:root{
  color-scheme:light;
  --font:Vazirmatn,"Vazir","Segoe UI",Tahoma,"Noto Sans Arabic",system-ui,sans-serif;
  --lh:28px;
  --desk:linear-gradient(125deg,#ffe0ec,#e5dbff,#d1efff,#d6ffe8,#fff0d1);
  --glass:rgba(255,255,255,.88);
  --paper:#ffffff; --paper-2:#f6f3ff; --surface:#ffffff;
  --ink:#1f1b3a; --muted:#5b5778; --line:#d9d1f5; --line2:#ece8fb;
  --field:#ffffff; --hover:#efe9ff; --sheet-line:#e6e1f8;
  --code-bg:#efeafd; --pre-bg:#2a2a30; --pre-ink:#f0eee8;
  --link:#1d4ed8; --danger:#b42318; --danger-bg:#fde8e8;
  --tab:#4f46c8; --tab-a:#d6246e; --tab-b:#c9420d;
  --btn-a:#6d28d9; --btn-b:#be185d;
  --accent:#6d28d9; --accent2:#be185d;
  --ring:#b6a7ff; --shadow:rgba(90,75,214,.25);
  --h1a:#4338ca; --h1b:#be185d; --h1c:#c2410c;
  --scrim:rgba(30,25,15,.45);
}
html[data-theme=dark]{
  color-scheme:dark;
  --desk:linear-gradient(125deg,#0d0a22,#1a1442,#0f2140,#0b2a2c,#251238);
  --glass:rgba(34,30,61,.88);
  --paper:#1a1730; --paper-2:#221e3d; --surface:#252046;
  --ink:#ece9ff; --muted:#b4b0d6; --line:#403a6b; --line2:#2d2852;
  --field:#12102a; --hover:#34305f; --sheet-line:#2b2751;
  --code-bg:#2f2a58; --pre-bg:#0e0c1f;
  --link:#8ab4ff; --danger:#ff9a90; --danger-bg:#46202a;
  --tab:#5b52d6;
  --accent:#b9a4ff; --accent2:#f7a8d0;
  --ring:#6d5fd0; --shadow:rgba(0,0,0,.55);
  --h1a:#b9c2ff; --h1b:#f9a8d4; --h1c:#fdba74;
  --scrim:rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%}
html,body{margin:0}
body{background:var(--desk);background-size:400% 400%;animation:drift 28s ease infinite;color:var(--ink);font-family:var(--font);font-size:.9375rem;
  height:100vh;height:100dvh;overflow:hidden;display:flex;flex-direction:column;
  padding:max(14px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left))}
@keyframes drift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes shimmer{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes pop{from{transform:translateY(4px) scale(.96)}to{transform:none}}
button{font-family:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
input,textarea,select{color:var(--ink)}
::placeholder{color:var(--muted);opacity:.9}
::selection{background:rgba(236,72,153,.32)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* نوار بالا */
.topbar{display:flex;justify-content:space-between;align-items:center;margin:0 auto 8px;gap:10px;width:100%}
.topbar h1{font-size:1.1rem;margin:0;font-weight:800;white-space:nowrap}
.topbar h1 .grad{background:linear-gradient(90deg,var(--h1a),var(--h1b),var(--h1c));-webkit-background-clip:text;background-clip:text;color:transparent}
.tools{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.tools button{background:var(--glass);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:.75rem;color:var(--ink);transition:transform .15s,box-shadow .15s,background .15s}
.tools button:hover{background:var(--surface);transform:translateY(-1px);box-shadow:0 4px 10px var(--shadow)}

