/* Chat Screen */
.chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    overflow: hidden;
    width: 100%;
    height: 100%;
}

/* Chat Tabs */
.chat-tabs {
    display: flex;
    background: white;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 8px;
    min-height: 48px;
    align-items: flex-end;
}

.chat-tabs::-webkit-scrollbar {
    height: 4px;
}

.chat-tab {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    cursor: pointer;
    transition: all 0.2s;
    margin-right: 4px;
    min-width: 120px;
    max-width: 200px;
    position: relative;
    white-space: nowrap;
}

.chat-tab:hover {
    background: var(--bg-secondary);
}

.chat-tab.active {
    background: white;
    border-color: var(--primary);
    border-bottom-color: white;
    color: var(--primary);
    font-weight: 500;
    z-index: 1;
    margin-bottom: -1px;
}

.chat-tab-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 14px;
    margin-right: 8px;
}

.chat-tab-close {
    width: 18px;
    height: 18px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    line-height: 1;
    padding: 0;
    transition: all 0.2s;
    flex-shrink: 0;
}

.chat-tab-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.chat-tab-content {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.chat-tab-content.active {
    display: flex;
}

.messages {
    flex: 1;
    max-height: 100%;
    overflow-y: auto;
    padding: 32px 16px;
    /* 메시지가 왼쪽 여백에 가까워지도록 padding-left/right를 16px로 감소 */
    padding-top: 32px;
    padding-bottom: 0;
    /* No bottom padding when example-questions is visible */
    background: var(--bg-tertiary);
    min-height: 0;
}

/* system 메시지 1개와 example-questions가 표시될 때 messages 축소 허용 */
.messages:has(.message:only-child.system) {
    flex: 0 1 auto;
}

/* When messages has content, add bottom padding */
.messages:not(:empty) {
    padding-bottom: 32px;
}

.message {
    margin-bottom: 24px;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
    animation: fadeIn 0.3s ease;
}

/* example-questions에 가까워지도록 시스템 메시지의 margin-bottom 감소 */
.message.system {
    margin-bottom: 0px;
}

/* system message의 avatar는 숨기지만 레이아웃을 위해 크기 유지 */
.message.system .message-avatar {
    visibility: hidden;
}

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

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

.message.user .message-wrapper {
    align-items: flex-end;
}

.message.bot .message-wrapper,
.message.assistant .message-wrapper {
    align-items: flex-start;
}

.message-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1;
    max-width: 100%;
    /* 메시지가 왼쪽 여백에 가까워지도록 불필요한 간격 제거 */
}

.message-content {
    max-width: 80%;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.4;
    font-size: 14px;
    white-space: pre-wrap;
    overflow-wrap: break-word;
}

/* 시스템 메시지(system)의 padding-left 감소하여 텍스트가 왼쪽 여백에 가까워지도록 - 높은 우선순위를 위해 여기에 배치 */
.message.system .message-content,
.message.bot.system .message-content,
.message.assistant.system .message-content {
    padding-left: 18px !important;
    padding-right: 18px !important;
    padding-top: 14px !important;
    padding-bottom: 14px !important;
    max-width: 100% !important;
}

/* bot/assistant용 특별 CSS 제거 - 이제 모두 max-width: 75% 사용 */

/* message-content 내 이미지가 더 크게 표시되도록 허용 */
.message-content .message-images {
    max-width: 100%;
    width: 100%;
}

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
    color: white;
}

.message-avatar.avatar-user {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.message-avatar.avatar-bot {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

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

.message.bot .message-content,
.message.assistant .message-content {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-sm);
}

/* Markdown styling for assistant messages */
.message.bot .message-content.markdown-content,
.message.assistant .message-content.markdown-content {
    white-space: normal;
}

.message.bot .message-content.markdown-content h1,
.message.bot .message-content.markdown-content h2,
.message.bot .message-content.markdown-content h3,
.message.bot .message-content.markdown-content h4,
.message.bot .message-content.markdown-content h5,
.message.bot .message-content.markdown-content h6,
.message.assistant .message-content.markdown-content h1,
.message.assistant .message-content.markdown-content h2,
.message.assistant .message-content.markdown-content h3,
.message.assistant .message-content.markdown-content h4,
.message.assistant .message-content.markdown-content h5,
.message.assistant .message-content.markdown-content h6 {
    margin-top: 0.6em;
    margin-bottom: 0.3em;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.message.bot .message-content.markdown-content h1 {
    font-size: 1.5em;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0.3em;
}

