/* База материалов — оформление. Светлое по умолчанию, тёмное по кнопке. */
:root{
  --bg:#F7F4EE; --panel:#FBF9F5; --col:#EFEAE1; --card:#FFFFFF;
  --line:#E3DBCC; --line2:#E7E0D4; --ink:#1F1B16; --ink2:#6B6257; --ink3:#8A8074;
  --accent:#B4552D; --accent-ink:#FFFFFF; --link:#A8481F; --link-h:#7E3415;
  --shadow:0 1px 2px rgba(31,27,22,.05); --shadow-big:0 -14px 34px rgba(31,27,22,.10);
  --drop:rgba(180,85,45,.10); --mark:#F6D9B0;
  --side:250px; --strip:18px;
}
[data-theme="dark"]{
  --bg:#14161A; --panel:#1A1D23; --col:#1A1D23; --card:#22262E;
  --line:#2A2F38; --line2:#2E333C; --ink:#E8EAEE; --ink2:#9AA2AE; --ink3:#7F8792;
  --accent:#E9A94A; --accent-ink:#14161A; --link:#E9A94A; --link-h:#F3C177;
  --shadow:0 1px 2px rgba(0,0,0,.4); --shadow-big:0 -18px 46px rgba(0,0,0,.6);
  --drop:rgba(233,169,74,.10); --mark:rgba(233,169,74,.25);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Golos Text',system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden}
a{color:var(--link);text-underline-offset:2px}
a:hover{color:var(--link-h)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
button{font-family:inherit;cursor:pointer}

#app{display:flex;height:100vh;height:100dvh;overflow:hidden}

/* ---------- боковое меню ---------- */
#side{width:var(--side);flex:0 0 var(--side);display:flex;flex-direction:column;background:var(--panel);border-right:1px solid var(--line);transition:width .16s ease,flex-basis .16s ease;overflow:hidden}
#side.folded{width:var(--strip);flex-basis:var(--strip)}
#side.folded .side-top,#side.folded .side-body{display:none}
#side .side-strip{display:none}
#side.folded .side-strip{display:flex;align-items:flex-start;justify-content:center;padding-top:14px;height:100%}
.side-top{display:flex;align-items:center;gap:8px;padding:16px 12px 10px 16px}
.logo{font-family:'Literata',Georgia,serif;font-size:16px;font-weight:600;letter-spacing:-.01em;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-body{flex:1;overflow-y:auto;padding:4px 10px 16px 10px;display:flex;flex-direction:column;gap:2px}
.side-label{margin:10px 0 6px 6px;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink3)}
.side-label-2{margin-top:18px}
.side-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--ink);background:none;border:0;width:100%;text-align:left}
.side-item:hover{background:var(--col)}
.side-item.on{background:var(--col);font-weight:600}
.side-item .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.side-item .n{margin-left:auto;font-size:12px;color:var(--ink3)}
.side-sub{display:flex;flex-direction:column;gap:1px;margin:2px 0 6px 20px;padding-left:9px;border-left:1px solid var(--line)}
.side-sub button{padding:6px 8px;border:0;background:none;border-radius:6px;font-size:13px;color:var(--ink2);text-align:left}
.side-sub button:hover{background:var(--col);color:var(--ink)}
.side-sub button.on{background:var(--col);color:var(--ink);font-weight:600}
.side-add{margin-top:8px;padding:8px 10px;background:none;border:1px dashed var(--line);border-radius:8px;font-size:13px;color:var(--ink2)}
.side-add:hover{border-color:var(--accent);color:var(--ink)}

/* треугольник: смотрит вниз — раскрыто, лёг вбок — свёрнуто */
.knob{width:26px;height:26px;flex:0 0 26px;display:flex;align-items:center;justify-content:center;background:none;border:0;border-radius:6px}
.knob:hover{background:var(--col)}
.knob i{display:block;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--ink2);transition:transform .16s ease}
.knob.closed i{transform:rotate(-90deg);border-top-color:var(--accent)}

