/* EZ Tracker — white notebook theme with blue accent */
:root {
  --ink: #24303c;
  --ink-soft: #5c6b7a;
  --ink-faint: #93a1b0;
  --paper: #fdfdfc;
  --grid: #e7edf4;
  --rule: #e3eaf2;
  --card: #ffffff;
  --border: #e4e9ef;
  --shadow: 0 1px 2px rgba(36, 48, 60, .05), 0 6px 18px rgba(36, 48, 60, .06);
  --blue: #2563eb;
  --blue-dark: #1747b6;
  --blue-soft: #e8f0fe;
  --green: #2e9e5b;
  --green-soft: #e5f5ec;
  --amber: #e0a800;
  --amber-soft: #fdf6e3;
  --red: #dc3b30;
  --red-soft: #fdeceb;
  --radius: 14px;
  font-size: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  min-height: 100vh;
  padding-bottom: 70px;
}

h1 { font-size: 1.15rem; font-weight: 800; letter-spacing: -.02em; }
h2 {
  font-family: 'Caveat', cursive;
  font-size: 1.55rem;
  font-weight: 700;
  margin-bottom: .6rem;
}
.hidden { display: none !important; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.4rem;
  padding: .8rem 1.6rem;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, #4d8cf5, #1747b6);
  display: grid; place-items: center;
  box-shadow: 0 4px 10px rgba(37, 99, 235, .35);
}
.tagline { font-family: 'Caveat', cursive; font-size: 1rem; color: var(--ink-faint); line-height: 1; }

.tabs { display: flex; gap: .25rem; flex: 1; flex-wrap: wrap; }
.tab {
  border: none; background: none; cursor: pointer;
  font: inherit; font-weight: 600; color: var(--ink-soft);
  padding: .5rem .9rem; border-radius: 10px;
  display: inline-flex; align-items: center; gap: .4rem;
  transition: .15s;
}
.tab:hover { background: var(--blue-soft); color: var(--blue); }
.tab.active { background: var(--ink); color: #fff; }
.tab .n {
  font-size: .7rem; font-weight: 800;
  background: var(--blue-soft); color: var(--blue);
  border-radius: 999px; padding: .05rem .4rem;
}
.tab.active .n { background: rgba(255,255,255,.22); color: #fff; }
.tab .n.zero { opacity: .45; }

/* ---------- inputs & buttons ---------- */
select, input, textarea {
  font: inherit; color: var(--ink);
  border: 1px solid var(--border); border-radius: 10px;
  padding: .45rem .7rem; background: #fff;
}
select:focus, input:focus, textarea:focus { outline: 2px solid var(--blue-soft); border-color: var(--blue); }

.btn {
  font: inherit; font-weight: 700; cursor: pointer;
  border: 1px solid var(--border); border-radius: 10px;
  padding: .5rem .9rem; background: #fff; color: var(--ink-soft);
  transition: .15s; text-decoration: none; display: inline-block;
}
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn-blue { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 3px 8px rgba(37, 99, 235, .3); }
.btn-blue:hover { background: var(--blue-dark); color: #fff; }
.btn-ghost { border: none; background: none; box-shadow: none; padding: .3rem .45rem; color: var(--ink-faint); }
.btn-ghost:hover { color: var(--blue); }
.btn-sm { padding: .28rem .6rem; font-size: .82rem; border-radius: 8px; }
.btn:disabled { opacity: .5; cursor: wait; }

/* ---------- layout ---------- */
main { max-width: 980px; margin: 0 auto; padding: 1.2rem 1.6rem 0; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.3rem;
}
.row { display: flex; align-items: center; gap: .6rem; }
.row.wrap { flex-wrap: wrap; }
.grow { flex: 1; min-width: 200px; }
.hint { font-size: .78rem; color: var(--ink-faint); margin-top: .55rem; font-style: italic; }
.muted { color: var(--ink-faint); }
.empty {
  text-align: center; color: var(--ink-faint); padding: 2.4rem 1rem;
  font-family: 'Caveat', cursive; font-size: 1.35rem;
}

