/* ───────── Variant B tokens (точно как в Windows-handoff) ───────── */
:root{
  --bg:#FBFAF7; --bg-elev:#FFFFFF; --bg-sunken:#F4F2EE; --bg-hover:#F0EDE7;
  --line:rgba(20,14,8,0.07); --line-strong:rgba(20,14,8,0.12);
  --ink:#15110D; --ink-2:#44403B; --ink-3:#7C766E; --ink-4:#A8A29A;
  --accent:#D97757; --accent-soft:#FBEFE7; --accent-ink:#8C3F22;
  --good:#1F8A5B; --warn:#C28A2E; --danger:#B33A2A;
  --r:10px; --r-sm:6px; --r-lg:14px;
  --shadow-1:0 1px 2px rgba(20,14,8,.04),0 1px 1px rgba(20,14,8,.03);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:13.5px;line-height:1.45;
  -webkit-font-smoothing:antialiased}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:transparent}
.muted{color:var(--ink-3)}
.muted.small{font-size:12px}
.mono{font-family:var(--mono)}
.grow{flex:1}

.kbd{font-family:var(--mono);font-size:11px;padding:2px 6px;border-radius:4px;
  background:var(--bg-elev);border:1px solid var(--line-strong);color:var(--ink-3);
  line-height:1}
.kbd-inv{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.25);color:#fff}

.iconbtn{width:34px;height:34px;display:inline-flex;align-items:center;
  justify-content:center;border:1px solid var(--line-strong);background:var(--bg-elev);
  border-radius:8px;color:var(--ink-2);transition:background .12s}
.iconbtn:hover{background:var(--bg-hover);color:var(--ink)}
.iconbtn.ghost{border-color:transparent;background:transparent}
.iconbtn.ghost:hover{background:var(--bg-hover)}

/* ───────── LANDING ───────── */
.landing{max-width:1100px;margin:0 auto;padding:24px 32px 60px}
.landing-top{display:flex;align-items:center;justify-content:space-between;
  padding:8px 0 32px}
.landing-nav{display:flex;align-items:center;gap:24px}
.nav-link{color:var(--ink-2);text-decoration:none;font-weight:500;font-size:14px}
.nav-link:hover{color:var(--ink)}

.hero{padding:40px 0 60px;text-align:center;position:relative}
.hero h1{margin:0;font-size:56px;line-height:1.05;font-weight:700;letter-spacing:-.02em}
.hero-sub{margin:20px auto 30px;max-width:580px;font-size:17px;line-height:1.55;color:var(--ink-2)}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:60px}
.btn.big{height:46px;padding:0 22px;font-size:15px;border-radius:10px}
.btn.full{width:100%}

.hero-illustration{position:relative;max-width:520px;margin:0 auto;height:280px}
.hero-card{position:absolute;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:14px;padding:14px 16px;box-shadow:var(--shadow-1);
  width:280px;transform:rotate(-2deg);text-align:left}
.hero-card.delay{top:80px;right:0;transform:rotate(3deg)}
.hero-card.delay-2{top:160px;left:80px;transform:rotate(-1deg)}
.hero-card-top{display:flex;align-items:center;gap:8px;color:var(--ink-3);
  font-size:12px;margin-bottom:8px}
.hero-card-top .dot{width:6px;height:6px;border-radius:50%}
.hero-card-top .dot.warn{background:var(--warn)}
.hero-card-top .dot.good{background:var(--good)}
.hero-card-top .dot.overdue{background:var(--danger)}
.hero-card-text{font-size:14px;line-height:1.4;color:var(--ink);margin-bottom:8px}
.hero-card-pill{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;
  border-radius:6px;font-size:11.5px;font-weight:500;
  background:var(--accent-soft);color:var(--accent-ink);
  border:1px solid rgba(217,119,87,.25)}
.hero-card-pill.overdue{background:rgba(179,58,42,.08);color:var(--danger);
  border-color:rgba(179,58,42,.2)}

.features{padding:60px 0;border-top:1px solid var(--line)}
.features h2{margin:0 0 32px;font-size:32px;font-weight:700;letter-spacing:-.01em;text-align:center}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.feature{padding:24px;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:14px}
.feature-icon{font-size:28px;margin-bottom:12px}
.feature h3{margin:0 0 8px;font-size:17px;font-weight:600}
.feature p{margin:0;color:var(--ink-2);font-size:14px;line-height:1.5}
.feature em{font-style:italic;color:var(--accent-ink)}