.message.bot .message-content.markdown-content h2,
.message.assistant .message-content.markdown-content h2 {
    font-size: 1.3em;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.3em;
}

.message.bot .message-content.markdown-content h3,
.message.assistant .message-content.markdown-content h3 {
    font-size: 1.15em;
}

.message.bot .message-content.markdown-content h4,
.message.assistant .message-content.markdown-content h4 {
    font-size: 1.05em;
}

.message.bot .message-content.markdown-content p,
.message.assistant .message-content.markdown-content p {
    margin: 0.3em 0;
    line-height: 1.5;
}

.message.bot .message-content.markdown-content ul,
.message.bot .message-content.markdown-content ol,
.message.assistant .message-content.markdown-content ul,
.message.assistant .message-content.markdown-content ol {
    margin: 0.3em 0;
    padding-left: 1.8em;
    line-height: 1.5;
}

.message.bot .message-content.markdown-content li,
.message.assistant .message-content.markdown-content li {
    margin: 0.2em 0;
}

.message.bot .message-content.markdown-content ul li,
.message.assistant .message-content.markdown-content ul li {
    list-style-type: disc;
}

.message.bot .message-content.markdown-content ol,
.message.assistant .message-content.markdown-content ol {
    list-style-type: none;
    padding-left: 0;
    counter-reset: list-counter;
}

.message.bot .message-content.markdown-content ol li,
.message.assistant .message-content.markdown-content ol li {
    position: relative;
    padding-left: 1.8em;
    counter-increment: list-counter;
}

.message.bot .message-content.markdown-content ol li::before,
.message.assistant .message-content.markdown-content ol li::before {
    content: attr(data-number) ". ";
    position: absolute;
    left: 0;
    font-weight: 600;
    color: var(--text-primary);
}

.message.bot .message-content.markdown-content ul ul,
.message.bot .message-content.markdown-content ol ol,
.message.bot .message-content.markdown-content ul ol,
.message.bot .message-content.markdown-content ol ul,
.message.assistant .message-content.markdown-content ul ul,
.message.assistant .message-content.markdown-content ol ol,
.message.assistant .message-content.markdown-content ul ol,
.message.assistant .message-content.markdown-content ol ul {
    margin-top: 0.2em;
    margin-bottom: 0.2em;
}

.message.bot .message-content.markdown-content strong,
.message.bot .message-content.markdown-content b,
.message.assistant .message-content.markdown-content strong,
.message.assistant .message-content.markdown-content b {
    font-weight: 700;
    color: var(--text-primary);
}

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

.message.bot .message-content.markdown-content code,
.message.assistant .message-content.markdown-content code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    color: var(--primary);
}

.message.bot .message-content.markdown-content pre,
.message.assistant .message-content.markdown-content pre {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 0.5em 0;
    border: 1px solid var(--border);
}

.message.bot .message-content.markdown-content pre code,
.message.assistant .message-content.markdown-content pre code {
    background: transparent;
    padding: 0;
    color: var(--text-primary);
    font-size: 0.9em;
}

.message.bot .message-content.markdown-content blockquote,
.message.assistant .message-content.markdown-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 1em;
    margin: 0.5em 0;
    color: var(--text-secondary);
    font-style: italic;
}

.message.bot .message-content.markdown-content hr,
.message.assistant .message-content.markdown-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0.8em 0;
}

.message.bot .message-content.markdown-content table,
.message.assistant .message-content.markdown-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 0.5em 0;
    font-size: 0.95em;
}

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

.message.bot .message-content.markdown-content table th,
.message.assistant .message-content.markdown-content table th {
    background: var(--bg-tertiary);
    font-weight: 600;
}

.message.bot .message-content.markdown-content a,
.message.assistant .message-content.markdown-content a {
    color: var(--primary);
    text-decoration: none;
}

.message.bot .message-content.markdown-content a:hover,
.message.assistant .message-content.markdown-content a:hover {
    text-decoration: underline;
}

.message-time {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 6px;
    padding: 0 8px;
    font-weight: 400;
}

/* Typing Indicator Styles */
.typing-indicator {
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.typing-content {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px !important;
}

.typing-text {
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
}

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

.typing-dots .dot {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: typingDot 1.4s infinite ease-in-out;
}

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

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

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

@keyframes typingDot {
    0%, 60%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    30% {
        transform: scale(1.3);
        opacity: 1;
    }
}

