/* Color Palette - Light Mode */
:root {
    --primary-teal: #38b2aa;
    --primary-teal-dark: #2c8d87;
    --primary-teal-light: #4dc4bc;
    --complementary-coral: #b23844;
    --complementary-coral-light: #d14552;
    --accent-yellow: #f6b93b;
    --accent-purple: #7c3aed;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-dark: #2d3436;
    --text-gray: #636e72;
    --text-light: #ffffff;
    --border-color: #dfe6e9;
    --shadow-light: rgba(56, 178, 170, 0.1);
    --shadow-medium: rgba(56, 178, 170, 0.2);
}

/* Dark Mode */
[data-theme="dark"] {
    --primary-teal: #4dc4bc;
    --primary-teal-dark: #38b2aa;
    --primary-teal-light: #6dd4cc;
    --complementary-coral: #d14552;
    --complementary-coral-light: #e85664;
    --accent-yellow: #ffc947;
    --accent-purple: #9d6aff;
    --bg-white: #1a1a1a;
    --bg-light: #2d2d2d;
    --bg-secondary: #252525;
    --text-dark: #e0e0e0;
    --text-gray: #b0b0b0;
    --text-light: #ffffff;
    --border-color: #404040;
    --shadow-light: rgba(56, 178, 170, 0.15);
    --shadow-medium: rgba(56, 178, 170, 0.3);
}

/* Dark mode overrides for DXF analysis stats */
[data-theme="dark"] .stat-grid-compact {
    background: rgba(45, 45, 45, 0.8);
    border: 1px solid rgba(77, 196, 188, 0.3);
}

[data-theme="dark"] .stat-item-compact .label {
    color: #d0d0d0;
}

[data-theme="dark"] .stat-item-compact .value {
    color: #6dd4cc;
}

[data-theme="dark"] .perf-label {
    color: #e0e0e0;
}

[data-theme="dark"] .perf-label .name {
    color: #6dd4cc;
}

[data-theme="dark"] .perf-label .time {
    color: #ffc947;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    padding: 25px 20px;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-teal-dark) 100%);
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px var(--shadow-medium);
    position: relative;
}

/* Header Controls */
.header-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.theme-toggle,
.lang-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    min-width: 44px;
    height: 44px;
}

.theme-toggle:hover,
.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

.theme-toggle svg,
.lang-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.theme-toggle.active svg {
    transform: rotate(180deg);
}

.lang-toggle {
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 50px;
}

@media (max-width: 768px) {
    .header-controls {
        position: static;
        justify-content: center;
        margin-top: 15px;
    }
    
    header {
        padding-bottom: 15px;
    }
}

header h1 {
    color: var(--bg-white);
    font-size: 2rem;
    margin-bottom: 8px;
    font-weight: 700;
}

header .subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

/* Section */
.section {
    margin-bottom: 30px;
}

/* Upload Section */
.upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.upload-area {
    background: var(--bg-secondary);
    border: 3px dashed var(--primary-teal);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-teal-dark);
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--shadow-medium);
}

.upload-area.drag-over {
    background: var(--bg-light);
    border-color: var(--complementary-coral);
}

.upload-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    color: var(--primary-teal);
}

.upload-area h2 {
    color: var(--primary-teal);
    margin-bottom: 10px;
    font-size: 1.8rem;
}

.upload-area p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.file-info {
    font-size: 0.9rem;
    color: var(--primary-teal-dark);
    margin-top: 15px;
    padding: 10px 20px;
    background: rgba(56, 178, 170, 0.1);
    border-radius: 8px;
    border-left: 3px solid var(--primary-teal);
}

.file-info strong {
    color: var(--primary-teal);
}

/* Buttons */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

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

.btn-primary:hover {
    background: var(--primary-teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.btn-secondary {
    background: var(--complementary-coral);
    color: white;
    margin-top: 15px;
}

.btn-secondary:hover {
    background: var(--complementary-coral-light);
    transform: translateY(-2px);
}

