.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  background: var(--header);
  padding: 0.875rem 1rem;
  border-bottom: 0.0625rem solid var(--stroke);
}

.chat-contact {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  min-width: 0;
}

.mobile-back-btn {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: none;
  place-items: center;
  background: transparent;
  color: var(--ink);
  flex-shrink: 0;
}

.mobile-back-btn svg {
  width: 1.125rem;
  height: 1.125rem;
}

.chat-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(0, 168, 132, 0.18), rgba(37, 211, 102, 0.22));
  color: var(--accent-dark);
  font-weight: 800;
  position: relative;
  flex-shrink: 0;
}

.chat-avatar[data-status]::after {
  border-color: var(--header);
}

.chat-copy {
  min-width: 0;
}

.chat-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-meta {
  margin: 0.125rem 0 0;
  color: var(--muted);
  font-size: 0.8125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-window-state {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.55rem;
  flex-wrap: wrap;
}

.chat-window-text {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.chat-actions {
  display: flex;
  gap: 0.5rem;
  position: relative;
  align-items: center;
}

.menu-btn {
  width: 2.375rem;
  height: 2.375rem;
  border-radius: 50%;
  border: 0;
  background: transparent;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.menu-btn:hover {
  background: rgba(102, 119, 129, 0.12);
  color: var(--ink);
}

.menu-btn svg {
  width: 1.125rem;
  height: 1.125rem;
}

.menu {
  position: absolute;
  top: calc(100% + 0.375rem);
  right: 0;
  min-width: 13rem;
  border-radius: 0.75rem;
  border: 0.0625rem solid var(--stroke);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  padding: 0.375rem;
  z-index: 2;
  box-shadow: var(--shadow);
}

.menu[hidden] {
  display: none;
}

.menu-item {
  background: transparent;
  border: 0;
  text-align: left;
  padding: 0.6875rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: var(--ink);
}

.menu-item:hover {
  background: rgba(0, 168, 132, 0.1);
}

.menu-item.danger {
  color: #7a1b1b;
}

body[data-theme="dark"] .menu-item.danger {
  color: #ffb7b7;
}

.chat-window {
  flex: 1;
  background-color: var(--chat-bg);
  background-image: radial-gradient(rgba(255, 255, 255, 0.34) 0.0625rem, transparent 0.0625rem),
    radial-gradient(rgba(17, 27, 33, 0.03) 0.0625rem, transparent 0.0625rem),
    linear-gradient(45deg, rgba(255, 255, 255, 0.06) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.06) 75%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 7.5rem 7.5rem, 10rem 10rem, 3rem 3rem, 3rem 3rem;
  background-position: 0 0, 1.875rem 1.875rem, 0 0, 1.5rem 1.5rem;
  padding: 1.125rem clamp(1rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
  min-height: 0;
}

body[data-theme="dark"] .chat-window {
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 0.0625rem, transparent 0.0625rem),
    radial-gradient(rgba(255, 255, 255, 0.03) 0.0625rem, transparent 0.0625rem),
    linear-gradient(45deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.025) 75%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.02) 75%);
}

.message {
  max-width: min(70%, 34rem);
  padding: 0.5rem 0.625rem 0.375rem;
  border-radius: 0.625rem;
  background: #ffffff;
  box-shadow: 0 0.0625rem 0.03125rem rgba(17, 27, 33, 0.08), 0 0.0625rem 0.125rem rgba(17, 27, 33, 0.08);
  position: relative;
}

body[data-theme="dark"] .message {
  background: #202c33;
  color: #e9edef;
}

.message p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.45;
  word-break: break-word;
}

.message.inbound {
  align-self: flex-start;
  border-top-left-radius: 0.25rem;
}

.message.outbound {
  align-self: flex-end;
  background: var(--accent-soft);
  border-top-right-radius: 0.25rem;
}

.message.outbound.message-failed {
  background: rgba(214, 86, 86, 0.12);
  border: 0.0625rem solid rgba(214, 86, 86, 0.28);
}

body[data-theme="dark"] .message.outbound.message-failed {
  border-color: rgba(255, 183, 183, 0.24);
}

.message.note {
  align-self: center;
  max-width: 30rem;
  background: #fff3c4;
  color: #5c4b16;
  font-size: 0.75rem;
  box-shadow: none;
}

body[data-theme="dark"] .message.note {
  background: rgba(255, 243, 196, 0.14);
  color: #ffe29b;
}

.message-caption {
  margin-top: 0.5rem;
}

.message-meta {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.message-time {
  font-size: 0.6875rem;
  color: var(--muted);
}

.message-status-label {
  display: inline-flex;
  align-items: center;
  padding: 0.16rem 0.45rem;
  border-radius: 999px;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.message-status-label.is-neutral {
  background: rgba(102, 119, 129, 0.14);
  color: var(--muted);
}

.message-status-label.is-pending {
  background: rgba(59, 120, 255, 0.12);
  color: #1f4ed5;
}

.message-status-label.is-success {
  background: rgba(37, 211, 102, 0.14);
  color: var(--accent-dark);
}