.download{padding:60px 0;border-top:1px solid var(--line);text-align:center}
.download h2{margin:0 0 12px;font-size:32px;font-weight:700;letter-spacing:-.01em}
.download .muted{margin:0 auto 32px;max-width:520px}
.downloads-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:16px;max-width:880px;margin:0 auto}
.download-card{display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:28px 20px;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:14px;text-decoration:none;color:inherit;cursor:pointer;
  transition:transform .12s,box-shadow .12s;text-align:center;font:inherit}
.download-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(20,14,8,.06)}
.download-card .dl-icon{font-size:40px;margin-bottom:4px}
.download-card h3{margin:0;font-size:18px;font-weight:600}
.download-card .btn{margin:8px 0 4px}

.landing-footer{padding:32px 0 0;text-align:center;border-top:1px solid var(--line);margin-top:40px}

/* ───────── MODAL ───────── */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center}
.modal[hidden],.app[hidden],.landing[hidden]{display:none !important}
.modal-backdrop{position:absolute;inset:0;background:rgba(20,14,8,.45);
  animation:fadeIn .15s}
.modal-card{position:relative;background:var(--bg-elev);border-radius:18px;
  padding:36px 32px 28px;text-align:center;max-width:420px;width:calc(100% - 32px);
  box-shadow:0 18px 50px rgba(20,14,8,.18);animation:slideUp .2s}
.modal-card .brand-mark{width:44px;height:44px;border-radius:12px;margin:0 auto 14px;
  background:linear-gradient(140deg,#E48A6C,#C7593B);color:#fff;
  display:grid;place-items:center;font-size:18px;
  box-shadow:inset 0 -2px 4px rgba(0,0,0,.12),0 1px 2px rgba(196,73,42,.3)}
.modal-card h2{margin:0 0 8px;font-size:24px;font-weight:700}
.modal-card input{margin:18px 0 10px;text-align:center;height:44px;
  border-radius:10px;font-size:15px}
.modal-card .btn{padding:14px;font-weight:600;width:100%}
.modal-close{position:absolute;top:12px;right:14px;width:32px;height:32px;
  border:0;background:transparent;color:var(--ink-3);font-size:18px;
  border-radius:8px;cursor:pointer}
.modal-close:hover{background:var(--bg-hover);color:var(--ink)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ───────── APP shell ───────── */
.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}

/* ───────── TOPBAR ───────── */
.topbar{height:56px;flex:0 0 56px;display:flex;align-items:center;gap:14px;
  padding:0 16px;border-bottom:1px solid var(--line);background:var(--bg)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14.5px;
  letter-spacing:-.01em}
.brand-mark{width:28px;height:28px;border-radius:8px;
  background:linear-gradient(140deg,#E48A6C,#C7593B);color:#fff;
  display:grid;place-items:center;font-size:14px;
  box-shadow:inset 0 -2px 4px rgba(0,0,0,.12),0 1px 2px rgba(196,73,42,.3)}
.brand-sub{color:var(--ink-3);font-weight:400;padding-left:10px;margin-left:4px;
  border-left:1px solid var(--line-strong)}

.search{flex:1 1 auto;max-width:460px;height:34px;display:flex;align-items:center;
  gap:8px;padding:0 12px;background:var(--bg-sunken);border:1px solid transparent;
  border-radius:8px;color:var(--ink-3);transition:border-color .15s,background .15s}
.search:focus-within{background:var(--bg-elev);border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(217,119,87,.16);color:var(--ink)}
.search input{flex:1;border:0;outline:0;background:transparent;color:var(--ink);
  font-size:13.5px}
.search input::placeholder{color:var(--ink-3)}
.search-icon{color:var(--ink-3);flex:0 0 auto}

.topbar-right{margin-left:auto;display:flex;align-items:center;gap:8px}

.record{height:34px;padding:0 14px 0 10px;display:flex;align-items:center;gap:8px;
  border-radius:8px;background:var(--accent);color:#fff;font-weight:500;
  border:1px solid var(--accent);
  box-shadow:0 1px 2px rgba(196,73,42,.35),inset 0 -1px 0 rgba(0,0,0,.08);
  transition:background .15s,transform .08s}
.record:hover{background:#CE6B4C}
.record:active{transform:translateY(1px)}
.record .dot{width:8px;height:8px;border-radius:50%;background:#fff;opacity:.9}

.menu-toggle{display:none}

/* ───────── BODY ───────── */
.body{flex:1 1 auto;min-height:0;display:flex}

/* ───────── SIDEBAR ───────── */
.sidebar{flex:0 0 200px;width:200px;background:var(--bg);
  border-right:1px solid var(--line);padding:10px 8px;display:flex;flex-direction:column;
  gap:2px;overflow-y:auto}
.sidebar-label{padding:14px 10px 6px;color:var(--ink-4);font-size:11px;
  font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.side-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;
  color:var(--ink-2);font:inherit;font-size:13.5px;width:100%;text-align:left;
  transition:background .12s}
.side-item:hover{background:var(--bg-hover);color:var(--ink)}
.side-item.active{background:var(--bg-sunken);color:var(--ink);font-weight:500}
.side-item .i{width:18px;text-align:center;font-size:13px;color:var(--ink-3)}
.side-item.active .i{color:var(--accent)}
.side-item .t{flex:1}
.side-item .n{font-family:var(--mono);font-size:11px;color:var(--ink-4)}
.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:8px}

