/* ====================================
   CHAT INTERFACE
   ==================================== */

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.chat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 260px);
    min-height: 500px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* Messages Container */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Welcome Message */
.welcome-message {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: auto;
}

.welcome-message h2 {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
    color: var(--text);
}

.welcome-message p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* Message Bubble */
.message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-user {
    align-self: flex-end;
}

.message-assistant {
    align-self: flex-start;
}

.message-content {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    line-height: 1.6;
    word-wrap: break-word;
}

.message-user .message-content {
    background-color: var(--primary);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.message-assistant .message-content {
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    color: var(--text);
    border-bottom-left-radius: var(--radius-sm);
}

/* Message metadata */
.message-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
}

.message-user .message-meta {
    text-align: right;
}

/* Email button */
.email-btn {
    align-self: flex-start;
    margin-top: var(--spacing-sm);
    padding: 8px 16px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.email-btn:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
    color: var(--text);
}

/* Markdown in messages */
.message-content h1,
.message-content h2,
.message-content h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.message-content h1:first-child,
.message-content h2:first-child,
.message-content h3:first-child {
    margin-top: 0;
}

.message-content p {
    margin-bottom: var(--spacing-sm);
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul,
.message-content ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.message-content code {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    font-family: 'Monaco', 'Courier New', monospace;
}

.message-content pre {
    background-color: rgba(0, 0, 0, 0.4);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
}

.message-content pre code {
    background: none;
    padding: 0;
}

/* Input Container */
.input-container {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.input-options {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.context-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 11px;
    color: var(--text-secondary);
    user-select: none;
}

.context-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary);
}

.context-checkbox span {
    font-weight: 500;
    letter-spacing: 0.5px;
}

.input-row {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
}

#message-input {
    flex: 1;
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    min-height: 44px;
    max-height: 200px;
    transition: border-color var(--transition-fast);
}

#message-input:focus {
    outline: none;
    border-color: var(--primary);
}

#message-input::placeholder {
    color: var(--text-muted);
}

.send-btn {
    background-color: var(--primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    font-size: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.send-btn:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.send-btn:active:not(:disabled) {
    transform: translateY(0);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Loading indicator */
.loading-indicator {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.loading-indicator::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-md);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}