:root {
    --primary-blue: #2B5F9E;
    --secondary-blue: #4A90C7;
    --light-blue: #E8F2FF;
    --cyan: #17A2B8;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-600: #6C757D;
    --gray-800: #343A40;
    --100vh: 100vh;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--gray-100);
    overflow-x: hidden;
}

.chat-container {
    height: var(--100vh);
    display: flex;
}

.sidebar {
    width: 300px;
    background: white;
    border-right: 1px solid var(--gray-300);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-300);
}

.logo {
    text-align: center;
    margin-bottom: 10px;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.search-box {
    position: relative;
    margin-bottom: 15px;
}

.search-input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    border: 1px solid var(--gray-300);
    border-radius: 25px;
    background: var(--gray-100);
    outline: none;
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-600);
}

.new-chat-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.new-chat-btn:hover {
    background: var(--secondary-blue);
    transform: translateY(-1px);
}

.conversations-list {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.conversation-group {
    margin-bottom: 25px;
}

.group-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    margin-bottom: 10px;
    padding-left: 5px;
}

.conversation-item {
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 5px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.conversation-item:hover {
    background: var(--light-blue);
    border-color: var(--secondary-blue);
}

.conversation-item.active {
    background: var(--light-blue);
    border-color: var(--primary-blue);
}

.conversation-title {
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conversation-preview {
    font-size: 12px;
    color: var(--gray-600);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-footer {
    padding: 15px;
    border-top: 1px solid var(--gray-300);
}

.user-profile {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    margin-right: 12px;
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 2px;
    text-overflow: ellipsis;
    max-width: 167px;
    overflow: hidden;
}

.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
}

.chat-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-300);
    background: white;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--primary-blue);
    margin-right: 15px;
}

.chat-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.chat-subtitle {
    font-size: 14px;
    color: var(--gray-600);
    margin: 2px 0 0 0;
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #FAFBFC;
}

.message {
    margin-bottom: 20px;
    display: flex;
    animation: fadeInUp 0.3s ease;
}

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

.message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    position: relative;
}

.message.ai .message-content {
    background: white;
    border: 1px solid var(--gray-300);
    border-bottom-left-radius: 4px;
}

.message.user .message-content {
    background: var(--primary-blue);
    color: white;
    border-bottom-right-radius: 4px;
}

.message-time {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 5px;
    text-align: right;
}

.message.ai .message-time {
    text-align: left;
}

.file-preview-area {
    margin-bottom: 15px;
    display: none;
    padding: 10px;
    gap: 10px;
    flex-wrap: wrap;
    background: var(--gray-100);
    border-radius: 8px;
    border: 1px solid var(--gray-300);
}

.file-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.file-preview-item {
    background: white;
    border: 1px solid var(--secondary-blue);
    border-radius: 8px;
    padding: 10px;
    display: flex;
    align-items: center;
    position: relative;
    width: 150px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.file-preview-item:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transform: translateY(-1px);
}

.file-preview-item .file-icon {
    width: 32px;
    height: 32px;
    background: var(--secondary-blue);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 10px;
    flex-shrink: 0;
    font-size: 14px;
}

.file-preview-item .file-info {
    flex: 1;
    min-width: 0;
}

.file-preview-item .file-name {
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    line-height: 1.2;
}

.file-preview-item .file-size {
    font-size: 11px;
    color: var(--gray-600);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-remove-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.file-remove-btn:hover {
    background: #dc3545;
    transform: scale(1.1);
}
.file-preview-in-message {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.file-preview-in-message .file-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 12px;
    flex-shrink: 0;
    font-size: 14px;
}

.file-preview-in-message .file-info {
    flex: 1;
    min-width: 0;
}

.file-preview-in-message .file-name {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    line-height: 1.2;
}

.file-preview-in-message .file-size {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.75);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .file-preview-item {
        max-width: 100%;
        min-width: auto;
    }