/* ───────── PANES ───────── */
.pane{flex:0 0 auto;display:flex;flex-direction:column;min-width:0}
.list-pane{width:320px;background:var(--bg-sunken);border-right:1px solid var(--line)}
.detail-pane{flex:1;background:var(--bg-elev)}

.list-head{padding:12px 14px 8px;display:flex;align-items:baseline;gap:8px;
  background:var(--bg-sunken);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1}
.list-head h2{margin:0;font-size:13.5px;font-weight:600}
.list-head .mono{margin-left:auto;font-size:11px;color:var(--ink-3)}
.list-head .back-btn{display:none}

.notes-list{overflow-y:auto;flex:1;padding:6px}
.list-item{padding:10px 12px;border-radius:8px;cursor:pointer;display:flex;
  flex-direction:column;gap:4px;transition:background .12s}
.list-item:hover{background:var(--bg-hover)}
.list-item.selected{background:var(--bg-elev);box-shadow:var(--shadow-1)}
.list-item .row{display:flex;align-items:center;gap:8px;justify-content:space-between}
.list-item .time{font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.list-item .title{font-size:13.5px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-item .reminder{font-size:11.5px;color:var(--accent-ink);
  display:flex;align-items:center;gap:4px}
.list-item .reminder.overdue{color:var(--danger)}
.list-item .tags{display:flex;gap:4px;font-size:11px;color:var(--ink-3);flex-wrap:wrap}
.list-item .dot{width:6px;height:6px;border-radius:50%}
.list-item .dot.pending{background:var(--warn)}
.list-item .dot.overdue{background:var(--danger)}
.list-item .dot.done{background:var(--good)}
.list-item .dot.idea{background:var(--ink-4)}

.date-section{padding:10px 12px 4px;font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3)}

/* ───────── DETAIL ───────── */
.detail-head{padding:18px 24px 14px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px}
.detail-head .back-btn{display:none}
.detail-head .meta{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.detail-head .when{font-size:11.5px;color:var(--ink-3)}
.detail-head h3{margin:0;font-size:14px;font-weight:600}

.detail-pill{display:inline-flex;align-items:center;gap:5px;padding:0 8px;height:22px;
  font-size:11.5px;font-weight:500;border-radius:6px;
  background:var(--accent-soft);color:var(--accent-ink);
  border:1px solid rgba(217,119,87,.25)}
.detail-pill.overdue{background:rgba(179,58,42,.08);color:var(--danger);
  border-color:rgba(179,58,42,.2)}

.detail-body{flex:1;overflow-y:auto;padding:18px 24px 24px;display:flex;flex-direction:column}
.detail-body textarea{width:100%;min-height:120px;resize:vertical;font-size:15px;
  line-height:1.55;border:0;background:transparent;outline:0;padding:0}

.section{margin-top:20px}
.section h4{margin:0 0 8px;font-size:11px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-3)}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.input{height:34px;padding:0 12px;background:var(--bg);border:1px solid var(--line-strong);
  border-radius:8px;font-size:13.5px;color:var(--ink);outline:0;
  transition:border-color .12s,box-shadow .12s}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,87,.16)}
.input.mono{font-family:var(--mono);font-size:12.5px}

.segmented{display:inline-flex;background:var(--bg-sunken);border:1px solid var(--line);
  padding:3px;border-radius:8px;gap:2px}
.segmented button{height:26px;padding:0 10px;border-radius:6px;color:var(--ink-3);
  font-size:12.5px;display:flex;align-items:center;gap:6px;transition:background .12s,color .12s}
.segmented button:hover{color:var(--ink-2)}

.channels{display:flex;gap:10px;flex-wrap:wrap}
.channel{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;
  border:1px solid var(--line-strong);background:var(--bg);
  color:var(--ink-2);border-radius:8px;cursor:pointer;font-size:13.5px;
  transition:all .12s;user-select:none}
.channel input{display:none}
.channel .box{width:18px;height:18px;border:1.5px solid var(--line-strong);
  border-radius:5px;display:grid;place-items:center;flex:0 0 auto;color:transparent}
.channel.on{background:var(--accent-soft);color:var(--accent-ink);border-color:var(--accent)}
.channel.on .box{background:var(--accent);border-color:var(--accent);color:#fff}
.channel.on .box::after{content:"✓";font-size:11px;line-height:1}

