:root{color-scheme:dark;--bg:#060d18;--panel:#0c1727;--line:#22344a;--cyan:#24d8ee;--text:#edf5ff;--muted:#96a8bd;--error:#ffb0b9;font-family:Tahoma,"Segoe UI",system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 72% 26%,#092a3c88,transparent 50%),var(--bg);color:var(--text);min-height:100vh;font-size:14px;line-height:1.65}.wrap{width:min(1040px,calc(100% - 64px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;padding:28px 0;border-bottom:1px solid #1a2a3c}.brand{font-family:"Segoe UI",system-ui,sans-serif;font-size:27px;font-weight:850;line-height:1.1;letter-spacing:-1px}.brand>span,footer b{color:var(--cyan)}.brand small{display:block;font-size:8px;letter-spacing:2.4px;font-weight:600;color:#7e97ac;margin-top:7px}.header-note{color:#a5bacd;font-size:12px;display:flex;align-items:center;gap:8px}.status-dot{display:inline-block;background:#42dfbd;width:6px;height:6px;border-radius:50%;flex-shrink:0}.intro{padding:48px 0 30px}.eyebrow{margin:0 0 12px;color:var(--cyan);font-size:11px;letter-spacing:1px;font-weight:700}h1{font-size:clamp(27px,3.2vw,39px);letter-spacing:-.9px;line-height:1.45;margin:0 0 14px;font-weight:700}h1 span{color:var(--cyan)}.intro-copy{color:var(--muted);margin:0;font-size:14px;line-height:1.85}.generator{display:grid;grid-template-columns:1fr 1fr;background:var(--panel);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 28px 70px #02081055}.input-panel,.result-panel{padding:30px 34px}.input-panel{border-right:1px solid var(--line);margin:0}.panel-heading{display:flex;align-items:center;gap:10px;min-height:30px;margin-bottom:26px}.panel-heading h2{font-size:17px;margin:0}.step-label{display:grid;place-items:center;border:1px solid #245066;background:#0b2738;color:var(--cyan);border-radius:8px;width:29px;height:29px;font:600 11px "Segoe UI",sans-serif}.input-panel label{display:block;font-size:12px;font-weight:700;margin-bottom:9px}.input-panel label span{font-weight:400;color:var(--muted)}.secret-field{display:flex;align-items:stretch;border:1px solid #35506b;border-radius:10px;background:#07111f;overflow:hidden}.secret-field:focus-within{border-color:var(--cyan);outline:2px solid #24d8ee22;outline-offset:2px}input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--text);padding:15px 14px;font:15px ui-monospace,Consolas,monospace;letter-spacing:1px}input::placeholder{font:12px Tahoma,sans-serif;letter-spacing:0;color:#72899e}.reveal{flex-shrink:0;width:56px;background:none;color:#9fd3e2;border:0;border-left:1px solid #22344a;font:12px Tahoma,sans-serif;cursor:pointer}.hint{font-size:11px;color:var(--muted);margin:8px 0 22px}.primary-button,.copy-button{width:100%;min-height:49px;border-radius:10px;font:700 14px Tahoma,sans-serif;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:background .15s}.primary-button{background:linear-gradient(100deg,#19b9d0,#2ed6e8);color:#042232;border:1px solid transparent;justify-content:space-between;padding:12px 17px;box-shadow:0 5px 20px #00c4e51c}.primary-button:hover{background:#5ae7f4}.primary-button span:last-child{font-size:22px;font-weight:400;line-height:1}.clear-button{display:block;margin:11px auto 0;min-height:32px;padding:4px 15px;background:none;color:#9cb4c9;border:0;text-decoration:underline;text-underline-offset:4px;font:11px Tahoma,sans-serif;cursor:pointer}.local-note{display:flex;align-items:flex-start;gap:10px;border-top:1px solid #203149;padding-top:19px;margin-top:17px}.local-note p{font-size:11px;color:#cedce9;margin:0}.local-note p span{color:#8da2b7;font-size:10px}.shield{color:var(--cyan);font-size:25px;line-height:1.3}.result-panel{background:linear-gradient(135deg,#10283b55,#09142155)}.live-badge{display:flex;align-items:center;gap:5px;color:#73dfc6;background:#0d322d;border:1px solid #1b5146;border-radius:20px;padding:2px 