/**
 * SEO Suite - High-Contrast, Crystal Clear PDF to Word Converter Stylesheet
 * Responsive, Mobile-First, Accessible, Crisp Borders & High Visibility
 * Standardized in exact PX units: 16px normal para, proportional headings, ZERO rem units
 */

:root {
    --doc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --doc-bg: #f8fafc;
    --doc-card-bg: #ffffff;
    --doc-card-border: #cbd5e1;
    --doc-box-border: #94a3b8;
    --doc-card-border-focus: #2563eb;
    --doc-text-main: #0f172a;
    --doc-text-muted: #1e293b;
    --doc-text-sub: #334155;
    --doc-primary: #2563eb;
    --doc-primary-hover: #1d4ed8;
    --doc-primary-light: #eff6ff;
    --doc-accent: #3b82f6;
    --doc-emerald: #059669;
    --doc-emerald-light: #ecfdf5;
    --doc-amber: #d97706;
    --doc-amber-light: #fffbeb;
    --doc-danger: #dc2626;
    --doc-danger-light: #fff5f5;
    --doc-input-bg: #f8fafc;
    --doc-input-border: #94a3b8;
    --doc-pill-bg: #f1f5f9;
    --doc-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --doc-shadow-md: 0 4px 10px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
    --doc-shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.12), 0 4px 8px -2px rgba(0, 0, 0, 0.06);
    --doc-radius-lg: 16px;
    --doc-radius-md: 12px;
    --doc-radius-sm: 8px;
    --doc-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}



/* Base Wrapper & General Paragraphs */
.doc-app-wrapper {
    font-family: var(--doc-font);
    color: var(--doc-text-main);
    max-width: 1200px;
    margin: 0 auto 40px auto;
    padding: 0 12px;
    box-sizing: border-box;
    font-size: 16px;
    line-height: 1.6;
}

.doc-app-wrapper p {
    font-size: 16px;
    line-height: 1.65;
    color: var(--doc-text-muted);
}

/* Header & Hero Section */
.doc-hero {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(79, 70, 229, 0.08) 100%);
    border: 2px solid var(--doc-card-border);
    border-radius: var(--doc-radius-lg);
    padding: 34px 26px;
    margin:16px 0px;
    text-align: center;
    position: relative;
    box-shadow: var(--doc-shadow-sm);
}

.doc-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #dbeafe;
    color: #1e40af;
    border: 1.5px solid #60a5fa;
    padding: 7px 18px;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.doc-hero-desc {
    font-size: 16px;
    font-weight: 600;
    color: var(--doc-text-muted);
    max-width: 820px;
    margin: 0 auto;
    line-height: 1.65;
}

/* Main Studio Card */
.doc-card {
    background: var(--doc-card-bg);
    border: 2px solid var(--doc-card-border);
    border-radius: var(--doc-radius-lg);
    box-shadow: var(--doc-shadow-md);
    overflow: hidden;
    margin-bottom: 28px;
    transition: var(--doc-transition);
}

.doc-card-header {
    padding: 22px 26px;
    background: var(--doc-input-bg);
    border-bottom: 2px solid var(--doc-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.doc-card-title {
    font-size: 22px;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--doc-text-main);
}

.doc-card-title i {
    color: var(--doc-primary);
    font-size: 24px;
}

.doc-card-body {
    padding: 28px 26px;
}

/* 3-Step Visual Workflow Bar */
.doc-workflow-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 26px;
}

.doc-step-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--doc-radius-md);
    border: 2px solid var(--doc-box-border);
    background: var(--doc-card-bg);
    transition: var(--doc-transition);
}

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

.doc-step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--doc-pill-bg);
    border: 1.5px solid var(--doc-box-border);
    color: var(--doc-text-main);
    font-weight: 800;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.doc-step-item.active .doc-step-num {
    background: var(--doc-primary);
    border-color: var(--doc-primary);
    color: #ffffff;
}

.doc-step-text {
    font-size: 15px;
    font-weight: 700;
    color: var(--doc-text-main);
    line-height: 1.3;
}

.doc-step-sub {
    font-size: 13px;
    font-weight: 500;
    color: var(--doc-text-muted);
    display: block;
}

/* Section Step Labels */
.doc-section-label {
    display: block;
    font-weight: 800;
    margin-bottom: 14px;
    font-size: 18px;
    color: var(--doc-text-main);
    letter-spacing: -0.01em;
}

