/* Todo Page */
.todo-container {
  max-width: 720px;
  margin: 0 auto;
}

.todo-header {
  margin-bottom: 20px;
}

.todo-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.todo-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.todo-add-btn {
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 24px;
  box-shadow: var(--shadow);
  transition: all 0.25s;
}

.todo-add-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.todo-add-icon {
  font-size: 18px;
  font-weight: 700;
}

/* Sort bar */
.todo-sort-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.todo-sort-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-right: 4px;
  white-space: nowrap;
}

.todo-sort-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.todo-sort-btn:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

.todo-sort-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Todo list */
.todo-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Empty state */
.todo-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.todo-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.todo-empty p {
  font-size: 16px;
  margin-bottom: 8px;
}

.todo-empty-sub {
  font-size: 13px;
  color: var(--text-secondary);
  opacity: 0.7;
}

/* Todo card */
.todo-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all 0.2s;
  animation: todoSlideIn 0.3s ease;
}

@keyframes todoSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.todo-card:hover {
  box-shadow: var(--shadow-lg);
}

.todo-card-completed .todo-card-content {
  color: var(--text);
}

/* Checkbox */
.todo-card-left {
  padding-top: 2px;
  flex-shrink: 0;
}

.todo-checkbox-wrap {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  cursor: pointer;
}

.todo-checkbox-wrap input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.todo-checkmark {
  position: absolute;
  top: 0;
  left: 0;
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s;
  background: #fff;
}

.todo-checkbox-wrap:hover .todo-checkmark {
  border-color: var(--primary);
}

.todo-checkbox-wrap input:checked ~ .todo-checkmark {
  background: var(--success);
  border-color: var(--success);
}

.todo-checkbox-wrap input:checked ~ .todo-checkmark::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border: solid #fff;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
}

/* Card body */
.todo-card-body {
  flex: 1;
  min-width: 0;
}

.todo-card-content {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  word-break: break-word;
  margin-bottom: 8px;
}

.todo-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

/* Star display (in card) */
.todo-stars-display {
  display: inline-flex;
  gap: 1px;
  font-size: 14px;
}

.todo-star {
  color: #E0E0E0;
  line-height: 1;
}

.todo-star.filled {
  color: #FAAD14;
}

/* Meta items */
.todo-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--bg);
}

.todo-meta-icon {
  font-size: 13px;
}

.todo-meta-actual {
  background: #F6FFED;
  color: #389E0D;
}

.todo-meta-diff-positive {
  background: #FFF1F0;
  color: var(--danger);
}

.todo-meta-diff-negative {
  background: #F6FFED;
  color: #389E0D;
}

.todo-meta-diff-zero {
  background: var(--bg);
  color: var(--text-secondary);
}

.todo-meta-timing-early {
  background: #F6FFED;
  color: #389E0D;
}

.todo-meta-timing-late {
  background: #FFF1F0;
  color: var(--danger);
}

.todo-meta-timing-on-time {
  background: #E6F4FF;
  color: var(--primary);
}

/* Add duration button */
.todo-add-time-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 10px;
  background: #E6F4FF;
  border: 1px solid #BAE0FF;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
  white-space: nowrap;
}

.todo-add-time-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Accumulated time display on incomplete items */
.todo-meta-accumulated {
  background: #FFF7E6;
  color: #D48806;
}

/* Card actions */
.todo-card-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.2s;
}

.todo-card:hover .todo-card-actions {
  opacity: 1;
}

.todo-action-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  color: var(--text-secondary);
}

.todo-action-btn:hover {
  background: var(--bg);
}

.todo-delete-btn:hover {
  color: var(--danger);
  background: #FFF1F0;
}

.todo-edit-btn:hover {
  color: var(--primary);
  background: #E6F4FF;
}

/* Section divider */
.todo-section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0 4px;
}

.todo-section-divider::before,
.todo-section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.todo-section-label {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Modal form styles */
.todo-modal {
  max-width: 520px;
}

.todo-modal textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  resize: vertical;
  min-height: 80px;
  transition: border-color 0.2s;
}

.todo-modal textarea:focus {
  border-color: var(--primary);
}

.todo-required {
  color: var(--danger);
  margin-left: 2px;
}

.todo-complete-desc {
  font-size: 15px;
  color: var(--text);
  padding: 12px 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  line-height: 1.5;
}

/* Star picker (in modal) */
.todo-star-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}

.todo-star-pick {
  font-size: 28px;
  cursor: pointer;
  color: #E0E0E0;
  transition: all 0.15s;
  line-height: 1;
  user-select: none;
}

.todo-star-pick:hover {
  transform: scale(1.2);
}

.todo-star-pick.filled {
  color: #FAAD14;
}

/* Duration row */
.todo-duration-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.todo-duration-input {
  width: 80px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  text-align: center;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}

.todo-duration-input::-webkit-inner-spin-button,
.todo-duration-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.todo-duration-input:focus {
  border-color: var(--primary);
}

.todo-duration-unit {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Time row */
.todo-time-row {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.todo-time-col {
  flex: 1;
}

.todo-time-col label {
  font-size: 13px;
  margin-bottom: 4px;
}

.todo-date-input,
.todo-time-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  background: #fff;
  transition: border-color 0.2s;
  color: var(--text);
}

.todo-date-picker-wrap {
  position: relative;
}

.todo-date-input-hidden {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
}

.todo-date-picker-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-align: left;
}

.todo-date-picker-trigger:hover {
  border-color: var(--primary-light);
}

.todo-date-picker-trigger:focus {
  outline: none;
  border-color: var(--primary);
}

.todo-date-picker-icon {
  width: 18px;
  height: 18px;
  border: 2px solid var(--primary);
  border-radius: 4px;
  position: relative;
  flex-shrink: 0;
}

.todo-date-picker-icon::before {
  content: '';
  position: absolute;
  left: -2px;
  right: -2px;
  top: 4px;
  height: 2px;
  background: var(--primary);
}

.todo-date-picker-icon::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 3px;
  width: 3px;
  height: 6px;
  border-radius: 2px;
  background: var(--primary);
  box-shadow: 7px 0 0 var(--primary);
}

.todo-date-picker-value {
  min-width: 0;
}

.todo-date-picker-value.placeholder {
  color: var(--text-secondary);
}

.todo-time-select-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.todo-time-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  text-align: center;
  padding-right: 10px;
}

.todo-time-select-row .todo-time-select {
  flex: 1;
  min-width: 0;
}

.todo-time-select-ampm {
  flex: 0 0 92px;
}

.todo-time-sep {
  color: var(--text-secondary);
  font-weight: 600;
}

.todo-date-input:focus,
.todo-time-input:focus {
  border-color: var(--primary);
}

.todo-weekday-hint {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 4px;
  min-height: 20px;
}

/* Responsive */
@media (max-width: 640px) {
  .todo-title-row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .todo-add-btn {
    width: 100%;
    justify-content: center;
  }

  .todo-sort-bar {
    flex-wrap: wrap;
  }

  .todo-time-row {
    flex-direction: column;
    gap: 0;
  }

  .todo-card-actions {
    opacity: 1;
  }

  .todo-card {
    padding: 12px 14px;
  }

  .todo-duration-input {
    width: 60px;
  }
}