8px;font-size:9px;margin-left:auto;white-space:nowrap}.result-hint{text-align:center;color:var(--muted);font-size:11px;margin:3px 0 6px}.otp{display:block;text-align:center;font:600 clamp(38px,5vw,65px)/1.5 ui-monospace,Consolas,"Courier New",monospace;letter-spacing:8px;color:#527184;user-select:all;min-height:98px}.result-panel[data-active=true] .otp{color:#a2f7ff;text-shadow:0 0 32px #13d0ed20}.timer-row{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;margin:2px 0 9px}.timer-row strong{color:#dceff8;font-size:13px;font-weight:600}progress{display:block;appearance:none;width:100%;height:5px;border:0;border-radius:5px;overflow:hidden;background:#24374b;margin-bottom:21px}progress::-webkit-progress-bar{background:#24374b}progress::-webkit-progress-value{background:var(--cyan)}progress::-moz-progress-bar{background:var(--cyan)}.copy-button{background:#113347;color:#a7f0f8;border:1px solid #27546a}.copy-button:hover{background:#16445c}.copy-button:disabled{background:#102132;color:#536b80;border-color:#23364a;cursor:default}.copy-status{color:#72dfbf;font-size:11px;min-height:19px;text-align:center;margin:6px 0 0}.result-footnote{font-size:10px;color:#8b9fb3;text-align:center;margin:5px 0 0;line-height:1.8}.how-to{margin:31px 0 0}.how-to h2{font-size:13px;margin:0 0 18px;color:#d9e7f5}.how-to ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.how-to li{display:flex;align-items:flex-start;gap:11px}.how-to li>span{display:grid;place-items:center;background:#0c2334;border:1px solid #1b374b;color:#62d2e4;min-width:29px;height:29px;border-radius:50%;font-size:11px}.how-to p{margin:0;color:#8fa4b9;font-size:11px}.how-to strong{display:block;color:#dbe7f4;font-size:12px;font-weight:400;margin-bottom:2px}.privacy-note{font-size:10px;color:#8da4ba;margin:27px 0 29px;padding:12px 16px;border-left:2px solid #2b5366;background:#0b1b2a99;border-radius:0 8px 8px 0}footer{border-top:1px solid #192b3c;padding:19px 0 26px;display:flex;justify-content:space-between;gap:14px;color:#718ba1;font-size:10px}footer>span:first-child{color:#9eb6ca}.footer-divider{padding:0 9px;color:#38566c}.error{color:var(--error);font-size:12px;padding:10px 12px;border:1px solid #753345;background:#401b2a66;border-radius:8px;margin:10px 0}.environment-error{margin-top:0}.error[hidden],[hidden]{display:none!important}button:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}button:disabled:not(.copy-button){opacity:.45;cursor:default}
@media(max-width:700px){.wrap{width:calc(100% - 36px);max-width:470px}.site-header{padding:22px 0}.brand{font-size:24px}.brand small{font-size:7px}.header-note{font-size:10px}.intro{padding:33px 0 24px}h1{font-size:30px;letter-spacing:-.6px}h1 span{display:block}.intro-copy{font-size:12px}.desktop-break{display:none}.generator{grid-template-columns:1fr;border-radius:16px}.input-panel,.result-panel{padding:24px}.input-panel{border-right:0;border-bottom:1px solid var(--line)}.panel-heading{margin-bottom:23px}.panel-heading h2{font-size:16px}.hint{font-size:10px;line-height:1.8}.local-note{padding-top:16px;margin-top:14px}.result-hint{margin-top:0}.otp{font-size:58px;letter-spacing:6px;min-height:88px}.timer-row{margin-top:8px}.how-to{margin-top:27px}.how-to ol{grid-template-columns:1fr;gap:15px}.how-to li>span{width:26px;height:26px;min-width:26px}.how-to strong{font-size:12px}.how-to p{font-size:11px}.privacy-note{margin-top:24px;font-size:10px;line-height:1.8}footer{flex-direction:column;font-size:9px;gap:4px}.primary-button,.copy-button{min-height:50px}.result-footnote{font-size:10px}}
@media(max-width:350px){.wrap{width:calc(100% - 28px)}.input-panel,.result-panel{padding:21px 18px}.header-note{font-size:9px;gap:5px}h1{font-size:27px}.otp{font-size:51px;letter-spacing:4px}.panel-heading{gap:8px}.panel-heading h2{font-size:15px}.live-badge{font-size:8px;padding:2px 5px}.timer-row{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}