/* Conversion Options Panel */
.doc-options-box {
    background: var(--doc-input-bg);
    border: 2px solid var(--doc-card-border);
    border-radius: var(--doc-radius-md);
    padding: 20px 22px;
    margin-bottom: 24px;
}

.doc-options-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 10px;
}

.doc-options-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--doc-text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.doc-ocr-badge {
    font-size: 13px;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 9999px;
    border: 1.5px solid #34d399;
    background: #ecfdf5;
    color: #065f46;
}

.doc-ocr-badge.standby {
    border-color: #94a3b8;
    background: #f1f5f9;
    color: #334155;
}

.doc-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.doc-option-card {
    background: var(--doc-card-bg);
    border: 2px solid var(--doc-box-border);
    border-radius: var(--doc-radius-sm);
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    transition: var(--doc-transition);
}

.doc-option-card:hover {
    border-color: var(--doc-primary);
}

.doc-option-card input[type="checkbox"] {
    margin-top: 3px;
    width: 20px;
    height: 20px;
    accent-color: var(--doc-primary);
    cursor: pointer;
}

.doc-option-info {
    flex: 1;
}

.doc-option-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--doc-text-main);
    margin-bottom: 4px;
}

.doc-option-desc {
    font-size: 14px;
    font-weight: 500;
    color: var(--doc-text-muted);
    line-height: 1.45;
    margin: 0;
}

/* Upload Dropzone */
.doc-dropzone {
    border: 3px dashed var(--doc-box-border);
    border-radius: var(--doc-radius-lg);
    background: var(--doc-input-bg);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: var(--doc-transition);
    overflow: hidden;
}

.doc-dropzone:hover, .doc-dropzone.dragover {
    border-color: var(--doc-primary);
    background: var(--doc-primary-light);
    transform: scale(1.005);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.15);
}

.doc-dropzone-icon {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: var(--doc-card-bg);
    border: 2px solid var(--doc-card-border);
    color: var(--doc-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto 18px auto;
    box-shadow: var(--doc-shadow-md);
    transition: var(--doc-transition);
}

.doc-dropzone:hover .doc-dropzone-icon {
    transform: translateY(-4px);
    border-color: var(--doc-primary);
}

.doc-dropzone-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--doc-text-main);
    margin: 0 0 10px 0;
}

.doc-dropzone-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: var(--doc-text-muted);
    margin: 0 0 22px 0;
}

.doc-btn-browse {
    background: var(--doc-primary);
    color: #ffffff;
    border: none;
    padding: 14px 34px;
    font-size: 16px;
    font-weight: 800;
    border-radius: var(--doc-radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    transition: var(--doc-transition);
}

.doc-btn-browse:hover {
    background: var(--doc-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
}

.doc-dropzone-limits {
    margin-top: 22px;
    font-size: 15px;
    font-weight: 700;
    color: var(--doc-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.doc-sample-trigger {
    background: var(--doc-card-bg);
    border: 2px solid var(--doc-box-border);
    color: var(--doc-text-main);
    font-size: 14px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 9999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--doc-transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.doc-sample-trigger:hover {
    border-color: var(--doc-primary);
    color: var(--doc-primary);
    transform: translateY(-1px);
}

/* Active Processing Card */
.doc-processing-panel {
    display: none;
    background: var(--doc-input-bg);
    border: 2px solid var(--doc-primary);
    border-radius: var(--doc-radius-md);
    padding: 30px 24px;
    margin-top: 24px;
    text-align: center;
    animation: docFadeIn 0.25s ease-out;
}

.doc-processing-panel.show {
    display: block;
}

.doc-spinner {
    width: 54px;
    height: 54px;
    border: 5px solid rgba(37, 99, 235, 0.2);
    border-top-color: var(--doc-primary);
    border-radius: 50%;
    margin: 0 auto 18px auto;
    animation: docSpin 0.9s linear infinite;
}

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

.doc-proc-status {
    font-size: 20px;
    font-weight: 800;
    color: var(--doc-text-main);
    margin: 0 0 8px 0;
}

.doc-proc-filename {
    font-size: 16px;
    font-weight: 600;
    color: var(--doc-text-muted);
    margin: 0 0 16px 0;
}

.doc-progress-track {
    background: var(--doc-pill-bg);
    border: 1.5px solid var(--doc-box-border);
    border-radius: 9999px;
    height: 14px;
    overflow: hidden;
    max-width: 480px;
    margin: 0 auto 16px auto;
}