.tag-chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;
  border-radius:999px;background:var(--bg-sunken);color:var(--ink-2);
  border:1px solid var(--line);font-size:12px}
.chip .x{margin-left:2px;color:var(--ink-3);cursor:pointer}
.chip .x:hover{color:var(--danger)}
.chip.add{cursor:pointer;color:var(--ink-3)}
.chip.add:hover{background:var(--bg-hover);color:var(--ink)}

.detail-foot{display:flex;gap:8px;padding:12px 24px;border-top:1px solid var(--line);
  background:var(--bg)}
.btn{height:32px;padding:0 14px;border-radius:8px;border:1px solid var(--line-strong);
  background:var(--bg-elev);font-size:13px;font-weight:500;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;transition:background .12s,transform .08s}
.btn:hover{background:var(--bg-hover)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.primary:hover{background:#2a2520}
.btn.danger{color:var(--danger)}
.btn.danger:hover{background:#FBEAE7}

input{height:34px;padding:0 12px;background:var(--bg-elev);border:1px solid var(--line-strong);
  border-radius:8px;font-size:14px;color:var(--ink);outline:0;width:100%}
input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,87,.16)}
.login-card button.primary{height:42px;border-radius:10px;font-weight:600;font-size:15px}

.empty{flex:1;display:grid;place-items:center;text-align:center;padding:40px;color:var(--ink-3)}
.empty .empty-icon{font-size:32px;margin-bottom:10px}
.empty h3{margin:0 0 4px;color:var(--ink)}

/* ───────── RESPONSIVE ───────── */

/* Tablet — sidebar 180px, list 280px */
@media (max-width:1100px){
  .sidebar{flex:0 0 180px;width:180px}
  .list-pane{width:280px}
  .search{max-width:280px}
}

/* Mobile — одна колонка, кнопки навигации */
@media (max-width:720px){
  .menu-toggle{display:inline-flex}
  .brand-sub{display:none}
  .search{max-width:none;flex:1}
  .topbar-right .record span:not(.dot):not(.kbd-inv){display:none}
  .topbar-right .record{padding:0 12px}
  .topbar-right .kbd-inv{display:none}

  .body{position:relative}

  /* sidebar выезжает overlay-ом */
  .sidebar{position:absolute;top:0;left:0;bottom:0;z-index:5;
    transform:translateX(-100%);transition:transform .2s ease;
    box-shadow:2px 0 12px rgba(0,0,0,.1);width:240px;flex-basis:240px}
  .sidebar.open{transform:translateX(0)}

  /* list + detail — одна за другой, активная видна */
  .list-pane,.detail-pane{position:absolute;inset:0;width:100%}
  .list-pane{transition:transform .2s ease;z-index:2}
  .detail-pane{transform:translateX(100%);transition:transform .2s ease;z-index:3}
  .app.show-detail .list-pane{transform:translateX(-30%)}
  .app.show-detail .detail-pane{transform:translateX(0)}

  .list-head .back-btn,.detail-head .back-btn{display:inline-flex;
    width:30px;height:30px;background:transparent;border:0;color:var(--ink-3)}
  .list-head .back-btn:hover,.detail-head .back-btn:hover{color:var(--ink)}

  .detail-head{padding:14px 18px 12px}
  .detail-body{padding:14px 18px}
  .detail-foot{padding:10px 18px;flex-wrap:wrap}
  .detail-foot .btn{flex:1}
  .detail-foot .btn.danger{flex:0 0 auto}

  .segmented{flex-wrap:wrap}
  .row{flex-direction:column;align-items:stretch}
  .row .input{width:100%}
}

/* sidebar overlay backdrop on mobile when open */
@media (max-width:720px){
  .sidebar-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.3);z-index:4;
    opacity:0;pointer-events:none;transition:opacity .2s}
  .sidebar-backdrop.open{opacity:1;pointer-events:auto}

  /* landing mobile */
  .landing{padding:20px 16px 40px}
  .landing-top{flex-wrap:wrap;gap:14px;padding-bottom:20px}
  .landing-nav{gap:14px;width:100%;justify-content:space-between}
  .hero h1{font-size:36px}
  .hero-sub{font-size:15px;margin:14px auto 22px}
  .hero-actions .btn.big{flex:1;font-size:14px;padding:0 14px}
  .hero-illustration{height:220px;max-width:340px}
  .hero-card{width:240px}
  .hero-card.delay-2{left:30px}
  .features{padding:40px 0}
  .features h2{font-size:24px}
  .download{padding:40px 0}
  .download h2{font-size:24px}
  .modal-card{padding:28px 22px 22px}
  .modal-card h2{font-size:20px}
}