/* === main content === */

.main-content {
  margin-left: var(--sidebar-width);
  padding: 2rem 2.5rem;
  min-height: 100vh;
}

/* Flash messages */
.flash-container {
  position: fixed;
  top: 1rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.flash {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-hover);
  transition: opacity 0.3s ease;
  background: #FFF;
  border: 1px solid var(--border);
}

.flash-success { border-left: 4px solid var(--success); color: #10514c; }
.flash-error, .flash-alert { border-left: 4px solid var(--danger); color: #782424; }
.flash-info, .flash-notice { border-left: 4px solid var(--accent); color: var(--text); }

.flash-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

/* Page header */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
}

.page-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.back-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: inline-block;
  margin-bottom: 0.5rem;
}

.back-link:hover {
  color: var(--primary-text);
}