:root{--paper: #e7e1d4;--surface: #f7f4ed;--line: #ddd6c8;--line-strong: #cdc8c0;--field-bright: #ffffff;--accent: #34536a;--accent-deep: #2f5170;--accent-active-text: #f7f4ed;--ink: #1f1d1a;--ink-body: #6e6a62;--ink-muted: #8a857c;--ink-faint: #9a958c;--ink-disabled: #bdb6a9;--ok: #2f6b46;--ok-bg: #e3efe7;--ok-line: #b9d8c5;--info: #2f5170;--info-bg: #e7eef4;--info-line: #c2d4e2;--alert: #b4533a;--alert-bg: #f7e3dc;--alert-line: #e8c4b8;--radius: 12px;--shadow: 0 1px 3px rgba(31, 29, 26, .08), 0 6px 20px rgba(31, 29, 26, .06)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--paper);color:var(--ink);font-family:Roboto,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}.material-symbols-rounded{font-family:Material Symbols Rounded;font-weight:400;font-style:normal;line-height:1;vertical-align:middle;-webkit-font-feature-settings:"liga";font-feature-settings:"liga"}.page{max-width:460px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;padding:20px 16px 28px}.brand{display:flex;align-items:center;gap:10px;padding:6px 2px 20px}.brand-mark{font-size:28px;color:var(--accent)}.brand-name{font-weight:700;font-size:18px;letter-spacing:.2px}.content{flex:1}.foot{margin-top:24px;color:var(--ink-faint);font-size:12.5px;text-align:center;line-height:1.5}.invoice-head{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 16px;box-shadow:var(--shadow);margin-bottom:16px}.inv-row{display:flex;justify-content:space-between;align-items:baseline;font-size:14px}.inv-row.muted{color:var(--ink-muted);margin-top:8px;font-size:13px}.inv-label{color:var(--ink-muted)}.inv-num{font-weight:600}.balance{display:flex;flex-direction:column;gap:2px;margin-top:12px}.balance-label{color:var(--ink-muted);font-size:13px}.balance-amt{font-size:34px;font-weight:700;letter-spacing:-.5px}.pay-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px 20px;box-shadow:var(--shadow)}.method-tab{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--accent);padding:4px 0 12px;border-bottom:2px solid var(--accent)}.method-tab .material-symbols-rounded{font-size:20px}.fields{margin-top:14px;transition:opacity .15s}.fields.locked{opacity:.55;pointer-events:none}.field-label{display:block;font-size:12.5px;color:var(--ink-muted);margin:10px 0 5px}.hf-field{background:var(--field-bright);border:1px solid var(--line-strong);border-radius:8px;height:46px;padding:0 12px;display:flex;align-items:center;overflow:hidden}.hf-field iframe{display:block;width:100%;height:40px;border:0;background:transparent}.text-field{background:var(--field-bright);border:1px solid var(--line-strong);border-radius:8px;height:46px;padding:0 12px;width:100%;font:inherit;font-size:16px;color:inherit;box-sizing:border-box}.text-field:focus{outline:none;border-color:var(--accent)}.text-field:disabled{opacity:.6}.field-row{display:flex;gap:12px}.field-col{flex:1}.pay-button{width:100%;margin-top:18px;height:50px;border:none;border-radius:10px;background:var(--accent);color:var(--accent-active-text);font-family:inherit;font-size:16px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.pay-button:hover:not(:disabled){background:var(--accent-deep)}.pay-button:disabled{background:var(--ink-disabled);cursor:not-allowed}.pay-button.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent);margin-top:16px}.secure-line{display:flex;align-items:center;justify-content:center;gap:6px;margin:14px 0 2px;color:var(--ink-faint);font-size:12px;text-align:center}.secure-line .material-symbols-rounded{font-size:15px}.inline-error{margin-top:12px;padding:10px 12px;background:var(--alert-bg);border:1px solid var(--alert-line);border-radius:8px;color:var(--alert);font-size:13.5px}.partial-block{margin-top:12px}.link-button{background:none;border:none;padding:4px 0;color:var(--accent);font-size:13.5px;font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer}.link-button:disabled{color:var(--ink-disabled);cursor:default}.field-hint{margin:6px 0 0;color:var(--ink-faint);font-size:12.5px}.notice{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;box-shadow:var(--shadow)}.notice-icon{font-size:44px;color:var(--ink-muted)}.notice h2{margin:12px 0 8px;font-size:19px}.notice p{margin:0;color:var(--ink-body);font-size:14.5px;line-height:1.55}.notice.ok{background:var(--ok-bg);border-color:var(--ok-line)}.notice.ok .notice-icon,.notice.ok h2{color:var(--ok)}.notice.info{background:var(--info-bg);border-color:var(--info-line)}.notice.info .notice-icon,.notice.info h2{color:var(--info)}.notice.alert{background:var(--alert-bg);border-color:var(--alert-line)}.notice.alert .notice-icon,.notice.alert h2{color:var(--alert)}.spinner{width:20px;height:20px;border:2.5px solid rgba(247,244,237,.45);border-top-color:var(--accent-active-text);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.sk-line,.sk-block{background:linear-gradient(90deg,var(--line) 25%,var(--paper) 50%,var(--line) 75%);background-size:200% 100%;animation:shimmer 1.3s infinite;border-radius:6px}.sk-line{height:14px;margin:10px 0}.sk-line.lg{height:30px;width:60%}.sk-block{height:100px;margin:16px 0}@keyframes shimmer{to{background-position:-200% 0}}