.message-status-label.is-failed {
  background: rgba(214, 86, 86, 0.14);
  color: #a12d2d;
}

body[data-theme="dark"] .message-status-label.is-failed {
  color: #ffb7b7;
}

.message-error {
  margin-top: 0.45rem;
  color: #a12d2d;
  font-size: 0.75rem;
  line-height: 1.45;
}

body[data-theme="dark"] .message-error {
  color: #ffb7b7;
}

.message-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.message-retry-btn {
  border: 0.0625rem solid rgba(161, 45, 45, 0.18);
  background: rgba(255, 255, 255, 0.55);
  color: #8f2727;
  border-radius: 999px;
  padding: 0.3125rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.message-retry-btn:hover:not(:disabled) {
  background: rgba(214, 86, 86, 0.12);
}

body[data-theme="dark"] .message-retry-btn {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 183, 183, 0.18);
  color: #ffd1d1;
}

.message-has-only-media {
  padding: 0.375rem;
  background: transparent;
  box-shadow: none;
}

.message-sticker {
  background: transparent;
  box-shadow: none;
}

.message-image,
.message-video,
.message-sticker {
  display: block;
  width: 100%;
  max-width: 18rem;
  border-radius: 0.875rem;
  object-fit: cover;
  background: rgba(102, 119, 129, 0.08);
}

.message-sticker {
  max-width: 10rem;
  margin-inline: auto;
  background: transparent;
}

.message-video {
  aspect-ratio: 1 / 1;
}

.message-audio {
  width: min(18rem, 100%);
}

.message-attachment {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: 0.875rem;
  background: rgba(17, 27, 33, 0.05);
  color: inherit;
  text-decoration: none;
}

body[data-theme="dark"] .message-attachment {
  background: rgba(255, 255, 255, 0.06);
}

.message-file-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.875rem;
  display: grid;
  place-items: center;
  background: rgba(0, 168, 132, 0.14);
  font-size: 1.2rem;
}

.message-file-body {
  min-width: 0;
  display: grid;
  gap: 0.125rem;
}

.message-file-body strong,
.message-file-body span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-file-body span {
  font-size: 0.75rem;
  color: var(--muted);
}

.composer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  background: var(--header);
  padding: 0.875rem 1rem;
  border-top: 0.0625rem solid var(--stroke);
}

.composer-left {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.composer-action-group {
  position: relative;
}

.attachment-menu {
  min-width: 12rem;
}

.composer-field {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  min-width: 0;
}

.composer-attachment {
  grid-column: 1 / -1;
}

.composer-attachment[hidden] {
  display: none;
}

.composer-attachment-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.875rem;
  align-items: center;
  padding: 0.75rem 0.875rem;
  border-radius: 1rem;
  border: 0.0625rem solid var(--stroke);
  background: var(--panel);
}

.composer-attachment-preview {
  width: 4rem;
  height: 4rem;
  border-radius: 0.875rem;
  background: rgba(102, 119, 129, 0.08);
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}

.composer-image-preview,
.composer-video-preview,
.composer-sticker-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.composer-sticker-preview {
  object-fit: contain;
  padding: 0.25rem;
}

.composer-audio-preview {
  width: 100%;
}

.composer-file-icon {
  font-size: 1.25rem;
}

.composer-attachment-body {
  min-width: 0;
  display: grid;
  gap: 0.1875rem;
}

.composer-attachment-body strong,
.composer-attachment-body span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-attachment-body span {
  color: var(--muted);
  font-size: 0.75rem;
}

.composer .ghost {
  padding: 0.5625rem 0.75rem;
  font-size: 0.75rem;
  color: var(--muted);
  border-color: transparent;
}

.composer .ghost:hover {
  color: var(--ink);
}

.composer .ghost.danger {
  color: #b42318;
  background: rgba(180, 35, 24, 0.08);
}

body[data-theme="dark"] .composer .ghost.danger {
  color: #ffb4a9;
}

.emoji-toggle {
  width: 2.875rem;
  height: 2.875rem;
  border-radius: 50%;
  border: 0.0625rem solid transparent;
  background: var(--panel);
  color: var(--muted);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.emoji-toggle:hover {
  color: var(--ink);
  border-color: rgba(0, 168, 132, 0.16);
}

.emoji-toggle[aria-expanded="true"] {
  color: var(--accent-dark);
  border-color: rgba(0, 168, 132, 0.22);
}

.emoji-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

.composer-field input {
  flex: 1;
  width: 100%;
  min-width: 0;
  min-height: 2.875rem;
  border: 0.0625rem solid transparent;
  background: var(--panel);
  border-radius: 0.75rem;
  font-size: 0.875rem;
  outline: none;
  color: var(--ink);
  padding: 0.75rem 1rem;
}

.composer-field input:focus {
  border-color: rgba(0, 168, 132, 0.25);
}

.composer-field input::placeholder {
  color: var(--muted);
}

.emoji-picker {
  position: absolute;
  left: 0;
  bottom: calc(100% + 0.75rem);
  width: min(18.5rem, 100%);
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 0.75rem;
  border-radius: 1rem;
  border: 0.0625rem solid var(--stroke);
  background: var(--panel);
  box-shadow: var(--shadow);
  z-index: 4;
}

.emoji-picker[hidden] {
  display: none;
}

.emoji-option {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 0.75rem;
  background: transparent;
  color: inherit;
  font-size: 1.25rem;
  display: grid;
  place-items: center;
}

.emoji-option:hover {
  background: var(--panel-strong);
}