/* ============================================
   Drawtexture - CSS Styles
   Theme Colors: RGB(72,91,219) and RGB(62,58,57)
   ============================================ */

:root {
    --primary-color: rgb(72, 91, 219);
    --primary-dark: rgb(52, 71, 199);
    --primary-light: rgba(72, 91, 219, 0.1);
    --secondary-color: rgb(62, 58, 57);
    --secondary-dark: rgb(42, 38, 37);
    --secondary-light: rgba(62, 58, 57, 0.1);
    --text-color: #333;
    --text-light: #666;
    --text-white: #fff;
    --border-color: #e0e0e0;
    --background: #f5f5f5;
    --white: #ffffff;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Header
   ============================================ */

.header {
    background-color: var(--secondary-color);
    color: var(--text-white);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav .user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
}

.nav .user-info i {
    font-size: 1.5rem;
}

/* ============================================
   Container
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    flex: 1;
    padding: 2rem 0;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* ============================================
   Step Indicator
   ============================================ */

.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
    gap: 1rem;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--white);
    border: 3px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.step.active .step-number {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.step.completed .step-number {
    background-color: var(--success);
    border-color: var(--success);
    color: var(--text-white);
}

.step-label {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.step-line {
    width: 100px;
    height: 3px;
    background-color: var(--border-color);
    margin-bottom: 2rem;
}

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

/* ============================================
   Upload Container
   ============================================ */

.upload-container {
    background-color: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.upload-container h2 {
    font-size: 1.75rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* ============================================
   Upload Area
   ============================================ */

.upload-area {
    border: 3px dashed var(--primary-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background-color: var(--primary-light);
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 2rem;
}

.upload-area:hover {
    border-color: var(--primary-dark);
    background-color: rgba(72, 91, 219, 0.15);
}

.upload-area.drag-over {
    border-color: var(--primary-dark);
    background-color: rgba(72, 91, 219, 0.2);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-area h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.upload-area p {
    color: var(--text-light);
    margin: 0.5rem 0;
}

.file-info {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 1rem;
}

/* ============================================
   Uploaded File
   ============================================ */

.uploaded-file {
    margin-bottom: 2rem;
}

.file-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--primary-light);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
}

.file-preview i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.file-details {
    flex: 1;
}

.file-details h4 {
    font-size: 1rem;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.file-details p {
    font-size: 0.875rem;
    color: var(--text-light);
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.btn-icon:hover {
    color: var(--error);
}

/* ============================================
   Form Section
   ============================================ */

.form-section {
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border-color);
}

.form-section h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea {
    resize: vertical;
}

/* Checkbox styling */
.form-group input[type="checkbox"] {
    width: auto;
    min-width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    padding: 1.25rem;
    background-color: var(--primary-light);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.checkbox-label:hover {
    background-color: rgba(72, 91, 219, 0.2);
    border-color: var(--primary-dark);
}

.checkbox-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.checkbox-text strong {
    color: var(--secondary-color);
    font-size: 1rem;
}

.checkbox-text small {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-primary:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: var(--white);
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--text-white);
}

.btn-large {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    margin-top: 1rem;
}

/* ============================================
   Loading Screen
   ============================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.loading-content {
    background-color: var(--white);
    border-radius: 12px;
    padding: 3rem 2.5rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid var(--primary-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

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

.loading-content h2 {
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.loading-steps {
    text-align: left;
    margin-bottom: 2rem;
}

.loading-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    color: var(--text-light);
    opacity: 0.4;
    transition: all 0.3s ease;
}

.loading-step.active {
    color: var(--primary-color);
    opacity: 1;
    font-weight: 500;
}

.loading-step.completed {
    color: var(--success);
    opacity: 1;
}

.loading-step i {
    font-size: 1.25rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* ============================================
   Results Container
   ============================================ */

.results-container {
    background-color: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-header h2 {
    font-size: 1.75rem;
    color: var(--secondary-color);
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ============================================
   Summary Cards
   ============================================ */

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.card {
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    background-color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.card-content h4 {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.card-content p {
    font-size: 1.25rem;
    color: var(--secondary-color);
    font-weight: 600;
}

/* ============================================
   Results Section
   ============================================ */

