:root {
  --bg: #f7f6f3;
  --panel: #ffffff;
  --side: #efede8;
  --text: #1f1f1d;
  --muted: #74726c;
  --faint: #a6a49d;
  --line: #e4e1da;
  --hover: #f0eee9;
  --accent: #c2410c;
  --accent-soft: #fbe9df;
  --p1: #d1453b;
  --p2: #e88a1a;
  --p3: #3d7bd9;
  --p4: #a6a49d;
  --ok: #2f8f4e;
  --warn: #b45309;
  --overdue: #d1453b;
  --today: #2f8f4e;
  --soon: #7c4dbd;
  --claude: #c2410c;
  --shadow: 0 8px 30px rgba(0, 0, 0, .12);
  --radius: 10px;
  --tabbar-h: 58px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #18181b;
    --panel: #212124;
    --side: #1d1d20;
    --text: #ecebe8;
    --muted: #a3a19b;
    --faint: #6f6d68;
    --line: #333336;
    --hover: #2a2a2e;
    --accent: #f08a5d;
    --accent-soft: #3a2a22;
    --p1: #f2685e;
    --p2: #f3a33b;
    --p3: #6aa1f0;
    --p4: #6f6d68;
    --ok: #4cbf70;
    --overdue: #f2685e;
    --today: #4cbf70;
    --soon: #a98be0;
    --claude: #f08a5d;
    --shadow: 0 8px 30px rgba(0, 0, 0, .5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--p1); min-height: 1.2em; margin: 0; font-size: 14px; }

.ico { display: inline-flex; width: 18px; height: 18px; flex: none; }
.ico svg { width: 100%; height: 100%; }

.boot { position: fixed; inset: 0; display: grid; place-items: center; color: var(--muted); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 40px; padding: 0 16px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel); font-weight: 500;
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.danger { color: var(--p1); }
.btn.small { min-height: 32px; padding: 0 12px; font-size: 14px; }
.btn.link { border: 0; background: none; color: var(--muted); min-height: 32px; font-weight: 400; font-size: 14px; }
.btn:disabled { opacity: .5; cursor: default; }
.icon-btn {
  position: relative; display: inline-grid; place-items: center;
  width: 36px; height: 36px; border-radius: 8px; color: var(--muted);
}
.icon-btn:hover { background: var(--hover); color: var(--text); }
.dot { position: absolute; top: 6px; right: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--claude); }

/* ── Login ── */
.login { min-height: 100%; display: grid; place-items: center; padding: 24px 16px; }
.login-card {
  width: 100%; max-width: 360px; display: grid; gap: 14px;
  background: var(--panel); padding: 28px 24px; border-radius: 16px; border: 1px solid var(--line);
}
.login-card h1 { margin: 0; font-size: 22px; }
.login-card p { margin: 0; }
.login-logo { border-radius: 12px; }
.login-card label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.login-card input {
  font-size: 16px; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text);
}

/* ── Layout ── */
.app { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; min-height: 100dvh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; height: 100dvh; overflow-y: auto;
  background: var(--side); border-right: 1px solid var(--line);
  padding: 16px 10px; display: flex; flex-direction: column; gap: 4px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; padding: 4px 10px 14px; }
.brand img { border-radius: 6px; }
.side-nav { display: grid; gap: 1px; }
.side-link {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  padding: 7px 10px; border-radius: 7px; color: var(--text); position: relative;
}
.side-link:hover { background: var(--hover); }
.side-link.on { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.side-link .count { margin-left: auto; color: var(--faint); font-size: 13px; font-variant-numeric: tabular-nums; }
.side-link .count.red { color: var(--overdue); }
.side-link .dot { position: static; margin-left: auto; }
.side-link .pdot { width: 9px; height: 9px; border-radius: 50%; flex: none; margin: 0 4px; background: var(--faint); }
.projects .side-link { font-size: 14px; padding: 5px 10px; }
.projects .side-link .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-section { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; padding: 16px 10px 4px; }
.side-foot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); display: grid; gap: 1px; }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: flex; align-items: center; gap: 8px; padding: 18px 32px 8px; max-width: 860px; width: 100%; margin: 0 auto;
}
.topbar h1 { margin: 0; font-size: 22px; font-weight: 700; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.top-actions { display: flex; gap: 2px; }
.content { padding: 0 32px 120px; max-width: 860px; width: 100%; margin: 0 auto; outline: none; }

