/* indeepsidhu.com — site styles. Tokens first; light/dark + accent via data attributes on <html>. */
:root{
  --bg:#F3F5F4;--surface:#FFFFFF;--ink:#0F1A17;--muted:#55625D;--line:#DCE2DF;--soft:#E6EFEB;
  --brand:#0B5D4B;--on-brand:#FFFFFF;--accent:#F5B301;--on-accent:#0E1B17;
  --band:#0E1B17;--band-2:#1C2E28;--band-line:#2E4740;--band-ink:#FFFFFF;--band-muted:#B4C6BF;
  --field:#FFFFFF;--field-line:#A9BDB5;--danger:#8A2B1E;--danger-line:#E4B8B0;--ok:#C9E4D8;--warn:#F5D27A;
  --shadow:0 10px 30px rgba(14,27,23,.12);
  --f-display:'Space Grotesk',system-ui,sans-serif;--f-body:'IBM Plex Sans',system-ui,sans-serif;--f-mono:'IBM Plex Mono',ui-monospace,monospace;
  color-scheme:light;
}
html[data-theme="dark"]{
  --bg:#0B1210;--surface:#141F1B;--ink:#E6EEEA;--muted:#9DB0A8;--line:#26352F;--soft:#1D2B26;
  --brand:#45B892;--on-brand:#06110D;--band:#050A08;--band-2:#1A2924;--band-line:#2A3B35;
  --field:#0F1915;--field-line:#3A4C45;--danger:#F2A194;--danger-line:#5A2E27;--shadow:0 10px 30px rgba(0,0,0,.5);
  color-scheme:dark;
}
html[data-accent="blue"]{--brand:#1D5C9E}
html[data-theme="dark"][data-accent="blue"]{--brand:#6EA6E6}
html[data-accent="violet"]{--brand:#5A3E9E}
html[data-theme="dark"][data-accent="violet"]{--brand:#AD95EA}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-body);font-size:16px;line-height:1.5;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto}
a{color:var(--brand)}
a:hover{opacity:.85}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);line-height:1.12;margin:0}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:var(--f-mono)}
.muted{color:var(--muted)}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
.narrow{max-width:760px}
.pad-y{padding-top:56px;padding-bottom:72px}
.stack{display:flex;flex-direction:column;gap:16px}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.between{justify-content:space-between}
.eyebrow{font-family:var(--f-mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--brand)}
.h1{font-size:clamp(34px,5vw,48px);letter-spacing:-.01em}
.h2{font-size:clamp(26px,3.5vw,34px)}
.h3{font-size:22px}
@media (max-width:640px){.wrap{padding:0 16px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:8px;border:0;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;background:var(--brand);color:var(--on-brand);white-space:nowrap}
.btn:hover{opacity:.9}
.btn-lg{min-height:52px;padding:0 24px}
.btn-sm{min-height:38px;padding:0 12px;font-size:14px;font-weight:500}
.btn-accent{background:var(--accent);color:var(--on-accent)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--field-line)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-danger{background:var(--surface);color:var(--danger);border:1px solid var(--danger-line)}
.icon-btn{width:44px;height:44px;border-radius:8px;border:1px solid var(--band-line);background:transparent;color:var(--band-ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}

/* forms */
.field{display:flex;flex-direction:column;gap:6px}
.field>label,.label{font-size:14px;font-weight:600}
.input,select.input,textarea.input{width:100%;min-height:46px;border-radius:8px;border:1px solid var(--field-line);background:var(--field);color:var(--ink);padding:0 12px;font:inherit}
textarea.input{padding:12px;min-height:110px;resize:vertical;line-height:1.55}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.5}
.check input{width:18px;height:18px;margin-top:2px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.hint{font-size:13px;color:var(--muted)}
.dropzone{display:flex;flex-wrap:wrap;gap:12px;align-items:center;border:1.5px dashed var(--field-line);border-radius:10px;padding:16px}

/* cards & surfaces */
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}
.chip{display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:14px;text-decoration:none}
.chip.on{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.tag{font-family:var(--f-mono);font-size:12px;background:var(--soft);padding:5px 10px;border-radius:4px;color:var(--ink)}
.pill{font-family:var(--f-mono);font-size:12px;padding:4px 10px;border-radius:999px;color:#0F1A17;background:var(--warn)}
.pill.ok{background:var(--ok)}

