/* ========== RETROSPECTIVE LAYOUT - Header, columns, container ========== */

/* ========== ASSEMBLY LINE HEADER ========== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-xl);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

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

/* Project title */
.header h1 {
  font-size: var(--font-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

/* ========== RETRO SELECTOR ========== */
.retro-selector {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-sm);
  font-family: inherit;
  cursor: pointer;
  min-width: 180px;
  max-width: 250px;
}

.retro-selector:hover {
  border-color: var(--border-strong);
}

.retro-selector:focus {
  outline: none;
  border-color: var(--accent);
}

/* ========== MAIN CONTAINER ========== */
.retro-container {
  height: calc(100vh - 52px);
  overflow: hidden;
  display: flex;
}

/* ========== EMPTY STATE ========== */
.retro-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl);
}

.retro-empty__icon {
  width: 64px;
  height: 64px;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: var(--spacing-xl);
}

.retro-empty__title {
  font-size: var(--font-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.retro-empty__text {
  font-size: var(--font-md);
  color: var(--text-muted);
  max-width: 400px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-xl);
}

/* ========== BOARD LAYOUT ========== */
.retro-board {
  flex: 1;
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  overflow-x: auto;
}

/* ========== COLUMN ========== */
.retro-column {
  flex: 1;
  min-width: 300px;
  max-width: 450px;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.retro-column__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.retro-column__emoji {
  font-size: var(--font-xl);
}

.retro-column__title {
  flex: 1;
  font-size: var(--font-md);
  font-weight: 600;
  color: var(--text-primary);
}

.retro-column__count {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 var(--spacing-xs);
  background: var(--bg-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-muted);
}

.retro-column__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  min-height: 150px;
  transition: background var(--transition-fast), outline var(--transition-fast);
}

/* Column-specific colors */
.retro-column--went-well .retro-column__header {
  border-left: 4px solid var(--status-success);
}

.retro-column--went-poorly .retro-column__header {
  border-left: 4px solid var(--status-danger);
}

.retro-column--action-items .retro-column__header {
  border-left: 4px solid var(--accent);
}

/* ========== ADD BUTTON ========== */
.retro-add-btn {
  margin: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.retro-add-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-subtle);
}

/* ========== ANONYMOUS INDICATOR ========== */
.anonymous-indicator {
  position: fixed;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-xs);
  color: var(--text-secondary);
  z-index: 50;
}

.anonymous-indicator svg {
  color: var(--accent);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1200px) {
  .retro-column {
    min-width: 260px;
  }
}

@media (max-width: 900px) {
  .header {
    flex-wrap: wrap;
  }

  .header-right {
    flex-wrap: wrap;
  }

  .retro-board {
    flex-direction: column;
    padding: var(--spacing-md);
  }

  .retro-column {
    min-width: auto;
    max-width: none;
    max-height: 400px;
  }
}

@media (max-width: 640px) {
  .header-left {
    flex-wrap: wrap;
    width: 100%;
  }

  .header-right {
    width: 100%;
    justify-content: flex-start;
  }

  .stat-item__label {
    display: none;
  }

  .action-group {
    display: none;
  }

  .retro-selector {
    min-width: 140px;
  }

  .anonymous-indicator {
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
  }
}