/**
 * Dependencies Layout CSS
 * Container, header, legend, empty state, floating controls
 */

/* ========== HEADER LAYOUT ========== */

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ========== FILTER DROPDOWNS ========== */

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.filter-select {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  padding-right: 28px;
  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='%23a1a1aa' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.filter-select:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent);
}

/* ========== STAT ITEMS ========== */

.stat-item--nodes .stat-item__value {
  color: var(--accent);
}

.stat-item--edges .stat-item__value {
  color: var(--status-info);
}

/* ========== MAIN CONTAINER ========== */

.deps-container {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

body:has(.deps-container) {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

body:has(.deps-container) .header {
  flex-shrink: 0;
}

body.edit-mode:has(.deps-container) {
  padding-top: 24px;
}

/* ========== DIAGRAM VIEW ========== */

.deps-diagram {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

/* ========== FLOATING CONTROLS ========== */

.floating-controls,
.floating-notice {
  position: absolute;
  z-index: 100;
  background: rgba(16, 16, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: 8px;
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.floating-controls--zoom {
  left: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px;
}

.floating-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    transform 0.1s ease;
}

.floating-btn:hover {
  background: rgba(167, 139, 250, 0.15);
  color: var(--accent-bright);
}

.floating-btn:active {
  transform: scale(0.92);
  background: rgba(167, 139, 250, 0.25);
}

.floating-btn svg {
  width: 18px;
  height: 18px;
}

/* Edit mode notice */
.floating-notice {
  top: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.floating-notice svg {
  color: var(--accent);
  flex-shrink: 0;
}

.edit-mode .floating-notice {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Canvas */
.diagram-canvas {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
  background: var(--bg-primary);
}

#networkContainer {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

#networkContainer canvas {
  outline: none;
}

/* Empty state */
.diagram-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-2xl);
}

.diagram-empty__icon {
  width: 64px;
  height: 64px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.diagram-empty__title {
  font-size: var(--font-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.diagram-empty__text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  max-width: 400px;
}

.diagram-empty__hint {
  color: var(--text-muted);
  font-size: var(--font-sm);
  max-width: 400px;
}

/* Legend */
.diagram-legend {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

body:has(.deps-container) .status {
  bottom: 54px;
  left: 72px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-sm);
}

.legend-color--done {
  background: var(--status-success);
}

.legend-color--in-progress {
  background: var(--status-warning);
}

.legend-color--todo {
  background: var(--accent);
}

.legend-color--backlog {
  background: var(--text-muted);
}

/* ========== TASK INFO GRID ========== */

.task-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.task-info-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.task-info-item__label {
  font-size: var(--font-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.task-info-item__value {
  font-size: var(--font-md);
  font-weight: 600;
}

/* ========== TASK MODAL SECTIONS ========== */

.task-modal-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.task-modal-section h3 {
  font-size: var(--font-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.dependency-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  max-height: 200px;
  overflow-y: auto;
}

.dependency-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.dependency-item__info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.dependency-item__name {
  font-size: var(--font-sm);
}

.dependency-item__remove {
  padding: var(--spacing-xs);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.dependency-item__remove:hover {
  background: var(--status-error-subtle);
  color: var(--status-error);
}

.dependency-empty {
  color: var(--text-muted);
  font-size: var(--font-sm);
  font-style: italic;
  padding: var(--spacing-md);
}

.add-dependency-form {
  display: flex;
  gap: var(--spacing-sm);
}

.add-dependency-form .form-input {
  flex: 1;
}

/* ========== RESPONSIVE ========== */

@media (max-width: 900px) {
  .filter-group {
    display: none;
  }
}

@media (max-width: 640px) {
  .diagram-legend {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }
}