/* دفترچه و تب‌های افقی */
.book{flex:1;min-height:0;display:flex;flex-direction:column;width:100%;margin:0 auto}
.htabs{display:flex;gap:3px;padding:3px .6rem 0;align-items:flex-end;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.htabs::-webkit-scrollbar{display:none}
.htab,.vtab{background:var(--tab);color:#fff;transition:filter .15s,box-shadow .2s;touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.htab:hover,.vtab:hover{filter:brightness(1.14)}
.htab{flex:0 0 auto;display:flex;align-items:center;max-width:14rem;border-radius:9px 9px 0 0;position:relative;margin-bottom:-1px}
.htab.pinned{position:sticky;inset-inline-start:.6rem;z-index:3;margin-inline-end:4px;box-shadow:0 0 0 3px var(--paper-2)}
.htab .nm,.vtab .nm{border:0;background:none;color:inherit;font-weight:500}
.htab .nm{min-width:2.5rem;font-size:.8125rem;padding:6px 2px 5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:start;padding-inline-start:12px;padding-inline-end:12px}
.htab:not(.dash) .nm{padding-inline-end:2px}
.htab.active .nm{padding-top:9px}
.htab.active,.vtab.active{background:linear-gradient(135deg,var(--tab-a),var(--tab-b),var(--tab-a));background-size:220% 220%;animation:pop .28s ease-out,shimmer 7s ease infinite;filter:none}
.htab.active{box-shadow:0 -3px 10px rgba(214,36,110,.4)}
.htab.pinned.active{box-shadow:0 -3px 10px rgba(214,36,110,.4),0 0 0 3px var(--paper-2)}
.vtab.active{box-shadow:0 3px 12px rgba(214,36,110,.4)}
.htab.active .nm,.vtab.active .nm{font-weight:800}
.nm-edit{min-width:3rem;max-width:12rem;border:0;outline:2px solid #fff;border-radius:6px;padding:3px 7px;margin:4px 6px 3px;font:inherit;font-size:.8125rem;font-weight:700;color:#1d1b3a;background:#fff}
.dots{flex:0 0 auto;border:0;background:none;color:inherit;font-size:1rem;line-height:1;padding:3px 5px;margin-inline-end:4px;border-radius:5px}
.dots:hover,.dots[aria-expanded=true]{background:rgba(255,255,255,.28)}
.add{flex:0 0 auto;background:var(--glass);border:1.5px dashed var(--accent);color:var(--accent);border-radius:9px 9px 0 0;padding:4px 12px;font-size:1rem;line-height:1.1;transition:background .15s}
.add:hover{background:var(--surface);border-style:solid}

/* منو و پنجره‌های شناور */
.menu,.pop{position:fixed;z-index:50;background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:0 12px 30px var(--shadow);max-width:calc(100vw - 16px)}
.menu{border-radius:8px;padding:4px;min-width:8rem}
.menu button{display:block;width:100%;text-align:start;border:0;background:none;padding:7px 12px;border-radius:5px;font-size:.8125rem;color:var(--ink)}
.menu button:hover{background:var(--hover)}
.menu .danger{color:var(--danger)}
.menu .danger:hover{background:var(--danger-bg)}
.pop{border-radius:14px;padding:10px}
.swatches{display:grid;grid-template-columns:repeat(6,1.7rem);gap:7px}
.sw{width:1.7rem;height:1.7rem;border-radius:50%;padding:0;border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.25),0 2px 4px rgba(0,0,0,.2);transition:transform .15s,box-shadow .15s}
.sw:hover{transform:scale(1.18);box-shadow:0 0 0 2px var(--accent),0 4px 8px rgba(0,0,0,.25)}
.pop .row{display:flex;gap:8px;margin-top:10px;align-items:center;justify-content:space-between}
.pop .custom{display:flex;align-items:center;gap:6px;font-size:.8125rem;cursor:pointer}
.pop .custom input{width:2rem;height:1.6rem;padding:0;border:1px solid var(--line);background:none;cursor:pointer}
.btn{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:4px 10px;font-size:.8125rem;color:var(--ink)}
.btn:hover{background:var(--hover)}
.btn:disabled{opacity:.5;cursor:default}
.btn.danger{color:var(--danger)}
.btn.danger:hover{background:var(--danger-bg)}
.btn.primary{background:linear-gradient(135deg,var(--btn-a),var(--btn-b));color:#fff;border-color:transparent;font-weight:700}
.btn.primary:hover{filter:brightness(1.1)}

