/* Layout: main/content areas, activity cards, sidebar. */

header form {
  margin-left: auto;
}

.logout {
  margin-left: auto;
  color: var(--logout-text);
  font-weight: bold;
  font-size: 1rem;
  background: none;
  border: none;
  padding: 0;
  width: auto;
  max-width: none;
  cursor: pointer;
  box-shadow: none;
  transition:
    color 120ms cubic-bezier(0.2, 0.8, 0.2, 1),
    text-decoration-color 120ms cubic-bezier(0.2, 0.8, 0.2, 1);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 2px;
}

.logout:hover {
  box-shadow: none;
  color: var(--logout-hover);
  text-decoration-color: currentColor;
}

.logout:active {
  background: none;
  color: #a31212;
  text-decoration-color: currentColor;
}

main {
  display: flex;
  flex: 1;
  background-color: var(--surface-panel);
  padding: 1em;
  gap: 1em;
}

.content {
  flex: 1;
  background-color: var(--surface-card);
  box-sizing: border-box;
  padding: 2rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border-warm);
  box-shadow: var(--shadow-card);
}

.content h1 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
  font-weight: bold;
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.activities {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.activity-card {
  position: relative;
  background-color: var(--surface-sage);
  border: 1px solid var(--border-warm);
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  padding: 1rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-soft);
  transition:
    background-color 150ms cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 150ms cubic-bezier(0.2, 0.8, 0.2, 1),
    color 150ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.activity-card .activity-card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.activity-card h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.2rem;
}

.activity-card p {
  margin: 0.25rem 0;
}

.activity-card-link {
  display: block;
  color: inherit;
}

.activity-card-link:hover .activity-card {
  box-shadow: none;
}

/* Activity lists: no lift/shadow hover, distinct color accents by card position. */
.activities .activity-card-link:nth-child(4n + 1):hover .activity-card,
.activities-grid .activity-card-link:nth-child(4n + 1):hover .activity-card {
  background-color: #e6efe5;
  border-color: #6f927b;
}

.activities .activity-card-link:nth-child(4n + 2):hover .activity-card,
.activities-grid .activity-card-link:nth-child(4n + 2):hover .activity-card {
  background-color: #e8efe9;
  border-color: #5f8670;
}

.activities .activity-card-link:nth-child(4n + 3):hover .activity-card,
.activities-grid .activity-card-link:nth-child(4n + 3):hover .activity-card {
  background-color: #edf1e8;
  border-color: #7c946b;
}

.activities .activity-card-link:nth-child(4n):hover .activity-card,
.activities-grid .activity-card-link:nth-child(4n):hover .activity-card {
  background-color: #e4ece5;
  border-color: #5f7f70;
}

.sidebar {
  min-width: 250px;
  background-color: var(--surface-card);
  padding: 2rem 2rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border-warm);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar .button {
  min-width: 20em;
  background-color: var(--btn-fill);
  border: 0;
  border-radius: 1rem;
  padding: 1rem;
  font-size: medium;
  font-weight: bold;
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.sidebar .button:hover {
  box-shadow: none;
}

.sidebar .button:active {
  background-color: var(--btn-fill-press);
}