/* ---------- section hero ---------- */
.sec-hero {
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, #fff 0%, #f2f6fe 100%);
  border-color: #d9e5fb;
  display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap;
}
.sec-icon { font-size: 2.1rem; line-height: 1; }
.sec-name { font-family: 'Caveat', cursive; font-size: 1.9rem; line-height: 1.1; }
.sec-sub { color: var(--ink-soft); font-size: .86rem; }
.sec-stats { display: flex; gap: 1.4rem; margin-left: auto; }
.stat-big { font-size: 1.6rem; font-weight: 800; letter-spacing: -.02em; }
.stat-label { font-size: .68rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-faint); }

/* ---------- add + tools ---------- */
.add-card { margin-bottom: 1rem; }
.date-field { font-size: .78rem; font-weight: 700; color: var(--ink-soft); display: flex; align-items: center; gap: .35rem; }
.date-field input { padding: .35rem .5rem; font-size: .82rem; }
.daily-toggle {
  font-size: .84rem; font-weight: 700; color: var(--ink-soft);
  display: flex; align-items: center; gap: .35rem; cursor: pointer;
  border: 1px solid var(--border); border-radius: 10px; padding: .4rem .65rem;
}
.daily-toggle input { width: 17px; height: 17px; accent-color: var(--blue); cursor: pointer; }

.tools { margin-bottom: .9rem; }
.filters { display: flex; gap: .35rem; }
.fchip {
  font: inherit; font-size: .84rem; font-weight: 700; cursor: pointer;
  border: 1px solid var(--border); background: #fff; color: var(--ink-soft);
  border-radius: 999px; padding: .35rem .85rem; transition: .15s;
}
.fchip:hover { border-color: var(--blue); color: var(--blue); }
.fchip.on { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 3px 8px rgba(37, 99, 235, .3); }

/* ---------- task cards ---------- */
.task { margin-bottom: .9rem; transition: .15s; }
.task:hover { border-color: #c9daf8; }
.task.done { background: #fcfdff; border-color: #dce6f5; }
.task.overdue { border-color: #f3c9c5; }

.task-top { display: flex; align-items: flex-start; gap: .7rem; }
.task-check { width: 21px; height: 21px; accent-color: var(--blue); cursor: pointer; margin-top: .15rem; flex: none; }
.task-main { flex: 1; min-width: 0; }
.task-title { font-weight: 800; font-size: 1.02rem; cursor: text; word-break: break-word; }
.task.done .task-title { text-decoration: line-through; color: var(--ink-faint); }
.task-meta { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin-top: .3rem; font-size: .76rem; color: var(--ink-faint); }
.task-note { color: var(--ink-soft); font-size: .86rem; margin-top: .45rem; white-space: pre-wrap; }
.task-actions { display: flex; gap: .15rem; flex: none; }

.chip {
  display: inline-flex; align-items: center; gap: .25rem;
  font-size: .72rem; font-weight: 700;
  padding: .16rem .5rem; border-radius: 999px;
  background: #eef1f5; color: var(--ink-soft);
}
.chip.blue { background: var(--blue-soft); color: var(--blue); }
.chip.green { background: var(--green-soft); color: var(--green); }
.chip.amber { background: var(--amber-soft); color: #9a7400; }
.chip.red { background: var(--red-soft); color: var(--red); }

.pbar { height: 7px; border-radius: 6px; background: #eef1f5; overflow: hidden; margin-top: .6rem; }
.pbar > i { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, #4d8cf5, #1747b6); transition: width .3s; }
.pbar.full > i { background: linear-gradient(90deg, #4bcf87, #2e9e5b); }

/* ---------- subtasks ---------- */
.subs { margin: .7rem 0 0 1.9rem; border-top: 1px dashed var(--rule); padding-top: .5rem; }
.sub-row { display: flex; align-items: center; gap: .5rem; padding: .25rem 0; }
.sub-row input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--blue); cursor: pointer; flex: none; }
.sub-text { flex: 1; font-size: .9rem; font-weight: 600; cursor: text; word-break: break-word; }
.sub-row.done .sub-text { text-decoration: line-through; color: var(--ink-faint); }
.sub-date { font-size: .7rem; color: var(--ink-faint); flex: none; }
.sub-date.over { color: var(--red); font-weight: 800; }
.sub-x { opacity: 0; transition: .15s; }
.sub-row:hover .sub-x { opacity: 1; }