/* Top Row: Thumbnail + Analysis Side by Side */
.top-row {
    display: flex;
    gap: 25px;
    margin-bottom: 30px;
}

@media (max-width: 1024px) {
    .top-row {
        flex-direction: column;
    }
}

/* Image Preview */
.image-preview-container {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px var(--shadow-light);
    border: 2px solid var(--border-color);
}

.image-preview-container h3 {
    color: var(--primary-teal);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.image-preview-container img {
    width: 100%;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    margin-bottom: 15px;
}

/* Questions Container - Full Width */
.questions-container-fullwidth {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px var(--shadow-light);
    border: 2px solid var(--border-color);
}

.questions-container-fullwidth h3 {
    color: var(--primary-teal);
    margin-bottom: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

/* Legacy questions-container (keeping for compatibility) */
.questions-container {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px var(--shadow-light);
    border: 2px solid var(--border-color);
    max-height: 600px;
    overflow-y: auto;
}

.questions-container h3 {
    color: var(--primary-teal);
    margin-bottom: 10px;
    font-size: 1.4rem;
}

.info-text {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* Questions List */
.questions-list {
    margin-bottom: 30px;
}

.question-category {
    margin-bottom: 25px;
}

.category-title {
    color: var(--complementary-coral);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-teal-light);
}

.question-item {
    background: var(--bg-light);
    padding: 12px 16px;
    margin-bottom: 10px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-teal);
    cursor: pointer;
    transition: all 0.3s ease;
}

.question-item:hover {
    background: var(--primary-teal-light);
    color: var(--bg-white);
    transform: translateX(5px);
    box-shadow: 0 2px 8px var(--shadow-medium);
}

/* Custom Question Section */
.custom-question-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.custom-question-section h4 {
    color: var(--primary-teal);
    margin-bottom: 15px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.input-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    transition: border-color 0.3s ease;
}

.input-group textarea:focus {
    outline: none;
    border-color: var(--primary-teal);
}

/* Export Section */
.export-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.export-section h4 {
    color: var(--primary-teal);
    margin-bottom: 10px;
}

.export-section .info-text {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.export-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-export {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 25px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--accent-purple) 0%, #6366f1 100%);
    color: white;
}

.btn-export:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

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

.btn-export svg {
    flex-shrink: 0;
}

.btn-digsilent {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn-digsilent:hover {
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-etap {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.btn-etap:hover {
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.4);
}

@media (min-width: 768px) {
    .export-buttons {
        flex-direction: row;
    }

    .btn-export {
        flex: 1;
    }
}

/* Image Thumbnail Container - Compact */
.image-thumbnail-container {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px var(--shadow-light);
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    min-width: 280px;
    flex: 1; /* Allow it to grow if needed */
}

.thumbnail-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 20px; /* Increased gap */
}

.thumbnail-image {
    width: 120px; /* Slightly larger */
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    border: 3px solid var(--primary-teal);
    box-shadow: 0 3px 10px var(--shadow-medium);
    cursor: pointer;
    flex-shrink: 0;
}

.thumbnail-image:hover {
    transform: scale(1.05);
    transition: transform 0.2s ease;
}

.thumbnail-info {
    display: flex;
    flex-direction: column;
    gap: 15px; /* Increased gap */
    width: 100%; /* Full width */
}

.thumbnail-actions {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.view-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-teal);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 14px;
    border-radius: 8px;
    background: rgba(56, 178, 170, 0.1);
    border: 1px solid rgba(56, 178, 170, 0.3);
    transition: all 0.3s ease;
    white-space: nowrap; /* Prevent breaking */
}

.view-link:hover {
    background: rgba(56, 178, 170, 0.2);
    border-color: var(--primary-teal);
    transform: translateX(3px);
}

.view-link svg {
    width: 16px;
    height: 16px;
}

.btn-sm {
    padding: 10px 18px;
    font-size: 0.9rem;
    white-space: nowrap; /* Prevent breaking */
    margin-top: 0; /* Override default margin */
}

