.brand svg{display:block}.card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 24px}.stepper{display:flex;gap:6px;margin-bottom:24px}.stepper__dot{height:4px;flex:1;border-radius:2px;background:var(--border);transition:background .2s ease-out}.stepper__dot--active{background:var(--text)}h1{font-size:22px;font-weight:700;margin:0 0 8px}.subtitle{color:var(--text-secondary);margin:0 0 24px;font-size:15px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:48px;padding:12px 20px;border:none;border-radius:10px;background:var(--primary);color:var(--primary-text);font-size:16px;font-weight:600;cursor:pointer;transition:background .15s ease-out,transform .1s ease-out;touch-action:manipulation}.btn:hover:not(:disabled){background:var(--primary-hover)}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:focus-visible{outline:3px solid var(--text-secondary);outline-offset:2px}.btn--ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn--ghost:hover:not(:disabled){background:var(--bg)}.row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:15px}.row:last-of-type{border-bottom:none}.row__label{color:var(--text-secondary)}.row__value{font-weight:600;font-variant-numeric:tabular-nums;text-align:right;word-break:break-all}.row__value--total{font-size:18px}.banner{display:flex;gap:10px;align-items:flex-start;border-radius:10px;padding:12px 14px;font-size:14px;margin:16px 0}.banner--error{background:var(--danger-bg);color:var(--danger)}.banner--warn{background:var(--warn-bg);border:1px solid var(--warn-border);color:var(--text)}.banner--success{background:var(--success-bg);color:var(--success)}.checkbox{display:flex;gap:12px;align-items:flex-start;margin:20px 0;cursor:pointer;font-size:14px;color:var(--text-secondary)}.checkbox input{width:20px;height:20px;min-width:20px;margin-top:1px;accent-color:var(--text);cursor:pointer}.spinner{width:22px;height:22px;border:2.5px solid var(--border);border-top-color:var(--text);border-radius:50%;animation:spin .7s linear infinite}.spinner--inline{width:16px;height:16px;border-width:2px;border-top-color:var(--primary-text)}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner,.spinner--inline{animation-duration:1.8s}.btn{transition:none}}.progress-list{list-style:none;margin:20px 0;padding:0;display:flex;flex-direction:column;gap:14px}.progress-list li{display:flex;align-items:center;gap:12px;font-size:15px}.progress-list .pending{color:var(--text-secondary)}.step-icon{width:22px;height:22px;min-width:22px;display:inline-flex;align-items:center;justify-content:center}.step-icon--done{color:var(--success)}.step-icon--todo{color:var(--border)}.center{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;padding:16px 0}.footnote{margin-top:20px;font-size:13px;color:var(--text-secondary);text-align:center}.address-chip{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:6px 10px;word-break:break-all}