:root{color-scheme:light;--page:#f7f8fa;--text:#20252d;--sidebar:#f0f2f5;--surface:#ffffff;--library:#fbfcfd;--code:#fafbfc;--border:#e0e4e9;--active:#e8f3ef;--muted:#65717e;--accent:#236a52;--button:#202c29;--button-text:#fff;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--text);background:var(--page);font-synthesis:none}
:root[data-theme="dark"]{color-scheme:dark;--page:#101216;--text:#e6eaf0;--sidebar:#15181e;--surface:#191d24;--library:#161a20;--code:#13171d;--border:#2c333d;--active:#20362f;--muted:#a0aab7;--accent:#83d1b2;--button:#295b48}
*{box-sizing:border-box}body{margin:0;display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100dvh}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}button:hover:not(:disabled){filter:brightness(.96)}:where(button,a,input,select,textarea):focus-visible{outline:2px solid #8aaf86;outline-offset:3px}button,select{min-height:44px}input::placeholder,textarea::placeholder{color:var(--muted);opacity:.85}
.sidebar{display:flex;flex-direction:column;gap:32px;padding:32px 24px;background:var(--sidebar);border-right:1px solid var(--border);min-width:0}.brand{display:flex;align-items:center;gap:8px;font-size:25px;font-weight:700;letter-spacing:-1px;color:var(--text);text-decoration:none}.brand-icon{display:grid;place-items:center;background:var(--button);color:#fff;border-radius:8px;width:36px;height:36px;font-size:26px;letter-spacing:0}.brand-dot{color:var(--accent);margin-left:-8px}.new-button{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 12px;border:0;border-radius:7px;background:var(--button);color:var(--button-text);font-size:14px}.new-button kbd{margin-left:auto;background:transparent;color:#dce7d8;border-color:#6b826d;white-space:nowrap}.sidebar-bottom{margin-top:auto;display:flex;flex-direction:column;gap:24px;padding-top:32px}.local-indicator{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;line-height:1.5}.local-indicator span{width:6px;height:6px;background:#829f72;border-radius:50%;flex-shrink:0}.theme-control{display:flex;flex-direction:column;gap:8px;min-width:0;font-size:12px;color:var(--muted)}
select{width:100%;min-width:0;appearance:none;-webkit-appearance:none;border:1px solid var(--border);border-radius:6px;padding:10px 36px 10px 12px;background-color:var(--surface);color:var(--text);font-size:16px;line-height:22px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%2366725f' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:14px}select option{background:var(--surface);color:var(--text)}[data-theme="dark"] select{color-scheme:dark;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23bdd6a9' stroke-width='1.5'/%3E%3C/svg%3E")}[data-theme="light"] select{color-scheme:light}.backup-actions{display:grid;grid-template-columns:1fr;gap:8px}.backup-actions button{border:1px solid var(--border);background:transparent;color:var(--muted);border-radius:6px;font-size:12px;padding:10px 12px;text-align:left}
main{width:100%;max-width:1440px;min-width:0;padding:40px;align-self:start;margin:0 auto}header{margin-bottom:28px}h1{font-size:32px;letter-spacing:-1px;line-height:1.25;margin:0 0 8px;font-weight:600}header p{margin:0;font-size:14px;line-height:1.6;color:var(--muted)}.workspace{display:grid;grid-template-columns:260px minmax(0,1fr);border:1px solid var(--border);border-radius:10px;background:var(--surface);overflow:hidden}.library{min-width:0;background:var(--library);padding:20px 16px;border-right:1px solid var(--border)}.library-heading{margin-bottom:16px}h2{font-size:14px;line-height:1.5;margin:0;font-weight:600}h2 span{font-size:12px;margin-left:6px;color:var(--muted)}.search{display:flex;align-items:center;gap:8px;padding:0 12px;min-height:44px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--muted);margin-bottom:12px}.search:focus-within{outline:2px solid #8aaf86;outline-offset:2px}.search input{font-size:16px;background:transparent;border:0;outline:0;width:100%;min-width:0;color:var(--text)}.search>span{font-size:22px}kbd{font-family:inherit;font-size:10px;line-height:16px;padding:1px 