/* Processing Details Container - Pastel Style */
.processing-details-container {
    background: linear-gradient(135deg, rgba(56, 178, 170, 0.08) 0%, rgba(246, 185, 59, 0.05) 100%);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid rgba(56, 178, 170, 0.25);
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    box-shadow: 0 2px 10px rgba(56, 178, 170, 0.1);
    flex: 1;
}

.processing-details-container h3 {
    color: var(--primary-teal);
    margin-bottom: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.processing-details-container h3 > svg:first-child {
    width: 16px;
    height: 16px;
    margin-right: 6px;
}

.processing-details-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.processing-details-actions .icon-btn {
    background: transparent;
    border: 1px solid rgba(56, 178, 170, 0.3);
    border-radius: 4px;
    padding: 4px 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-teal);
    transition: all 0.2s ease;
    opacity: 0.7;
}

.processing-details-actions .icon-btn:hover {
    opacity: 1;
    background: rgba(56, 178, 170, 0.1);
    border-color: var(--primary-teal);
    transform: scale(1.05);
}

.processing-details-actions .icon-btn svg {
    width: 14px;
    height: 14px;
}

[data-theme="dark"] .processing-details-actions .icon-btn {
    border-color: rgba(77, 196, 188, 0.4);
    color: var(--primary-teal-light);
}

[data-theme="dark"] .processing-details-actions .icon-btn:hover {
    background: rgba(77, 196, 188, 0.15);
    border-color: var(--primary-teal-light);
}

/* Pastel stat lines */
.stat-line {
    display: flex;
    align-items: baseline;
    margin: 6px 0;
    color: var(--text-dark);
}

.stat-line-label {
    color: var(--primary-teal-dark);
    font-weight: 600;
    margin-right: 8px;
    min-width: 120px;
}

.stat-line-value {
    color: var(--complementary-coral);
    font-weight: 700;
    font-size: 1.1rem;
}

.stat-line-breakdown {
    color: var(--text-gray);
    margin-left: 8px;
    font-size: 0.8rem;
}

/* Compact stat grid - pastel */
.stat-grid-compact {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin: 10px 0;
    padding: 10px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 6px;
    border: 1px solid rgba(56, 178, 170, 0.2);
}

.stat-item-compact {
    display: flex;
    flex-direction: column;
    padding: 6px;
    text-align: center;
}

.stat-item-compact .label {
    font-size: 0.7rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    font-weight: 600;
}

.stat-item-compact .value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-teal);
}

/* Performance bars - pastel */
.perf-section {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 2px solid rgba(56, 178, 170, 0.2);
}

.perf-line {
    margin: 6px 0;
}

.perf-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    margin-bottom: 3px;
    color: var(--text-dark);
}

.perf-label .name {
    color: var(--primary-teal-dark);
    font-weight: 600;
}

.perf-label .time {
    color: var(--complementary-coral);
    font-weight: 700;
}

.perf-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid rgba(56, 178, 170, 0.2);
}

.perf-bar-fill {
    height: 100%;
    transition: width 0.5s ease;
}

.perf-bar-fill.parsing {
    background: linear-gradient(90deg, var(--accent-purple) 0%, #9f7aea 100%);
}

.perf-bar-fill.rendering {
    background: linear-gradient(90deg, var(--primary-teal) 0%, var(--primary-teal-light) 100%);
}

/* Responsive adjustments for compact stats */
@media (max-width: 768px) {
    .stat-grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-line {
        flex-direction: column;
        align-items: flex-start;
    }

    .stat-line-label {
        min-width: auto;
        margin-bottom: 2px;
    }

    .stat-line-breakdown {
        margin-left: 0;
        margin-top: 4px;
    }
}

/* Response Container */
.response-container {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 2px 10px var(--shadow-light);
    border: 2px solid var(--border-color);
    margin: 30px auto;
    max-width: 1200px;
    min-height: 400px;
    position: relative;
}

