:root{color-scheme:dark;--bg:#191d1a;--panel:#202621;--panel-hover:#252d27;--line:#354037;--text:#eef0e8;--muted:#acb6aa;--faint:#7d8b7d;--accent:#e5ad7e;--accent-dark:#281f16;--input:#181e19;--paper:#d5c7a9;--paper-ink:#393e30;--success:#b6ca9e;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
:root[data-theme="light"]{color-scheme:light;--bg:#f3f2e9;--panel:#fafaf4;--panel-hover:#eeeee3;--line:#d5dacb;--text:#263327;--muted:#5b6a59;--faint:#6a7969;--accent:#a8552f;--accent-dark:#fff8ec;--input:#fffef7;--paper:#e0d1b3;--paper-ink:#393e30;--success:#4d6841}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);color:var(--text);line-height:1.55}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.shell{width:min(1160px,calc(100% - 72px));margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;background:var(--accent);color:var(--accent-dark);padding:12px;z-index:100}.skip:focus{top:10px}
.header{border-bottom:1px solid var(--line);background:var(--bg)}.header-inner{display:flex;align-items:center;min-height:86px;gap:42px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:17px;font-weight:650;letter-spacing:-.4px}.brand-mark{display:grid;place-items:center;background:#dca474;color:#231e16;border-radius:8px;width:33px;height:36px;font-size:24px;font-weight:650}.preview-tag{color:var(--faint);font-size:10px;font-weight:500;border:1px solid var(--line);padding:2px 6px;border-radius:4px;letter-spacing:.04em;margin-left:2px}.header nav{display:flex;gap:27px;font-size:13px;color:var(--muted)}.header nav a:hover,.header nav a.active{color:var(--text)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:21px}.theme-toggle{background:none;border:0;color:var(--muted);font-size:23px;padding:5px;width:36px;height:40px}.button{display:inline-flex;justify-content:center;align-items:center;gap:25px;padding:13px 20px;min-height:48px;font-size:13px;font-weight:600;border:1px solid transparent;border-radius:6px;white-space:nowrap}.button span{font-size:17px}.button.small{min-height:39px;padding:7px 13px;gap:16px;font-size:12px}.button.primary{background:var(--accent);color:var(--accent-dark)}.button.primary:hover{filter:brightness(1.08)}.button.outline{background:transparent;border-color:var(--line);color:var(--text)}.button.outline:hover{background:var(--panel)}.text-link{background:none;border:0;padding:0;font-size:13px;display:inline-flex;align-items:center;gap:18px;color:var(--muted);text-align:left}.text-link:hover{color:var(--accent)}.eyebrow{font-size:10px;font-weight:600;letter-spacing:.15em;color:var(--muted);margin:0 0 22px;display:flex;align-items:center;gap:9px}.status-dot{height:6px;width:6px;background:var(--success);border-radius:50%}.hero{display:grid;grid-template-columns:1.35fr 1fr;gap:105px;align-items:center;padding:78px 0 70px}.hero h1,.member-heading h1{font-size:clamp(54px,6.2vw,78px);font-weight:470;line-height:1.04;letter-spacing:-4px;margin:0 0 27px}.hero h1 em,.member-heading h1 em{font-family:Georgia,"Times New Roman",serif;font-weight:400;color:var(--accent);letter-spacing:-3px}.hero-description{color:var(--muted);font-size:15px;line-height:1.8;margin:0 0 29px}.hero-actions{display:flex;align-items:center;gap:29px}.hero-footnote{font-size:11px;color:var(--faint);margin:24px 0 0}.paper{position:relative;background:var(--paper);color:var(--paper-ink);padding:27px 28px 31px;min-height:308px;transform:rotate(3deg);box-shadow:0 12px 30px #00000018;border-radius:3px}.paper:after{content:"";position:absolute;z-index:-1;left:0;top:8px;width:98%;height:98%;background:#9b9978;opacity:.2;transform:rotate(-3deg);border-radius:3px}.paper-top{display:flex;justify-content:space-between;align-items:center}.paper-label{font-size:9px;letter-spacing:.15em;font-weight:650}.paper-pin{display:block;width:8px;height:8px;border-radius:50%;background:#62674b;box-shadow:0 2px 2px #0003}.paper-title{font-family:Georgia,"Times New Roman",serif;font-size:30px;line-height:1.3;letter-spacing:-.6px;margin:28px 0 24px}.paper-lines{display:grid;gap:17px;margin-bottom:27px}.paper-lines span{border-bottom:1px solid #75786244}.paper-action{background:none;border:0;padding:0;display:flex;justify-content:space-between;width:100%;color:var(--paper-ink);font-size:12px;font-weight:600}.paper-number{display:block;font-size:8px;letter-spacing:.13em;color:#727563;margin-top:20px}
