*{box-sizing:border-box}body{margin:0;color:#353535;background:#fff;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Fira Sans","Droid Sans","Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px;line-height:1.5}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #9bcaee;outline-offset:3px}main{width:min(1450px,100%);margin:0 auto;padding:40px 44px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:54px;align-items:start}.heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:28px}h1{margin:0;font-size:32px;font-weight:600;line-height:1.125;letter-spacing:normal;}.text-button{border:0;background:transparent;color:#428bca;padding:8px 0;font-size:12px;white-space:nowrap}.text-button:hover{color:#236eac;text-decoration:underline}form label{display:block;margin:20px 0 9px;font-size:16px;font-weight:700;line-height:1.5;}form input,form select{width:100%;border:1px solid #d4d4d4;box-shadow:inset 0 1px 3px #0000000d;border-radius:5px;padding:10px 12px;color:#383838;background:#fff;font-size:16px;line-height:1.5;height:40px;}form input::placeholder{color:#a7a7a7;font-size:16px;}form select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='m1 1 5 5 5-5' stroke='%23999' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center}.timer-label{color:#808080;margin:22px 0 6px;font-size:12px;line-height:1.5;}.progress{height:9px;background:#ececec;border-radius:20px;overflow:hidden}.progress>div{height:100%;background:#428bca;width:0;transition:width .2s linear}.code-output{display:flex;align-items:center;justify-content:center;gap:14px;width:100%;height:150px;margin:33px 0 0;border:1px solid #eee;border-radius:9px;box-shadow:0 10px 22px #0000000b;background:#fff;padding:16px}.main-code{display:block;padding:0;border:0;background:transparent;min-width:0;color:#333;font-variant-numeric:tabular-nums;font-size:48px;font-weight:600;line-height:1.125;letter-spacing:normal;}.main-code:disabled{color:#c4c4c4;cursor:default;font-size:clamp(18px,4vw,32px);}.main-code:not(:disabled):hover{color:#428bca}.under-code{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:25px;min-height:48px}#save-status{font-size:12px;color:#929292}.copy-button{display:flex;align-items:center;gap:9px;border:0;border-radius:6px;background:transparent;padding:8px;color:#888;font-size:13px;flex-shrink:0}.copy-button:hover{background:#eaeaea}.copy-button:disabled{opacity:.45;cursor:default}.copy-button svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.privacy-note{font-size:11px;line-height:1.6;color:#969696;margin-top:28px;max-width:620px}aside{border-left:1px solid #ededed;padding-left:29px;min-height:calc(100vh - 80px)}.saved-heading{display:flex;align-items:center;gap:10px;margin-top:7px}.saved-heading h2{font-size:18px;font-weight:600;margin:0}.saved-heading>span{font-size:11px;background:#f1f1f1;color:#888;border-radius:20px;min-width:22px;padding:4px 6px;text-align:center}.sidebar-description{color:#999;font-size:12px;line-height:1.6;margin:12px 0 25px}#saved-codes{display:grid;gap:17px}.code-square{width:100%;aspect-ratio:1;border:1px solid #e4e4e4;border-radius:8px;padding:16px;display:flex;flex-direction:column;background:#fff;box-shadow:0 3px 10px #00000004}.code-square.selected{border-color:#a5c7e3}.square-heading{display:flex;align-items:center;gap:5px}.name-input{font-size:14px;font-weight:600;min-width:0;width:100%;background:transparent;border:1px solid transparent;color:#555;padding:5px 3px;margin-left:-4px;border-radius:3px}.name-input:hover{border-color:#ddd}.name-input:focus{background:#fafafa}.delete-button{font-size:19px;line-height:1;border:0;background:none;color:#aaa;flex-shrink:0;padding:5px;display:grid;place-items:center}.delete-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.delete-button:hover{color:#c24f4f}.square-code{flex:1;display:grid;place-items:center;background:none;border:0;font-size:35px;font-weight:700;letter-spacing:1px;font-variant-numeric:tabular-nums;color:#383838;padding:10px 