/* flash */
.flashes{max-width:1280px;margin:16px auto 0;padding:0 32px;display:flex;flex-direction:column;gap:8px}
.flash{padding:12px 16px;border-radius:10px;border:1px solid var(--line);background:var(--surface)}
.flash.success{border-color:var(--brand)}
.flash.error{border-color:var(--danger-line);color:var(--danger)}

/* header */
.site-header{background:var(--band);color:var(--band-ink)}
.site-header .bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:12px;color:var(--band-ink);text-decoration:none}
.logo-mark{width:36px;height:36px;border-radius:8px;background:#F5B301;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.logo-name{font-family:var(--f-display);font-weight:700;font-size:18px;display:block}
.logo-sub{font-family:var(--f-mono);font-size:11px;color:var(--band-muted);letter-spacing:.04em;display:block}
.main-nav{display:flex;flex-wrap:wrap;gap:4px;font-size:15px}
.main-nav a{color:var(--band-muted);text-decoration:none;padding:10px 14px;border-radius:6px}
.main-nav a.on,.main-nav a:hover{color:var(--band-ink);background:var(--band-2);opacity:1}
.header-actions{display:flex;align-items:center;gap:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:#C9E4D8;color:#0E1B17;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.topic-bar{border-top:1px solid var(--band-line)}
.topic-bar .wrap{display:flex;gap:6px;overflow-x:auto;font-family:var(--f-mono);font-size:13px}
.topic-bar a{white-space:nowrap;color:var(--band-muted);text-decoration:none;padding:12px 10px}
.topic-bar a:hover{color:var(--band-ink)}
.topic-bar a.all{color:#F5B301}
.theme-toggle .i-sun{display:none}
html[data-theme="dark"] .theme-toggle .i-sun{display:block}
html[data-theme="dark"] .theme-toggle .i-moon{display:none}

/* hero */
.hero{display:flex;flex-wrap:wrap;align-items:center;gap:56px;padding-top:72px;padding-bottom:64px}
.hero-text{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;gap:22px}
.hero h1{font-size:clamp(40px,6vw,60px);line-height:1.03;letter-spacing:-.02em}
.hero .lead{font-size:19px;line-height:1.6;color:var(--muted);max-width:600px}
.hero-photo{flex:1 1 320px;max-width:420px;margin:0;position:relative}
.photo-frame{aspect-ratio:4/5;border-radius:16px;overflow:hidden;background:var(--soft);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:var(--muted)}
.photo-frame img{width:100%;height:100%;object-fit:cover;display:block}
.photo-frame.empty{border:2px dashed var(--field-line)}
.photo-caption{position:absolute;left:-24px;bottom:28px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px}
@media (max-width:640px){.photo-caption{left:12px}}
.social{display:flex;flex-wrap:wrap;gap:8px}
.social a{font-family:var(--f-mono);font-size:13px;color:var(--ink);text-decoration:none;border:1px solid var(--line);padding:8px 12px;border-radius:999px;background:var(--surface)}

/* featured band */
.band{background:var(--band);color:var(--band-ink)}
.band .muted{color:var(--band-muted)}
.featured{display:flex;flex-wrap:wrap;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.featured-body{flex:999 1 480px;min-width:0;display:flex;flex-direction:column;gap:16px}
.badge{align-self:flex-start;font-family:var(--f-mono);font-size:12px;background:#F5B301;color:#0E1B17;padding:6px 10px;border-radius:4px;font-weight:500}

/* book covers */
.cover{aspect-ratio:3/4;border-radius:4px 10px 10px 4px;border-left:8px solid rgba(0,0,0,.25);padding:20px 18px;display:flex;flex-direction:column;justify-content:space-between;color:#FFFFFF;background-size:cover;background-position:center;position:relative;overflow:hidden}
.cover .c-topic{font-family:var(--f-mono);font-size:10px;letter-spacing:.08em;color:#F5D27A;text-transform:uppercase}
.cover .c-title{font-family:var(--f-display);font-size:21px;font-weight:700;line-height:1.15}
.cover.has-img .c-topic,.cover.has-img .c-title{display:none}
.cover-lg{flex:0 0 280px;width:280px;aspect-ratio:auto;height:370px;box-shadow:0 20px 40px rgba(0,0,0,.35);border-left-width:12px;padding:28px 24px}
.cover-lg .c-title{font-size:28px}
@media (max-width:640px){.cover-lg{width:100%;flex-basis:100%;height:340px}}