/* صفحه */
.page{flex:1;min-height:0;display:flex;background:var(--paper);border:1px solid var(--line);border-radius:6px 6px 14px 14px;position:relative;box-shadow:0 16px 40px var(--shadow);overflow:hidden}
.rings{width:26px;flex:0 0 26px;background:repeating-linear-gradient(to bottom,transparent 0 22px,var(--ring) 22px 32px,transparent 32px 46px);border-inline-end:1px solid var(--line);order:3}
.vtabs{flex:0 0 auto;width:max-content;min-width:4.6rem;max-width:min(16rem,42vw);display:flex;flex-direction:column;gap:6px;padding:12px 0;border-inline-start:1px solid var(--line);background:var(--paper-2);order:0;overflow-y:auto;overflow-x:hidden}
.vtab{position:relative;display:flex;align-items:center;justify-content:space-between;border-radius:8px 0 0 8px;padding:4px 0}
html[dir=rtl] .vtab{border-radius:0 8px 8px 0}
.vtab .nm{flex:1;min-width:0;font-size:.8125rem;padding:8px 4px 8px 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:start;line-height:1.35}
.vtab .dots{margin-inline-end:2px;padding:3px 3px}
.vtabs .add{border-radius:8px;margin:2px 10px;padding:8px 0}
.sorting .htab,.sorting .vtab{transition:transform .15s ease}
.sorting .dragging{transition:none;z-index:6;box-shadow:0 8px 18px rgba(0,0,0,.4);cursor:grabbing}
.sorting .dragging *{cursor:grabbing}

.content{flex:1;min-width:0;display:flex;flex-direction:column;order:1}
.crumb{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;border-bottom:3px solid transparent;border-image:linear-gradient(90deg,var(--accent),var(--accent2),var(--tab-b)) 1;gap:8px}
.crumb strong{font-size:.875rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:0 1 auto}
.switch{display:none}

/* نوار ابزار ویرایش */
.tbar{display:flex;align-items:center;gap:2px;margin-inline-start:auto;min-width:0;max-width:100%;overflow-x:auto;scrollbar-width:none}
.tbar::-webkit-scrollbar{display:none}
.tbar button{flex:0 0 auto;min-width:2rem;height:2rem;padding:0 6px;border:1px solid transparent;background:none;border-radius:6px;font-size:.875rem;color:var(--ink);line-height:1}
.tbar button:hover{background:var(--hover);border-color:var(--line)}
.tbar button:disabled{opacity:.35;cursor:default;background:none;border-color:transparent}
.tbar .sep{flex:0 0 1px;width:1px;height:1.2rem;background:var(--line);margin:0 4px}
.tbar .ico-a{display:inline-block;font-weight:700;border-bottom:3px solid var(--ind,#ff3b5c);line-height:1.1}
.tbar .ico-m{display:inline-block;padding:0 4px;border-radius:3px;background:var(--ind,#fff27a);color:#1b1b1f;line-height:1.3}

/* بخش‌ها */
.panes{flex:1;min-height:0;display:grid;grid-template-columns:minmax(220px,2fr) 3fr}
.pane{min-width:0;min-height:0;display:flex;flex-direction:column}
.pane + .pane{border-inline-start:1px solid var(--line)}
.pane-h{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 14px;font-size:.8125rem;font-weight:700;border-bottom:1px solid var(--line);background:var(--paper-2)}
.pane-h small{font-weight:400;color:var(--muted)}

/* چک‌لیست */
.todo-add{display:flex;gap:6px;padding:10px 12px;border-bottom:1px dashed var(--line)}
.todo-add input{flex:1;min-width:0;border:1px solid var(--line);border-radius:6px;padding:6px 9px;font:inherit;background:var(--field)}
.todo-add button{border:0;background:linear-gradient(135deg,var(--btn-a),var(--btn-b));color:#fff;border-radius:6px;padding:0 14px;font-size:1.125rem;transition:filter .15s}
.todo-add button:hover{filter:brightness(1.12)}
.todo-add input:focus,.todo .edit:focus,.field:focus{border-color:var(--accent);outline:2px solid color-mix(in srgb,var(--accent) 30%,transparent)}
.todos{flex:1;overflow-y:auto;padding:4px 0;list-style:none;margin:0}
.todo{display:flex;align-items:center;gap:8px;padding:0 12px;min-height:2.2rem;border-bottom:1px solid var(--line2)}
.todo input[type=checkbox],.dli input{accent-color:var(--accent)}
.todo input[type=checkbox]{width:1.1rem;height:1.1rem;flex:0 0 auto;margin:0}
.todo .t{flex:1;min-width:0;padding:6px 2px;overflow-wrap:anywhere;border-radius:4px}
.todo.done .t{text-decoration:line-through;color:var(--muted)}
.todo .x{opacity:0;border:0;background:none;color:var(--danger);font-size:1rem;padding:2px 6px}
.todo:hover .x,.todo .x:focus-visible{opacity:1}
.todo .edit{flex:1;min-width:0;border:1px solid var(--accent);border-radius:6px;padding:4px 8px;font:inherit;background:var(--field);margin:3px 0}
.todo .t a,.dt a,.preview a{color:var(--link)}
.todo .t code,.dt code{background:var(--code-bg);border-radius:4px;padding:0 4px;font-size:.85em;direction:ltr;unicode-bidi:embed}
.empty{padding:22px 16px;color:var(--muted);font-size:.8125rem;line-height:1.9}
.sweep{border:0;background:none;color:var(--muted);font-size:.75rem;text-decoration:underline;padding:0}
.sweep:hover{color:var(--ink)}

