:root {
  --bg: #0d1117;
  --bg-soft: #11161d;
  --card: #161d27;
  --card-edge: #232d3b;
  --text: #e4e8ee;
  --text-dim: #8b96a5;
  --text-faint: #5d6878;
  --accent: #4c8dff;
  --danger: #e5534b;
  --warn: #d29922;
  --good: #3fb950;
  --info: #58a6ff;

  --cat-faith: #9d8cff;
  --cat-health: #3fb950;
  --cat-learn: #58a6ff;
  --cat-project: #d29922;
  --cat-career: #39c5cf;
  --cat-family: #ec6aa0;
  --cat-home: #c08a3e;
  --cat-review: #8b96a5;
  --cat-admin: #e5534b;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f5f8;
    --bg-soft: #eaeef3;
    --card: #ffffff;
    --card-edge: #dde3eb;
    --text: #1c2430;
    --text-dim: #5a6572;
    --text-faint: #8b96a5;
    --accent: #2266cc;
    --danger: #cf3f38;
    --warn: #a87815;
    --good: #2c8a43;
    --info: #2266cc;

    --cat-faith: #7a63e8;
    --cat-health: #2c8a43;
    --cat-learn: #2266cc;
    --cat-project: #a87815;
    --cat-career: #159aa5;
    --cat-family: #d14e86;
    --cat-home: #a06a28;
    --cat-review: #5a6572;
    --cat-admin: #cf3f38;
  }
}

* { box-sizing: border-box; }

html { color-scheme: dark light; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15.5px;
  line-height: 1.45;
  min-height: 100vh;
}

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--card-edge);
}

.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 16px; }

.tabs { display: flex; background: var(--bg-soft); border: 1px solid var(--card-edge); border-radius: 10px; padding: 3px; }

.tab {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 8px;
  cursor: pointer;
}

.tab.active { background: var(--accent); color: #fff; }
.tab:not(.active):hover { color: var(--text); }

/* ---------- Layout ---------- */

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

.footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 32px;
  color: var(--text-faint);
  font-size: 12.5px;
  text-align: center;
}

/* ---------- Cards ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 14px;
}

.card-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin: 0 0 10px;
}

/* ---------- Today header ---------- */

.day-header { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px; margin-bottom: 2px; }

.day-title { font-size: 24px; font-weight: 700; margin: 0; }

.day-sub { color: var(--text-dim); font-size: 13.5px; margin: 4px 0 0; }

.chip {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--card-edge);
  color: var(--text-dim);
  background: var(--bg-soft);
  white-space: nowrap;
}

.chip.free { color: var(--good); border-color: color-mix(in srgb, var(--good) 45%, var(--card-edge)); }

/* ---------- Progress ---------- */

.progress-row { display: flex; align-items: center; gap: 10px; margin-top: 12px; }

.progress-track { flex: 1; height: 7px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; }

.progress-fill { height: 100%; width: 0; background: var(--good); border-radius: 999px; transition: width 0.25s ease; }

.progress-label { font-size: 13px; font-weight: 650; color: var(--text-dim); min-width: 52px; text-align: right; }

.progress-label.all-done { color: var(--good); }

/* ---------- Deadline banners ---------- */

.deadline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
}

.deadline.hard { background: color-mix(in srgb, var(--danger) 14%, var(--card)); border: 1px solid color-mix(in srgb, var(--danger) 55%, transparent); color: var(--text); }
.deadline.info { background: color-mix(in srgb, var(--info) 12%, var(--card)); border: 1px solid color-mix(in srgb, var(--info) 45%, transparent); }

.deadline .when-pill {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.deadline.hard .when-pill { background: var(--danger); color: #fff; }
.deadline.info .when-pill { background: var(--info); color: #fff; }

.deadline.today-outline { outline: 2px solid var(--warn); }

/* ---------- Callout (decision box) ---------- */

.callout {
  border: 1px solid color-mix(in srgb, var(--warn) 55%, transparent);
  background: color-mix(in srgb, var(--warn) 10%, var(--card));
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 14px;
}

.callout h3 { margin: 0 0 8px; font-size: 15.5px; }
.callout p { margin: 0 0 12px; color: var(--text-dim); font-size: 14px; }