/* ── Quick add ── */
.quick { max-width: 860px; width: 100%; margin: 4px auto 10px; padding: 0 32px; }
.quick-row {
  display: flex; align-items: center; gap: 8px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 6px 6px 12px;
}
.quick-row:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.quick-row .plus { color: var(--accent); }
.quick-row input { flex: 1; min-width: 0; border: 0; outline: 0; background: none; font-size: 16px; padding: 6px 0; }
.quick-close { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 2px 0; }
.chips:empty { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 4px; font-size: 13px;
  background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 3px 4px 3px 10px;
}
.chip.default { background: var(--hover); color: var(--muted); }
.chip button { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; opacity: .7; }
.chip button:hover { opacity: 1; background: rgba(0, 0, 0, .08); }
.chip .ico { width: 12px; height: 12px; }
.chip-hint { font-size: 12px; color: var(--faint); padding: 3px 2px; }

/* ── Groups and task rows ── */
.group { margin: 18px 0 6px; }
.group-head {
  display: flex; align-items: baseline; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line);
  font-weight: 600; font-size: 14px;
}
.group-head .sub { font-weight: 400; color: var(--muted); font-size: 13px; }
.group-head .spacer { flex: 1; }
.group-head .act { font-size: 13px; color: var(--accent); font-weight: 500; }
.group-head.overdue { color: var(--overdue); }
.empty { color: var(--faint); font-size: 14px; padding: 10px 0; }
.empty-big { text-align: center; padding: 48px 16px; color: var(--muted); }
.empty-big .big { font-size: 40px; margin-bottom: 8px; }

.task { position: relative; border-bottom: 1px solid var(--line); overflow: hidden; touch-action: pan-y; }
.task-inner {
  position: relative; z-index: 1; display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 4px; background: var(--bg); transition: transform .2s ease;
}
.task.dragging .task-inner { transition: none; }
.task:hover .task-inner, .task.sel .task-inner { background: var(--hover); }
.task.sel .task-inner { box-shadow: inset 3px 0 0 var(--accent); }
.task.sub .task-inner { padding-left: 34px; }
.task.sub.d2 .task-inner { padding-left: 64px; }
.swipe-bg {
  position: absolute; inset: 0; display: flex; align-items: center; padding: 0 18px;
  color: #fff; font-weight: 600; font-size: 14px; gap: 8px;
}
.swipe-bg.left { background: var(--ok); justify-content: flex-start; }
.swipe-bg.right { background: var(--soon); justify-content: flex-end; }
.task:not(.swipe-r) .swipe-bg.left, .task:not(.swipe-l) .swipe-bg.right { display: none; }
.task.armed .swipe-bg { filter: brightness(1.1); }

.check {
  flex: none; width: 20px; height: 20px; margin-top: 1px; border-radius: 50%;
  border: 1.6px solid var(--p4); display: grid; place-items: center; color: transparent;
}
.check .ico { width: 12px; height: 12px; }
.check:hover { color: var(--muted); }
.p1 .check { border-color: var(--p1); background: color-mix(in srgb, var(--p1) 12%, transparent); }
.p2 .check { border-color: var(--p2); background: color-mix(in srgb, var(--p2) 12%, transparent); }
.p3 .check { border-color: var(--p3); background: color-mix(in srgb, var(--p3) 12%, transparent); }
.task.done .check { background: var(--faint); border-color: var(--faint); color: #fff; }
.task.done .title { text-decoration: line-through; color: var(--muted); }
.task.completing .check { background: var(--ok); border-color: var(--ok); color: #fff; }
.task.completing .title { color: var(--muted); }
.task.completing { animation: fadeout .45s ease .25s forwards; }
@keyframes fadeout { to { opacity: 0; } }

.body { flex: 1; min-width: 0; cursor: pointer; }
.title { word-wrap: break-word; }
.title a { color: var(--p3); }
.meta { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.meta:empty { display: none; }
.meta span { display: inline-flex; align-items: center; gap: 3px; }
.meta .ico { width: 13px; height: 13px; }
.meta .overdue { color: var(--overdue); }
.meta .today { color: var(--today); }
.meta .soon { color: var(--soon); }
.meta .tag { color: var(--muted); }
.meta .someday { background: var(--hover); border-radius: 4px; padding: 0 5px; }
.row-act { flex: none; opacity: 0; color: var(--muted); width: 28px; height: 28px; border-radius: 6px; display: grid; place-items: center; }
.task:hover .row-act, .task.sel .row-act { opacity: 1; }
.row-act:hover { background: var(--panel); color: var(--text); }
.twisty { flex: none; width: 16px; margin: 2px -6px 0 -4px; color: var(--faint); }
.twisty .ico { width: 14px; height: 14px; transition: transform .15s; }
.twisty.closed .ico { transform: rotate(-90deg); }