    .file-preview-container {
        gap: 8px;
    }

    .file-preview-item {
        padding: 8px;
    }

    .file-preview-item .file-icon {
        width: 28px;
        height: 28px;
        font-size: 12px;
        margin-right: 8px;
    }

    .file-preview-item .file-name {
        font-size: 12px;
    }

    .file-preview-item .file-size {
        font-size: 10px;
    }
}

.file-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 0 2px;
}

.file-count {
    font-size: 12px;
    color: var(--gray-600);
    font-weight: 500;
}

.clear-all-files {
    font-size: 11px;
    color: var(--primary-blue);
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.clear-all-files:hover {
    background: var(--light-blue);
    color: var(--secondary-blue);
}

.message-input-container {
    padding: 20px;
    background: white;
    border-top: 1px solid var(--gray-300);
}

.message-input-group {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.message-input {
    flex: 1;
    border: 1px solid var(--gray-300);
    border-radius: 25px;
    padding: 12px 20px;
    resize: none;
    outline: none;
    min-height: 48px;
    max-height: 120px;
    font-family: inherit;
}

.message-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(43, 95, 158, 0.1);
}

.input-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    background: var(--gray-300);
    transform: scale(1.05);
}

.send-btn {
    background: var(--primary-blue);
    color: white;
}

.send-btn:hover {
    background: var(--secondary-blue);
}

.send-btn:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
    transform: none;
}

.drop-zone {
    border: 2px dashed var(--gray-300);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    color: var(--gray-600);
    transition: all 0.3s ease;
    margin-bottom: 20px;
    display: none;
}

.drop-zone.active {
    border-color: var(--primary-blue);
    background: var(--light-blue);
    color: var(--primary-blue);
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-300);
    border-radius: 50%;
    border-top-color: var(--primary-blue);
    animation: spin 1s ease-in-out infinite;
}

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

.conversations-list::-webkit-scrollbar,
.messages-container::-webkit-scrollbar {
    width: 6px;
}

.conversations-list::-webkit-scrollbar-track,
.messages-container::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.conversations-list::-webkit-scrollbar-thumb,
.messages-container::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 3px;
}

.conversations-list::-webkit-scrollbar-thumb:hover,
.messages-container::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -300px;
        top: 0;
        height: var(--100vh);
        z-index: 1000;
        box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }

    .sidebar.open {
        left: 0;
    }

    .chat-header {
        display: flex;
        justify-content: space-between;
        text-align: right;
    }

    .chat-area {
        width: 100%;
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .message-content {
        max-width: 100%;
    }

    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 999;
        display: none;
    }

    .overlay.show {
        display: block;
    }
}

@media (max-width: 480px) {
    .chat-header {
        align-items: center;
    }
    .chat-header > div {
        height: fit-content;
    }
    .chat-title{
        max-width: 290px;
        text-overflow: ellipsis;
        overflow: hidden;
        white-space: nowrap;
    }
    .chat-subtitle {
        display: none;
    }
    .message-content {
        max-width: 100%;
    }

    .message-input-container {
        padding: 15px;
    }

    .sidebar {
        width: 280px;
        left: -280px;
    }

    .file-preview-in-message {
        padding: 8px;
    }

    .file-preview-in-message .file-icon {
        width: 32px;
        height: 32px;
        margin-right: 10px;
        font-size: 12px;
    }

    .file-preview-in-message .file-name {
        font-size: 12px;
    }

    .file-preview-in-message .file-size {
        font-size: 10px;
    }
}

.welcome-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.welcome-header {
    margin-bottom: 50px;
}

.welcome-logo {
    margin-bottom: 25px;
}

.welcome-logo img {
    height: 100px;
    filter: drop-shadow(0 4px 10px rgba(43, 95, 158, 0.2));
}

.welcome-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 20px;
    font-weight: 500;
}

