:root {
  --paper: #F7F5F0;
  --ink: #1E2A38;
  --ink-soft: #4A5A6A;
  --teal: #2F8F82;
  --teal-dark: #1F6359;
  --coral: #E2725B;
  --line: #DEDACC;
  --card-bg: #FFFFFF;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  padding-bottom: 2rem;
}

.hidden { display: none !important; }

.topbar {
  background: var(--ink);
  padding: env(safe-area-inset-top, 0) 0 0 0;
}
.topbar-inner {
  max-width: 480px;
  margin: 0 auto;
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  color: var(--paper);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ghost-btn {
  background: transparent;
  border: 1px solid rgba(247,245,240,0.4);
  color: var(--paper);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}
.user-chip {
  color: var(--paper);
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
}

main#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 1rem 1rem 0;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem;
  margin-bottom: 1rem;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.card-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.primary-btn {
  display: block;
  text-align: center;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  margin-top: 0.6rem;
}
.primary-btn:active { background: var(--teal-dark); }

.icon-btn {
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 1rem;
  line-height: 1;
}

.week-list { display: flex; flex-direction: column; gap: 0.6rem; }

.day-group { margin-top: 0.3rem; }
.day-group:first-child { margin-top: 0; }
.day-heading {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal-dark);
  margin-bottom: 0.3rem;
}
.event-row {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.35rem 0;
  border-top: 1px solid var(--line);
}
.event-row:first-of-type { border-top: none; }
.event-time {
  font-size: 0.78rem;
  color: var(--ink-soft);
  min-width: 58px;
  font-variant-numeric: tabular-nums;
}
.event-title { font-size: 0.92rem; font-weight: 600; }

.add-todo-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
}
.add-todo-form input {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font-size: 0.95rem;
  background: var(--paper);
}
.add-todo-form input:focus { outline: 2px solid var(--teal); }

.todo-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.todo-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.1rem;
  border-top: 1px solid var(--line);
}
.todo-list li:first-child { border-top: none; }
.todo-item input[type="checkbox"] {
  width: 20px; height: 20px;
  accent-color: var(--teal);
  flex-shrink: 0;
}
.todo-item span { font-size: 0.95rem; }
.todo-item.completed span { color: var(--ink-soft); text-decoration: line-through; }

.empty-state {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin: 0.2rem 0;
}

.status-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--coral);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  max-width: 90%;
  text-align: center;
}