0;min-height:85px}.square-code.eight-digits{font-size:28px}.square-code:hover{color:#428bca}.square-footer{display:flex;justify-content:space-between;align-items:center;color:#999;font-size:11px;margin-bottom:10px}.square-footer button{font-size:11px;border:0;background:none;color:#8c8c8c;padding:0}.square-footer button:hover{color:#428bca}.square-progress{height:5px;background:#eee;border-radius:4px;overflow:hidden}.square-progress>div{height:100%;background:#428bca;transition:width .2s linear}#empty-state{border:1px dashed #e1e1e1;border-radius:8px;aspect-ratio:1;text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:16px;color:#a4a4a4}.empty-grid{font-size:30px;color:#c7c7c7}#empty-state p{font-size:13px;margin:13px 0 8px}#empty-state small{font-size:11px;line-height:1.5;max-width:175px}.error{font-size:13px;color:#b44949;line-height:1.5;margin:12px 0 0}.error:empty{display:none}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,12px);background:#333;color:#fff;font-size:13px;border-radius:6px;padding:13px 20px;opacity:0;pointer-events:none;transition:.2s;z-index:5}#toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}@media(min-width:1500px){main{padding-top:50px}h1{;font-size:32px;font-weight:600;line-height:1.125;letter-spacing:normal;}.heading{margin-bottom:28px}form label{;font-size:16px;font-weight:700;line-height:1.5;}form input,form select{font-size:16px;line-height:1.5;height:40px;}.code-output{height:168px}.main-code{font-size:48px;font-weight:600;line-height:1.125;letter-spacing:normal;}}@media(max-width:1100px){main{padding:30px;grid-template-columns:minmax(0,1fr) 250px;gap:30px}h1{;font-size:32px;font-weight:600;line-height:1.125;letter-spacing:normal;}.heading{align-items:flex-start;margin-bottom:28px;flex-wrap:wrap;gap:10px}aside{padding-left:22px}.code-square{padding:13px}.square-code{font-size:29px}.square-code.eight-digits{font-size:23px}form label{;font-size:16px;font-weight:700;line-height:1.5;}form input,form select{;font-size:16px;line-height:1.5;height:40px;}.main-code{;font-size:48px;font-weight:600;line-height:1.125;letter-spacing:normal;}}@media(max-width:750px){main{padding:28px 23px;grid-template-columns:1fr;gap:32px}.heading{margin-bottom:25px;align-items:center}h1{font-size:32px;font-weight:600;line-height:1.125;letter-spacing:normal;}.text-button{font-size:12px}form label{margin:20px 0 9px;font-size:16px;font-weight:700;line-height:1.5;}form input,form select{font-size:16px;line-height:1.5;height:40px;}form input::placeholder{;font-size:16px;}.code-output{height:142px;margin-top:28px}.main-code{font-size:48px;font-weight:600;line-height:1.125;letter-spacing:normal;}.timer-label{;font-size:12px;line-height:1.5;}.progress{height:9px}.under-code{margin-top:20px}aside{border-left:0;border-top:1px solid #ededed;padding:25px 0 0;min-height:0}.sidebar-description{margin-bottom:20px}#saved-codes{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.code-square{padding:12px}.square-code{font-size:30px;letter-spacing:0;min-height:60px}.square-code.eight-digits{font-size:23px}.name-input{font-size:13px}.square-footer{font-size:10px;margin-bottom:8px}.square-footer button{font-size:10px}.privacy-note{margin-top:23px}#empty-state{aspect-ratio:auto;padding:28px}.empty-grid{font-size:25px}}@media(max-width:380px){main{padding:22px 17px}h1{;font-size:32px;font-weight:600;line-height:1.125;letter-spacing:normal;}.heading{gap:8px}.main-code{;font-size:48px;font-weight:600;line-height:1.125;letter-spacing:normal;}.square-code{font-size:25px}.square-code.eight-digits{font-size:20px}.code-square{padding:10px}.square-footer button{font-size:9px}.square-footer{font-size:9px}.delete-button{padding:3px}}

