/* Notes - Apple Notes inspired. Light / Dark / Auto via [data-theme] on <html>. */
:root{
  --bg:#f5f5f7; --panel:#ffffff; --panel2:#efeff1; --ink:#1d1d1f; --dim:#6e6e73;
  --line:#e2e2e6; --accent:#007aff; --danger:#ff3b30; --chip:#e9e9ee;
  --folder:#ffcc02; --shadow:0 8px 28px rgba(0,0,0,.14); --radius:12px;
  --editor-bg:#ffffff; --toolbar:#f7f7f9;
}
html[data-theme="dark"]{
  --bg:#0c0c0e; --panel:#1c1c1e; --panel2:#141416; --ink:#f5f5f7; --dim:#98989d;
  --line:#2e2e32; --accent:#0a84ff; --danger:#ff453a; --chip:#2c2c2e;
  --shadow:0 8px 28px rgba(0,0,0,.5); --editor-bg:#1c1c1e; --toolbar:#17171a;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:15px; -webkit-font-smoothing:antialiased; overscroll-behavior:none;
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
.hidden{display:none!important}

/* ---------- layout ---------- */
#app{display:flex;height:100dvh;overflow:hidden}
.pane{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--panel)}
#paneFolders{width:248px;flex:0 0 248px;border-right:1px solid var(--line);background:var(--bg)}
#paneList{width:330px;flex:0 0 330px;border-right:1px solid var(--line)}
#paneEditor{flex:1;background:var(--editor-bg)}
.pane-head{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line);position:relative}
.pane-head.col{flex-direction:column;align-items:stretch;gap:8px}
.pane-title{flex:1;font-size:20px;font-weight:700}
.pane-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:8px}
.pane-foot{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-top:1px solid var(--line)}
.foot-link{color:var(--accent);font-size:15px}
.iconbtn{width:34px;height:34px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--dim)}
.iconbtn:hover{background:var(--chip)}
.iconbtn.accent{background:var(--accent);color:#fff}
.iconbtn.on{color:var(--accent)}
.backbtn{display:none;font-size:26px;color:var(--accent);padding:0 6px}

/* ---------- folders ---------- */
.sec-label{font-size:12px;font-weight:600;color:var(--dim);text-transform:uppercase;letter-spacing:.4px;padding:10px 8px 4px}
.folder-list{list-style:none;margin:0;padding:0}
.folder-row{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:8px;border-radius:10px;font-size:15px}
.folder-row:hover{background:var(--chip)}
.folder-row.on{background:var(--chip);font-weight:600}
.fic{font-size:17px}
.fic.folder{color:var(--folder)}
.fname{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fcount{color:var(--dim);font-size:13px}
.fdel{opacity:0;color:var(--dim);font-size:14px;padding:2px 6px}
.folder-row:hover .fdel{opacity:1}

/* ---------- list ---------- */
.list-top{display:flex;align-items:center;gap:8px}
.search-wrap{flex:1}
#searchInput{width:100%;border:0;background:var(--panel2);border-radius:10px;padding:9px 12px;outline:none}
#searchInput:focus{box-shadow:0 0 0 2px var(--accent)}
.list-sub{display:flex;justify-content:space-between;align-items:baseline;padding:0 4px}
#listTitle{font-size:20px;font-weight:700}
#listCount{color:var(--dim);font-size:13px}
.cards{padding:8px}
.ncard{display:block;width:100%;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px;margin-bottom:8px}
.ncard:hover{border-color:var(--accent)}
.ncard.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.ncard .t{font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ncard .t .pin{color:var(--accent);margin-right:4px}
.ncard .s{color:var(--dim);font-size:13.5px;margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard .d{color:var(--dim);font-size:12px;margin-top:6px}
.empty{color:var(--dim);text-align:center;padding:40px 16px;font-size:14px}

