.todo-app {
  display: grid;
  gap: 1rem;
  max-width: 70rem;
  margin: 0 auto;
}

.todo-form,
.todo-item,
.todo-toolbar {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.75rem;
  padding: 1rem;
  background: var(--md-default-bg-color);
  box-shadow: var(--md-shadow-z1, none);
}

.todo-controls {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--md-default-bg-color);
  box-shadow: var(--md-shadow-z1, none);
}

.todo-controls > summary {
  cursor: pointer;
  font-weight: 600;
}

.todo-controls[open] .todo-toolbar {
  margin-top: 0.75rem;
  border: none;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.todo-row {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.todo-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  column-gap: 1rem;
}

.todo-row label,
.todo-toolbar label {
  font-weight: 600;
}

.todo-row input,
.todo-row select,
.todo-toolbar select {
  width: 100%;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  padding: 0.55rem 0.7rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
}

.todo-toolbar input[type="search"] {
  width: min(28rem, 100%);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  padding: 0.55rem 0.7rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
}

.todo-toolbar input[type="date"] {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  padding: 0.55rem 0.7rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
}

.todo-row textarea,
.todo-field textarea {
  width: 100%;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  padding: 0.55rem 0.7rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  font: inherit;
  resize: vertical;
}

.todo-weekdays {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
}

.todo-weekday {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  user-select: none;
}

.todo-help {
  margin: 0.35rem 0 0;
  opacity: 0.8;
  font-size: 0.9em;
}

.todo-row input:focus,
.todo-row select:focus,
.todo-toolbar select:focus {
  outline: none;
  border-color: var(--md-accent-fg-color);
  box-shadow: var(--md-shadow-z1, none);
}

.todo-row textarea:focus,
.todo-field textarea:focus,
.todo-field input:focus,
.todo-field select:focus {
  outline: none;
  border-color: var(--md-accent-fg-color);
}

.todo-toolbar input[type="search"]:focus {
  outline: none;
  border-color: var(--md-accent-fg-color);
}

.todo-form button,
.todo-toolbar button,
.todo-actions button {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.55rem;
  padding: 0.55rem 0.8rem;
  font: inherit;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  cursor: pointer;
}

.todo-form button:hover,
.todo-toolbar button:hover,
.todo-actions button:hover {
  border-color: var(--md-accent-fg-color);
}

.todo-actions button[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.todo-form button[type="submit"] {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}

.todo-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.todo-toolbar-group {
  display: flex;
  align-items: end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.todo-toolbar-group:first-child {
  margin-right: auto;
}

.todo-hidden {
  display: none;
}

.todo-sync {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.75rem;
  background: var(--md-default-bg-color);
  padding: 0.75rem 1rem;
}

.todo-sync > summary {
  cursor: pointer;
  font-weight: 600;
}

.todo-sync-body {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.75rem;
}

.todo-calendar-panel {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.75rem;
  background: var(--md-default-bg-color);
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
}

.todo-calendar-panel > summary {
  cursor: pointer;
  font-weight: 600;
}

.todo-calendar-panel-body {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.75rem;
}

.todo-sync-status {
  opacity: 0.85;
  align-self: center;
}

.todo-details {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.75rem;
  background: var(--md-default-bg-color);
  padding: 0.6rem 0.9rem;
  margin-top: 0.6rem;
}

.todo-calendar {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.75rem;
  background: var(--md-default-bg-color);
  padding: 0.6rem 0.9rem;
  margin-top: 0.6rem;
}

.todo-calendar > summary {
  cursor: pointer;
  font-weight: 600;
}

.todo-calendar-title {
  font-weight: 600;
}

.todo-cal-grid {
  margin-top: 0.6rem;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
}

.todo-cal-cell {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  min-height: 2.1rem;
  display: grid;
  place-items: center;
  background: var(--md-default-bg-color);
}

.todo-cal-head {
  font-weight: 700;
  opacity: 0.9;
  min-height: 1.9rem;
}

.todo-cal-blank {
  border-color: transparent;
  background: transparent;
}

.todo-cal-day.is-out {
  opacity: 0.35;
}

.todo-cal-day.is-planned {
  border-color: var(--md-default-fg-color--lighter);
}

.todo-cal-day.is-checked {
  border-color: var(--md-code-hl-string-color);
  color: var(--md-code-hl-string-color);
  font-weight: 700;
}