/* grids */
.section{padding-top:56px;padding-bottom:24px;display:flex;flex-direction:column;gap:28px}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px}
.grid-books{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}
.grid-topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.book-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--ink)}
.book-card .b-path{font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.book-card .b-title{font-weight:600;font-size:16px;line-height:1.35}
.boxed{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}
.topic-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:14px;text-decoration:none;color:var(--ink)}
.topic-code{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-weight:500;color:#0F1A17}
.topic-subs{display:flex;flex-direction:column;gap:6px;font-family:var(--f-mono);font-size:13px;color:var(--muted)}

/* two-column layouts */
.split{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start}
.split>.main{flex:999 1 560px;min-width:0}
.split>.side{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:20px}
.side-nav{flex:1 1 260px;max-width:320px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:2px}
@media (max-width:900px){.side-nav{max-width:none}}
.side-nav a{min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-right:10px;border-radius:8px;text-decoration:none;color:var(--ink)}
.side-nav a.on{background:var(--brand);color:var(--on-brand)}
.side-nav a .n{font-family:var(--f-mono);font-size:12px;opacity:.75}

/* post list */
.post-row{display:flex;flex-direction:column;gap:8px;padding:22px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--ink)}
.post-row .meta{font-family:var(--f-mono);font-size:12px;color:var(--brand)}
.post-row .t{font-family:var(--f-display);font-size:23px;font-weight:600;line-height:1.25}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.post-card .pc-img{height:160px;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:12px;color:#3E4A46}
.post-card .pc-body{padding:20px;display:flex;flex-direction:column;gap:10px}
.grid-posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:22px}

/* article body (rendered blocks) */
.article{display:flex;flex-direction:column;gap:20px}
.article .blk{margin:0}
.article .blk-p,.article .blk-q{line-height:1.7}
.article .blk-h{line-height:1.2;margin-top:8px}
.article .blk-q{padding:6px 0 6px 22px;border-left:3px solid var(--brand)}
.article .blk-img{display:flex;flex-direction:column;align-items:center;gap:8px}
.article .blk-img img{border-radius:8px;display:block;margin:0 auto}
.article .blk-img figcaption{font-size:13px;color:var(--muted);text-align:center}
.article .blk-btn{display:inline-block;padding:14px 26px;border-radius:8px;text-decoration:none}
.article .blk-hr{border:0;border-top:1px solid var(--line)}
.article .blk-code{padding:16px 18px;border-radius:8px;background:#0E1B17;color:#D5E1DC;font-family:var(--f-mono);font-size:13px;line-height:1.6;overflow-x:auto}
.article .blk-html{overflow-x:auto}

/* newsletter */
.signup{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:40px;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
.signup>*{flex:1 1 360px}
@media (max-width:640px){.signup{padding:24px}}
.email-frame{background:#E4E9E6;border-radius:16px;padding:28px 16px}
.email-paper{max-width:640px;margin:0 auto;background:#FFFFFF;color:#1B2420;border-radius:12px;box-shadow:var(--shadow);--ink:#1B2420;--muted:#5A6661;--line:#E1E6E3;--brand:#0B5D4B}
.email-paper .ep-head{padding:22px 32px;border-bottom:1px solid #E1E6E3;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-weight:700}
.email-paper .ep-head span:last-child{font-family:var(--f-mono);font-size:12px;font-weight:400;color:#5A6661}
.email-paper .article{padding:24px 32px}
.email-paper .ep-foot{padding:20px 32px;border-top:1px solid #E1E6E3;font-size:12px;color:#5A6661;text-align:center}
.email-paper a{color:#0B5D4B}
@media (max-width:640px){.email-paper .article,.email-paper .ep-head{padding-left:18px;padding-right:18px}}

