.collab-session-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--collab-border, #e2e8f0);
  border-radius: 12px;
  transition: box-shadow 0.15s, border-color 0.15s;

  &:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e0;
  }

  &--current {
    border-color: var(--collab-teal, #38b2ac);
    background: rgba(56, 178, 172, 0.03);
  }

  &--due {
    border-color: #d69e2e;
    background: rgba(214, 158, 46, 0.03);
  }

  &--compact {
    padding: 12px;
    gap: 8px;

    .collab-session-card__title {
      font-size: 13px;
    }

    .collab-session-card__actions {
      flex-wrap: wrap;
    }
  }

  &__top {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }

  &__mode-icon {
    font-size: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--collab-surface, #f7fafc);
    flex-shrink: 0;
  }

  &__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--collab-text-primary, #1a202c);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
  }

  &__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }

  &__code {
    font-size: 11px;
    letter-spacing: 0.05em;
  }

  &__avatars {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
  }

  &__participants-count {
    font-size: 12px;
  }

  &__actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 4px;
  }
}

.collab-status-pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;

  &--teal {
    background: rgba(56, 178, 172, 0.12);
    color: #319795;
  }

  &--amber {
    background: rgba(214, 158, 46, 0.12);
    color: #b7791f;
  }

  &--blue {
    background: rgba(49, 130, 206, 0.12);
    color: #2b6cb0;
  }

  &--muted {
    background: rgba(113, 128, 150, 0.12);
    color: #718096;
  }
}

.collab-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  margin-left: -6px;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);

  &:first-child {
    margin-left: 0;
  }

  &--overflow {
    background: var(--collab-surface, #f0f4f8);
    color: var(--collab-text-muted, #718096);
    font-size: 10px;
    border-color: #fff;
  }
}

.collab-you-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(56, 178, 172, 0.15);
  color: var(--collab-teal, #38b2ac);
  font-weight: 600;
}

.collab-due-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(214, 158, 46, 0.15);
  color: #b7791f;
  font-weight: 600;
}

.collab-mono {
  font-family: 'DM Mono', monospace;
}

.collab-muted {
  color: var(--collab-text-muted, #718096);
}

.collab-small {
  font-size: 12px;
}

.collab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s;
  white-space: nowrap;

  &--primary {
    background: var(--collab-teal, #38b2ac);
    color: #fff;

    &:hover {
      background: #319795;
    }
  }

  &--ghost {
    background: transparent;
    color: var(--collab-text-primary, #1a202c);
    border: 1px solid var(--collab-border, #e2e8f0);

    &:hover {
      background: var(--collab-surface, #f7fafc);
    }
  }

  &--sm {
    padding: 5px 10px;
    font-size: 12px;
  }
}

[dir='rtl'] {
  .collab-session-card__top,
  .collab-session-card__meta,
  .collab-session-card__actions {
    flex-direction: row-reverse;
  }

  .collab-avatar:first-child {
    margin-left: -6px;
    margin-right: 0;
  }

  .collab-avatar {
    margin-left: 0;
    margin-right: -6px;
  }
}