4px;border:1px solid var(--border);border-radius:3px;background:var(--code);color:var(--muted)}.limits{font-size:11px;line-height:1.6;color:var(--muted);margin:0 0 16px}.snippet{display:block;width:100%;padding:12px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--text);text-align:left}.snippet+.snippet{margin-top:8px}.snippet.active{background:var(--active);border-color:var(--border)}.snippet-title{display:block;white-space:normal;overflow-wrap:anywhere;font-size:14px;font-weight:600;line-height:1.5;margin-bottom:8px}.snippet-excerpt{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;font-size:12px;line-height:1.5;color:var(--muted);margin-bottom:10px}.snippet-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;font-size:11px;line-height:1.5;color:var(--muted)}.language-tag{padding:2px 6px;background:var(--active);color:var(--accent);border-radius:4px}.empty{padding:20px 8px;color:var(--muted);font-size:14px;line-height:1.7;text-align:center}
.editor{min-width:0;padding:20px 24px 24px}.editor-top{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;margin-bottom:16px}.editor-top>div{display:flex;gap:4px;flex-shrink:0}.status{font-size:11px;line-height:1.6;color:var(--muted)}.icon-button{display:grid;place-items:center;width:44px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:22px}.title-input{display:block;width:100%;padding:0;border:0;resize:none;overflow:hidden;min-height:34px;line-height:1.4;white-space:pre-wrap;overflow-wrap:anywhere;background:transparent;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:24px;font-weight:600;letter-spacing:-.5px;margin:0 0 20px}.editor-meta{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}.language-control{display:flex;flex-direction:column;gap:8px;width:210px;max-width:100%;font-size:12px;color:var(--muted)}#updated{font-size:11px;line-height:1.6;color:var(--muted);padding-bottom:12px}.code-panel{border:1px solid var(--border);border-radius:7px;overflow:hidden;background:var(--code)}.code-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;border-bottom:1px solid var(--border)}#filename{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:ui-monospace,'SFMono-Regular',Consolas,monospace;font-size:11px;color:var(--muted)}.view-tabs{display:flex;gap:4px;flex-shrink:0}.view-tabs button{min-height:40px;border:0;border-radius:4px;background:transparent;color:var(--muted);font-size:12px;padding:8px 10px}.view-tabs .selected{background:var(--active);color:var(--accent)}.code-area{height:360px}#content,pre{display:block;width:100%;height:100%;padding:16px;margin:0;border:0;resize:none;overflow:auto;background:transparent;color:var(--text);font-family:ui-monospace,'SFMono-Regular',Consolas,monospace;font-size:14px;line-height:1.7;tab-size:2;white-space:pre}#content[wrap="soft"],pre.wrap-text{white-space:pre-wrap;overflow-wrap:anywhere}[hidden]{display:none!important}pre code.hljs{padding:0;background:transparent;overflow:visible}pre code{font-family:inherit}.code-footer{border-top:1px solid var(--border);padding:10px 12px;font-size:11px;line-height:1.6;color:var(--muted);overflow-wrap:anywhere}.editor-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px}.editor-bottom>span{font-size:11px;line-height:1.5;color:var(--muted)}.copy-button{padding:12px 20px;border:0;border-radius:6px;background:var(--button);color:var(--button-text);font-size:14px}
#toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:calc(100vw - 32px);width:max-content;padding:12px 18px;z-index:10;border-radius:7px;background:var(--button);color:#fff;font-size:13px;line-height:1.6;text-align:center;opacity:0;pointer-events:none}#toast.visible{opacity:1}dialog{width:calc(100vw - 32px);max-width:380px;padding:24px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text)}dialog::backdrop{background:#14231988}dialog h2{font-size:20px}dialog p{color:var(--muted);font-size:14px;line-height:1.6;margin:12px 0 24px}dialog>div{display:flex;gap:12px;flex-wrap:wrap}dialog button{padding:10px 14px;border:1px solid var(--border);border-radius:6px;background:var(--code);color:var(--text)}#confirm-delete{background:#8a4940;color:#fff;border-color:#8a4940}