/* ── Projects list ── */
.plist { display: grid; }
.plist .prow {
  display: flex; align-items: center; gap: 10px; padding: 12px 6px; border-bottom: 1px solid var(--line); text-align: left; width: 100%;
}
.plist .prow:hover { background: var(--hover); }
.plist .prow.child { padding-left: 30px; }
.plist .prow .count { margin-left: auto; color: var(--faint); font-size: 13px; }
.pdot { width: 10px; height: 10px; border-radius: 50%; background: var(--faint); flex: none; }

/* ── Search ── */
.search-box {
  display: flex; align-items: center; gap: 8px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 8px 12px; margin: 4px 0 8px;
}
.search-box input { flex: 1; border: 0; outline: 0; background: none; font-size: 16px; }
.search-opts { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }

/* ── Sheets (dialogs) ── */
.scrim {
  position: fixed; inset: 0; z-index: 50; background: rgba(0, 0, 0, .35);
  display: flex; align-items: flex-start; justify-content: center; padding: 8vh 16px 16px;
  animation: fadein .15s ease;
}
@keyframes fadein { from { opacity: 0; } }
.sheet {
  width: 100%; max-width: 560px; max-height: 84vh; overflow-y: auto; background: var(--panel);
  border-radius: 14px; box-shadow: var(--shadow); padding: 18px 20px 20px;
  animation: pop .18s ease;
}
.sheet.narrow { max-width: 380px; }
@keyframes pop { from { transform: translateY(8px); opacity: 0; } }
.sheet h2 { margin: 0 0 12px; font-size: 17px; }
.sheet .field { display: grid; gap: 4px; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.sheet .field > span:first-child { font-weight: 500; }
.sheet input[type=text], .sheet input[type=date], .sheet input[type=time], .sheet input[type=number], .sheet select, .sheet textarea {
  width: 100%; font-size: 16px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--text); min-height: 40px;
}
.sheet textarea { min-height: 90px; resize: vertical; line-height: 1.45; }
.sheet .title-input { font-size: 18px !important; font-weight: 600; border-color: transparent !important; background: none !important; padding-left: 0 !important; }
.sheet .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sheet .grid3 { display: grid; grid-template-columns: 1.3fr 1fr .8fr; gap: 10px; }
.sheet .hint { font-size: 12px; color: var(--faint); }
.sheet .hint.bad { color: var(--p1); }
.sheet .check-line { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); margin-bottom: 12px; }
.sheet .foot { display: flex; gap: 8px; margin-top: 16px; align-items: center; }
.sheet .foot .spacer { flex: 1; }
.sheet .section-title { font-size: 13px; font-weight: 600; color: var(--muted); margin: 16px 0 6px; }
.sheet .subtasks .task-inner { background: var(--panel); }
.sheet .info { font-size: 13px; color: var(--muted); display: grid; gap: 4px; }
.sheet .info a { color: var(--p3); }
.label-picks { display: flex; flex-wrap: wrap; gap: 6px; }
.label-picks button { font-size: 13px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.label-picks button.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.prio-picks { display: flex; gap: 6px; }
.prio-picks button { flex: 1; min-height: 36px; border-radius: 8px; border: 1px solid var(--line); font-size: 14px; display: inline-flex; gap: 4px; align-items: center; justify-content: center; }
.prio-picks button.on { border-width: 2px; }
.prio-picks [data-p="1"] { color: var(--p1); } .prio-picks [data-p="2"] { color: var(--p2); }
.prio-picks [data-p="3"] { color: var(--p3); } .prio-picks [data-p="4"] { color: var(--muted); }
.prio-picks button.on[data-p="1"] { border-color: var(--p1); } .prio-picks button.on[data-p="2"] { border-color: var(--p2); }
.prio-picks button.on[data-p="3"] { border-color: var(--p3); } .prio-picks button.on[data-p="4"] { border-color: var(--muted); }

.menu { display: grid; gap: 2px; margin: 0 -8px; }
.menu button {
  display: flex; align-items: center; gap: 10px; padding: 10px 8px; border-radius: 8px; text-align: left; width: 100%;
}
.menu button:hover, .menu button:focus-visible { background: var(--hover); outline: none; }
.menu .when { margin-left: auto; color: var(--faint); font-size: 13px; }
.menu .ico { color: var(--muted); }
.menu-custom { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; margin-top: 10px; align-items: end; }