.sub-add { display: flex; gap: .4rem; margin-top: .45rem; }
.sub-add input[type="text"] { flex: 1; font-size: .86rem; padding: .35rem .6rem; }
.sub-add input[type="date"] { font-size: .78rem; padding: .35rem .45rem; width: 140px; }

/* ---------- streak dots ---------- */
.streak-dots { display: inline-flex; gap: 2px; vertical-align: -2px; margin-left: .15rem; }
.streak-dots i { width: 8px; height: 8px; border-radius: 2px; background: #e4e9ef; display: block; }
.streak-dots i.on { background: var(--blue); }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; font-weight: 600; font-size: .88rem;
  padding: .6rem 1.1rem; border-radius: 12px; z-index: 200;
  box-shadow: 0 8px 24px rgba(36, 48, 60, .3);
}
.toast.err { background: var(--red); }

/* ---------- sign-in gate ---------- */
.gate {
  position: fixed; inset: 0; z-index: 300;
  display: grid; place-items: center; padding: 1.5rem;
  background: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
}
.gate-card { width: min(400px, 100%); text-align: center; padding: 2rem 1.6rem; }
.brand-mark.big { width: 68px; height: 68px; border-radius: 20px; margin: 0 auto .9rem; }
.gate-title { font-size: 1.5rem; letter-spacing: -.02em; }
.gate-tag { font-family: 'Caveat', cursive; font-size: 1.25rem; color: var(--ink-faint); margin-bottom: 1.1rem; }
.gate-copy { font-size: .88rem; color: var(--ink-soft); line-height: 1.5; margin-bottom: 1.3rem; }
.btn-google {
  width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .75rem 1rem; font-size: .95rem; color: var(--ink); border-color: #d7dee7;
}
.btn-google:hover { border-color: var(--blue); color: var(--blue); }
.btn-ghost-link {
  width: 100%; margin-top: .6rem; border: none; background: none; box-shadow: none;
  font-size: .84rem; color: var(--ink-faint); font-weight: 600; cursor: pointer; padding: .5rem;
}
.btn-ghost-link:hover { color: var(--blue); }
.gate-form { display: flex; flex-direction: column; gap: .5rem; }
.gate-form input { padding: .7rem .8rem; font-size: .95rem; }
.btn-wide { width: 100%; padding: .7rem 1rem; font-size: .95rem; }
.gate-links {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  margin-top: .6rem; font-size: .8rem;
}
.gate-links .dot { color: var(--ink-faint); }
.linkish {
  font: inherit; font-size: .8rem; font-weight: 700; cursor: pointer;
  border: none; background: none; color: var(--ink-soft); padding: .2rem;
}
.linkish:hover { color: var(--blue); text-decoration: underline; }
.gate-or {
  display: flex; align-items: center; gap: .7rem;
  margin: 1rem 0 .9rem; color: var(--ink-faint); font-size: .76rem; font-weight: 700;
}
.gate-or::before, .gate-or::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.gate-err {
  margin-top: 1rem; font-size: .82rem; line-height: 1.45;
  background: var(--red-soft); color: var(--red);
  border-radius: 10px; padding: .7rem .85rem; text-align: left;
}
.gate-ok {
  margin-top: 1rem; font-size: .82rem; line-height: 1.45;
  background: var(--green-soft); color: var(--green);
  border-radius: 10px; padding: .7rem .85rem; text-align: left;
}

/* ---------- cloud status pill ---------- */
.topbar-right { margin-left: auto; }
.cloudstat {
  font-size: .72rem; font-weight: 800; letter-spacing: .01em;
  padding: .25rem .6rem; border-radius: 999px; white-space: nowrap;
}
.cloudstat.ok { background: var(--green-soft); color: var(--green); }
.cloudstat.sync { background: var(--amber-soft); color: #9a7400; }
.cloudstat.off { background: #eef1f5; color: var(--ink-faint); }