.square-code-row{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;min-width:0}.square-code-row .square-code{flex:0 1 auto;min-height:0;white-space:nowrap}.square-copy{padding:6px}.square-copy svg{width:18px;height:18px}@media(max-width:750px){.square-code-row{gap:4px}.square-copy{padding:3px}.square-copy svg{width:14px;height:14px}}@media(max-width:380px){.square-code-row .square-code.eight-digits{font-size:18px}}

.generator-settings{display:flex;justify-content:flex-end;margin:0;flex-shrink:0}.auto-save-setting{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#777;cursor:pointer}.auto-save-setting{position:relative}.auto-save-setting input{position:absolute;width:1px;height:1px;opacity:0;margin:0}.toggle-track{display:inline-block;position:relative;width:34px;height:20px;border-radius:20px;background:#c6cbd0;flex-shrink:0;transition:background .15s}.toggle-track::after{content:"";position:absolute;left:3px;top:3px;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0002;transition:transform .15s}.auto-save-setting input:checked+.toggle-track{background:#428bca}.auto-save-setting input:checked+.toggle-track::after{transform:translateX(14px)}.auto-save-setting input:focus-visible+.toggle-track{outline:3px solid #9bcaee;outline-offset:3px}@media(prefers-reduced-motion:reduce){.toggle-track,.toggle-track::after{transition:none}}.save-button{border:1px solid #428bca;border-radius:5px;background:#428bca;color:#fff;padding:8px 20px;font-size:14px;flex-shrink:0}.save-button:hover{background:#3278b5}.save-button:disabled{opacity:.45;cursor:default}

/* Keep the sidebar heading visible while the saved-code list scrolls. */
aside{position:sticky;top:40px;height:calc(100dvh - 80px);min-height:0;display:flex;flex-direction:column}
.saved-heading,.sidebar-description,#empty-state{flex-shrink:0}
#saved-codes{flex:1;min-height:0;overflow-y:auto;overscroll-behavior-y:contain;grid-auto-rows:max-content;align-content:start;scrollbar-gutter:stable;padding:4px 6px 4px 4px;margin:-4px -6px -4px -4px}
#saved-codes:empty{display:none}
@media(min-width:1500px){aside{top:50px;height:calc(100dvh - 100px)}}
@media(min-width:751px) and (max-width:1100px){aside{top:30px;height:calc(100dvh - 60px)}}
@media(max-width:750px){aside{position:static;height:auto;max-height:none}#saved-codes{flex:none;max-height:60dvh}}

.under-code:has(#save-status:empty):has(#save-button[hidden]){display:none}

.generator-intro{font-size:14px;line-height:1.6;color:#777;max-width:650px;margin:-12px 0 24px}.generator-guide{border-top:1px solid #eee;margin-top:32px;padding-top:20px;color:#777;font-size:13px;line-height:1.7}.generator-guide h2{font-size:17px;font-weight:600;color:#444;margin:0 0 10px}.generator-guide>p{margin:0 0 16px}.generator-guide details{border-top:1px solid #eee;padding:11px 0}.generator-guide summary{cursor:pointer;color:#555;font-weight:500}.generator-guide details p{margin:10px 0 2px}.generator-guide code{font-size:12px}

.heading{flex-wrap:nowrap;align-items:center}.heading h1{min-width:0}

/* Compact generator balanced within the main area, with a right-hand saved-code sidebar. */
main{width:100%;max-width:none;margin:0;grid-template-columns:minmax(0,1fr) 300px;gap:48px;justify-content:start}
.generator{width:100%;max-width:728px;min-width:0;justify-self:center}
.heading{margin-bottom:24px}
form label{margin-top:16px;margin-bottom:7px}
.code-output{height:96px;margin-top:24px}
.under-code{margin-top:16px;min-height:36px}
@media(min-width:751px) and (max-width:1100px){main{grid-template-columns:minmax(0,1fr) 250px;gap:30px}}
@media(max-width:750px){main{grid-template-columns:minmax(0,600px);gap:28px}.code-output{height:96px}}

/* Keep the main copy action explicit without crowding narrow screens. */
#copy-button{white-space:nowrap;background:#f5f6f7}
#copy-button:not(:disabled):hover{background:#eceff1}
@media(max-width:480px){#copy-button{flex-direction:column;gap:3px;font-size:12px}.code-output{gap:8px}}
@media(max-width:380px){#main-code:not(:disabled){font-size:clamp(32px,10vw,38px)}}