/* ── Activity drawer ── */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 40; width: min(420px, 100%);
  background: var(--panel); border-left: 1px solid var(--line); box-shadow: var(--shadow);
  display: flex; flex-direction: column; animation: slidein .2s ease;
}
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } }
.drawer-head { display: flex; align-items: center; gap: 10px; padding: 16px 12px 12px 18px; border-bottom: 1px solid var(--line); }
.drawer-head h2 { margin: 0; font-size: 17px; flex: 1; }
.drawer-body { overflow-y: auto; padding: 4px 18px 40px; flex: 1; }
.seg { display: inline-flex; background: var(--hover); border-radius: 8px; padding: 2px; }
.seg button { padding: 4px 10px; border-radius: 6px; font-size: 13px; color: var(--muted); }
.seg button.on { background: var(--panel); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.1); }
.batch { padding: 12px 0; border-bottom: 1px solid var(--line); }
.batch-head { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.batch-head .who { font-weight: 600; color: var(--text); }
.batch-head .who.claude { color: var(--claude); }
.batch-head .spacer { flex: 1; }
.batch.undone { opacity: .55; }
.batch ul { margin: 0; padding: 0 0 0 16px; font-size: 14px; display: grid; gap: 2px; }
.batch li .from { color: var(--muted); }
.batch .more { font-size: 13px; color: var(--muted); }

/* ── Toast ── */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 60;
  background: #2b2b2e; color: #fff; border-radius: 10px; padding: 10px 10px 10px 16px;
  display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow); font-size: 14px;
  max-width: calc(100% - 32px);
}
.toast button { color: #ffb38f; font-weight: 600; padding: 6px 8px; border-radius: 6px; }
.toast button:hover { background: rgba(255, 255, 255, .1); }
.toast.err { background: #8f1d16; }

/* ── Mobile ── */
.tabbar, .fab { display: none; }
kbd { font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--hover); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; }
.keys { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14px; align-items: center; }

@media (max-width: 800px) {
  .app { display: block; }
  .sidebar { display: none; }
  .topbar { padding: calc(env(safe-area-inset-top) + 10px) 16px 8px; }
  .content { padding: 0 16px calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 90px); }
  .quick {
    display: none; position: fixed; z-index: 45; left: 0; right: 0; top: 0; margin: 0;
    padding: calc(env(safe-area-inset-top) + 10px) 12px 12px; background: var(--panel); box-shadow: var(--shadow);
  }
  .quick.open { display: block; }
  .quick-close { display: inline-grid; }
  .quick-row { background: var(--bg); }
  .row-act { display: none; }
  .task-inner { padding: 12px 4px; }
  .check { width: 22px; height: 22px; }
  .title { font-size: 16px; }
  .tabbar {
    display: flex; position: fixed; z-index: 30; left: 0; right: 0; bottom: 0;
    height: calc(var(--tabbar-h) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
    background: color-mix(in srgb, var(--panel) 94%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
  }
  .tabbar button {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
    font-size: 11px; color: var(--muted); position: relative;
  }
  .tabbar button .ico { width: 22px; height: 22px; }
  .tabbar button.on { color: var(--accent); }
  .tabbar .badge {
    position: absolute; top: 5px; left: calc(50% + 6px); min-width: 17px; height: 17px; padding: 0 4px; border-radius: 9px;
    background: var(--overdue); color: #fff; font-size: 10.5px; display: grid; place-items: center; font-weight: 600;
  }
  .fab {
    display: grid; place-items: center; position: fixed; z-index: 31; right: 18px;
    bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 16px);
    width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: #fff; box-shadow: var(--shadow);
  }
  .fab .ico { width: 26px; height: 26px; }
  .scrim { align-items: flex-end; padding: 0; }
  .sheet, .sheet.narrow {
    max-width: none; border-radius: 16px 16px 0 0; max-height: 92vh; max-height: 92dvh;
    padding: 16px 16px calc(env(safe-area-inset-bottom) + 18px);
  }
  .sheet .grid3 { grid-template-columns: 1fr 1fr; }
  .sheet .grid3 > :last-child { grid-column: span 2; }
  .drawer { width: 100%; border-left: 0; padding-top: env(safe-area-inset-top); }
  .toast { bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 14px); }
  .keyboard-only { display: none; }
}