/* ---------- modal / menu ---------- */
.modal-bg {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(36, 48, 60, .35); backdrop-filter: blur(3px);
  display: grid; place-items: center; padding: 1rem;
}
.modal { width: min(360px, 100%); max-height: 88vh; overflow: auto; }
.menu-list { display: flex; flex-direction: column; gap: .3rem; margin-top: .4rem; }
.menu-item {
  font: inherit; font-weight: 600; text-align: left; cursor: pointer;
  border: none; background: none; color: var(--ink);
  padding: .7rem .6rem; border-radius: 10px; transition: .15s;
}
.menu-item:hover { background: var(--blue-soft); color: var(--blue); }

@media (max-width: 720px) {
  .topbar {
    gap: .6rem; padding: .7rem 1rem;
    padding-top: calc(.7rem + env(safe-area-inset-top));
  }
  main { padding: 1rem 1rem 0; }
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
  .sec-stats { margin-left: 0; gap: 1.1rem; }
  .sec-hero { gap: .8rem; }
  .subs { margin-left: .5rem; }
  .tagline { display: none; }

  /* Tab strip gets its own full-width row and scrolls sideways.
     flex-basis must be 100% — the base `flex: 1` sets basis 0, which
     beats `width` on a flex item and collapses the strip to nothing. */
  .tabs {
    order: 3; flex: 0 0 100%; max-width: 100%;
    overflow-x: auto; overflow-y: hidden;
    flex-wrap: nowrap; gap: .3rem;
    margin-top: .15rem; padding-bottom: .15rem;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab {
    white-space: nowrap; flex: 0 0 auto;
    scroll-snap-align: start;
    padding: .55rem .75rem; font-size: .88rem;
  }

  /* Actions drop to their own row so the title gets the full card width.
     The basis must leave room for the checkbox AND its gap, or the title
     wraps below and strands the checkbox on a line of its own. */
  .task-top { flex-wrap: wrap; }
  .task-main { flex: 1 1 calc(100% - 2.6rem); }
  .task-actions {
    flex: 0 0 100%; justify-content: flex-end; gap: 0;
    margin-top: .5rem; padding-top: .35rem;
    border-top: 1px dashed var(--rule);
  }
  .task-actions .btn-ghost { min-width: 44px; height: 40px; padding: 0; font-size: 1.05rem; }
  .task-title { font-size: 1rem; line-height: 1.35; }

  /* Add-card in two rows: title + button, then due + daily */
  .add-card { padding: .9rem 1rem; }
  .add-card .row { row-gap: .5rem; }
  #newTitle { flex: 1 1 58%; min-width: 0; order: 1; }
  #addTaskBtn { order: 2; flex: 0 0 auto; }
  .date-field { order: 3; }
  .daily-toggle { order: 4; }
  .add-card .hint { margin-top: .45rem; }

  /* thumb-friendly tap targets */
  .task-check { width: 24px; height: 24px; }
  .sub-row input[type="checkbox"] { width: 22px; height: 22px; }
  /* Give the subtask text a floor so it wraps instead of being squeezed into
     a column. The ✕ leaves the flow and pins top-right, otherwise it gets
     bumped onto a line of its own once the text wraps. */
  .sub-row { padding: .4rem 2rem .4rem 0; flex-wrap: wrap; row-gap: .1rem; position: relative; }
  .sub-text { flex: 1 1 60%; line-height: 1.35; }
  .sub-date { margin-left: auto; }
  .sub-date ~ .sub-date { margin-left: .4rem; }
  .sub-x { position: absolute; right: -.35rem; top: .25rem; opacity: .5; }
  .sub-add { flex-wrap: wrap; }
  .sub-add input[type="text"] { flex: 1 1 100%; }
  .sub-add input[type="date"] { flex: 1 1 auto; width: auto; }
}