[data-theme="dark"] .hljs{color:#d5e0d2}[data-theme="dark"] :is(.hljs-keyword,.hljs-selector-tag,.hljs-literal){color:#d6adf5}[data-theme="dark"] :is(.hljs-string,.hljs-regexp,.hljs-attr){color:#b5d895}[data-theme="dark"] :is(.hljs-number,.hljs-symbol,.hljs-built_in){color:#efc38e}[data-theme="dark"] :is(.hljs-title,.hljs-type){color:#9acde4}[data-theme="dark"] :is(.hljs-comment,.hljs-quote){color:#96a78e}[data-theme="dark"] :is(.hljs-variable,.hljs-params){color:#d5e0d2}
@media(max-width:1100px){body{grid-template-columns:210px minmax(0,1fr)}.sidebar{padding:28px 20px}main{padding:28px 24px}.workspace{grid-template-columns:220px minmax(0,1fr)}.editor{padding:16px}.editor-bottom>span{display:none}.copy-button{width:100%}.editor-meta{gap:8px}#updated{padding:0}}
@media(max-width:900px){body{display:block}.sidebar{padding:20px 24px;border-right:0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:1fr auto;gap:20px}.new-button{min-width:150px}.new-button kbd{display:none}.sidebar-bottom{grid-column:1/-1;margin:0;padding:0;display:grid;grid-template-columns:minmax(140px,210px) minmax(0,1fr);gap:20px;align-items:end}.local-indicator{display:none}.backup-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.backup-actions button{text-align:center}.workspace{grid-template-columns:240px minmax(0,1fr)}}
@media(max-width:650px){.sidebar{padding:16px max(16px,env(safe-area-inset-right)) 16px max(16px,env(safe-area-inset-left));gap:16px}.brand{font-size:22px}.brand-icon{width:32px;height:32px}.new-button{min-width:0;padding:10px 12px;font-size:13px}.sidebar-bottom{grid-template-columns:minmax(0,1fr);gap:12px}.theme-control{display:grid;grid-template-columns:1fr minmax(120px,1fr);align-items:center;gap:16px;font-size:13px}.backup-actions{gap:12px}.backup-actions button{font-size:13px}main{padding:24px max(12px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}header{margin:0 4px 20px}h1{font-size:28px}.workspace{grid-template-columns:minmax(0,1fr)}.library{padding:16px 12px;border-right:0;border-bottom:1px solid var(--border)}.library-heading{margin-bottom:12px}.search kbd{display:none}.limits{margin-bottom:12px}#snippet-list{max-height:220px;overflow-x:hidden;overflow-y:auto;overscroll-behavior-y:contain}.snippet{padding:10px 12px}.snippet+.snippet{margin-top:6px}.snippet-excerpt{display:none}.editor{padding:16px 12px}.editor-top{margin-bottom:12px}.title-input{font-size:22px;margin-bottom:16px}.editor-meta{display:grid;grid-template-columns:minmax(0,1fr);gap:8px;margin-bottom:16px}.language-control{width:100%;display:grid;grid-template-columns:80px minmax(0,1fr);align-items:center;gap:12px}#updated{padding:0}.code-toolbar{padding:8px;gap:8px}.view-tabs button{min-height:44px;padding:8px}.code-area{height:clamp(260px,42dvh,440px)}#content,pre{font-size:16px;padding:12px}.code-footer{font-size:10px;padding:10px}.editor-bottom{margin:16px 0 0}.copy-button{min-height:48px;font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Restrained utility styling: clear hierarchy, consistent controls, one accent. */
svg{display:block;width:18px;height:18px;flex-shrink:0}.brand{font-size:23px;letter-spacing:-.8px;gap:10px}.brand-icon{width:34px;height:34px;background:var(--text);color:var(--surface);border-radius:9px}.brand-icon svg{width:21px;height:21px}.brand-dot{display:none}.sidebar{gap:28px}.sidebar-bottom{gap:20px}.new-button{box-shadow:0 1px 2px #00000012;font-weight:600}.new-button kbd{border-color:#ffffff35}.eyebrow{display:block;color:var(--muted);font-size:10px;letter-spacing:1.8px;font-weight:600;margin-bottom:12px}header h1{font-size:36px;letter-spacing:-1.5px;font-weight:650}header p{color:var(--muted)}.workspace{box-shadow:0 2px 8px #00000005;border-radius:12px}.library-heading h2{font-size:12px;letter-spacing:.2px}.library-heading h2 span{display:inline-block;padding:1px 