.doc-progress-fill {
    background: linear-gradient(90deg, #2563eb 0%, #38bdf8 100%);
    height: 100%;
    width: 0%;
    transition: width 0.3s ease;
}

.doc-proc-step-detail {
    font-size: 15px;
    font-weight: 600;
    color: var(--doc-text-sub);
}

.doc-btn-cancel {
    margin-top: 18px;
    background: transparent;
    border: 1.5px solid var(--doc-box-border);
    color: var(--doc-text-muted);
    font-size: 15px;
    font-weight: 700;
    padding: 7px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--doc-transition);
}

.doc-btn-cancel:hover {
    border-color: var(--doc-danger);
    color: var(--doc-danger);
}

/* Results Display Panel */
.doc-result-panel {
    display: none;
    background: var(--doc-card-bg);
    border: 3px solid #10b981;
    border-radius: var(--doc-radius-lg);
    padding: 28px 24px;
    margin-top: 24px;
    box-shadow: var(--doc-shadow-md);
    animation: docFadeIn 0.3s ease-out;
}

.doc-result-panel.show {
    display: block;
}

.doc-result-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 2px solid var(--doc-card-border);
}

.doc-result-badge-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.doc-success-badge {
    background: #d1fae5;
    color: #065f46;
    border: 1.5px solid #34d399;
    font-size: 14px;
    font-weight: 800;
    padding: 6px 14px;
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
}

.doc-type-badge {
    font-size: 14px;
    font-weight: 800;
    padding: 6px 14px;
    border-radius: 9999px;
    border: 1.5px solid #60a5fa;
    background: #eff6ff;
    color: #1d4ed8;
    text-transform: uppercase;
}

.doc-type-badge.scanned {
    border-color: #f59e0b;
    background: #fffbeb;
    color: #92400e;
}

.doc-type-badge.mixed {
    border-color: #a855f7;
    background: #faf5ff;
    color: #6b21a8;
}

.doc-result-filename {
    font-size: 20px;
    font-weight: 800;
    color: var(--doc-text-main);
    margin: 0 0 6px 0;
    word-break: break-all;
}

/* Metrics Grid */
.doc-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

.doc-metric-card {
    background: var(--doc-input-bg);
    border: 2px solid var(--doc-card-border);
    border-radius: var(--doc-radius-md);
    padding: 16px;
    text-align: center;
}

.doc-metric-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--doc-text-sub);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 6px;
}

.doc-metric-val {
    font-size: 22px;
    font-weight: 900;
    color: var(--doc-text-main);
}

.doc-metric-val.blue {
    color: var(--doc-primary);
}

.doc-metric-val.green {
    color: var(--doc-emerald);
}

/* Document Structure Summary Pills */
.doc-structure-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 26px;
    background: var(--doc-pill-bg);
    border: 1.5px solid var(--doc-card-border);
    padding: 14px 18px;
    border-radius: var(--doc-radius-md);
}

.doc-pill-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: var(--doc-text-main);
    background: var(--doc-card-bg);
    border: 1.5px solid var(--doc-box-border);
    padding: 6px 14px;
    border-radius: 8px;
}

.doc-pill-item i {
    color: var(--doc-primary);
}

/* Primary Action Buttons */
.doc-actions-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.doc-btn-download-docx {
    background: #1d4ed8;
    color: #ffffff;
    border: none;
    padding: 16px 36px;
    font-size: 17px;
    font-weight: 800;
    border-radius: var(--doc-radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 14px rgba(29, 78, 216, 0.4);
    text-decoration: none;
    transition: var(--doc-transition);
}

.doc-btn-download-docx:hover {
    background: #1e40af;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(29, 78, 216, 0.5);
    text-decoration: none;
}

.doc-btn-restart {
    background: var(--doc-card-bg);
    border: 2px solid var(--doc-box-border);
    color: var(--doc-text-main);
    padding: 15px 26px;
    font-size: 16px;
    font-weight: 700;
    border-radius: var(--doc-radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--doc-transition);
}

.doc-btn-restart:hover {
    border-color: var(--doc-primary);
    color: var(--doc-primary);
    transform: translateY(-1px);
}

