/* AI Chat Interface Styles */
.chat-interface {
    padding-top: 0;
    min-height: 100vh;
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
}

.chat-container {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    padding: 24px;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    flex: 1;
    margin-top: 80px;
    margin-bottom: 20px;
}

.chat-main {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
    min-height: 650px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: linear-gradient(to bottom, var(--bg-color) 0%, var(--bg-secondary) 100%);
    min-height: 400px; /* Add this */
}

.chat-history {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
    min-height: 650px;
}

.chat-history-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.chat-history-header h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin: 0;
}

.new-chat-btn {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--accent-color));
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.new-chat-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.chat-history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-item {
    padding: 12px;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.history-item:hover {
    background-color: var(--bg-color);
    border-color: var(--border-color);
}

.history-item.active {
    background-color: var(--bg-color);
    border-color: var(--accent-color);
}

.history-title {
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.chat-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 16px;
}

.chat-history-toggle {
    display: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-history-toggle:hover {
    background: var(--bg-color);
}

.chat-title-area h2 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin: 0 0 4px 0;
}

.chat-title-area .chat-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

[data-theme="day"] .chat-messages {
    background: linear-gradient(to bottom, var(--day-bg-primary) 0%, var(--day-bg-secondary) 100%);
}

.message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    animation: slideIn 0.3s ease-out;
}

.message.user-message {
    flex-direction: row-reverse;
    justify-content: flex-start;
}

.message-content {
    flex: 1;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 18px 18px 18px 4px;
    padding: 1rem 1.25rem;
    max-width: 70%;
    box-shadow: var(--shadow-sm);
    word-wrap: break-word;
}

.user-message .message-content {
    background: var(--accent-color);
    border: none;
    border-radius: 18px 18px 4px 18px;
    margin-left: 0;
    margin-right: 0;
}

[data-theme="light"] .user-message .message-content {
    background: var(--accent-color);
}

.message-text {
    color: var(--text-color);
    line-height: 1.6;
    font-size: 0.95rem;
}

.user-message .message-text {
    color: white;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.user-message .message-avatar {
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-primary);
}

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

.user-message .message-text {
    color: white;
}

.message-text {
    color: var(--text-color);
    line-height: 1.6;
}

.message-text ul {
    margin: 12px 0;
    padding-left: 24px;
}

.message-text li {
    margin: 8px 0;
}

.message-text strong {
    color: var(--accent-color);
    font-weight: 600;
}

.user-message .message-text strong {
    color: white;
}

.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 8px 16px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: translateY(-2px);
}

.chat-input-area {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.chat-input-container {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 8px;
}

.chat-input {
    flex: 1;
    padding: 14px 20px;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 168, 232, 0.1);
}

.chat-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.send-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color));
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.send-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.send-btn:active {
    transform: scale(0.95);
}

.send-icon {
    display: inline-block;
}

.chat-footer-info {
    text-align: center;
}

.chat-footer-info small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Scrollbar Styling for Chat Messages */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.chat-history::-webkit-scrollbar {
    width: 6px;
}

.chat-history::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

.chat-history::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

.chat-history::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.typing-indicator {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.typing-dots {
    display: flex;
    gap: 6px;
    padding: 1rem 1.25rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 18px 18px 18px 4px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-8px);
    }
}

.status-indicator {
    color: #4ade80;
    font-size: 0.7rem;
    margin-right: 0.3rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

/* Responsive Design for Chat */
@media (max-width: 1024px) {
    .chat-container {
        grid-template-columns: 1fr;
        height: calc(100vh - 100px);
    }

    .chat-history {
        display: none;
    }

    .chat-history-toggle {
        display: block;
    }

    .chat-history.mobile-active {
        display: flex;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 999;
        margin: 0;
        border-radius: 0;
        max-height: calc(100vh - 80px);
    }

    .message-content {
        max-width: 85%;
    }
}

@media (max-width: 768px) {
    .chat-interface {
        padding-top: 70px;
    }

    .chat-container {
        padding: 12px;
        height: calc(100vh - 90px);
    }

    .chat-messages {
        padding: 16px;
        gap: 16px;
    }

    .chat-header {
        padding: 16px;
    }

    .chat-title-area h2 {
        font-size: 1.2rem;
    }

    .chat-title-area .chat-subtitle {
        font-size: 0.8rem;
    }

    .chat-input-area {
        padding: 16px;
    }

    .chat-input-container {
        gap: 8px;
    }

    .chat-input {
        padding: 12px 16px;
        font-size: 0.95rem;
    }

    .send-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    .message-content {
        max-width: 90%;
        padding: 12px 16px;
    }

    .message-avatar {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .message-actions {
        flex-direction: column;
    }

    .action-btn {
        width: 100%;
        text-align: center;
    }

    .message-text {
        font-size: 0.95rem;
    }

    .message-text ul {
        padding-left: 20px;
    }
}

@media (max-width: 480px) {
    .chat-container {
        padding: 8px;
        gap: 0;
    }

    .chat-main {
        border-radius: 10px;
    }

    .chat-footer-info small {
        font-size: 0.7rem;
    }
}