6px;border:1px solid var(--border);border-radius:5px;background:var(--surface);font-size:10px}.search{border-radius:8px}.search svg{width:16px;height:16px}.search input{font-size:14px}.snippet{border-radius:8px;transition:background .15s,border-color .15s}.snippet:not(.active):hover{background:var(--page)}.snippet.active{border-color:color-mix(in srgb,var(--accent) 30%,var(--border))}.snippet-title{font-size:13px;font-weight:600}.language-tag{font-family:ui-monospace,monospace;font-size:10px;border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:4px}.snippet.active .language-tag{color:var(--accent);border-color:transparent;background:var(--active)}.snippet-meta{font-size:10px}.limits{font-size:10px}.editor-top{border-bottom:1px solid var(--border);padding-bottom:12px;margin-bottom:22px}.icon-button:hover:not(:disabled){background:var(--active)}.icon-button svg{width:18px;height:18px}.title-input{font-weight:600;font-size:24px;letter-spacing:-.7px}.editor-meta{margin-bottom:24px}.theme-control>span,.language-control>span{font-size:11px;font-weight:500;letter-spacing:.1px}select{font-size:14px;border-radius:13px}.backup-actions button{border-radius:8px;display:flex;align-items:center;justify-content:center}.code-panel{border-radius:9px}.code-toolbar{background:var(--library)}.view-tabs{padding:3px;border:1px solid var(--border);border-radius:7px;gap:2px;background:var(--code)}.view-tabs button{min-height:30px;padding:5px 10px;font-size:11px}.view-tabs .selected{background:var(--surface);color:var(--text);box-shadow:0 1px 3px #00000015}.code-footer{font-family:ui-monospace,monospace;font-size:10px}#content::placeholder{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:15px}.copy-button{display:flex;align-items:center;justify-content:center;gap:9px;font-weight:600}.copy-button svg{width:16px;height:16px}.editor-bottom{margin-top:18px}.empty{border:1px dashed var(--border);border-radius:8px;font-size:13px;margin-top:8px}.title-input:disabled{opacity:1}select:disabled{opacity:.5}.status{font-size:11px}#toast{box-shadow:0 5px 24px #00000026}
@media(max-width:900px){.sidebar{gap:20px}.sidebar-bottom{gap:20px}}
@media(max-width:650px){.sidebar{gap:16px}.sidebar-bottom{gap:12px}.brand{font-size:22px}.eyebrow{font-size:9px;margin-bottom:10px}header h1{font-size:30px}header p{font-size:13px}.search input,select{font-size:16px}.editor-top{margin-bottom:18px;padding-bottom:10px}.title-input{font-size:22px}.editor-meta{margin-bottom:18px}.view-tabs button{min-height:38px;padding:8px}.code-toolbar{padding:8px}.code-area{height:clamp(280px,42dvh,460px)}}
/* Soft ambient color behind the workspace; reading surfaces stay opaque. */
:root{--glow-mint:#51c5a126;--glow-violet:#8f79dc24;--glow-blue:#68b5ea1c}
:root[data-theme="dark"]{--glow-mint:#2bba8a21;--glow-violet:#8d68e931;--glow-blue:#428dcc1c}
body{background:radial-gradient(ellipse 58% 48% at 36% 0%,var(--glow-mint),transparent 78%),radial-gradient(ellipse 52% 55% at 100% 7%,var(--glow-violet),transparent 78%),radial-gradient(ellipse 65% 42% at 80% 100%,var(--glow-blue),transparent 80%),var(--page)}
.workspace{box-shadow:0 8px 40px #00000008,0 0 0 1px #ffffff08}
[data-theme="dark"] .workspace{box-shadow:0 12px 48px #00000022,0 0 0 1px #ffffff03}
@media(max-width:900px){body{background:radial-gradient(ellipse 90% 650px at 0% 160px,var(--glow-mint),transparent 80%),radial-gradient(ellipse 90% 700px at 100% 250px,var(--glow-violet),transparent 80%),var(--page)}}
.sync-panel{padding:16px 20px;margin-bottom:20px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:9px;background:var(--surface)}.sync-panel p{font-size:13px;line-height:1.6;margin:0 0 12px;color:var(--text)}.sync-panel>div{display:flex;gap:10px;flex-wrap:wrap}.sync-panel button{padding:10px 14px;border:1px solid var(--border);border-radius:6px;background:var(--code);color:var(--text);font-size:12px}@media(max-width:650px){.sync-panel{padding:14px}.sync-panel button{flex:1 0 130px}}

/* Match the softer control shape, including the popup in supporting desktop browsers. */
