:root {
  --bg: #0e0f13;
  --bg-elevated: #16181d;
  --bg-card: #1c1f26;
  --border: #2a2d35;
  --text: #e7e9ec;
  --text-dim: #8a8f98;
  --accent: #5b9dff;
  --danger: #ff5c5c;
  --warning: #ffb020;
  --critical: #ff8a3d;
  --overdue: #ff5c5c;
  --done: #3ecf8e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  -webkit-tap-highlight-color: transparent;
}

#app { min-height: 100vh; padding-bottom: 80px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  padding: 12px 14px 0;
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; margin: 0 0 8px; }

.tabs { display: flex; gap: 4px; }
.tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 10px 4px;
  font-size: 13px;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

main { padding: 10px 12px; }
.view { display: none; }
.view.active { display: block; }

.date-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.date-label { font-weight: 600; font-size: 14px; }
.icon-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  width: 32px;
  height: 32px;
  font-size: 16px;
  cursor: pointer;
}

.no-time-zone {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.no-time-zone:empty { display: none; }

.timeline { position: relative; }
.hour-row {
  display: flex;
  border-top: 1px solid var(--border);
  min-height: 44px;
}
.hour-row:last-child { border-bottom: 1px solid var(--border); }
.hour-label {
  width: 44px;
  flex-shrink: 0;
  color: var(--text-dim);
  font-size: 11px;
  padding-top: 2px;
}
.hour-cards { flex: 1; display: flex; flex-direction: column; gap: 4px; padding: 2px 0; }

.week-grid {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
}
.week-day {
  flex: 0 0 78%;
  max-width: 300px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  scroll-snap-align: start;
}
.week-grid { scroll-snap-type: x proximity; }
.week-day-header { font-size: 13px; font-weight: 600; margin-bottom: 6px; display: flex; justify-content: space-between; }
.week-day-header .wd-today { color: var(--accent); }
.week-day .no-time-zone { margin-bottom: 6px; }
.week-day-cards { display: flex; flex-direction: column; gap: 6px; }
.week-empty { color: var(--text-dim); font-size: 12px; padding: 8px 0; text-align: center; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}
.card-title { font-size: 13px; font-weight: 500; }
.card-meta { display: flex; gap: 8px; margin-top: 4px; font-size: 11px; color: var(--text-dim); flex-wrap: wrap; align-items: center; }
.card-time { color: var(--text-dim); }
.badge { border-radius: 5px; padding: 1px 6px; font-size: 10px; font-weight: 600; }
.badge-priority-1 { background: #23262e; color: var(--text-dim); }
.badge-priority-2 { background: #23262e; color: var(--text); }
.badge-priority-3 { background: #3a2a15; color: var(--warning); }
.badge-priority-4 { background: #3a1818; color: var(--danger); }
.streak-badge { color: var(--warning); }
.progress-badge { color: var(--text-dim); }

.card.urgency-overdue { border-left-color: var(--overdue); }
.card.urgency-critical { border-left-color: var(--critical); }
.card.urgency-warning { border-left-color: var(--warning); }
.card.done-today, .card.status-done { opacity: 0.55; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 10px;
  font-size: 12px;
}

.board-switch {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  margin-bottom: 10px;
}
.board-chip {
  flex-shrink: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 16px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
}
.board-chip.active { color: var(--accent); border-color: var(--accent); background: #142235; }

.board { display: flex; flex-direction: column; gap: 14px; }
.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.column-cards { display: flex; flex-direction: column; gap: 6px; min-height: 8px; }
.add-status-btn {
  background: none;
  border: 1px dashed var(--border);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 8px;
  width: 100%;
  font-size: 12px;
  margin-top: 8px;
  cursor: pointer;
}

.fab {
  position: fixed;
  right: 18px;
  bottom: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 26px;
  border: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  cursor: pointer;
  z-index: 20;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  z-index: 30;
}
.modal.hidden { display: none; }
.modal-content {
  background: var(--bg-elevated);
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  border-radius: 16px 16px 0 0;
  padding: 16px;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.modal-header h2 { font-size: 16px; margin: 0; }

label { display: block; font-size: 12px; color: var(--text-dim); margin: 10px 0 4px; }
.checkbox-label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); margin-top: 12px; }
.checkbox-label input { width: 16px; height: 16px; }

input[type="text"], input[type="url"], input[type="date"], input[type="time"], input[type="datetime-local"], input[type="file"], textarea, select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 14px;
}
textarea { resize: vertical; font-family: inherit; }

.row { display: flex; gap: 8px; }
.row .col { flex: 1; }
.row input { flex: 1; }

.weekday-picker { display: flex; gap: 4px; margin-top: 6px; flex-wrap: wrap; }
.weekday-chip {
  flex: 1;
  min-width: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 8px 0;
  font-size: 12px;
  cursor: pointer;
}
.weekday-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.streak-display {
  margin-top: 10px;
  font-size: 13px;
  color: var(--warning);
  background: #1f1808;
  border-radius: 8px;
  padding: 8px 10px;
}

.subtask-list { display: flex; flex-direction: column; gap: 6px; }
.subtask-row { display: flex; align-items: center; gap: 8px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; }
.subtask-row input[type="checkbox"] { width: 16px; height: 16px; flex-shrink: 0; }
.subtask-row .subtask-title { flex: 1; font-size: 13px; }
.subtask-row .subtask-title.done { text-decoration: line-through; color: var(--text-dim); }
.subtask-remove { background: none; border: none; color: var(--text-dim); font-size: 15px; cursor: pointer; }

.chip-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.chip-list:empty { margin: 0; }
.chip-remove { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 13px; }
.chip a { color: var(--accent); text-decoration: none; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.modal-actions { display: flex; align-items: center; margin-top: 16px; gap: 8px; }
.spacer { flex: 1; }
.primary-btn, .secondary-btn, .danger-btn {
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
}
.primary-btn { background: var(--accent); color: #fff; }
.secondary-btn { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); }
.danger-btn { background: #2a1414; color: var(--danger); }

.hidden { display: none !important; }