.chat-shell {
  min-height: 100vh;
}

.chat-page {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 88px;
}

.chat-join-panel,
.chat-room {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.chat-join-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 32px;
  align-items: center;
  padding: 34px;
}

.chat-join-panel h1,
.chat-room-head h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.06;
}

.chat-join-form {
  display: grid;
  gap: 14px;
}

.chat-join-form label,
.chat-compose {
  display: grid;
  gap: 8px;
}

.chat-join-form span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 850;
}

.chat-join-form input,
.chat-compose textarea,
.admin-input,
.admin-select {
  width: 100%;
  border: 1px solid rgba(60, 45, 54, 0.16);
  border-radius: 8px;
  padding: 12px 13px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  font: inherit;
  outline: none;
}

.chat-join-form input:focus,
.chat-compose textarea:focus,
.admin-input:focus,
.admin-select:focus {
  border-color: rgba(217, 93, 134, 0.56);
  box-shadow: 0 0 0 4px rgba(255, 183, 207, 0.28);
}

.chat-config-warning,
.chat-status {
  grid-column: 1 / -1;
  margin: 0;
  border: 1px solid rgba(217, 93, 134, 0.24);
  border-radius: 8px;
  padding: 12px 14px;
  background: rgba(255, 226, 235, 0.68);
  color: var(--ink);
  font-weight: 750;
}

.chat-room {
  overflow: hidden;
}

.chat-room-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding: 24px;
  background: linear-gradient(135deg, rgba(255, 226, 235, 0.72), rgba(231, 251, 244, 0.72));
}

.chat-window {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 420px;
  max-height: 58vh;
  overflow: auto;
  padding: 22px;
}

.message {
  display: grid;
  gap: 5px;
  max-width: 76%;
  justify-self: start;
}

.message.is-me {
  justify-self: end;
}

.message-meta {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

.message-bubble {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(153, 92, 112, 0.08);
  white-space: pre-wrap;
  word-break: break-word;
}

.message.is-me .message-bubble {
  background: #fff9e9;
}

.message-file {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  border: 1px solid rgba(60, 45, 54, 0.14);
  border-radius: 8px;
  padding: 8px 10px;
  background: rgba(231, 251, 244, 0.68);
  font-weight: 850;
}

.message-file-preview {
  display: block;
  max-width: min(420px, 100%);
  max-height: 280px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
}

.chat-compose {
  border-top: 1px solid var(--line);
  padding: 18px;
  background: rgba(255, 249, 233, 0.68);
}

.emoji-row,
.compose-actions,
.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.emoji-row button,
.file-picker span,
.admin-mini-button {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(60, 45, 54, 0.14);
  border-radius: 8px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.emoji-row button:hover,
.file-picker span:hover,
.admin-mini-button:hover {
  border-color: rgba(217, 93, 134, 0.42);
  background: #fff;
}

.chat-compose button:disabled {
  cursor: progress;
  opacity: 0.72;
  transform: none;
}

.file-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.file-name {
  color: var(--muted);
  font-size: 0.92rem;
}

.admin-page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 88px;
}

.admin-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 18px;
}

.admin-login-panel {
  display: grid;
  gap: 14px;
  max-width: 520px;
  margin: 0 auto 24px;
}

.admin-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 28px rgba(153, 92, 112, 0.08);
}

.admin-room-list,
.admin-message-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.admin-room-button {
  display: grid;
  gap: 3px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.admin-room-button strong {
  font-size: 1rem;
}

.admin-room-button span,
.admin-message time {
  color: var(--muted);
  font-size: 0.84rem;
}

.admin-message {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.76);
}

.admin-message-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

@media (max-width: 820px) {
  .chat-join-panel,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .chat-room-head {
    display: grid;
  }

  .message {
    max-width: 92%;
  }
}