select{padding-left:14px;background-position:right 14px center;box-shadow:0 1px 2px #00000005}
@supports (appearance:base-select){
 @media (hover:hover) and (pointer:fine){
  select,select::picker(select){appearance:base-select}
  select{display:flex;align-items:center;min-height:44px}
  select::picker-icon{display:none}
  select::picker(select){background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:14px;padding:6px;box-shadow:0 12px 32px #00000024;margin-block:6px;max-height:min(340px,50dvh);overflow-y:auto}
  select option{display:flex;align-items:center;gap:10px;min-height:40px;padding:9px 12px;border:0;border-radius:9px;background:transparent;color:var(--text);font:inherit}
  select option:is(:hover,:focus-visible,:checked){background:var(--active);color:var(--accent)}
  select option::checkmark{color:var(--accent)}
 }
}

/* Present before JavaScript starts, then removed after the first valid snapshot. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.library,.editor{position:relative}
.loading-skeleton{display:none;pointer-events:none}
.workspace[data-loading="true"] :is(.library,.editor)>:not(.loading-skeleton){visibility:hidden}
.workspace[data-loading="true"] .loading-skeleton{display:flex;flex-direction:column;gap:16px;position:absolute;inset:20px 24px 24px;overflow:hidden}
.skeleton{display:block;flex-shrink:0;height:12px;border-radius:6px;background:var(--border);animation:skeleton-pulse 1.6s ease-in-out infinite}
.sk-heading{width:45%;height:14px;margin:4px 0 8px}.sk-search{height:44px;width:100%;border-radius:8px}.sk-caption{height:10px;width:65%}.sk-card{display:flex;flex-direction:column;gap:16px;padding:16px;border:1px solid var(--border);border-radius:8px}.sk-title{width:70%;height:14px}.sk-line{width:90%}.sk-short{width:55%}
.sk-status{display:flex;align-items:center;min-height:57px;border-bottom:1px solid var(--border);margin-bottom:6px}.sk-status .skeleton{width:35%}.sk-editor-title{width:55%;height:28px;margin-bottom:4px}.sk-select{width:min(210px,100%);height:44px;margin:12px 0 8px;border-radius:13px}.sk-code{display:flex;flex-direction:column;gap:18px;flex:1;min-height:160px;padding:68px 16px 16px;border:1px solid var(--border);border-radius:9px;background:var(--code)}.sk-code .skeleton{height:10px}.sk-code .sk-line:nth-child(2){width:75%}.sk-button{width:130px;height:44px;align-self:flex-end}
.workspace[aria-busy="false"] .skeleton{animation:none}
@keyframes skeleton-pulse{0%,100%{opacity:.45}50%{opacity:.85}}
@media(max-width:650px){.workspace[data-loading="true"] .loading-skeleton{inset:16px 12px}.workspace[data-loading="true"] .library-skeleton{gap:12px}.sk-card{gap:12px;padding:12px}.sk-card .sk-line{display:none}.sk-card .sk-caption{margin-top:4px}.sk-status{min-height:55px}.sk-editor-title{height:26px}.sk-select{width:70%;align-self:flex-end;margin-top:4px}.sk-button{width:100%;height:48px}}
@media(prefers-reduced-motion:reduce){.skeleton{animation:none}}

/* Standalone error page, using the app's existing theme and ambient background. */
body.not-found-page{display:grid;grid-template-columns:minmax(0,1fr);place-items:center;padding:32px max(20px,env(safe-area-inset-right)) 32px max(20px,env(safe-area-inset-left))}
.not-found-shell{width:100%;max-width:680px}.not-found-content{padding:clamp(48px,12vh,100px) 0}.not-found-content .eyebrow{margin:0 0 24px}.not-found-code{font-size:clamp(88px,24vw,144px);font-weight:700;line-height:1;letter-spacing:-.08em;color:var(--accent);margin:0 0 24px}.not-found-content h1{font-size:clamp(28px,6vw,40px);line-height:1.2;letter-spacing:-1px;margin:0 0 16px}.not-found-content>p:not(.eyebrow,.not-found-code){max-width:420px;font-size:16px;line-height:1.7;color:var(--muted);margin:0 0 28px}.not-found-home{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:12px 18px;border-radius:9px;background:var(--button);color:var(--button-text);font-size:14px;font-weight:600;text-decoration:none}.not-found-home:hover{filter:brightness(.96)}