.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.response-container h3 {
    color: var(--primary-teal);
    margin: 0;
    font-size: 1.4rem;
}

.response-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.response-actions-menu {
    position: relative;
}

.response-action-btn {
    background: transparent;
    border: 1px solid rgba(56, 178, 170, 0.3);
    border-radius: 4px;
    padding: 6px 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-teal);
    transition: all 0.2s ease;
    opacity: 0.7;
}

.response-action-btn:hover {
    opacity: 1;
    background: rgba(56, 178, 170, 0.1);
    border-color: var(--primary-teal);
    transform: scale(1.05);
}

.response-action-btn svg {
    width: 18px;
    height: 18px;
}

.response-actions-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    z-index: 1000;
    overflow: hidden;
    animation: fadeInDown 0.2s ease;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    color: var(--text-dark);
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    background: var(--bg-light);
}

.dropdown-item:first-child {
    border-bottom: 1px solid var(--border-color);
}

.dropdown-item svg {
    width: 16px;
    height: 16px;
    color: var(--primary-teal);
    flex-shrink: 0;
}

[data-theme="dark"] .response-action-btn {
    border-color: rgba(77, 196, 188, 0.4);
    color: var(--primary-teal-light);
}

[data-theme="dark"] .response-action-btn:hover {
    background: rgba(77, 196, 188, 0.15);
    border-color: var(--primary-teal-light);
}

[data-theme="dark"] .response-actions-dropdown {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item:hover {
    background: var(--bg-light);
}

/* Reasoning Section */
.reasoning-section {
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 20px;
    border: 2px solid var(--accent-purple);
    overflow: hidden;
}

.reasoning-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--accent-purple);
    cursor: pointer;
}

.reasoning-label {
    color: white;
    font-weight: 600;
}

.toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: white;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
}

.toggle-btn.collapsed svg {
    transform: rotate(-90deg);
}

.reasoning-content {
    padding: 16px;
    color: var(--text-dark);
    max-height: 300px;
    overflow-y: auto;
    font-size: 0.9rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-line;
    min-height: 50px;
}

.reasoning-content.collapsed {
    display: none;
}

/* Answer Section */
.answer-section {
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 2px solid var(--primary-teal);
}

.answer-label {
    background: var(--primary-teal);
    color: white;
    padding: 12px 16px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-stop-streaming {
    background: var(--complementary-coral);
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-stop-streaming:hover {
    background: #d94a3a;
}

.answer-content {
    padding: 20px;
    color: var(--text-dark);
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-line;
    min-height: 200px;
    max-height: 600px;
    overflow-y: auto;
}

/* Loading indicator in answer content */
.answer-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    gap: 15px;
}

.answer-loading p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin: 0;
}

.spinner-response {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-teal);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Markdown Rendering Styles */
.answer-content h1,
.answer-content h2,
.answer-content h3,
.answer-content h4,
.answer-content h5,
.answer-content h6,
.reasoning-content h1,
.reasoning-content h2,
.reasoning-content h3,
.reasoning-content h4,
.reasoning-content h5,
.reasoning-content h6 {
    color: var(--primary-teal);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 600;
}

.answer-content h1,
.reasoning-content h1 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-teal);
    padding-bottom: 0.3em;
}

.answer-content h2,
.reasoning-content h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}

.answer-content h3,
.reasoning-content h3 {
    font-size: 1.3rem;
}

.answer-content h4,
.reasoning-content h4 {
    font-size: 1.1rem;
}

.answer-content p,
.reasoning-content p {
    margin-bottom: 1em;
}

.answer-content ul,
.answer-content ol,
.reasoning-content ul,
.reasoning-content ol {
    margin-left: 2em;
    margin-bottom: 1em;
}

.answer-content li,
.reasoning-content li {
    margin-bottom: 0.5em;
}

.answer-content ul li,
.reasoning-content ul li {
    list-style-type: disc;
}

.answer-content ol li,
.reasoning-content ol li {
    list-style-type: decimal;
}

