/* ===== Messages Section ===== */

.messages-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  height: 600px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

@media (max-width: 700px) {
  .messages-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 220px 1fr;
    height: auto;
  }
}

/* Thread list (left panel) */
.messages-thread-list {
  background: var(--bg-subtle);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.messages-thread-list-inner {
  padding: 0;
}

.thread-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}

.thread-item:hover {
  background: var(--bg-hover);
}

.thread-item.active {
  background: var(--accent-subtle);
  border-left: 3px solid var(--accent);
}

.thread-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.thread-item-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.thread-item-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.thread-item-preview {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.thread-item-preview.mine {
  font-style: italic;
}

.thread-unread-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--bg-page);
  border-radius: 50%;
  min-width: 18px;
  height: 18px;
  font-size: 0.7rem;
  font-weight: 700;
  text-align: center;
  line-height: 18px;
  padding: 0 4px;
  margin-left: auto;
}

/* Thread view (right panel) */
.messages-thread-view {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
}

.messages-thread-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--bg-subtle);
  color: var(--text-primary);
}

.messages-thread-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.msg-bubble {
  max-width: 72%;
  padding: 0.5rem 0.8rem;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.4;
  word-break: break-word;
}

.msg-bubble.mine {
  align-self: flex-end;
  background: var(--accent);
  color: var(--bg-page);
  border-bottom-right-radius: 3px;
}

.msg-bubble.theirs {
  align-self: flex-start;
  background: var(--bg-subtle);
  color: var(--text-primary);
  border-bottom-left-radius: 3px;
}

.msg-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.msg-meta.mine {
  text-align: right;
}

.msg-group {
  display: flex;
  flex-direction: column;
}

.messages-send-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
}

.messages-send-form textarea {
  flex: 1;
  resize: none;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
}

.messages-send-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.messages-send-form .btn {
  align-self: flex-end;
  white-space: nowrap;
}

/* Nav badge (unread count on Messages nav item) */
.nav-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--bg-page);
  border-radius: 10px;
  min-width: 16px;
  height: 16px;
  font-size: 0.65rem;
  font-weight: 700;
  text-align: center;
  line-height: 16px;
  padding: 0 3px;
  margin-left: 4px;
  vertical-align: middle;
}

.nav-badge.hidden {
  display: none;
}

/* ===== Enhanced Sub Cards (Sub Overview Dashboard) ===== */

.sub-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sub-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sub-activity-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sub-activity-dot.active-today {
  background: #4caf50;
  box-shadow: 0 0 6px rgba(76, 175, 80, 0.6);
}

.sub-activity-dot.active-week {
  background: #ff9800;
}

.sub-activity-dot.inactive {
  background: #f44336;
}

.sub-card-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.sub-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sub-card-meta span {
  background: var(--bg-subtle);
  padding: 2px 8px;
  border-radius: 4px;
}

.sub-card-meta span.highlight {
  background: var(--accent-subtle);
  color: var(--accent);
}

.sub-card-meta span.warning {
  background: rgba(255, 152, 0, 0.15);
  color: #ff9800;
}

.sub-card-meta span.danger {
  background: rgba(244, 67, 54, 0.12);
  color: #f44336;
}

.sub-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.sub-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-subtle);
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  min-width: 60px;
  text-align: center;
}

.sub-stat-value {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.sub-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.sub-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}