.tools-section{padding:26px 0 52px;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:23px}.section-heading .eyebrow{font-size:9px;margin-bottom:10px}.section-heading h2{font-size:23px;line-height:1.25;font-weight:500;letter-spacing:-.6px;margin:0}.section-aside{color:var(--faint);font-size:11px;padding-bottom:3px}.tools-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.tool-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:23px;display:flex;flex-direction:column;text-align:left;transition:background .15s,border-color .15s}.tool-card:hover{background:var(--panel-hover);border-color:var(--faint)}.tool-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.tool-icon{display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;width:39px;height:39px;color:var(--muted)}svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.tool-arrow{font-size:18px;color:var(--faint)}.tool-example{display:block;height:52px;color:var(--text);margin-bottom:19px}.note-example{font-family:Georgia,"Times New Roman",serif;font-style:italic;font-size:21px;line-height:1.4;padding-top:13px;letter-spacing:-.4px}.timer-example{font-size:44px;font-weight:300;line-height:1;letter-spacing:-2px;font-variant-numeric:tabular-nums}.timer-example span{color:var(--faint)}.math-example{font-size:34px;font-weight:400;line-height:1.25;letter-spacing:-1.5px}.math-example span{font-size:17px;color:var(--faint);letter-spacing:0}.tool-title{font-size:15px;font-weight:550;margin-bottom:6px}.tool-description{font-size:11px;color:var(--muted);margin-bottom:21px}.tool-meta{border-top:1px solid var(--line);padding-top:13px;font-size:10px;color:var(--faint)}
.bottom-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:56px;border-top:1px solid var(--line);padding:36px 0 55px}.notes-section .section-heading{align-items:center}.notes-section h2{font-size:20px}.notes-list{display:grid;gap:10px}.empty-notes{padding:24px;border:1px dashed var(--line);border-radius:6px;min-height:146px;display:flex;align-items:flex-start;justify-content:center;flex-direction:column}.empty-notes strong{font-size:14px;font-weight:500}.empty-notes p{color:var(--muted);font-size:12px;max-width:340px;margin:7px 0 0}.local-note{font-size:11px;color:var(--faint);line-height:1.65;margin-top:13px}.note-row{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:17px 19px;display:flex;justify-content:space-between;gap:16px}.note-row>div{min-width:0}.note-row h3{margin:0 0 7px;font-weight:500;font-size:14px;overflow-wrap:anywhere}.note-row p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;color:var(--muted);margin:0}.delete-note{background:none;border:0;padding:0;width:30px;height:30px;font-size:19px;color:var(--faint);flex-shrink:0}.about-card{position:relative;padding:4px 0 0 27px;border-left:1px solid var(--line)}.about-symbol{position:absolute;right:0;top:-6px;color:var(--accent);font-size:45px;font-weight:200}.about-card .eyebrow{font-size:8px;letter-spacing:.13em;max-width:190px;margin-bottom:19px}.about-card h2{font-size:27px;font-weight:450;line-height:1.15;letter-spacing:-.7px;margin:0 0 15px}.about-card p:not(.eyebrow){color:var(--muted);font-size:12px;max-width:280px;line-height:1.75;margin:0 0 19px}.about-card .text-link{font-size:12px}.footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding-block:24px;color:var(--faint);font-size:10px}.footer-divider{color:var(--line);margin:0 12px}
dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:30px;width:min(520px,calc(100% - 32px));max-height:calc(100dvh - 40px);overflow:auto;box-shadow:0 20px 80px #0006}dialog::backdrop{background:#0c140fcc;backdrop-filter:blur(5px)}.dialog-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:25px}.dialog-heading .eyebrow{margin-bottom:8px;font-size:9px}.dialog-heading h2{font-size:25px;font-weight:450;letter-spacing:-.5px;line-height:1.3;margin:0}.close-button{flex-shrink:0;border:1px solid var(--line);background:none;width:34px;height:34px;font-size:22px;border-radius:6px;color:var(--muted)}.field{display:flex;flex-direction:column;gap:9px;font-size:12px;margin:20px 0}.field input,.field textarea{background:var(--input);border:1px solid var(--line);border-radius:6px;padding:12px;width:100%;font-size:14px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:var(--faint)}.dialog-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:23px}.dialog-footer .local-note{margin:0}.duration-options{display:flex;justify-content:center;gap:8px}.duration-options button{padding:8px 15px;background:none;border:1px solid var(--line);border-radius:6px;font-size:12px;color:var(--muted)}.duration-options [aria-pressed="true"]{background:var(--accent);color:var(--accent-dark);border-color:var(--accent)}.timer-face{width:230px;height:230px;border:1px solid var(--line);outline:8px solid var(--input);border-radius:50%;margin:30px