@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Light Theme Variables (Default) */
    --bg-primary: #f8fafc;
    --bg-secondary: rgba(255, 255, 255, 0.8);
    --bg-tertiary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.9);
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(37, 99, 235, 0.4);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-gradient: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    --accent-color: #2563EB;
    --accent-hover: #1d4ed8;
    --accent-light: rgba(37, 99, 235, 0.08);
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.08);
    --error: #dc2626;
    --shadow-color: rgba(15, 23, 42, 0.05);
    --glow-effect: 0 0 20px rgba(37, 99, 235, 0.15);
    --card-blur: blur(12px);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme overrides (Secondary) */
[data-theme="dark"] {
    --bg-primary: #090d16;
    --bg-secondary: rgba(15, 23, 42, 0.7);
    --bg-tertiary: #0f172a;
    --bg-card: rgba(15, 23, 42, 0.6);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(6, 182, 212, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-gradient: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    --accent-color: #06B6D4;
    --accent-hover: #0891b2;
    --accent-light: rgba(6, 182, 212, 0.15);
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --error: #ef4444;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-effect: 0 0 25px rgba(6, 182, 212, 0.25);
}

/* Base resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Grid & Layout systems */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation Header */
header {
    background-color: var(--bg-secondary);
    backdrop-filter: var(--card-blur);
    -webkit-backdrop-filter: var(--card-blur);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    font-weight: 400;
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-item:hover, .nav-item.active {
    color: var(--accent-color);
}

.theme-toggle-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
    border-color: var(--accent-color);
    box-shadow: var(--glow-effect);
}

/* Hero Section */
.hero {
    padding: 64px 0 40px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
}

/* Category Filters & Search */
.controls-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 40px;
}

.search-box {
    position: relative;
    max-width: 320px;
    width: 100%;
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition-smooth);
}

.search-box input:focus {
    border-color: var(--accent-color);
    box-shadow: var(--glow-effect);
}

.search-box svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 16px;
    height: 16px;
}

.categories-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.category-tab {
    padding: 10px 18px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-smooth);
}

.category-tab:hover, .category-tab.active {
    background-color: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
    box-shadow: var(--glow-effect);
}

/* Tools Grid Layout */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.tool-card {
    background: var(--bg-card);
    backdrop-filter: var(--card-blur);
    -webkit-backdrop-filter: var(--card-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 200px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-smooth);
}

.tool-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: 0 12px 30px var(--shadow-color), var(--glow-effect);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.tool-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background: var(--accent-light);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: var(--transition-smooth);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1);
}

.tool-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.tool-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
}

.tool-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-color);
}

.tool-badge {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Tool Interactive Shell (Container for Tool Page) */
.tool-workspace {
    max-width: 800px;
    margin: 40px auto;
    background: var(--bg-card);
    backdrop-filter: var(--card-blur);
    -webkit-backdrop-filter: var(--card-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: 0 20px 50px var(--shadow-color);
}

.tool-title-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.tool-title-row h1 {
    font-size: 32px;
}

.tool-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Drag & Drop Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: rgba(255, 255, 255, 0.01);
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent-color);
    background-color: var(--accent-light);
    box-shadow: var(--glow-effect);
}

.upload-icon {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 16px;
    transition: var(--transition-smooth);
}

.upload-zone:hover .upload-icon {
    transform: translateY(-5px);
}

.upload-text {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

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

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

/* Processing & Control States */
.tool-controls {
    margin-top: 32px;
    display: none;
    animation: fadeIn 0.4s ease;
}

.control-group {
    margin-bottom: 24px;
}

.control-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.range-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 5px;
    background: var(--border-color);
    outline: none;
    transition: var(--transition-smooth);
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    box-shadow: var(--glow-effect);
    transition: var(--transition-smooth);
}

.range-slider::-webkit-slider-thumb:hover {
    background: var(--accent-hover);
    transform: scale(1.1);
}

.file-list {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.file-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-details {
    display: flex;
    flex-direction: column;
}

.file-name {
    font-size: 14px;
    font-weight: 600;
}

.file-size {
    font-size: 11px;
    color: var(--text-muted);
}

.btn-remove {
    background: transparent;
    border: none;
    color: var(--error);
    cursor: pointer;
    font-size: 14px;
}

/* Primary Action Buttons */
.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    border: none;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-effect);
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    border-color: var(--accent-color);
}

.actions-row {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.actions-row button {
    flex: 1;
}

/* Loader / Processing Visual Feedback */
.progress-container {
    display: none;
    margin-top: 24px;
    text-align: center;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width 0.2s ease;
}