.welcome-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(43, 95, 158, 0.3);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.capability-card {
    background: white;
    border-radius: 12px;
    padding: 30px 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(43, 95, 158, 0.15);
}

.capability-card:hover::before {
    transform: scaleX(1);
}

.capability-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--light-blue), #f8f9fa);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.capability-card:hover .capability-icon {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    transform: scale(1.1);
}

.capability-icon i {
    font-size: 28px;
    color: var(--primary-blue);
    transition: all 0.3s ease;
}

.capability-card:hover .capability-icon i {
    color: white;
}

.capability-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.capability-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

.quick-start {
    background: linear-gradient(135deg, var(--light-blue), #f8f9fa);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid var(--gray-200);
}

.quick-start-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 25px;
}

.quick-start-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
}

.quick-action-btn:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(43, 95, 158, 0.3);
}

.welcome-footer {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

.welcome-note {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.welcome-note i {
    color: var(--primary-blue);
    margin-top: 2px;
    flex-shrink: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .welcome-container {
        padding: 30px 15px;
    }

    .welcome-title {
        font-size: 28px;
    }

    .welcome-subtitle {
        font-size: 16px;
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .quick-start-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .quick-action-btn {
        justify-content: center;
    }

    .welcome-note {
        text-align: center;
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .welcome-logo img {
        height: 80px;
    }

    .welcome-title {
        font-size: 24px;
    }

    .capability-card {
        padding: 25px 20px;
    }

    .quick-start {
        padding: 25px 20px;
    }
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.capability-card {
    animation: fadeInUp 0.6s ease forwards;
}

.capability-card:nth-child(1) { animation-delay: 0.1s; }
.capability-card:nth-child(2) { animation-delay: 0.2s; }
.capability-card:nth-child(3) { animation-delay: 0.3s; }
.capability-card:nth-child(4) { animation-delay: 0.4s; }

.quick-start {
    animation: fadeInUp 0.6s ease 0.5s forwards;
    opacity: 0;
}

.welcome-footer {
    animation: fadeInUp 0.6s ease 0.6s forwards;
    opacity: 0;
}
.empty-state {
    text-align: center;
    color: var(--gray-600);
}

.empty-state-icon {
    margin-bottom: 20px;
}

.empty-state-icon img {
    max-width: 200px;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 10px;
}

.empty-state-text {
    font-size: 14px;
    line-height: 1.5;
}

.typing-indicator {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    margin-bottom: 20px;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    max-width: 70%;
    animation: fadeInUp 0.3s ease;
}

.typing-dots {
    display: flex;
    gap: 4px;
    align-items: center;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--gray-600);
    border-radius: 50%;
    animation: typingDot 1.4s infinite;
}

.typing-dot:nth-child(1) {
    animation-delay: 0ms;
}

.typing-dot:nth-child(2) {
    animation-delay: 200ms;
}

.typing-dot:nth-child(3) {
    animation-delay: 400ms;
}

@keyframes typingDot {
    0%, 60%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }
    30% {
        transform: scale(1.2);
        opacity: 1;
    }
}

.typing-text {
    margin-left: 10px;
    color: var(--gray-600);
    font-style: italic;
    font-size: 14px;
}

.message-input:disabled {
    background-color: var(--gray-100);
    color: var(--gray-500);
    cursor: not-allowed;
    opacity: 0.6;
}

.input-actions .action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    margin: 16px 0 12px 0;
    font-weight: 600;
    line-height: 1.3;
    color: inherit;
}

.message-content h1 { font-size: 1.5em; }
.message-content h2 { font-size: 1.3em; }
.message-content h3 { font-size: 1.2em; }
.message-content h4 { font-size: 1.1em; }
.message-content h5 { font-size: 1.05em; }
.message-content h6 { font-size: 1em; }

.message-content p {
    margin: 12px 0;
    line-height: 1.6;
}

.message-content ul,
.message-content ol {
    margin: 12px 0;
    padding-left: 24px;
}