auto;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px}.timer-face output{font-size:49px;font-weight:300;letter-spacing:-2px;font-variant-numeric:tabular-nums}.timer-face span{font-size:11px;color:var(--muted)}.timer-actions{display:flex;justify-content:center;gap:12px}.math-result{border-top:1px solid var(--line);padding:24px 0 8px;display:flex;flex-direction:column;gap:14px}.math-result span{font-size:9px;letter-spacing:.14em;color:var(--faint)}.math-result output{font-size:38px;line-height:1.2;letter-spacing:-1px;overflow-wrap:anywhere}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:12px 22px;background:var(--accent);color:var(--accent-dark);border-radius:8px;box-shadow:0 6px 30px #0003;font-size:13px;z-index:100;max-width:calc(100% - 24px);text-align:center}
.signin-page{min-height:100dvh;display:flex;flex-direction:column}.signin-main{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:25px;padding:55px 20px 60px}.signin-card{width:min(460px,100%);padding:38px;border:1px solid var(--line);border-radius:12px;background:var(--panel);text-align:center}.signin-emblem{display:grid;place-items:center;width:51px;height:51px;border:1px solid var(--line);border-radius:14px;margin:0 auto 24px;color:var(--accent)}.signin-emblem svg{width:25px;height:25px}.signin-card .eyebrow{justify-content:center;font-size:9px;margin:0 0 16px}.signin-card h1{font-size:44px;font-weight:450;line-height:1.1;letter-spacing:-2px;margin:0 0 21px}.signin-card>p:not(.eyebrow){color:var(--muted);font-size:12px;line-height:1.75}.sample-profile{margin:28px 0 19px;display:flex;align-items:center;gap:12px;padding:15px;border:1px solid var(--line);border-radius:7px;text-align:left}.sample-avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;color:var(--accent);background:var(--bg);border:1px solid var(--line);font-size:12px;flex-shrink:0}.sample-profile strong{display:block;font-size:12px;font-weight:550}.sample-profile small{display:block;font-size:10px;color:var(--faint);margin-top:3px}.profile-check{color:var(--success);margin-left:auto}.full-width{width:100%}.signin-card .signin-footnote{font-size:10px;margin:0}.form-error{color:#f6b7a5;min-height:0;margin:12px 0!important}.form-error:empty{margin:0!important}.member-profile{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--muted);white-space:nowrap}.member-profile .sample-avatar{width:28px;height:28px;font-size:10px}.library-main{padding:45px 0 60px;min-height:75vh}.member-heading{display:flex;justify-content:space-between;align-items:center;gap:60px;padding:15px 0 41px}.member-heading h1{font-size:54px;letter-spacing:-2.8px;line-height:1.1;margin:0 0 14px}.member-heading h1 em{letter-spacing:-2px}.member-heading .eyebrow{font-size:9px;margin-bottom:16px}.member-heading p:not(.eyebrow){color:var(--muted);font-size:13px;margin:0}.member-note{max-width:270px;border-left:1px solid var(--line);padding-left:27px}.member-note-icon{display:block;font-size:34px;color:var(--accent);margin-bottom:9px;line-height:1}.member-note strong{font-size:14px;font-weight:500}.member-note p{font-size:11px!important;line-height:1.8;margin-top:9px!important}.library-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 0;border-block:1px solid var(--line)}.library-search{display:flex;align-items:center;gap:13px;max-width:400px;width:100%;color:var(--faint)}.library-search svg{width:18px;height:18px;flex-shrink:0}.library-search input{border:0;background:none;width:100%;min-width:0;outline-offset:3px;padding:10px 0;font-size:13px}.library-search input::placeholder{color:var(--faint)}.library-sort{display:flex;align-items:center;gap:10px;color:var(--faint);font-size:11px}.library-sort select{background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:8px 12px;font-size:12px}.library-meta{display:flex;justify-content:space-between;gap:20px;margin:19px 0;color:var(--faint);font-size:10px}.library-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.library-card{position:relative;min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column}.library-card:hover{border-color:var(--faint)}.cover-button{width:100%;display:block;background:var(--input);border:0;padding:0;aspect-ratio:8/5;overflow:hidden}.cover-button img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.cover-button:hover img{transform:scale(1.025)}.star-button{position:absolute;right:9px;top:9px;border:1px solid #ffffff3d;border-radius:6px;background:#19241fe6;color:#f0e9d9;width:31px;height:31px;font-size:20px;display:grid;place-items:center;padding:0}.star-button[aria-pressed="true"]{color:#e9b481}.library-card-body{padding:15px;flex:1;display:flex;flex-direction:column;gap:9px}.library-card