/* Message Images */
.message-images {
    margin-top: 16px;
    margin-bottom: 0;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    width: 100%;
    overflow: visible; /* 이미지가 완전히 표시되도록 허용 */
}

.images-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 100%;
    align-items: flex-start; /* Align items to top */
    /* 이미지가 자체 크기를 결정하도록 grid 대신 flex 사용 */
}

.image-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: visible; /* 이미지가 완전히 표시되도록 허용 */
    border: 1px solid var(--border);
    cursor: pointer;
    background: var(--bg-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    flex: 0 0 auto; /* 늘어나지 않음, 내용에 따른 크기 */
    max-width: 100%; /* 컨테이너와 동일한 최대 제한 */
}

.image-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
    border-color: var(--primary);
}

.image-item:active {
    transform: translateY(-2px);
}

.image-wrapper {
    position: relative;
    width: 100%;
    overflow: visible; /* 이미지가 완전히 표시되도록 허용 */
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    /* 고정된 aspect-ratio 설정하지 않음, 이미지가 자체 크기 결정 */
    padding: 0; /* 이미지가 축소되지 않도록 padding 제거 */
}

.image-wrapper img {
    width: auto;
    height: auto;
    max-width: 600px; /* 최대 제한이지만 선명하게 표시할 수 있을 만큼 충분히 큼 */
    max-height: none; /* 높이 제한 없음 */
    min-width: 200px; /* 최소 너비 */
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
}

.image-item:hover .image-wrapper img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    pointer-events: none;
}

.image-item:hover .image-overlay {
    background: rgba(0, 0, 0, 0.3);
}

.image-view-icon {
    font-size: 24px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.image-item:hover .image-view-icon {
    opacity: 1;
    transform: scale(1);
}

.image-caption {
    padding: 10px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    background: white;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: break-word;
    border-top: 1px solid var(--border);
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sources {
    margin-top: 8px;
    padding: 8px 12px;
    background: #FFF9E6;
    border: 1px solid #FFE082;
    border-radius: var(--radius-sm);
    font-size: 11px;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.sources-title {
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sources-title.sources-collapsible {
    margin-bottom: 0;
    padding: 4px 6px;
    background: rgba(255, 193, 7, 0.1);
    border-radius: 3px;
    transition: background 0.2s ease;
}

.sources-title.sources-collapsible:hover {
    background: rgba(255, 193, 7, 0.2);
}

.sources-toggle {
    display: inline-block;
    width: 10px;
    font-size: 9px;
    transition: transform 0.2s ease;
    color: #F57C00;
    font-weight: bold;
}

.sources-content {
    margin-top: 6px;
    padding-top: 4px;
}

.source-item {
    margin: 4px 0;
    color: var(--text-secondary);
    padding-left: 6px;
    border-left: 2px solid #FFC107;
    font-size: 11px;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    word-spacing: normal;
    max-width: 100%;
}

/* Example Questions */
.example-questions {
    flex: 1;
    overflow-y: auto;
    padding: 24px 16px;
    /* .messages와 padding-left/right 동기화 (16px) */
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border);
}


.example-questions-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
    text-align: center;
}

.example-questions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}

.example-question-item {
    padding: 16px 20px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    position: relative;
    padding-left: 48px;
}

.example-question-item::before {
    content: "💬";
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
}

.example-question-item:hover {
    background: var(--bg-secondary);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.example-question-item:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.input-area {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    background: white;
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.input-field {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    resize: none;
    min-height: 48px;
    max-height: 120px;
    font-family: inherit;
    transition: all 0.2s;
    background: var(--bg-tertiary);
}

.input-field:focus {
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(36, 107, 253, 0.1);
}

/* Upload Screen */
.upload-header {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.upload-header h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.upload-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 64px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: white;
    margin-bottom: 24px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    box-sizing: border-box;
}

/* Upload area inside modal */
.modal-body .upload-area {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    width: 100%;
    box-sizing: border-box;
}

.upload-area:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

.upload-area.dragover {
    background: var(--primary-light);
    border-color: var(--primary);
    transform: scale(1.01);
}

.upload-area-text {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.upload-area-subtext {
    font-size: 13px;
    color: var(--text-secondary);
}

.processing-steps {
    background: white;
    padding: 24px 32px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

/* Processing steps inside modal - reduce padding */
.modal-body .processing-steps {
    padding: 1rem 1.5rem;
    margin-bottom: 0;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    box-sizing: border-box;
}