.callout-options { display: grid; gap: 8px; }

.callout-option {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13.5px;
}

.callout-option .opt-label { font-weight: 700; display: block; margin-bottom: 2px; }
.callout-option .opt-detail { color: var(--text-dim); }

/* ---------- Task list ---------- */

.task-list { display: grid; gap: 8px; }

.task {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--card-edge);
  border-radius: 12px;
  background: var(--bg-soft);
}

.task.conditional { border-style: dashed; opacity: 0.88; }
.task.done { opacity: 0.55; }
.task.done .task-title { text-decoration: line-through; text-decoration-color: var(--text-faint); }

.task-check {
  flex: none;
  width: 21px;
  height: 21px;
  margin-top: 2px;
  border-radius: 7px;
  border: 2px solid var(--text-faint);
  background: transparent;
  cursor: pointer;
  padding: 0;
  display: grid;
  place-items: center;
  color: transparent;
  font-size: 13px;
  line-height: 1;
  transition: all 0.12s ease;
}

.task-check:hover { border-color: var(--accent); }

.task.done .task-check { background: var(--good); border-color: var(--good); color: #fff; }

.task-body { flex: 1; min-width: 0; }

.task-top { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }

.task-emoji { flex: none; }

.task-title { font-weight: 620; font-size: 14.5px; }

.task-when { font-size: 11.5px; font-weight: 700; color: var(--text-faint); white-space: nowrap; }

.task-detail { color: var(--text-dim); font-size: 13px; margin-top: 3px; }

.tag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border-radius: 6px;
  color: #fff;
  white-space: nowrap;
}

.tag.hard { background: var(--danger); }
.tag.rerun { background: var(--warn); color: #1c1c1c; }
.tag.overdue { background: var(--danger); }
.tag.conditional { background: var(--bg-soft); color: var(--text-dim); border: 1px solid var(--card-edge); }

.cat-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 8px;
}

/* ---------- Sections ---------- */

.section-gap { margin-top: 20px; }

/* ---------- Week view ---------- */

.week-context { color: var(--text-dim); font-size: 14px; margin: 0; }

.week-day { padding: 0; overflow: hidden; }

.week-day summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  user-select: none;
}

.week-day summary::-webkit-details-marker { display: none; }
.week-day summary:hover { background: var(--bg-soft); }

.week-day.today-card { border-color: color-mix(in srgb, var(--accent) 60%, var(--card-edge)); }

.week-day-label { font-weight: 700; font-size: 15px; flex: 1; }

.week-day-count { font-size: 12.5px; font-weight: 650; color: var(--text-dim); }
.week-day-count.all-done { color: var(--good); }

.week-day-body { padding: 4px 14px 14px; border-top: 1px solid var(--card-edge); }
.week-day-body .task-list { padding-top: 10px; }

.week-day .callout { margin: 12px 2px 2px; }

.day-note { color: var(--text-dim); font-size: 13px; margin: 8px 2px 0; }

.risk-list { margin: 0; padding-left: 18px; color: var(--text-dim); font-size: 13.5px; }
.risk-list li { margin-bottom: 6px; }

.reminder-list { margin: 0; padding-left: 18px; color: var(--text-dim); font-size: 13.5px; }
.reminder-list li { margin-bottom: 6px; }

.looking-ahead { color: var(--text-dim); font-size: 13.5px; margin: 0; }

/* ---------- Notices ---------- */

.notice {
  border: 1px solid color-mix(in srgb, var(--warn) 50%, transparent);
  background: color-mix(in srgb, var(--warn) 10%, var(--card));
  border-radius: 14px;
  padding: 16px 18px;
  font-size: 14.5px;
}

.notice h3 { margin: 0 0 6px; font-size: 15.5px; }
.notice p { margin: 0; color: var(--text-dim); }

/* ---------- Buttons ---------- */

.btn {
  border: 1px solid var(--card-edge);
  background: var(--bg-soft);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 10px;
  cursor: pointer;
}

.btn:hover { border-color: var(--accent); }

/* ---------- Small screens ---------- */

@media (max-width: 480px) {
  .day-title { font-size: 20px; }
  .app { padding: 14px 10px 40px; }
  .card { padding: 14px; border-radius: 12px; }
}