/* Error Alert Box */
.doc-error-box {
    display: none;
    background: #fee2e2;
    border: 2px solid #ef4444;
    border-radius: var(--doc-radius-md);
    padding: 20px 22px;
    margin-top: 22px;
    color: #991b1b;
    animation: docFadeIn 0.25s ease-out;
}

.doc-error-box.show {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.doc-error-icon {
    font-size: 26px;
    color: #dc2626;
    margin-top: 2px;
}

.doc-error-title {
    font-size: 18px;
    font-weight: 800;
    margin: 0 0 6px 0;
    color: #991b1b;
}

.doc-error-msg {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    line-height: 1.5;
    color: #7f1d1d;
}

/* Comparison Table */
.doc-table-responsive {
    overflow-x: auto;
    margin-bottom: 38px;
    border-radius: var(--doc-radius-md);
    border: 2px solid var(--doc-box-border);
}

.doc-comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 16px;
}

.doc-comparison-table th {
    background: var(--doc-pill-bg);
    color: var(--doc-text-main);
    padding: 16px 20px;
    font-weight: 800;
    font-size: 16px;
    border-bottom: 2px solid var(--doc-box-border);
}

.doc-comparison-table td {
    padding: 16px 20px;
    border-bottom: 1.5px solid var(--doc-card-border);
    color: var(--doc-text-main);
    font-weight: 600;
    font-size: 16px;
    line-height: 1.55;
}

.doc-comparison-table tr:last-child td {
    border-bottom: none;
}

/* Educational Content Section */
.doc-content-section {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 2px solid var(--doc-card-border);
}

.doc-content-section h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--doc-text-main);
    margin: 32px 0 16px 0;
    line-height: 1.3;
}

.doc-content-section h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--doc-text-main);
    margin: 24px 0 12px 0;
}

.doc-content-section p {
    font-size: 16px;
    line-height: 1.65;
    color: var(--doc-text-muted);
    margin-bottom: 18px;
}

.doc-content-section ul, .doc-content-section ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.doc-content-section li {
    font-size: 16px;
    line-height: 1.6;
    color: var(--doc-text-muted);
    margin-bottom: 10px;
}

/* FAQ Accordion */
.doc-faq-section {
    margin-top: 38px;
}

.doc-faq-item {
    border: 2px solid var(--doc-box-border);
    border-radius: var(--doc-radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    background: var(--doc-card-bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

.doc-faq-question {
    padding: 18px 22px;
    font-size: 18px;
    font-weight: 800;
    color: var(--doc-text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: var(--doc-transition);
}

.doc-faq-question:hover {
    color: var(--doc-primary);
}

.doc-faq-icon {
    font-size: 16px;
    transition: transform 0.2s ease;
}

.doc-faq-item.open .doc-faq-icon {
    transform: rotate(180deg);
}

.doc-faq-answer {
    padding: 0 22px 20px 22px;
    font-size: 16px;
    font-weight: 600;
    color: var(--doc-text-muted);
    line-height: 1.7;
    display: none;
    border-top: 1px dashed var(--doc-card-border);
    padding-top: 14px;
}

.doc-faq-item.open .doc-faq-answer {
    display: block;
}

/* Toast Notification */
.doc-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #0f172a;
    color: #ffffff;
    padding: 14px 22px;
    border-radius: var(--doc-radius-md);
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
    z-index: 99999;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--doc-transition);
}

.doc-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.doc-toast.toast-error {
    background: #dc2626;
}

.doc-toast.toast-success {
    background: #059669;
}

/* Animations */
@keyframes docFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .doc-workflow-bar {
        grid-template-columns: 1fr;
    }
    .doc-options-grid {
        grid-template-columns: 1fr;
    }
    .doc-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .doc-hero-title {
        font-size: 28px;
    }
}

@media (max-width: 640px) {
    .doc-app-wrapper {
        padding: 0 8px;
    }
    .doc-hero {
        padding: 24px 16px;
    }
    .doc-hero-title {
        font-size: 24px;
    }
    .doc-card-body {
        padding: 18px 14px;
    }
    .doc-dropzone {
        padding: 34px 14px;
    }
    .doc-dropzone-icon {
        width: 60px;
        height: 60px;
        font-size: 30px;
    }
    .doc-metrics-grid {
        grid-template-columns: 1fr;
    }
    .doc-actions-row {
        flex-direction: column;
        align-items: stretch;
    }
    .doc-btn-download-docx, .doc-btn-restart {
        justify-content: center;
    }
}