.step {
    display: flex;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.step:last-child {
    border-bottom: none;
}

.step-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.step-icon.pending {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    border: 2px solid var(--border);
}

.step-icon.processing {
    background: var(--primary);
    color: white;
    animation: pulse 1.5s infinite;
}

.step-icon.completed {
    background: var(--success);
    color: white;
}

.step-icon.error {
    background: var(--error);
    color: white;
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1;
        transform: scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.step-info {
    flex: 1;
}

.step-name {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
    font-size: 14px;
}

.step-log {
    font-size: 12px;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    margin-top: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.4s ease;
    border-radius: 2px;
}

/* Document Management */
.doc-management-container {
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.doc-header-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 16px;
}

.doc-upload-btn {
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.doc-upload-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.doc-upload-btn:active {
    transform: translateY(0);
}

.doc-toolbar {
    background: white;
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.doc-toolbar-left {
    display: flex;
    gap: 12px;
    flex: 1;
    min-width: 300px;
}

.doc-toolbar-right {
    display: flex;
    gap: 12px;
    align-items: center;
}

.doc-search {
    flex: 1;
    max-width: 400px;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-tertiary);
    transition: all 0.2s;
}

.doc-search:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(36, 107, 253, 0.1);
}

.doc-filter {
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
}

.doc-filter:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(36, 107, 253, 0.1);
}

.doc-stats {
    display: flex;
    gap: 24px;
    align-items: center;
    font-size: 14px;
    color: var(--text-secondary);
}

.doc-table {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    width: 100%;
}

.doc-table-wrapper {
    overflow-x: auto;
}

table, .data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

th, td {
    padding: 16px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
    text-align: center;
}

th:hover {
    background: var(--border);
}

th.sortable::after {
    content: ' ↕';
    opacity: 0.3;
    font-size: 12px;
}

th.sort-asc::after {
    content: ' ↑';
    opacity: 1;
    color: var(--primary);
}

th.sort-desc::after {
    content: ' ↓';
    opacity: 1;
    color: var(--primary);
}

/* Action column header - no text transform */
th:last-child {
    text-transform: none;
    cursor: default;
}

th:last-child:hover {
    background: var(--bg-tertiary);
}

tr {
    transition: background 0.2s;
}

tr:hover {
    background: var(--bg-tertiary);
}

.doc-name-cell {
    font-weight: 500;
    color: var(--text-primary);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.doc-name-cell:hover {
    color: var(--primary);
    cursor: pointer;
}

/* Settings Screen */
/* Settings Screen - Sidebar Layout */
#settingsScreen {
    padding: 0;
    margin: 0;
    height: 100%;
    overflow: hidden;
}

.settings-container {
    display: flex;
    height: 100%;
    background: var(--bg-primary);
    overflow: hidden;
}

.settings-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: white;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.settings-sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.settings-sidebar-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.5px;
}

.settings-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.settings-nav-item {
    width: 100%;
    padding: 14px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.settings-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.settings-nav-item.active {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.settings-nav-item .nav-item-label {
    flex: 1;
}

.settings-sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.settings-save-all {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
}

.settings-content {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-primary);
    padding: 0;
}

.settings-content-section {
    display: none;
    height: 100%;
    padding: 32px 48px;
    animation: fadeIn 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.settings-content-section.active {
    display: block;
}

.settings-content-header {
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
    width: 100%;
}

.settings-content-header h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    letter-spacing: -0.5px;
}

.settings-content-header p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.settings-content-body {
    width: 100%;
    max-width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

@media (min-width: 1800px) {
    .form-row {
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }
}

@media (max-width: 1400px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 1000px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.template-list-container {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: white;
    max-height: calc(100vh - 300px);
    min-height: 400px;
    overflow-y: auto;
    padding: 20px;
    width: 100%;
}

.template-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 16px;
    background: var(--bg-secondary);
    transition: all 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

.template-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.template-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 16px;
    gap: 16px;
}

.template-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.template-item-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.template-item-meta {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.template-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.template-badge-default {
    background: var(--primary);
    color: white;
}

.template-badge-system {
    background: var(--text-secondary);
    color: white;
}

.template-badge-category {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 500;
}

.template-item-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.template-item-actions .save-btn {
    font-size: 12px;
    padding: 6px 14px;
    min-width: auto;
}

/* Legacy styles for backward compatibility */
.settings-section {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.settings-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
}