.answer-content strong,
.reasoning-content strong {
    font-weight: 700;
    color: var(--primary-teal-dark);
}

.answer-content em,
.reasoning-content em {
    font-style: italic;
    color: var(--text-gray);
}

.answer-content code,
.reasoning-content code {
    background-color: var(--bg-light);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--complementary-coral);
}

.answer-content pre,
.reasoning-content pre {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 15px;
    overflow-x: auto;
    margin-bottom: 1em;
}

.answer-content pre code,
.reasoning-content pre code {
    background-color: transparent;
    padding: 0;
    color: var(--text-dark);
}

.answer-content blockquote,
.reasoning-content blockquote {
    border-left: 4px solid var(--primary-teal);
    padding-left: 1em;
    margin-left: 0;
    margin-bottom: 1em;
    color: var(--text-gray);
    font-style: italic;
}

.answer-content a,
.reasoning-content a {
    color: var(--primary-teal);
    text-decoration: underline;
}

.answer-content a:hover,
.reasoning-content a:hover {
    color: var(--primary-teal-dark);
}

.answer-content table,
.reasoning-content table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1em;
}

.answer-content th,
.answer-content td,
.reasoning-content th,
.reasoning-content td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.answer-content th,
.reasoning-content th {
    background-color: var(--primary-teal);
    color: white;
    font-weight: 600;
}

.answer-content tr:nth-child(even),
.reasoning-content tr:nth-child(even) {
    background-color: var(--bg-light);
}

.answer-content hr,
.reasoning-content hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 2em 0;
}

.answer-content img,
.reasoning-content img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin: 1em 0;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 25px 20px;
    border-top: 2px solid var(--border-color);
    margin-top: 20px;
}

.action-buttons .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
}

.action-buttons .btn svg {
    display: inline-block;
    vertical-align: middle;
}

/* Loading Indicator */
.loading-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    color: var(--primary-teal);
    font-weight: 600;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg-light);
    border-top: 4px solid var(--primary-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Analyzing Message */
.analyzing-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.analyzing-message p {
    margin-top: 20px;
    color: var(--primary-teal);
    font-weight: 600;
    font-size: 1.1rem;
}

.spinner-small {
    width: 50px;
    height: 50px;
    border: 5px solid var(--bg-light);
    border-top: 5px solid var(--primary-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-teal);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-teal-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    .container {
        padding: 10px;
    }

    .upload-area {
        padding: 40px 20px;
    }

    .questions-container {
        max-height: none;
    }
}

/* Model Indicator Badge */
.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.response-header h3 {
    margin-bottom: 0;
}

.model-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.model-instruct {
    background: linear-gradient(135deg, #38b2aa 0%, #2c8d87 100%);
    color: white;
    border: 1px solid #2c8d87;
}

.model-thinking {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    color: white;
    border: 1px solid #6d28d9;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(124, 58, 237, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(124, 58, 237, 0);
    }
}

/* Plan Type Selector */
.plan-type-selector {
    margin-bottom: 20px;
    text-align: left;
    background: var(--bg-light);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.plan-type-selector label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-select {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    color: var(--text-dark);
    background-color: var(--bg-secondary);
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.form-select:focus {
    outline: none;
    border-color: #38b2aa;
}

/* DXF Validation Message */
.dxf-validation-message {
    margin-top: 15px;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(246, 185, 59, 0.08) 0%, rgba(56, 178, 170, 0.06) 100%);
    border: 1px solid rgba(56, 178, 170, 0.25);
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-dark);
}

.dxf-validation-message .validation-content {
    max-width: none;
}

.dxf-validation-message p {
    margin: 0;
    color: var(--text-gray);
}

/* DXF Summary Container */
.dxf-summary-container {
    margin-top: 12px;
    padding: 12px;
    background: rgba(56, 178, 170, 0.08);
    border: 1px solid rgba(56, 178, 170, 0.2);
    border-radius: 8px;
    width: 100%;
}

