.messenger-fab {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 3.4rem;
  height: 3.4rem;
  border: none;
  border-radius: var(--radius-circle);
  background-color: var(--color-accent-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  z-index: 1000;
}

.messenger-fab svg {
  width: 1.5rem;
  height: 1.5rem;
}

.messenger-fab-badge {
  position: absolute;
  top: -0.15rem;
  right: -0.15rem;
  min-width: 1.2rem;
  height: 1.2rem;
  padding: 0 0.3rem;
  border-radius: 999px;
  background-color: var(--color-danger);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-primary);
}

.messenger-fab-badge[hidden] {
  display: none;
}


.messenger {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-sizing: border-box;
  overflow: hidden;

  position: fixed;
  right: 1rem;
  left: 1rem;
  bottom: 5.4rem;
  margin-left: auto;
  width: auto;
  max-width: 23.563rem;
  height: 70vh;
  max-height: 32rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  z-index: 999;

  opacity: 0;
  transform: translateY(0.75rem) scale(0.97);
  pointer-events: none;
  transform-origin: bottom right;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.messenger-widget.is-open .messenger {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .messenger {
    transition: none;
  }
}

.messenger-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-bottom: 2px solid var(--color-border);
  background-color: var(--bg-secondary);
}

.messenger-header-info {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-width: 0;
}

.messenger-close {
  flex-shrink: 0;
  border: none;
  background: none;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1;
  padding: 0.25rem;
  cursor: pointer;
}

.messenger-close:hover {
  color: var(--color-text-primary);
}

.messenger-header h2 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin: 0;
  color: var(--color-text-primary);
}

.messenger-members-count {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.messenger-body {
  flex: 1;
  overflow-y: auto;
  scroll-behavior: smooth;
  padding: 1rem;
  background-color: var(--bg-primary);
}

#messages-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}


.date-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.75rem 0;
}

.date-divider::before,
.date-divider::after {
  content: '';
  flex: 1;
  border-top: 1px dashed var(--color-border);
}

.date-divider span {
  position: relative;
  margin: 0 0.6rem;
  padding: 0.15rem 0.65rem;
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.date-divider span::before {

  content: '';
  position: absolute;
  left: -4px;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--bg-primary);
  border-left: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transform: translateY(-50%) rotate(45deg);
  border-radius: 1px;
}


.message-bubble-row {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  max-width: 100%;
  animation: message-in 0.25s ease-out;
}

.message-avatar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: var(--radius-circle);
  background-color: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
}

.message-bubble {
  position: relative;
  max-width: 75%;
  padding: 0.5rem 0.75rem 1.1rem 0.75rem;
  background-color: var(--bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-sm);
  word-wrap: break-word;
}

.message-author {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 0.15rem;
}

.message-content {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--color-text-primary);
  white-space: pre-wrap;
}

.message-time {
  position: absolute;
  right: 0.65rem;
  bottom: 0.3rem;
  font-size: 0.65rem;
  color: var(--color-text-secondary);
}


.message-bubble-row.is-other {
  justify-content: flex-start;
}


.message-bubble-row.is-own {
  flex-direction: row-reverse;
}

.message-bubble-row.is-own .message-avatar,
.message-bubble-row.is-own .message-author {
  display: none;
}

.message-bubble-row.is-own .message-bubble {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-sm);
}

.message-bubble-row.is-own .message-content {
  color: #fff;
}

.message-bubble-row.is-own .message-time {
  color: rgba(255, 255, 255, 0.75);
}


.message-bubble-row.is-new .message-bubble {
  box-shadow: 0 0 0 3px rgba(110, 231, 183, 0.55);
}

@keyframes message-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .message-bubble-row {
    animation: none;
  }
}

.jump-to-new {
  position: absolute;
  left: 50%;
  bottom: 5.4rem;
  transform: translate(-50%, 0.5rem);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background-color: var(--color-accent-dark);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.8rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 2;
}

.jump-to-new:not([hidden]) {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.jump-to-new-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-circle);
  background-color: var(--color-success);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(110, 231, 183, 0.6); }
  70%  { box-shadow: 0 0 0 6px rgba(110, 231, 183, 0); }
  100% { box-shadow: 0 0 0 0 rgba(110, 231, 183, 0); }
}


.add-message {
  padding: 0.75rem;
  border-top: 2px solid var(--color-border);
  background-color: var(--bg-secondary);
  margin: 0;
}


.add-message form {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  width: 100%;
}


.add-message form > div {
  flex: 1;
  margin: 0;
  min-width: 0;
}

.add-message textarea,
.add-message input[type="text"] {
  width: 100%;
  box-sizing: border-box;
  resize: none;
  max-height: 5rem;
  padding: 0.5rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  background-color: var(--bg-primary);
}

.add-message textarea:focus,
.add-message input[type="text"]:focus {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 1px;
}

.add-message .btn-send {
  flex-shrink: 0;
  padding: 0.55rem 1.1rem;
  border: none;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-dark);
  color: #fff;
  font-family: var(--font-primary);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.add-message .btn-send:hover {
  background-color: #96703f;
}

.add-message .btn-send:focus-visible,
.jump-to-new:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 2px;
}


@media (min-width: 768px) {
  .messenger-fab,
  .messenger-close {
    display: none;
  }

  .messenger {
    position: static;
    inset: auto;
    width: 35.563rem;
    max-width: 100%;
    height: 36rem;
    margin: 0 0 2rem 0;
    box-shadow: none;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
}