/* یادداشت */
.seg{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.seg button{border:0;background:var(--surface);padding:3px 11px;font-size:.75rem;color:var(--ink)}
.seg button+button{border-inline-start:1px solid var(--line)}
.seg button.on{background:linear-gradient(135deg,var(--btn-a),var(--btn-b));color:#fff}
.note-body{flex:1;min-height:0;display:flex}
.sheet{padding:calc(var(--lh)/2) 16px;font-family:var(--font);font-size:.875rem;line-height:var(--lh);color:var(--ink);
  background-color:transparent;
  background-image:repeating-linear-gradient(to bottom,transparent 0,transparent calc(var(--lh) - 1px),var(--sheet-line) calc(var(--lh) - 1px),var(--sheet-line) var(--lh));
  background-attachment:local;background-origin:content-box}
.note-body textarea.sheet{flex:1;min-width:0;resize:none;border:0;outline:none;margin:0;display:block;border-radius:0}
.note-body.split textarea.sheet{border-inline-end:1px solid var(--line)}
.sheet,.preview,.todo-add input,.todo .edit,.todo .t,.dt{direction:rtl;text-align:right}
.preview{flex:1;min-width:0;min-height:0;overflow:auto;overflow-wrap:anywhere}
.preview h1,.preview h2,.preview h3,.preview h4,.preview p,.preview ul,.preview ol,.preview blockquote,.preview pre,.preview hr{margin:0 0 var(--lh)}
.preview h1,.preview h2,.preview h3,.preview h4{line-height:var(--lh);font-weight:700}
.preview h1{font-size:1.45em}
.preview h2{font-size:1.25em}
.preview h3{font-size:1.1em}
.preview h4{font-size:1em}
.preview ul,.preview ol{padding-inline-start:1.6em}
.preview li{margin:0}
.preview li.task{list-style:none;margin-inline-start:-1.4em}
.preview li.task input{vertical-align:middle;margin:0 0 0 .4em;width:1em;height:1em;accent-color:var(--accent)}
.preview blockquote{padding:0 1em;border-inline-start:4px solid var(--accent);color:var(--muted)}
.preview code{background:var(--code-bg);border-radius:4px;padding:0 5px;font:.8125rem ui-monospace,Consolas,monospace;line-height:1;direction:ltr;unicode-bidi:embed}
.preview pre{background:var(--pre-bg);color:var(--pre-ink);padding:calc(var(--lh)/2) 14px;line-height:var(--lh);border-radius:8px;overflow:auto;direction:ltr;text-align:left}
.preview pre code{background:none;color:inherit;padding:0;line-height:var(--lh)}
.preview hr{border:0;height:var(--lh);background:linear-gradient(var(--line),var(--line)) center/100% 1px no-repeat}
.preview .hint{color:var(--muted)}
mark{color:#1b1b1f}
.uc{color:var(--uc)}
.uc{color:color-mix(in srgb,var(--uc) 86%,#000)}
html[data-theme=dark] .uc{color:color-mix(in srgb,var(--uc) 48%,#fff)}
.nothing{flex:1;display:grid;place-items:center;text-align:center;color:var(--muted);padding:30px;line-height:2}