h2{font-size:13px;font-weight:550;line-height:1.4;margin:0}.library-card p{font-size:10px;line-height:1.7;color:var(--muted);margin:0 0 6px}.card-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto}.card-footer>span{font-size:9px;color:var(--faint)}.card-open{font-size:10px;min-height:32px;padding:6px 10px;gap:12px}.empty-search{text-align:center;padding:60px 20px;color:var(--muted)}.activity-dialog{width:min(720px,calc(100% - 32px))}.activity-dialog>img{width:100%;aspect-ratio:8/5;object-fit:cover;border-radius:6px}.activity-dialog>p{font-size:13px;line-height:1.8;color:var(--muted)}.activity-dialog>.local-note{font-size:11px}.activity-dialog .dialog-footer{justify-content:flex-end}
@media(min-width:1500px){.shell{width:min(1240px,calc(100% - 100px))}.hero{gap:150px;padding-top:95px;padding-bottom:85px}.paper{max-width:430px}.hero h1{font-size:86px}}
@media(max-width:1000px){.shell{width:calc(100% - 48px)}.header-inner{gap:25px}.header nav{gap:20px}.hero{gap:48px;padding-top:60px}.hero h1{font-size:65px}.hero-description{font-size:14px}.hero-actions{gap:21px}.hero-actions .text-link{font-size:12px;gap:8px}.paper{padding:24px}.paper-title{font-size:27px}.tool-card{padding:19px}.note-example{font-size:19px}.tool-description{min-height:35px}.library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.member-profile{display:none}}
@media(max-width:720px){.shell{width:calc(100% - 36px)}.header-inner{min-height:76px;gap:18px;flex-wrap:wrap}.brand{font-size:15px}.brand-mark{width:29px;height:31px;font-size:21px}.preview-tag{font-size:8px}.header nav{order:3;width:100%;padding:0 0 16px;gap:27px}.header-actions{gap:8px}.header .button.small{font-size:11px;gap:10px;padding:7px 10px}.theme-toggle{font-size:21px;width:29px}.hero{grid-template-columns:1fr;gap:38px;padding:45px 0 49px}.hero h1{font-size:66px}.hero-description{font-size:14px}.hero-actions{gap:26px}.paper{min-height:245px;width:calc(100% - 16px);transform:rotate(1.5deg);padding:24px}.paper-title{margin:22px 0;font-size:27px}.paper-lines{gap:13px;margin-bottom:23px}.paper-lines span:last-child{display:none}.paper-number{position:absolute;right:24px;bottom:24px;margin:0}.paper-action{max-width:220px;font-size:11px}.section-heading{align-items:flex-start}.section-heading h2{font-size:21px;max-width:220px}.section-aside{display:none}.tools-grid{grid-template-columns:1fr;gap:12px}.tool-card{position:relative;padding:21px;min-height:170px}.tool-top{margin-bottom:14px}.tool-icon{width:34px;height:34px}.tool-example{position:absolute;right:22px;top:66px;max-width:52%;margin:0}.note-example{font-size:18px;max-width:155px;text-align:right}.timer-example{font-size:40px}.math-example{font-size:29px}.math-example span{display:block;font-size:13px;text-align:right}.tool-description{min-height:0;max-width:62%;margin-bottom:18px;font-size:11px}.tool-title{font-size:15px}.tool-meta{padding-top:12px;font-size:10px}.bottom-grid{grid-template-columns:1fr;gap:32px;padding-top:31px}.about-card{padding:24px;border:1px solid var(--line);border-radius:8px}.about-symbol{right:24px;top:16px}.about-card p:not(.eyebrow){max-width:350px}.footer{font-size:9px;gap:18px;flex-wrap:wrap}.member-heading{padding:5px 0 31px}.member-heading h1{font-size:46px}.member-note{display:none}.library-main{padding-top:31px}.library-meta>span:last-child{max-width:160px;text-align:right}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.library-card-body{padding:12px}.library-card h2{font-size:12px}.library-card p{font-size:10px}.card-footer>span{font-size:8px}.card-open{padding:5px 8px;font-size:10px;gap:6px}.signin-main{padding-top:35px}.signin-card{padding:30px 24px}.signin-card h1{font-size:40px}.signin-page .header .header-actions>.text-link{font-size:10px;gap:7px}.signin-page .header .theme-toggle{display:none}.signin-page .brand{gap:8px}.signin-page .header-inner{min-height:74px}.dialog-heading h2{font-size:23px}dialog{padding:24px}.member-profile{display:none}}
@media(max-width:370px){.brand .preview-tag{display:none}.header .button.small{font-size:10px}.hero-actions{gap:20px}.hero-actions .text-link{font-size:11px}.hero h1{font-size:61px}.tool-description{max-width:65%}.note-example{font-size:16px;max-width:128px}.library-grid{grid-template-columns:1fr}.library-card-body p{font-size:11px}.library-toolbar{gap:13px}.library-search input{font-size:12px}.library-sort{gap:6px}.library-sort select{padding:8px}.footer-divider{margin:0 5px}.member-heading h1{font-size:42px}.signin-card h1{font-size:35px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}