.dxf-summary-container .summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    color: var(--primary-teal-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.dxf-summary-container .summary-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dxf-summary-container .summary-header svg:first-child {
    width: 16px;
    height: 16px;
    stroke: var(--primary-teal);
}

.dxf-summary-container .summary-copy-btn {
    background: transparent;
    border: 1px solid rgba(56, 178, 170, 0.3);
    border-radius: 4px;
    padding: 4px 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-teal);
    transition: all 0.2s ease;
    opacity: 0.7;
}

.dxf-summary-container .summary-copy-btn:hover {
    opacity: 1;
    background: rgba(56, 178, 170, 0.1);
    border-color: var(--primary-teal);
    transform: scale(1.05);
}

.dxf-summary-container .summary-copy-btn svg {
    width: 14px;
    height: 14px;
}

[data-theme="dark"] .dxf-summary-container .summary-copy-btn {
    border-color: rgba(77, 196, 188, 0.4);
    color: var(--primary-teal-light);
}

[data-theme="dark"] .dxf-summary-container .summary-copy-btn:hover {
    background: rgba(77, 196, 188, 0.15);
    border-color: var(--primary-teal-light);
}

.dxf-summary-container .summary-content {
    color: var(--text-dark);
    font-size: 0.9rem;
    line-height: 1.5;
}

.dxf-summary-container .summary-loading {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-gray);
    font-size: 0.85rem;
}

.dxf-summary-container .summary-text {
    margin: 0;
    color: var(--text-dark);
    line-height: 1.6;
}

.dxf-summary-container .summary-error {
    color: var(--complementary-coral);
    font-size: 0.85rem;
    font-style: italic;
}

/* Dark mode adjustments for summary */
[data-theme="dark"] .dxf-summary-container {
    background: rgba(77, 196, 188, 0.1);
    border-color: rgba(77, 196, 188, 0.3);
}

[data-theme="dark"] .dxf-summary-container .summary-header {
    color: var(--primary-teal-light);
}

[data-theme="dark"] .dxf-summary-container .summary-text {
    color: var(--text-dark);
}

/* Upload Loading Indicator */
.upload-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 20px 0;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 8px;
    border: 2px dashed var(--primary-teal);
    animation: fadeIn 0.3s ease-in;
}

.upload-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-teal);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.upload-loading span {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
}

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

/* Disable upload area when processing */
.upload-area.processing {
    opacity: 0.7;
}

.upload-area.processing .upload-icon {
    animation: pulse 2s infinite;
}

/* Only disable specific interactive elements, not the whole area */
.upload-area.processing #upload-btn,
.upload-area.processing #file-input {
    pointer-events: none;
    cursor: not-allowed;
}

/* Ensure header controls are always clickable */
.header-controls,
.header-controls * {
    pointer-events: auto !important;
}

/* Metadata Modal */
.metadata-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease;
}

.metadata-modal-content {
    background: var(--bg-secondary);
    border: 2px solid var(--primary-teal);
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(56, 178, 170, 0.3);
    animation: slideUp 0.3s ease;
}

.metadata-modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(56, 178, 170, 0.1) 0%, rgba(246, 185, 59, 0.05) 100%);
}

.metadata-modal-header h3 {
    color: var(--primary-teal);
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metadata-modal-close {
    background: transparent;
    border: none;
    font-size: 28px;
    color: var(--text-gray);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    opacity: 0.7;
}

.metadata-modal-close:hover {
    opacity: 1;
    background: rgba(178, 56, 68, 0.1);
    color: var(--complementary-coral);
}

.metadata-modal-body {
    padding: 20px;
    overflow: auto;
    flex: 1;
}

.metadata-modal-body pre {
    margin: 0;
    padding: 15px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-dark);
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: calc(90vh - 120px);
    overflow: auto;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

[data-theme="dark"] .metadata-modal-content {
    background: var(--bg-secondary);
    border-color: var(--primary-teal-light);
}

[data-theme="dark"] .metadata-modal-body pre {
    background: var(--bg-light);
    color: var(--text-dark);
}