/* ---------- основная часть ---------- */
#main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}
#head{flex:0 0 auto;padding:16px 24px 14px 24px;background:var(--panel);border-bottom:1px solid var(--line)}
.crumbs{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink2);min-height:18px;flex-wrap:wrap}
.crumbs button{background:none;border:0;padding:0;font-size:12.5px;color:var(--ink2)}
.crumbs button:hover{color:var(--accent);text-decoration:underline}
.crumbs .sepc{color:var(--line)}
.head-row{display:flex;align-items:flex-end;gap:16px;margin-top:6px}
#title{margin:0;font-family:'Literata',Georgia,serif;font-size:26px;font-weight:600;letter-spacing:-.02em;line-height:1.15;flex:1;min-width:0;outline:none}
#title:focus{border-bottom:2px solid var(--accent)}
.head-tools{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.btn{height:38px;padding:0 14px;border-radius:9px;font-size:13.5px;font-weight:600;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.btn:hover{border-color:var(--accent)}
.btn.main{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.ghost{font-weight:500;color:var(--ink2)}
.btn.icon{width:38px;padding:0;font-size:15px}
.status{font-size:12.5px;color:var(--ink3);white-space:nowrap}
.status.bad{color:#C0392B;font-weight:600}

#board{flex:1;min-height:0;display:flex;gap:14px;padding:18px 24px 22px 24px;overflow-x:auto;overflow-y:hidden;align-items:stretch}

.col{flex:0 0 272px;width:272px;display:flex;flex-direction:column;gap:9px;min-height:0}
.col-head{display:flex;align-items:center;gap:8px;padding:0 4px}
.col-head .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.col-head h2{margin:0;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--ink2);flex:1;min-width:0;outline:none;overflow-wrap:anywhere}
.col-head h2:focus{color:var(--ink);text-transform:none;letter-spacing:0}
.col-head .n{font-size:12.5px;color:var(--ink3)}
.col-head .x{background:none;border:0;color:var(--ink3);font-size:14px;padding:2px 4px;border-radius:5px;opacity:0;transition:opacity .12s}
.col:hover .col-head .x{opacity:1}
.col-head .x:hover{color:#C0392B;background:var(--col)}
.col-body{flex:1;min-height:0;display:flex;flex-direction:column;gap:9px;padding:10px;background:var(--col);border:1px solid transparent;border-radius:14px;overflow-y:auto}
.col-body.over{border-color:var(--accent);background:var(--drop)}

.card{background:var(--card);border:1px solid var(--line2);border-radius:11px;padding:11px 12px;display:flex;flex-direction:column;gap:5px;box-shadow:var(--shadow);cursor:pointer;position:relative}
.card:hover{border-color:var(--accent)}
.card.open{border-color:var(--accent);border-width:2px;padding:10px 11px}
.card h3{margin:0;font-size:14.5px;font-weight:600;line-height:1.3;overflow-wrap:anywhere}
.card p{margin:0;font-size:12.5px;line-height:1.45;color:var(--ink2);overflow-wrap:anywhere}
.card .meta{font-size:11.5px;color:var(--ink3)}
.card .tools{position:absolute;top:6px;right:6px;display:none;gap:2px;background:var(--card);border:1px solid var(--line2);border-radius:7px;padding:2px}
.card:hover .tools{display:flex}
.card .tools button{background:none;border:0;padding:2px 5px;font-size:12px;color:var(--ink2);border-radius:5px;line-height:1.2}
.card .tools button:hover{background:var(--col);color:var(--ink)}
.card.dragging{opacity:.45}
.add-card{margin-top:auto;height:40px;flex:0 0 40px;background:none;border:1px dashed var(--line);border-radius:10px;font-size:13px;color:var(--ink2)}
.add-card:hover{border-color:var(--accent);color:var(--ink)}
.add-col{flex:0 0 200px;width:200px;align-self:flex-start;height:44px;background:none;border:1px dashed var(--line);border-radius:12px;font-size:13.5px;color:var(--ink2);margin-top:26px}
.add-col:hover{border-color:var(--accent);color:var(--ink)}
.empty{padding:30px 6px;text-align:center;font-size:13.5px;color:var(--ink3);line-height:1.5}