/* tables */
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow-x:auto}
table.data{width:100%;border-collapse:collapse;min-width:680px;font-size:15px}
table.data th{text-align:left;font-family:var(--f-mono);font-size:12px;font-weight:500;color:var(--muted);padding:14px 16px;letter-spacing:.04em;text-transform:uppercase}
table.data td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:middle}
table.data td.actions{text-align:right;white-space:nowrap}
table.data td.actions form{display:inline}

/* auth */
.auth{min-height:100vh;display:flex;flex-wrap:wrap}
.auth-main{flex:1 1 520px;padding:32px 40px 48px;display:flex;flex-direction:column}
.auth-main .logo{color:var(--ink)}
.auth-box{width:100%;max-width:420px;margin:56px auto 0;display:flex;flex-direction:column;gap:20px}
.auth-side{flex:1 1 420px;background:var(--band);color:var(--band-ink);padding:64px 56px;display:flex;flex-direction:column;justify-content:center;gap:24px}
.tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--soft);border-radius:10px;padding:4px}
.tabs a{min-height:44px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-weight:600;color:var(--ink);text-decoration:none}
.tabs a.on{background:var(--surface)}
@media (max-width:640px){.auth-main{padding:24px 16px}.auth-side{padding:40px 24px}}

/* footer */
.site-footer{background:var(--band);color:var(--band-muted);font-size:14px;margin-top:40px}
.site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;padding-top:56px;padding-bottom:28px}
.site-footer a{color:var(--band-muted);text-decoration:none}
.site-footer a:hover{color:var(--band-ink)}
.site-footer .col{display:flex;flex-direction:column;gap:10px}
.site-footer .col b{color:var(--band-ink)}
.site-footer .legal{border-top:1px solid var(--band-line);padding-top:18px;padding-bottom:32px;font-family:var(--f-mono);font-size:12px}

/* admin */
.admin{display:flex;flex-wrap:wrap;min-height:100vh}
.admin-side{flex:1 1 220px;max-width:250px;background:var(--band);color:var(--band-ink);padding:24px 14px;display:flex;flex-direction:column;gap:4px}
.admin-side a{min-height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-radius:8px;color:var(--band-muted);text-decoration:none;font-size:15px}
.admin-side a.on,.admin-side a:hover{background:var(--band-2);color:var(--band-ink);opacity:1}
.admin-side .sep{height:1px;background:var(--band-line);margin:12px 0}
.admin-main{flex:999 1 640px;min-width:0;padding:32px 36px 80px;display:flex;flex-direction:column;gap:22px}
@media (max-width:900px){.admin-side{max-width:none;flex-basis:100%;flex-direction:row;flex-wrap:wrap}.admin-main{padding:24px 16px 64px}}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:4px}
.stat b{font-family:var(--f-display);font-size:30px}
.tree-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:8px 18px;border-top:1px solid var(--line)}
.tree-row:first-child{border-top:0}
.tree-row form{display:inline-flex;gap:6px;flex-wrap:wrap;align-items:center}
details.inline-edit summary{list-style:none;cursor:pointer}
details.inline-edit summary::-webkit-details-marker{display:none}
.link-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.link-row .input{flex:1 1 200px}
.swatch-btn{width:30px;height:30px;border-radius:50%;cursor:pointer;border:1px solid var(--field-line)}
.mode-card{flex:1 1 220px;max-width:300px;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;gap:10px;cursor:pointer}
.mode-card:has(input:checked){border:2px solid var(--brand)}
.mode-card input{position:absolute;opacity:0}

