:root {
  --bg-color: #121214;
  --container-bg: #1a1a1e;
  --border-color: #2c2c35;
  --text-color: #e4e4e7;
  --primary-color: #3b82f6;
  --my-msg-bg: #1e3a8a;
  --other-msg-bg: #232329;
  --meta-color: #a1a1aa;
}
* {
  font-family: "Segoe UI", Roboto, sans-serif;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  width: 100%;
  height: 100vh;
  background: linear-gradient(#00fff7, #0078f8);
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
}
.ctt24{
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  color: white;
}
.chat-container {
  width: 80%;
  height: 90vh;
  background: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}
@media screen and (max-width: 400px) {
  .chat-container {
    width: 95%;
    height: 90vh;
  }
}
.chat-header {
  padding: 20px;
  background-color: #1e1e24;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.config-area {
  display: flex;
  gap: 10px;
  align-items: center;
}
.config-area input {
  background: #27272a;
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  outline: none;
  font-size: 0.9rem;
}
.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message-row {
  display: flex;
  flex-direction: column;
  width: 100%;
  animation: fadeIn 0.2s ease-in-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-card {
  padding: 12px 16px;
  border-radius: 8px;
  max-width: 75%;
  word-break: break-all;
}

.row-other {
  align-items: flex-start;
}
.row-other .message-card {
  background-color: var(--other-msg-bg);
  border: 1px solid #2d2d34;
}
.row-other .message-user {
  color: #60a5fa;
  font-weight: bold;
}

.row-me {
  align-items: flex-end;
}
.row-me .message-card {
  background-color: var(--my-msg-bg);
  border: 1px solid #2563eb;
}
.row-me .message-user {
  color: #34d399;
  font-weight: bold;
}

.message-meta {
  font-size: 0.75rem;
  color: var(--meta-color);
  margin-bottom: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.row-me .message-meta {
  align-items: flex-end;
}

.row-other .message-meta {
  align-items: flex-start;
}

.chat-input-area {
  padding: 20px;
  background-color: #1e1e24;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 18px;
}
.chat-input-area textarea {
  flex: 1;
  background-color: #27272a;
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 12px;
  border-radius: 8px;
  resize: none;
  outline: none;
  height: 44px;
  font-family: inherit;
}
.chat-input-area textarea:focus {
  border-color: var(--primary-color);
}
.chat-input-area button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0 24px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s;
}
.chat-input-area button:hover {
  background-color: var(--primary-hover);
}