/* ---------- статья ---------- */
#article{position:fixed;left:0;right:0;bottom:0;height:56vh;display:flex;flex-direction:column;background:var(--card);border-top:1px solid var(--line);border-radius:16px 16px 0 0;box-shadow:var(--shadow-big);z-index:30}
#article[hidden]{display:none}
#article.big{height:100vh;height:100dvh;border-radius:0}
.art-handle{flex:0 0 auto;margin:9px auto 2px auto;width:46px;height:4px;border-radius:2px;background:var(--line)}
.art-head{flex:0 0 auto;display:flex;align-items:flex-start;gap:16px;padding:6px 24px 12px 24px}
.art-where{flex:1;min-width:0}
.art-path{font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink3)}
.art-head h2{margin:4px 0 0 0;font-family:'Literata',Georgia,serif;font-size:24px;font-weight:600;letter-spacing:-.015em;outline:none;overflow-wrap:anywhere}
.art-head h2:focus{border-bottom:2px solid var(--accent)}
.art-tools{display:flex;align-items:center;gap:8px;padding-top:8px}
.art-bar{flex:0 0 auto;display:flex;align-items:center;gap:5px;padding:0 24px 10px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tbtn{height:32px;padding:0 10px;background:var(--col);border:1px solid var(--line2);border-radius:8px;font-size:12.5px;font-weight:600;color:var(--ink)}
.tbtn:hover{border-color:var(--accent)}
.tbtn.bold{font-family:'Literata',Georgia,serif;font-weight:700;width:32px;padding:0}
.tbtn.ital{font-family:'Literata',Georgia,serif;font-style:italic;font-weight:400;width:32px;padding:0}
.tbtn.accent{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.art-bar .sep{width:1px;height:20px;background:var(--line);margin:0 5px}
.art-bar .grow{flex:1}
.sel-info{font-size:12px;color:var(--ink3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40%}
.art-body{flex:1;min-height:0;overflow-y:auto;padding:18px 24px 30px 24px}
.editor{max-width:760px;font-family:'Literata',Georgia,serif;font-size:16px;line-height:1.65;color:var(--ink);outline:none;min-height:100%}
.editor:empty::before{content:'Пишите здесь. Выделите слово и нажмите «Сделать ссылкой».';color:var(--ink3);font-style:italic}
.editor h2{font-size:20px;margin:18px 0 8px 0}
.editor p{margin:0 0 12px 0}
.editor ul,.editor ol{margin:0 0 12px 0;padding-left:22px}
.editor li{margin-bottom:6px}
.editor blockquote{margin:0 0 12px 0;padding-left:14px;border-left:3px solid var(--accent);color:var(--ink2)}
.editor a{font-weight:500}
.link-pop{position:fixed;display:flex;align-items:center;gap:7px;padding:8px 9px;background:var(--ink);border-radius:10px;box-shadow:0 12px 28px rgba(0,0,0,.3);z-index:40}
.link-pop input{width:260px;height:30px;padding:0 10px;border:1px solid rgba(255,255,255,.25);border-radius:7px;background:rgba(255,255,255,.08);color:#fff;font-family:inherit;font-size:13px}
.link-pop button{height:30px;padding:0 12px;border:0;border-radius:7px;background:var(--accent);color:var(--accent-ink);font-size:13px;font-weight:600}
.link-pop button.ghost{background:transparent;color:rgba(255,255,255,.7)}

.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:60;padding:10px 16px;border-radius:10px;background:var(--ink);color:var(--bg);font-size:13.5px;box-shadow:0 10px 24px rgba(0,0,0,.25)}

/* ---------- телефон ---------- */
@media (max-width:760px){
  :root{--side:230px;--strip:20px}
  /* меню не отжимает доску, а выезжает поверх неё */
  #side{position:fixed;left:0;top:0;bottom:0;z-index:50;box-shadow:0 0 40px rgba(0,0,0,.28)}
  #side.folded{box-shadow:none}
  #main{padding-left:var(--strip)}
  #head{padding:10px 12px 8px 12px}
  .crumbs{display:none}
  .head-row{gap:8px;flex-wrap:wrap}
  #title{font-size:19px;flex:1 1 100%}
  .head-tools{width:100%;justify-content:flex-end}
  .status{font-size:11.5px}
  #board{padding:12px;gap:10px}
  .col{flex-basis:78vw;width:78vw}
  .add-col{flex-basis:60vw;width:60vw;margin-top:22px}
  #article{height:76vh}
  .art-head,.art-bar,.art-body{padding-left:14px;padding-right:14px}
  .art-head h2{font-size:20px}
  .head-tools .btn.ghost{display:none}
  .link-pop input{width:150px}
}
@media (pointer:coarse){
  .card .tools{display:flex}
}