.message-content li {
    margin: 6px 0;
    line-height: 1.5;
}

.message-content ul li {
    list-style-type: disc;
}

.message-content ol li {
    list-style-type: decimal;
}

.message-content ul ul,
.message-content ol ol,
.message-content ul ol,
.message-content ol ul {
    margin: 6px 0;
}

.message-content blockquote {
    margin: 16px 0;
    padding: 12px 16px;
    border-left: 4px solid var(--secondary-blue);
    background: var(--light-blue);
    border-radius: 0 8px 8px 0;
    font-style: italic;
}

.message.user .message-content blockquote {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: rgba(255, 255, 255, 0.3);
}

.message-content code {
    background: var(--gray-200);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    color: var(--gray-800);
}

.message.user .message-content code {
    background: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.message-content pre {
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    line-height: 1.4;
}

.message.user .message-content pre {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.message-content pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    color: inherit;
}

.message-content strong,
.message-content b {
    font-weight: 600;
}

.message-content em,
.message-content i {
    font-style: italic;
}

.message-content a {
    color: var(--primary-blue);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.message.user .message-content a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration-color: rgba(255, 255, 255, 0.7);
}

.message-content a:hover {
    text-decoration-thickness: 2px;
    opacity: 0.8;
}

.message-content hr {
    border: none;
    border-top: 1px solid var(--gray-300);
    margin: 20px 0;
}

.message.user .message-content hr {
    border-top-color: rgba(255, 255, 255, 0.3);
}

.message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 0.9em;
}

.message-content table th,
.message-content table td {
    border: 1px solid var(--gray-300);
    padding: 8px 12px;
    text-align: left;
}

.message-content table th {
    background: var(--gray-100);
    font-weight: 600;
}

.message.user .message-content table th,
.message.user .message-content table td {
    border-color: rgba(255, 255, 255, 0.2);
}

.message.user .message-content table th {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .message-content {
        font-size: 14px;
    }

    .message-content pre {
        font-size: 0.8em;
        padding: 12px;
    }

    .message-content table {
        font-size: 0.8em;
    }

    .message-content table th,
    .message-content table td {
        padding: 6px 8px;
    }
}

.message-content > *:first-child {
    margin-top: 0;
}

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

.conversations-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
}

.conversations-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-300);
    border-radius: 50%;
    border-top-color: var(--primary-blue);
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

.conversations-loading-text {
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
}

.conversations-list.loading {
    overflow: hidden;
}

/* ========================================
   İÇTİHAT ENTEGRASYON SİSTEMİ STİLLERİ
   ======================================== */

/* İçtihat Arama Butonu */
#ictihatSearchBtn {
    background: linear-gradient(135deg, #2c5aa0, #1e3d72) !important;
    color: white !important;
    border: none !important;
    transition: all 0.3s ease;
}

#ictihatSearchBtn:hover {
    background: linear-gradient(135deg, #1e3d72, #163056) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(44, 90, 160, 0.3);
}

#ictihatSearchBtn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

#ictihatSearchBtn:focus {
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.3) !important;
}

/* Loading spinner animasyonu */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* İçtihat Mesaj İçeriği */
.ictihat-search-indicator {
    animation: fadeIn 0.3s ease-in;
}

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

/* İçtihat arama mesajı için özel stil */
.ictihat-searching-message .message-content {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef) !important;
    border-left: 4px solid #2c5aa0 !important;
}

/* Responsive tasarım */
@media (max-width: 768px) {
    #ictihatSearchBtn {
        min-width: 40px;
    }
    
    .ictihat-search-indicator {
        padding: 15px !important;
        margin: 5px 0 !important;
    }
}

/* Action buttons container için düzenleme */
.input-actions {
    display: flex;
    align-items: center;
    gap: 5px;
}

.action-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

/* ========================================
   İÇTİHAT STİLLERİ BİTİŞ
   ======================================== */