/* block editor */
.ed-grid{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start}
.ed-palette{flex:1 1 150px;max-width:180px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:6px;position:sticky;top:12px}
@media (max-width:900px){.ed-palette{max-width:none;flex-direction:row;flex-wrap:wrap;position:static}}
.ed-cap{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;color:var(--muted);padding:4px 4px 6px;flex-basis:100%}
.ed-pal-item{min-height:40px;display:flex;align-items:center;gap:10px;padding:0 10px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit;font-size:14px;cursor:grab;text-align:left}
.ed-glyph{width:34px;font-family:var(--f-mono);font-size:11px;color:var(--brand);font-weight:500}
.ed-col{flex:999 1 420px;min-width:0;display:flex;flex-direction:column;gap:8px}
.ed-canvas{display:flex;flex-direction:column}
.ed-zone{height:10px;border-radius:6px;transition:height .12s}
.ed-zone.on{height:40px;background:var(--soft);outline:2px dashed var(--brand)}
.ed-endzone{margin-top:8px;min-height:64px;height:auto;border:1.5px dashed var(--field-line);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;text-align:center;padding:8px}
.ed-endzone.on{height:auto;border-color:var(--brand)}
.ed-card{background:var(--surface);border:1.5px solid var(--line);border-radius:10px}
.ed-card.sel{border-color:var(--brand)}
.ed-card-head{display:flex;align-items:center;gap:6px;padding:6px 8px 6px 4px;cursor:grab}
.ed-grip{width:24px;text-align:center;color:var(--muted);letter-spacing:-3px}
.ed-select{flex:1;min-width:0;min-height:36px;display:flex;align-items:center;gap:10px;border:0;background:transparent;color:var(--ink);font:inherit;text-align:left;cursor:pointer;padding:0}
.ed-kind{font-family:var(--f-mono);font-size:11px;color:var(--brand);text-transform:uppercase;letter-spacing:.05em;flex:0 0 auto}
.ed-sum{font-size:14px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ed-actions{display:flex;gap:2px}
.ed-actions button{width:32px;height:32px;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer;font-size:15px}
.ed-actions button:hover{background:var(--soft);color:var(--ink)}
.ed-actions button.danger{color:var(--danger)}
.ed-addbelow{display:flex;justify-content:center}
.ed-addbelow button{height:26px;padding:0 10px;border:0;border-radius:999px;background:transparent;color:var(--muted);font:inherit;font-size:12px;cursor:pointer}
.ed-addbelow button:hover{color:var(--brand)}
.ed-insp{border-top:1px solid var(--line);padding:14px;display:flex;flex-direction:column;gap:12px}
.ed-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.ed-field{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
.ed-field .input{min-height:38px;font-size:14px}
.ed-linkrow{background:var(--bg);border-radius:8px;padding:10px}
.ed-seg{display:flex;border:1px solid var(--field-line);border-radius:8px;overflow:hidden}
.ed-seg button{min-width:38px;height:38px;padding:0 10px;border:0;background:var(--field);color:var(--ink);font:inherit;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.ed-seg button.on{background:var(--brand);color:var(--on-brand)}
.swatch-btn.on{outline:3px solid var(--accent);outline-offset:1px}
.ed-preview{flex:999 1 440px;min-width:0;display:flex;flex-direction:column;gap:10px;position:sticky;top:12px}
@media (max-width:900px){.ed-preview{position:static}}
.ed-tabs{display:flex;background:var(--soft);border-radius:8px;padding:3px}
.ed-tabs button{height:34px;padding:0 14px;border:0;border-radius:6px;background:transparent;color:var(--ink);font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.ed-tabs button.on{background:var(--surface)}
.ed-dev{width:40px;height:34px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.ed-dev.on{background:var(--soft)}
.ed-frame{border:1px solid var(--line);border-radius:12px;padding:20px 12px;max-height:calc(100vh - 140px);overflow:auto}
.ed-frame-newsletter{background:#E4E9E6}
.ed-frame-blog{background:var(--bg)}
.ed-inbox{margin:0 auto 10px;font-size:12px;color:#3E4A46;display:flex;flex-direction:column;gap:2px}
.ed-ph{aspect-ratio:16/7;width:100%;border-radius:8px;background:var(--soft);color:var(--muted);display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:12px}
.ed-htmlph{border:1px dashed var(--line);border-radius:8px;padding:10px 12px;font-size:12px}
.ed-htmlph pre{margin:6px 0 0;white-space:pre-wrap;font-family:var(--f-mono)}
.ed-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}

/* table of contents (eBook page) */
.toc{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.toc li::marker{content:none}
.toc li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--line);line-height:1.4}
.toc li:first-child{border-top:0}
.toc .toc-d0{font-weight:600}
.toc .toc-d1{padding-left:22px;color:var(--ink)}
.toc .toc-d2{padding-left:44px;color:var(--muted);font-size:15px}
.toc .toc-p{font-family:var(--f-mono);font-size:13px;color:var(--muted);flex:0 0 auto}