.tool-main{min-height:calc(100vh - 160px)}.otp-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:24px}.otp-form-card,.otp-output-card{padding:28px;min-width:0}.otp-form-card h2,.otp-output-card h2{font-size:20px}.otp-output-card h2{margin-top:12px}.otp-form-card form{margin-top:24px}.otp-form-card label{display:block;font-size:13px;font-weight:650;margin-bottom:9px}.secret-field{display:flex;border:1px solid #bfd5ca;border-radius:10px;background:#fff;overflow:hidden;min-height:50px}.secret-field:focus-within{outline:3px solid #d6eee3;border-color:var(--green)}.secret-field input{width:100%;min-width:0;border:0;outline:0;background:transparent;padding:13px 14px;color:var(--ink);font:inherit;font-size:14px}.secret-field button{border:0;border-left:1px solid var(--line);background:#f7faf8;cursor:pointer;color:var(--green);padding:0 14px;font-size:12px;flex:none}.tool-actions{display:flex;gap:12px;margin:20px 0 18px}button{font:inherit;cursor:pointer}button.button{border:0;font-size:13px}button:focus-visible,input:focus-visible{outline:3px solid #50b79b;outline-offset:3px}button:disabled{opacity:.55;cursor:default}.secondary{border:1px solid var(--line);padding:9px 19px;border-radius:9px;background:white;color:var(--ink);font-size:13px}.guide-card .privacy-note{border-top:1px solid var(--line);padding-top:18px;font-size:11px;color:var(--muted);margin-bottom:0}.guide-card .error{color:#ba342f;font-size:12px;overflow-wrap:anywhere}.error:empty{display:none}.guide-card #otp-status{font-size:12px;color:var(--green);min-height:23px}.guide-card .empty-message{font-size:13px;color:var(--muted)}#otp-result{padding-top:12px}#otp-result[hidden]{display:none}#otp-code{font:750 clamp(32px,5vw,48px)/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.16em;display:block;color:var(--green);padding:15px 8px;background:var(--soft);border:1px solid #cee5d8;border-radius:12px;text-align:center;user-select:all;font-variant-numeric:tabular-nums}.countdown-row{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:12px;gap:12px}#otp-countdown{font-variant-numeric:tabular-nums;color:var(--green)}progress{display:block;appearance:none;width:100%;height:5px;border:0;border-radius:99px;overflow:hidden;background:#edf3ee;margin:10px 0 20px}progress::-webkit-progress-bar{background:#edf3ee}progress::-webkit-progress-value{background:var(--green)}progress::-moz-progress-bar{background:var(--green)}.copy-button{width:100%;padding:12px}.guide-link{display:block;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);text-decoration:none;font-size:12px}.usage-notes{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:26px 4px 10px}.usage-notes strong{font-size:12px}.usage-notes p{font-size:12px;line-height:1.8;color:var(--muted);margin:5px 0}.format-example{background:#f3f8f5;border:1px solid var(--line);border-radius:12px;padding:17px;font-family:ui-monospace,Consolas,monospace;font-size:12px;overflow-wrap:anywhere}.inline-tool{background:var(--soft);border:1px solid #c4e4d1;padding:18px;border-radius:12px}.inline-tool .button{margin-top:8px}.guide-card .inline-tool p{margin-top:0}.guide-card .step-caption{font-size:12px;color:var(--muted)}
.otp-output-card{scroll-margin-top:84px}.empty-message[hidden]{display:none}
@media(max-width:760px){.otp-layout{grid-template-columns:1fr;gap:18px}.otp-form-card,.otp-output-card{padding:22px}.usage-notes{grid-template-columns:1fr;gap:18px}.tool-main .intro{padding-bottom:24px}}
@media(max-width:520px){.otp-form-card,.otp-output-card{padding:20px 16px}.otp-form-card h2,.otp-output-card h2{font-size:18px}.secret-field input{font-size:16px}.secret-field button{padding-inline:11px}#otp-code{font-size:38px;letter-spacing:.12em}.tool-main h1{font-size:29px}.otp-output-card .empty-message{font-size:12px}.usage-notes{padding-inline:4px}.guide-card .format-example{font-size:11px}}