:root {
  --blue: #0047BA;
  --deep: #002C73;
  --ink: #333132;
  --slate: #5A6472;
  --grey: #7C7C7C;
  --border: #E1E5EB;
  --surface: #F4F5F7;
  --tint: #E4EDFB;
  --white: #FFFFFF;
  --pos: #2E7D4F;
  --neg: #C1272D;
  --sans: 'Montserrat', sans-serif;
  --dense: 'Avenir Next LT Pro', 'Questrial', Futura, sans-serif;
  --nav-h: 56px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--white);
  color: var(--ink);
  font: 400 16px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

/* ---------- Shell ---------- */
.app { max-width: 960px; margin: 0 auto; padding: 0 16px calc(var(--nav-h) + 32px); }
header.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0 12px; border-bottom: 3px solid var(--blue);
}
.brand { font-weight: 600; font-size: 20px; color: var(--blue); letter-spacing: -0.01em; }
.brand span { font-weight: 300; color: var(--slate); }
.top-actions { display: flex; gap: 8px; align-items: center; }
.sync-note { font-size: 13px; color: var(--grey); }

/* ---------- Timer bar ---------- */
.timer {
  position: sticky; top: 0; z-index: 5; background: var(--white);
  display: flex; gap: 8px; align-items: center; padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.timer input { flex: 1; min-width: 0; }
.timer .clock { font: 500 20px/1 var(--dense); font-variant-numeric: tabular-nums; color: var(--blue); min-width: 84px; text-align: right; }
.timer.running { background: var(--tint); margin: 0 -16px; padding: 12px 16px; }

/* ---------- Controls ---------- */
input[type=text], input[type=search], input[type=time], input[type=date], input[type=email] {
  height: 44px; padding: 0 12px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--white); outline: none;
}
input:focus { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue); }
.btn {
  height: 44px; padding: 0 16px; border-radius: 4px; border: 1px solid var(--blue);
  background: var(--blue); color: var(--white); font-weight: 500; white-space: nowrap;
}
.btn.secondary { background: var(--white); color: var(--blue); }
.btn.ghost { background: none; border-color: transparent; color: var(--slate); padding: 0 8px; }
.btn.stop { background: var(--deep); border-color: var(--deep); }
.icon-btn {
  width: 36px; height: 36px; border: 1px solid transparent; border-radius: 4px;
  background: none; color: var(--slate); display: inline-grid; place-items: center; flex: none;
}
.icon-btn:hover { border-color: var(--border); color: var(--blue); }
.icon-btn svg { width: 18px; height: 18px; }

/* ---------- Tabs ---------- */
nav.tabs { display: flex; gap: 24px; padding: 16px 0 0; border-bottom: 1px solid var(--border); }
nav.tabs button {
  background: none; border: 0; padding: 8px 0 12px; font-weight: 500; color: var(--slate);
  border-bottom: 3px solid transparent; margin-bottom: -1px;
}
nav.tabs button.on { color: var(--blue); border-bottom-color: var(--blue); }

@media (max-width: 640px) {
  nav.tabs {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; background: var(--white);
    border-top: 1px solid var(--border); border-bottom: 0; padding: 0;
    height: var(--nav-h); gap: 0; padding-bottom: env(safe-area-inset-bottom);
  }
  nav.tabs button { flex: 1; border-bottom: 0; border-top: 3px solid transparent; padding: 8px 0; margin: 0; }
  nav.tabs button.on { border-top-color: var(--blue); }
  .sync-note { display: none; }
  .timer .clock { font-size: 17px; min-width: 70px; }
}

/* ---------- Quick add ---------- */
.quick { position: relative; padding: 16px 0 8px; }
.quick input { width: 100%; }
.quick .hint { font-size: 13px; color: var(--grey); margin-top: 4px; }
.quick .hint code { font: 500 12px var(--dense); color: var(--slate); background: var(--surface); padding: 1px 4px; }
.suggest {
  position: absolute; left: 0; right: 0; top: 60px; z-index: 6; background: var(--white);
  border: 1px solid var(--border); border-top: 3px solid var(--blue); margin: 0; padding: 0; list-style: none;
}
.suggest li { padding: 8px 12px; cursor: pointer; font-size: 15px; }
.suggest li.on, .suggest li:hover { background: var(--tint); }
.suggest .k { font: 400 12px var(--dense); color: var(--grey); margin-left: 8px; text-transform: uppercase; letter-spacing: 0.03em; }

