:root {
  --white: #ffffff;
  --bg: #f7f7f7;
  --gray-100: #f0f0f0;
  --gray-200: #e4e4e4;
  --gray-400: #b5b5b5;
  --gray-600: #7a7a7a;
  --ink: #1c1c1c;
  --black: #111111;
  --danger: #b3413d;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Heebo', Arial, sans-serif;
  min-height: 100vh;
}

/* ---------- Nav ---------- */
.topnav {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topnav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray-600);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.nav-links a:hover { background: var(--gray-100); }
.nav-links a.active { background: var(--black); color: var(--white); }

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    inset-inline-start: 0;
    top: 100%;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 8px 18px 14px;
    border-bottom: 1px solid var(--gray-200);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
}

/* ---------- Layout ---------- */
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 22px 18px 80px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

h1.page-title {
  font-size: 1.4rem;
  margin: 4px 0 0;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 10px;
  flex-wrap: wrap;
}

.section-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: var(--gray-100); }
.btn.primary { background: var(--black); color: var(--white); border-color: var(--black); }
.btn.primary:hover { background: #333; }
.btn.small { padding: 4px 10px; font-size: 0.78rem; }
.btn.danger { color: var(--danger); border-color: #eccac8; }
.btn.icon { padding: 6px 9px; }

/* ---------- Week table ---------- */
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
}

.day-col {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 10px;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.day-col.today { background: #ececec; box-shadow: inset 0 0 0 2px var(--black); }

.day-col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gray-600);
}

.day-col-head .add-btn {
  cursor: pointer;
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--ink);
  line-height: 1;
}

.day-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 30px;
  flex: 1;
}

.task-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 8px 9px;
  font-size: 0.83rem;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  cursor: grab;
}

.task-card.done { opacity: 0.5; }
.task-card.done .task-text { text-decoration: line-through; }
.task-card input[type="checkbox"] { margin-top: 2px; accent-color: var(--black); flex-shrink: 0; }
.task-card .task-text { flex: 1; word-break: break-word; }
.task-card .archive-x {
  border: none;
  background: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  padding: 0;
}
.task-card .archive-x:hover { color: var(--danger); }

.sortable-ghost { opacity: 0.3; }

@media (max-width: 780px) {
  .week-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 440px) {
  .week-grid { grid-template-columns: 1fr; }
}

/* ---------- Generic list (todo / shopping) ---------- */
.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  background: var(--white);
}

.list-item input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--black); }
.list-item .item-text { flex: 1; font-size: 0.94rem; }
.list-item.done .item-text { text-decoration: line-through; color: var(--gray-400); }

.add-row {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}
.add-row input[type="text"], .add-row input[type="number"], .add-row select, .add-row input[type="date"] {
  flex: 1;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  font-family: inherit;
  font-size: 0.9rem;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal h3 { margin: 0; font-size: 1.05rem; }
.modal input[type="text"], .modal select, .modal input[type="date"], .modal input[type="number"], .modal textarea {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  font-family: inherit;
  font-size: 0.92rem;
  width: 100%;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

/* ---------- Calendar ---------- */
.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-top: 12px;
}
.cal-dow {
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-600);
  font-weight: 700;
  padding-bottom: 4px;
}
.cal-cell {
  background: var(--gray-100);
  border-radius: 8px;
  min-height: 74px;
  padding: 6px;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.cal-cell.other-month { opacity: 0.35; }
.cal-cell.today { box-shadow: inset 0 0 0 2px var(--black); }
.cal-cell .cal-date { font-weight: 700; }
.cal-event {
  background: var(--white);
  border-radius: 5px;
  padding: 2px 5px;
  font-size: 0.68rem;
  border: 1px solid var(--gray-200);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cal-event.birthday { border-color: #e0c8a0; background: #fbf2e2; }

.events-list-below { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }

/* ---------- Budget ---------- */
.budget-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.summary-box {
  background: var(--gray-100);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.summary-box .label { font-size: 0.78rem; color: var(--gray-600); }
.summary-box .value { font-size: 1.3rem; font-weight: 700; margin-top: 4px; }
.summary-box.income .value { color: #2f7a4d; }
.summary-box.expense .value { color: var(--danger); }

table.budget-table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 0.88rem; }
table.budget-table th, table.budget-table td { padding: 8px 6px; text-align: right; border-bottom: 1px solid var(--gray-200); }
table.budget-table th { color: var(--gray-600); font-weight: 600; font-size: 0.78rem; }
.tag { padding: 2px 9px; border-radius: 999px; font-size: 0.72rem; }
.tag.income { background: #e6f4ea; color: #2f7a4d; }
.tag.expense { background: #fbeceb; color: var(--danger); }

/* ---------- Misc ---------- */
.empty-state { text-align: center; color: var(--gray-600); padding: 20px 0; font-size: 0.88rem; }

.global-status {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--black);
  color: var(--white);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  z-index: 100;
}
.global-status.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.global-status.error { background: var(--danger); }

.archive-tabs { display: flex; gap: 8px; flex-wrap: wrap; }