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

/* Results panel */
.result-panel {
    display: none;
    margin-top: 32px;
    padding: 24px;
    background: var(--success-light);
    border: 1px solid var(--success);
    border-radius: var(--border-radius-md);
    text-align: center;
    animation: slideUp 0.4s ease;
}

.result-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--success);
    margin-bottom: 8px;
}

.result-details {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* SEO Content & FAQ Layouts */
.seo-section {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.01);
}

.seo-content {
    max-width: 800px;
    margin: 0 auto;
}

.seo-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

.seo-content p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.seo-content ol, .seo-content ul {
    margin-left: 20px;
    margin-bottom: 24px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.seo-content li {
    margin-bottom: 8px;
}

/* FAQ Accordion */
.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
}

.faq-item {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.faq-question {
    padding: 18px 24px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

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

.faq-question svg {
    transition: var(--transition-smooth);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px 24px;
    max-height: 1000px;
    transition: max-height 0.3s cubic-bezier(1, 0, 1, 0), padding 0.3s ease;
}

/* Blog layouts */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.blog-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-smooth);
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 12px 30px var(--shadow-color);
}

.blog-image {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    background-color: var(--bg-tertiary);
}

.blog-category-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--accent-gradient);
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 600;
}

.blog-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
}

.blog-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.35;
    color: var(--text-primary);
}

.blog-summary {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 20px;
}

.blog-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

.read-more-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-color);
}

/* Single Post layout */
.post-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    margin-top: 40px;
    margin-bottom: 80px;
}

.post-main {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
}

.post-header {
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
}

.post-meta-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.post-header h1 {
    font-size: 36px;
    line-height: 1.25;
}

.post-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.post-content h3 {
    font-size: 22px;
    margin: 32px 0 16px;
    color: var(--text-primary);
}

.post-content h4 {
    font-size: 18px;
    margin: 24px 0 12px;
    color: var(--text-primary);
}

.post-content p {
    margin-bottom: 24px;
}

.post-content ul, .post-content ol {
    margin-left: 24px;
    margin-bottom: 24px;
}

.post-content li {
    margin-bottom: 8px;
}

.post-content hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 32px 0;
}

.sidebar-widget {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
    margin-bottom: 24px;
}

.widget-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    border-left: 3px solid var(--accent-color);
    padding-left: 10px;
}

.widget-tools-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.widget-tool-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.widget-tool-item:hover {
    border-color: var(--accent-color);
    background-color: var(--accent-light);
}

.widget-tool-icon {
    color: var(--accent-color);
    font-size: 16px;
}

/* Footer styling */
footer {
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    margin-top: auto;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 22px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.footer-logo span {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

.footer-description {
    color: var(--text-muted);
    line-height: 1.5;
    max-width: 240px;
}

.footer-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 15px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 12px;
}

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dynamic Specific Tool styles (Merge, Split previews) */
.pdf-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.pdf-preview-item {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    text-align: center;
    position: relative;
}

.pdf-page-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-color);
    margin-top: 8px;
}

.pdf-checkbox {
    position: absolute;
    top: 8px;
    right: 8px;
}

/* Custom styles for Password Strength */
.password-box {
    position: relative;
    margin-bottom: 16px;
}

.password-input {
    width: 100%;
    padding: 16px 50px 16px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 20px;
    font-family: monospace;
    font-weight: 700;
    text-align: center;
    outline: none;
}

.btn-copy {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--accent-light);
    border: none;
    color: var(--accent-color);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-copy:hover {
    background: var(--accent-color);
    color: #ffffff;
}

.strength-meter {
    height: 6px;
    border-radius: 3px;
    background-color: var(--border-color);
    overflow: hidden;
    margin-bottom: 24px;
}

.strength-bar {
    height: 100%;
    width: 0%;
    transition: var(--transition-smooth);
}

.strength-text {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

/* QR Code styling */
.qr-preview-wrapper {
    background-color: #ffffff;
    padding: 24px;
    border-radius: var(--border-radius-md);
    display: inline-block;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.qr-settings {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

/* Image compressor sizes review */
.compress-stats-row {
    display: flex;
    justify-content: space-around;
    gap: 24px;
    margin-bottom: 24px;
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.stat-box {
    text-align: center;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.stat-val {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-color);
}

.savings-badge {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--success-light);
    color: var(--success);
    border-radius: 20px;
    font-weight: 700;
    font-size: 14px;
}

/* Responsive grid for Single Post Layout */
@media (max-width: 992px) {
    .post-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    .header-container {
        padding: 0 16px;
    }
    .nav-links {
        gap: 16px;
    }
    .tool-workspace {
        padding: 24px;
    }
    .tool-title-row h1 {
        font-size: 24px;
    }
}