/* ---------- editor ---------- */
.ed-actions{margin-left:auto;display:flex;gap:2px}
#edMenu,#infoPop,#tagPop,#tableMenu,#linkPop{position:absolute;top:calc(100% + 6px);right:8px;z-index:60}
.menu{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:6px;min-width:210px}
.menu button{display:block;width:100%;text-align:left;padding:9px 12px;border-radius:8px;font-size:15px}
.menu button:hover{background:var(--chip)}
.menu button.danger{color:var(--danger)}
.menu .row{display:flex;gap:6px;margin-top:6px}
.menu input{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px;background:var(--panel2)}
#infoPop{font-size:14px;padding:12px;min-width:230px}
#infoPop .k{color:var(--dim)}
.tag-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 18px}
.tag-chips:empty{display:none}
.tchip{background:var(--chip);border-radius:20px;padding:3px 10px;font-size:13px;color:var(--accent)}
#titleInput{border:0;outline:none;background:transparent;font-size:24px;font-weight:700;padding:14px 18px 4px;width:100%}
#titleInput::placeholder{color:var(--dim)}
.toolbar{display:flex;align-items:center;gap:2px;padding:8px 12px;border-bottom:1px solid var(--line);background:var(--toolbar);overflow-x:auto;scrollbar-width:none;flex:0 0 auto}
.toolbar::-webkit-scrollbar{display:none}
.tbtn{min-width:36px;height:34px;padding:0 8px;border-radius:8px;color:var(--ink);font-size:15px;white-space:nowrap;flex:0 0 auto}
.tbtn:hover{background:var(--chip)}
.tbtn.wide{font-weight:700;color:var(--accent)}
.tsep{width:1px;height:22px;background:var(--line);margin:0 4px;flex:0 0 auto}
.tbtn.b{font-weight:800}.tbtn.i{font-style:italic}.tbtn.u{text-decoration:underline}
#editor{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:8px 18px 60px;outline:none;font-size:16px;line-height:1.5;word-wrap:break-word}
#editor:empty:before{content:"Start writing…";color:var(--dim)}
#editor h1{font-size:28px;margin:.5em 0 .3em}
#editor h2{font-size:22px;margin:.5em 0 .3em}
#editor h3{font-size:18px;margin:.5em 0 .3em}
#editor p{margin:.35em 0}
#editor ul,#editor ol{margin:.35em 0;padding-left:26px}
#editor blockquote{border-left:3px solid var(--accent);margin:.5em 0;padding:.2em 0 .2em 12px;color:var(--dim)}
#editor pre{background:var(--panel2);border-radius:8px;padding:10px;overflow-x:auto;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px}
#editor code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em}
#editor table{border-collapse:collapse;margin:.6em 0;min-width:60%}
#editor td,#editor th{border:1px solid var(--line);padding:7px 10px;min-width:60px}
#editor th{background:var(--panel2)}
#editor img{max-width:100%;border-radius:8px;margin:.4em 0}
#editor a{color:var(--accent)}
#editor ul.checklist{list-style:none;padding-left:4px}
#editor ul.checklist li{position:relative;padding-left:30px;margin:.25em 0;cursor:default}
#editor ul.checklist li:before{content:"";position:absolute;left:2px;top:2px;width:17px;height:17px;border:1.5px solid var(--dim);border-radius:50%;background:transparent}
#editor ul.checklist li[data-checked="1"]:before{background:var(--accent);border-color:var(--accent)}
#editor ul.checklist li[data-checked="1"]:after{content:"";position:absolute;left:8px;top:5px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
#editor ul.checklist li[data-checked="1"]{color:var(--dim);text-decoration:line-through}
.attach-chip{display:inline-flex;align-items:center;gap:6px;background:var(--chip);border-radius:8px;padding:6px 10px;margin:.2em .1em;font-size:14px;color:var(--ink);text-decoration:none}
.save-state{position:absolute;bottom:10px;right:16px;font-size:12px;color:var(--dim);pointer-events:none}
.trash-banner{display:flex;align-items:center;gap:10px;background:#fff4d6;border-bottom:1px solid var(--line);padding:8px 18px;font-size:14px}
html[data-theme="dark"] .trash-banner{background:#3a2f10}
.trash-banner button{border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:13px}
.trash-banner button.danger{color:var(--danger)}
.tag-check{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;font-size:14px;cursor:pointer}
.tag-check:hover{background:var(--chip)}
.tag-new{display:flex;gap:6px;margin-top:6px}
.tag-new input{flex:1;border:1px solid var(--line);border-radius:8px;padding:7px;background:var(--panel2)}
.tag-new button{background:var(--accent);color:#fff;border-radius:8px;padding:7px 12px}

/* ---------- format panel ---------- */
.fmt-panel{position:fixed;z-index:80;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:14px;width:300px;max-width:calc(100vw - 32px)}
.fmt-sec{margin-bottom:12px}
.fmt-label{font-size:12px;font-weight:600;color:var(--dim);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px}
.fmt-row{display:flex;flex-wrap:wrap;gap:6px}
.fmt-row button{border:1px solid var(--line);border-radius:9px;padding:7px 11px;font-size:14px}
.fmt-row button.on{background:var(--accent);border-color:var(--accent);color:#fff}
#styleRow button[data-style="h1"]{font-size:18px;font-weight:700}
#styleRow button[data-style="h2"]{font-size:16px;font-weight:700}
#styleRow button[data-style="h3"]{font-size:14px;font-weight:700}
#styleRow button[data-style="pre"]{font-family:ui-monospace,Menlo,monospace}
#fontRow button[data-font="serif"]{font-family:Georgia,"Times New Roman",serif}
#fontRow button[data-font="rounded"]{font-family:ui-rounded,"SF Pro Rounded",system-ui,sans-serif}
#fontRow button[data-font="mono"]{font-family:ui-monospace,Menlo,Consolas,monospace}
.swatches button{width:30px;height:30px;border-radius:50%;padding:0;border:2px solid var(--line)}
.swatches button.on{border-color:var(--ink)}
.fmt-clear{width:100%;padding:9px;border:1px solid var(--line);border-radius:10px;font-size:14px}
.fmt-clear:hover{background:var(--chip)}

/* ---------- mobile ---------- */
.only-mobile{display:none!important}
@media (max-width:899px){
  .only-mobile{display:inline-flex!important}
  #paneFolders,#paneList,#paneEditor{display:none;width:100%;flex:1;border:0}
  body[data-view="folders"] #paneFolders{display:flex}
  body[data-view="list"] #paneList{display:flex}
  body[data-view="editor"] #paneEditor{display:flex}
  #titleInput{font-size:22px}
  .fmt-panel{left:16px!important;right:16px;top:auto!important;bottom:16px;width:auto}
}
@media print{
  #paneFolders,#paneList,.pane-head,#toolbar,.save-state,.fmt-panel{display:none!important}
  #paneEditor{display:block}
  #editor{overflow:visible}
}
