:root {
  --priority-fire: #ff5d73;
  --priority-important: #f5b942;
  --priority-normal: #a0a7b4;
  --priority-someday: #6f7885;
  --status-todo: #6f7885;
  --status-progress: #5ab8ff;
  --status-waiting: #f5b942;
  --status-done: #52d273;
  --overdue: #ff5d73;
}

/* ─── Tasks Page ─── */
.tasks-page {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tasks-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 2px;
}

.tasks-header h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  letter-spacing: -0.04em;
}

/* ─── Task Groups ─── */
.task-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.task-group-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 0 2px;
}

.task-group-header h2 {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.task-group-count {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.task-group-divider {
  height: 1px;
  margin: 2px 0 4px;
  background: var(--border-soft);
}

/* ─── Task Card ─── */
.task-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.task-card:hover {
  border-color: rgba(90, 184, 255, 0.3);
  background: var(--surface-raised);
}

.task-card.overdue {
  border-left: 3px solid var(--overdue);
}

.task-card.done {
  opacity: 0.55;
}

.task-card.done .task-title {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* Checkbox */
.task-check {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border: 2px solid var(--text-muted);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
  padding: 0;
  color: transparent;
}

.task-check:hover {
  border-color: var(--primary);
}

.task-check.checked {
  border-color: var(--status-done);
  background: var(--status-done);
  color: #06111b;
}

.task-check .icon {
  width: 12px;
  height: 12px;
}

/* Task body */
.task-body {
  flex: 1;
  min-width: 0;
}

.task-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 5px;
}

.task-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.task-meta-item .icon {
  width: 12px;
  height: 12px;
}

.task-meta-item.overdue {
  color: var(--overdue);
}

.task-meta-item.priority-fire {
  color: var(--priority-fire);
}

.task-meta-item.priority-important {
  color: var(--priority-important);
}

.task-priority-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
}

.task-priority-badge.fire {
  background: rgba(255, 93, 115, 0.15);
  color: var(--priority-fire);
}

.task-priority-badge.important {
  background: rgba(245, 185, 66, 0.15);
  color: var(--priority-important);
}

.task-priority-badge.normal {
  background: rgba(160, 167, 180, 0.1);
  color: var(--priority-normal);
}

.task-priority-badge.someday {
  background: rgba(111, 120, 133, 0.1);
  color: var(--priority-someday);
}

/* Status badge */
.task-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
}

.task-status-badge.todo {
  background: rgba(111, 120, 133, 0.1);
  color: var(--status-todo);
}

.task-status-badge.in-progress {
  background: rgba(90, 184, 255, 0.15);
  color: var(--status-progress);
}

.task-status-badge.waiting {
  background: rgba(245, 185, 66, 0.15);
  color: var(--status-waiting);
}

.task-status-badge.done {
  background: rgba(82, 210, 115, 0.15);
  color: var(--status-done);
}

/* Tags */
.task-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 5px;
}

.task-tag {
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(90, 184, 255, 0.08);
  color: var(--text-secondary);
  font-size: 0.68rem;
}

/* ─── Quick Create ─── */
.quick-create {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: text;
  transition: border-color 160ms ease, background 160ms ease;
}

.quick-create:hover {
  border-color: rgba(90, 184, 255, 0.3);
  background: rgba(90, 184, 255, 0.03);
}

.quick-create .icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}

.quick-create span {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ─── Create Modal ─── */
.create-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(4, 6, 10, 0.6);
  backdrop-filter: blur(4px);
}

.create-modal {
  width: min(480px, 100%);
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #0d1018;
  box-shadow: var(--shadow);
}

.create-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.create-modal-header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.create-modal-input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  resize: none;
}

.create-modal-input:focus {
  border-color: var(--primary);
}

.create-modal-input::placeholder {
  color: var(--text-muted);
}

.create-modal-hint {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.create-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

/* ─── Detail Panel ─── */
.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  justify-content: flex-end;
  background: rgba(4, 6, 10, 0.5);
  backdrop-filter: blur(3px);
}

.detail-panel {
  width: min(420px, 100vw);
  height: 100%;
  overflow-y: auto;
  padding: 20px;
  border-left: 1px solid var(--border);
  background: #0d1018;
  box-shadow: var(--shadow);
  animation: slideIn 200ms ease;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.detail-header h2 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.detail-section {
  margin-bottom: 18px;
}

.detail-section-title {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.detail-divider {
  height: 1px;
  margin: 16px 0;
  background: var(--border-soft);
}

.detail-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.detail-field label {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.detail-field input,
.detail-field select,
.detail-field textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.88rem;
  outline: none;
}

.detail-field input:focus,
.detail-field select:focus,
.detail-field textarea:focus {
  border-color: var(--primary);
}

.detail-field textarea {
  min-height: 60px;
  resize: vertical;
}

.detail-field select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  padding: 10px 32px 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.88rem;
  outline: none;
  width: 100%;
  transition: border-color 160ms ease, box-shadow 160ms ease;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236f7885' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 14px;
}

.detail-field select:hover {
  border-color: rgba(90, 184, 255, 0.4);
  background-color: var(--surface-raised);
}

.detail-field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(90, 184, 255, 0.15);
}

.detail-field select option {
  background: #0d1018;
  color: var(--text);
  padding: 8px 12px;
}

.detail-section select,
.detail-section input[type="date"],
.detail-section input[type="time"] {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  padding: 10px 32px 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.88rem;
  outline: none;
  width: 100%;
  transition: border-color 160ms ease, box-shadow 160ms ease;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236f7885' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 14px;
}

.detail-section select:hover {
  border-color: rgba(90, 184, 255, 0.4);
  background-color: var(--surface-raised);
}

.detail-section select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(90, 184, 255, 0.15);
}

.detail-section select option {
  background: #0d1018;
  color: var(--text);
  padding: 8px;
}

/* ─── Checklist inside task ─── */
.task-checklist {
  margin-top: 8px;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.checklist-item .task-check {
  width: 16px;
  height: 16px;
  border-radius: 4px;
}

.checklist-item .task-check .icon {
  width: 10px;
  height: 10px;
}

/* ─── Empty state ─── */
.tasks-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 16px;
  color: var(--text-muted);
  text-align: center;
}

.tasks-empty .icon {
  width: 32px;
  height: 32px;
  opacity: 0.4;
}

.tasks-empty p {
  margin: 0;
  font-size: 0.88rem;
}

/* ─── Overdue block ─── */
.overdue-block {
  border: 1px solid rgba(255, 93, 115, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 93, 115, 0.04);
  padding: 12px;
}

.overdue-block .task-group-header h2 {
  color: var(--overdue);
}

/* ─── Remind Menu ─── */
.remind-menu-item:hover {
  background: var(--surface-raised);
  color: var(--text);
}

/* ─── Energy Colors ─── */
.task-meta-item.energy-quick {
  color: #52d273;
}

.task-meta-item.energy-medium {
  color: #f5b942;
}

.task-meta-item.energy-large {
  color: #ff5d73;
}

/* ─── Task Card Actions ─── */
.task-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* ─── Responsive ─── */
@media (max-width: 720px) {
  .detail-panel {
    width: 100vw;
    border-left: none;
    border-top: 1px solid var(--border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    animation: slideUp 200ms ease;
  }

  .detail-overlay {
    align-items: flex-end;
  }

  @keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }
}