/* ---------- Lists ---------- */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin: 24px 0 4px; padding-bottom: 4px; border-bottom: 1px solid var(--border);
}
.section-head h2 { margin: 0; font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.03em; color: var(--slate); }
.section-head .sum { font: 400 13px var(--dense); color: var(--grey); }
ul.rows { list-style: none; margin: 0; padding: 0; }
.row {
  display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border);
}
.row .main { flex: 1; min-width: 0; }
.row .title { font-size: 15px; overflow-wrap: anywhere; }
.row .meta { font: 400 13px/1.4 var(--dense); color: var(--grey); }
.row .dur { font: 400 14px var(--dense); font-variant-numeric: tabular-nums; color: var(--ink); white-space: nowrap; }
.row.done .title { color: var(--grey); text-decoration: line-through; }
.row.live { background: var(--tint); }
.row .acts { display: flex; gap: 2px; }
.check {
  width: 22px; height: 22px; flex: none; border: 1.5px solid var(--slate); border-radius: 4px; background: var(--white);
  display: grid; place-items: center; padding: 0;
}
.check.on { background: var(--blue); border-color: var(--blue); }
.check.on::after { content: ''; width: 10px; height: 6px; border: 2px solid var(--white); border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px,-1px); }
.tag { font: 400 11px var(--dense); text-transform: uppercase; letter-spacing: 0.03em; color: var(--blue); border: 1px solid var(--tint); background: var(--tint); padding: 0 4px; margin-right: 4px; }
.indent-1 { padding-left: 24px; }
.indent-2 { padding-left: 48px; }

.toolbar { display: flex; gap: 8px; align-items: center; padding: 16px 0 0; flex-wrap: wrap; }
.toolbar input[type=search] { flex: 1; min-width: 180px; }
.toolbar label { font-size: 14px; color: var(--slate); display: flex; gap: 6px; align-items: center; }
.week-nav { display: flex; align-items: center; gap: 8px; padding: 16px 0 0; }
.week-nav strong { font-weight: 500; min-width: 150px; text-align: center; }

.empty { color: var(--grey); font-size: 14px; padding: 16px 0; }

/* ---------- Log editing ---------- */
.edit { display: grid; grid-template-columns: 1fr 110px 110px; gap: 8px; padding: 8px 0 12px; border-bottom: 1px solid var(--border); }
.edit .full { grid-column: 1 / -1; }
.edit .bar { grid-column: 1 / -1; display: flex; gap: 8px; justify-content: flex-end; }
@media (max-width: 640px) { .edit { grid-template-columns: 1fr 1fr; } .edit input[name=description], .edit input[name=date] { grid-column: 1 / -1; } }

/* ---------- Panels ---------- */
.panel { padding: 24px 0; }
.panel h2 { font-size: 21px; font-weight: 600; color: var(--blue); margin: 0 0 8px; }
.panel p { margin: 0 0 16px; color: var(--ink); max-width: 60ch; }
.panel .lead { color: var(--slate); font-weight: 300; font-size: 18px; }
.bookmarklet {
  display: inline-block; padding: 10px 16px; border: 1px dashed var(--blue); color: var(--blue);
  text-decoration: none; font-weight: 500; border-radius: 4px; background: var(--tint);
}
ol.steps { padding-left: 20px; max-width: 60ch; }
ol.steps li { margin-bottom: 8px; }

.login { max-width: 420px; margin: 15vh auto 0; padding: 0 16px; }
.login h1 { font-size: 44px; line-height: 1.1; letter-spacing: -0.01em; margin: 0; color: var(--blue); font-weight: 600; }
.login h1 span { display: block; font-weight: 300; color: var(--slate); font-size: 30px; }
.login hr { border: 0; border-top: 3px solid var(--blue); margin: 16px 0 24px; }
.login form { display: flex; flex-direction: column; gap: 12px; }

.toast {
  position: fixed; left: 50%; bottom: calc(var(--nav-h) + 16px); transform: translateX(-50%);
  background: var(--deep); color: var(--white); padding: 10px 16px; border-radius: 4px; font-size: 14px;
  z-index: 20; max-width: calc(100% - 32px);
}

.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 4px; overflow: hidden; }
.seg button { background: var(--white); border: 0; padding: 8px 16px; font-weight: 500; color: var(--slate); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--blue); color: var(--white); }
.fold svg { transition: transform .15s; }
.fold.open svg { transform: rotate(90deg); }
.row.overdue .meta { color: var(--neg); }
.row.overdue .meta::before { content: 'Overdue  ·  '; font-weight: 500; }