/**
 * PERT Table CSS
 * Table view styling
 */

/* ========== TABLE ========== */

.pert-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-sm);
}

.pert-table th,
.pert-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.pert-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: var(--font-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  position: sticky;
  top: 0;
  z-index: 10;
}

.pert-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: background 0.1s var(--ease-step-out);
}

.pert-table th.sortable:hover {
  background: var(--bg-elevated);
}

.pert-table th.sorted-asc .sort-icon::after {
  content: ' \25B2';
  font-size: 8px;
}

.pert-table th.sorted-desc .sort-icon::after {
  content: ' \25BC';
  font-size: 8px;
}

.pert-table tbody tr {
  transition: background 0.1s var(--ease-step-out);
}

.pert-table tbody tr:hover {
  background: var(--bg-tertiary);
}

.pert-table tbody tr.selected {
  background: var(--accent-subtle);
}

.pert-table tbody tr.critical {
  background: var(--accent-subtle);
}

.pert-table tbody tr.critical:hover {
  background: color-mix(in srgb, var(--accent-subtle) 80%, var(--bg-tertiary) 20%);
}

/* Task name column */
.pert-table__task-name {
  font-weight: 500;
  color: var(--text-primary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pert-table__task-name--milestone::before {
  content: '\2605';
  color: var(--accent);
  margin-right: var(--spacing-xs);
}

/* Duration column */
.pert-table__duration {
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* PERT value columns */
.pert-table__value {
  font-family: var(--font-mono);
  text-align: center;
  color: var(--text-secondary);
}

.pert-table__value--zero {
  color: var(--accent);
  font-weight: 600;
}

/* Slack column */
.pert-table__slack {
  font-family: var(--font-mono);
  text-align: center;
}

.pert-table__slack--zero {
  color: var(--accent);
  font-weight: 600;
}

.pert-table__slack--positive {
  color: var(--status-success);
}

/* Critical indicator */
.pert-table__critical {
  text-align: center;
}

.pert-table__critical-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.pert-table__critical-badge--yes {
  background: var(--accent);
  color: var(--bg-primary);
}

.pert-table__critical-badge--yes::after {
  content: '\2713';
  font-size: 10px;
  font-weight: 700;
}

.pert-table__critical-badge--no {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

.pert-table__critical-badge--no::after {
  content: '-';
}

/* Status column */
.pert-table__status {
  text-align: center;
}

.pert-table__status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-xs);
  font-weight: 500;
}

.pert-table__status-badge--complete {
  background: var(--status-success-subtle);
  color: var(--status-success);
}

.pert-table__status-badge--in-progress {
  background: var(--status-warning-subtle);
  color: var(--status-warning);
}

.pert-table__status-badge--not-started {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

/* Row actions */
.pert-table__actions {
  width: 40px;
  text-align: center;
}

.pert-table__action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: opacity 0.1s, background 0.1s, color 0.1s;
}

.pert-table tbody tr:hover .pert-table__action-btn {
  opacity: 1;
}

.pert-table__action-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Empty state */
.pert-table__empty {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

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

@media (max-width: 900px) {
  .pert-table th,
  .pert-table td {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  /* Hide some columns on smaller screens */
  .pert-table th:nth-child(3),
  .pert-table td:nth-child(3),
  .pert-table th:nth-child(4),
  .pert-table td:nth-child(4),
  .pert-table th:nth-child(5),
  .pert-table td:nth-child(5),
  .pert-table th:nth-child(6),
  .pert-table td:nth-child(6) {
    display: none;
  }
}

@media (max-width: 640px) {
  .pert-table__task-name {
    max-width: 120px;
  }
}