.results-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
}

.results-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.results-section h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.results-section h3 i {
    color: var(--primary-color);
}

/* ============================================
   Table
   ============================================ */

.table-container {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
}

thead {
    background-color: var(--secondary-color);
    color: var(--text-white);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
    background-color: var(--primary-light);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   JSON Viewer
   ============================================ */

.json-viewer {
    background-color: var(--secondary-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
}

.json-viewer pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--secondary-color);
}

/* ============================================
   Report Output
   ============================================ */

.report-output {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    line-height: 1.8;
}

.report-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.report-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.report-section h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 4px solid var(--primary-color);
}

.report-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.report-row:last-child {
    border-bottom: none;
}

.report-label {
    font-weight: 600;
    color: var(--secondary-color);
}

.report-value {
    color: var(--text-color);
}

/* ============================================
   Summary Output
   ============================================ */

.summary-output {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.summary-item {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.summary-item h4 {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.summary-item-content {
    color: var(--text-color);
}

.summary-item-content p {
    margin-bottom: 0.5rem;
}

.summary-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px dotted var(--border-color);
}

.summary-stat:last-child {
    border-bottom: none;
}

.summary-stat-label {
    color: var(--text-light);
    font-size: 0.875rem;
}

.summary-stat-value {
    color: var(--secondary-color);
    font-weight: 600;
}

/* ============================================
   NLP Output
   ============================================ */

.nlp-output {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.nlp-summary,
.nlp-keywords,
.nlp-entities {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.nlp-summary:last-child,
.nlp-keywords:last-child,
.nlp-entities:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.nlp-output h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.nlp-output ul {
    list-style-position: inside;
    color: var(--text-color);
}

.nlp-output li {
    margin-bottom: 0.5rem;
}

.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.keyword-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--primary-color);
}

/* ============================================
   PDF Text Output
   ============================================ */

.pdf-text-output {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    line-height: 1.8;
}

.pdf-text-output p {
    margin-bottom: 0.75rem;
}

.pdf-text-output strong {
    color: var(--secondary-color);
}

/* ============================================
   Loading Subtitle
   ============================================ */

.loading-subtitle {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* ============================================
   Help Text
   ============================================ */

.help-text {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* ============================================
   PDF Preview
   ============================================ */

.pdf-preview-container {
    text-align: center;
}

.preview-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--background);
    border-radius: 8px;
}

#page-info {
    font-weight: 500;
    color: var(--secondary-color);
}

/* ============================================
   Section Header
   ============================================ */

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

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

/* ============================================
   Edit Mode
   ============================================ */

.edit-column {
    width: 120px;
}

.element-actions {
    display: flex;
    gap: 0.5rem;
}

.element-actions button {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-edit:hover {
    background-color: var(--primary-dark);
}

.btn-delete {
    background-color: var(--error);
    color: var(--text-white);
}

.btn-delete:hover {
    background-color: #d32f2f;
}

/* ============================================
   Add Element Section
   ============================================ */

.add-element-section {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: var(--primary-light);
    border: 2px dashed var(--primary-color);
    border-radius: 8px;
}

.add-element-section h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.inline-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    align-items: end;
}

.inline-form input {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
}

.inline-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.inline-form button {
    white-space: nowrap;
}

/* ============================================
   Editable Cells
   ============================================ */

.editable-cell {
    cursor: pointer;
    position: relative;
}

.editable-cell:hover {
    background-color: var(--primary-light);
}

.editable-cell input {
    width: 100%;
    padding: 0.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    font-family: inherit;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: var(--secondary-color);
    color: var(--text-white);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

.footer p {
    font-size: 0.875rem;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .upload-container,
    .results-container {
        padding: 1.5rem;
    }

    .step-indicator {
        margin-bottom: 2rem;
    }

    .step-line {
        width: 50px;
    }

    .logo h1 {
        font-size: 1.25rem;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .action-buttons {
        width: 100%;
    }

    .action-buttons .btn {
        flex: 1;
    }

    .summary-cards {
        grid-template-columns: 1fr;
    }

    table {
        font-size: 0.875rem;
    }

    th, td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .upload-area {
        padding: 2rem 1rem;
    }

    .upload-icon {
        font-size: 3rem;
    }

    .step-label {
        font-size: 0.75rem;
    }
}