.todo-cal-day.is-extra {
  border-style: dashed;
}

.todo-cal-num {
  font-variant-numeric: tabular-nums;
}

.todo-details > summary {
  cursor: pointer;
  font-weight: 600;
}

.todo-kv--details {
  margin-top: 0.5rem;
}

/* Modal dialog */
.todo-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: min(48rem, calc(100vw - 2rem));
}

.todo-dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.todo-dialog-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.9rem;
  background: var(--md-default-bg-color);
  box-shadow: var(--md-shadow-z3, var(--md-shadow-z2, none));
  padding: 1rem;
}

.todo-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.todo-dialog-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.todo-dialog-close {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.6rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  cursor: pointer;
  line-height: 1;
  font-size: 1.2rem;
}

.todo-dialog-close:hover {
  border-color: var(--md-accent-fg-color);
}

.todo-sync-dialog-message {
  margin: 0 0 0.75rem;
  white-space: pre-wrap;
}

/* Fallback for browsers without <dialog> */
.todo-dialog.todo-dialog--open {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 999;
  background: rgba(0, 0, 0, 0.45);
}

.todo-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.todo-actions button {
  touch-action: manipulation;
}

.todo-list {
  display: grid;
  gap: 0.75rem;
}

.todo-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.todo-item-title {
  display: grid;
  gap: 0.15rem;
}

.todo-meta {
  font-size: 0.85em;
  opacity: 0.85;
}

.todo-item-header h3 {
  margin: 0;
}

.todo-kv {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.4rem 1rem;
  margin: 0.75rem 0 0.5rem;
}

.todo-kv > div {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.25rem 0;
  border-bottom: 1px dashed var(--md-default-fg-color--lightest);
}

.todo-kv > div > span:first-child {
  opacity: 0.75;
}

.todo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-size: 0.85em;
  white-space: nowrap;
  background: var(--md-code-bg-color, var(--md-default-bg-color));
}

.todo-badge[data-status="active"] {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}

/* Daily task: checked today (or checked on selected view date) */
.todo-badge[data-status="active"][data-checked="1"] {
  border-color: var(--md-code-hl-string-color, var(--md-accent-fg-color));
  color: var(--md-code-hl-string-color, var(--md-accent-fg-color));
}

.todo-badge[data-status="not_started"] {
  opacity: 0.85;
}

.todo-badge[data-status="completed"] {
  opacity: 0.9;
}

.todo-badge[data-status="overdue"],
.todo-badge[data-status="ended_failed"] {
  border-color: var(--md-default-fg-color--light);
  color: var(--md-default-fg-color--light);
}

.todo-item[data-status="overdue"],
.todo-item[data-status="ended_failed"] {
  border-left: 0.3rem solid var(--md-default-fg-color--light);
}

.todo-item[data-status="active"] {
  border-left: 0.3rem solid var(--md-accent-fg-color);
}

/* Daily task: checked today (or checked on selected view date) */
.todo-item[data-status="active"][data-checked="1"] {
  border-left-color: var(--md-code-hl-string-color, var(--md-accent-fg-color));
}

.todo-item[data-status="not_started"] {
  border-left: 0.3rem solid var(--md-default-fg-color--lightest);
}

.todo-item[data-status="completed"] {
  border-left: 0.3rem solid var(--md-default-fg-color--lightest);
}

.todo-edit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem 1rem;
  margin: 0.75rem 0;
}

.todo-field--full {
  grid-column: 1 / -1;
}

.todo-field {
  display: grid;
  gap: 0.35rem;
}

.todo-field input,
.todo-field select {
  width: 100%;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  padding: 0.55rem 0.7rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
}

.todo-item--editing {
  border-left: 0.3rem solid var(--md-accent-fg-color);
}

.todo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.todo-tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  font-size: 0.8em;
  background: var(--md-code-bg-color, var(--md-default-bg-color));
}

.todo-note {
  margin: 0.6rem 0 0;
  padding: 0.6rem 0.75rem;
  border-left: 0.25rem solid var(--md-default-fg-color--lightest);
  background: var(--md-code-bg-color, var(--md-default-bg-color));
  border-radius: 0.5rem;
}

.todo-empty {
  margin: 0;
  opacity: 0.8;
}