/* داشبورد */
.dash-tools{display:flex;align-items:center;gap:14px;margin-inline-start:auto;font-size:.8125rem;color:var(--muted);flex-wrap:wrap;justify-content:flex-end}
.dash-tools label{display:flex;align-items:center;gap:6px;cursor:pointer;color:var(--ink)}
.dash-tools input{accent-color:var(--accent);width:1rem;height:1rem}
.dash{flex:1;min-height:0;display:flex;gap:14px;padding:14px;overflow-x:auto;overflow-y:hidden;align-items:stretch;scroll-snap-type:x proximity}
.dcol{flex:1 0 clamp(250px,24vw,420px);min-height:0;display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);border-radius:14px;overflow:hidden;scroll-snap-align:start}
.dcol-h{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:10px 14px;border:0;background:linear-gradient(135deg,var(--btn-a),var(--btn-b));color:#fff;font-weight:800;font-size:.95rem;text-align:start}
.dcol-h:hover{filter:brightness(1.1)}
.dcol-body{flex:1;min-height:0;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:10px}
.dbox{flex:0 0 auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.dbox-h{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:8px 12px;border:0;border-bottom:1px solid var(--line);background:var(--paper-2);color:var(--ink);font-weight:700;font-size:.875rem;text-align:start}
.dbox-h:hover{background:var(--hover)}
.badge{flex:0 0 auto;font-size:.75rem;font-weight:700;padding:1px 8px;border-radius:99px;background:var(--hover);color:var(--ink)}
.dcol-h .badge{background:rgba(255,255,255,.25);color:#fff}
.dlist{list-style:none;margin:0;padding:2px 0}
.dli{display:flex;align-items:flex-start;gap:8px;padding:6px 12px;border-bottom:1px solid var(--line2)}
.dli:last-child{border-bottom:0}
.dli input{flex:0 0 auto;margin:.22rem 0 0;width:1.05rem;height:1.05rem}
.dt{flex:1;min-width:0;overflow-wrap:anywhere;line-height:1.7}
.dli.done .dt{text-decoration:line-through;color:var(--muted)}
.dnone{padding:10px 12px;color:var(--muted);font-size:.8125rem}

/* پنجره‌ها */
.modal-back{position:fixed;inset:0;background:var(--scrim);z-index:80;display:grid;place-items:center;padding:16px}
.modal{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px;width:min(560px,100%);max-height:min(80vh,680px);display:flex;flex-direction:column;box-shadow:0 20px 50px rgba(0,0,0,.4);overflow:hidden}
.modal-h{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.modal-acts{display:flex;gap:6px}
.modal-b{padding:14px 16px;overflow:auto;flex:1}
.modal-f{display:flex;gap:8px;justify-content:flex-end;padding:12px 16px;border-top:1px solid var(--line)}
.trash-list{list-style:none;margin:0;padding:0;overflow:auto;flex:1}
.trash-list li{display:flex;gap:10px;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line2)}
.trash-list .tx{flex:1;min-width:0;overflow-wrap:anywhere}
.trash-list small{display:block;color:var(--muted);margin-top:2px;font-size:.75rem}
.trash-list .empty{display:block;text-align:center}
.field{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 11px;font:inherit;background:var(--field)}
.field.bad{border-color:var(--danger);outline:2px solid color-mix(in srgb,var(--danger) 30%,transparent)}
.lbl{font-size:.8125rem;font-weight:700;margin:12px 0 6px}
.lbl:first-child{margin-top:0}
.hint{margin:0 0 8px;font-size:.8125rem;color:var(--muted);line-height:1.8}
.grps{display:flex;flex-direction:column;gap:8px;max-height:min(40vh,320px);overflow:auto;padding:2px}
.grp{border:1px solid var(--line);border-radius:10px;padding:6px 12px;background:var(--paper-2)}
.grp label{display:flex;align-items:center;gap:8px;padding:4px 0;cursor:pointer}
.grp .grp-h{border-bottom:1px dashed var(--line);padding-bottom:6px;margin-bottom:2px}
.grp-b{display:grid;grid-template-columns:repeat(auto-fill,minmax(9rem,1fr));column-gap:10px}
.grp input,.opt input{width:1.05rem;height:1.05rem;accent-color:var(--accent);flex:0 0 auto}
.opt{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:.8125rem;cursor:pointer}
.toast{position:fixed;left:50%;bottom:max(24px,env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:9px 16px;border-radius:8px;font-size:.8125rem;z-index:90;box-shadow:0 6px 18px rgba(0,0,0,.35);max-width:90vw}

/* ===== مانیتور و لپ‌تاپ بزرگ ===== */
@media (min-width:1600px){ html{font-size:17px} :root{--lh:32px} }
@media (min-width:1920px){ html{font-size:18px} :root{--lh:36px} body{padding-top:20px;padding-bottom:24px} }
@media (min-width:2560px){ html{font-size:22px} :root{--lh:44px} }
@media (min-width:3400px){ html{font-size:30px} :root{--lh:60px} }

/* ===== تبلت و پنجره‌ی باریک ===== */
@media (max-width:1023px){
  .panes{grid-template-columns:minmax(200px,2fr) 3fr}
  .crumb{flex-wrap:wrap}
  .tbar{flex:1 1 100%;margin-inline-start:0}
}

/* ===== گوشی ===== */
@media (max-width:700px){
  html{font-size:16px}
  :root{--lh:32px}
  body{padding:max(8px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left))}
  .topbar h1{font-size:.9rem}
  .tools button{padding:6px 9px}
  .rings{display:none}
  .vtabs{gap:5px;padding:8px 0}
  .vtab .nm{font-size:.78rem;padding:10px 3px 10px 1px}
  .vtabs .add{margin:2px 8px}
  .crumb{padding:6px 12px}
  .switch{display:flex;gap:6px;padding:8px 10px;border-bottom:1px solid var(--line)}
  .switch button{flex:1;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:9px 6px;font-size:.875rem;font-weight:600;color:var(--ink)}
  .switch button.on{background:linear-gradient(135deg,var(--btn-a),var(--btn-b));border-color:transparent;color:#fff}
  .panes{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr)}
  .panes[data-show=todo] .pane:nth-child(2),.panes[data-show=note] .pane:nth-child(1){display:none}
  .pane + .pane{border-inline-start:0}
  .pane-h{padding:8px 12px}
  .note-body.split{flex-direction:column}
  .note-body.split textarea.sheet{border-inline-end:0;border-bottom:1px solid var(--line)}
  .sheet{font-size:16px;padding-inline:12px}
  .todo-add input,.todo .edit{font-size:16px}
  .dash{padding:10px;gap:10px}
  .dcol{flex-basis:86vw}
}
/* گوشی در حالت افقی یا صفحه‌ی کوتاه */
@media (max-height:520px){
  body{padding-top:max(6px,env(safe-area-inset-top));padding-bottom:max(6px,env(safe-area-inset-bottom))}
  .topbar{margin-bottom:4px}
  .topbar h1{display:none}
  .tools{width:100%}
  .crumb{padding:4px 10px}
  .crumb strong{display:none}
  .tbar{flex:1 1 100%}
  .vtabs{padding:6px 0}
}
/* صفحه‌ی لمسی */
@media (pointer:coarse){
  .dots{padding:8px 9px}
  .vtab .dots{padding:8px 4px}
  .htab .nm{padding-top:10px;padding-bottom:9px}
  .htab.active .nm{padding-top:12px}
  .add{padding:8px 16px}
  .todo{min-height:2.9rem}
  .todo input[type=checkbox]{width:1.3rem;height:1.3rem}
  .dli input{width:1.3rem;height:1.3rem}
  .todo .x{opacity:.7;padding:8px 10px}
  .menu button{padding:12px 16px;font-size:.9rem}
  .seg button{padding:6px 12px}
  .sweep{padding:6px 2px}
  .tbar button{min-width:2.4rem;height:2.4rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.cloud{background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:12px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.cloud-main,.cloud-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cloud-meta{font-size:.72rem;color:var(--muted)}
.cloud button,.cloud select,.cloud-dialog button{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:6px;padding:5px 9px;font-size:.78rem}
.cloud select{max-width:200px}.cloud strong{font-size:.9rem}.cloud-dialog{max-width:min(540px,94vw);border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);font-family:var(--font);padding:24px;max-height:85vh}.cloud-dialog::backdrop{background:var(--scrim)}.cloud-dialog h2{font-size:1.1rem}.cloud-dialog input,.cloud-dialog select,.cloud-dialog textarea{padding:8px;font:inherit;max-width:100%;margin:6px;border:1px solid var(--line);border-radius:6px;background:var(--field);color:var(--ink)}.cloud-dialog textarea{width:100%;height:80px;font-size:.75rem}.cloud-dialog p{font-size:.82rem;line-height:1.8}#syncStatus{max-width:300px}button:disabled{opacity:.5;cursor:default}.login-body{display:grid;place-items:center;overflow:auto}.login-card{width:min(420px,100%);background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 15px 60px var(--shadow)}.login-card h1{margin-top:0}.login-card label{display:block;margin:20px 0 8px}.login-card input{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--field);font:inherit}.login-card p{line-height:1.8}.login-card button{padding:10px 20px}.login-card #loginStatus{color:var(--danger)}