/* ==========================================
   1. CSS Variables & Theme System
========================================== */
:root {
    --bg-color: #f8fafc;
    --bg-alt: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --section-bg: #f8fafc;

    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: rgba(37, 99, 235, 0.1);
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;

    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --radius: 0.75rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);

    /* Responsive font scale */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
}

[data-theme="dark"] {
    --bg-color: #0b0f19;
    --bg-alt: #111827;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #1f2937;
    --card-bg: #111827;
    --section-bg: #0b0f19;

    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-light: rgba(59, 130, 246, 0.12);

    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
}

/* ==========================================
   2. Reset & Base Styles
========================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.2s ease, color 0.2s ease;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main { flex: 1; }

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

a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

ul { list-style: none; }
img, svg { max-width: 100%; height: auto; }

img {
    width: auto;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.hidden { display: none !important; }
.bg-alt { background-color: var(--bg-alt); }

/* ==========================================
   3. Buttons & Forms
========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    font-family: var(--font-family);
    line-height: 1;
    min-height: 44px;
    min-width: 44px;
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.btn-block { width: 100%; }

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
    transform: translateY(-1px);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--card-bg);
    border-color: var(--text-muted);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-color);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    min-height: 44px;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.form-control:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.input-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================
   4. Header & Navigation
========================================== */
.site-header, header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition), border-color var(--transition);
}

[data-theme="dark"] .site-header,
[data-theme="dark"] header {
    background: rgba(11, 15, 25, 0.88);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 2px;
    color: var(--text-main);
}

.logo span { color: var(--accent); }

.brand-name {
    display: inline-flex;
    align-items: center;
    gap: 0;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.brand-t {
    color: #2563eb;
    font-weight: 700;
}

.footer-brand {
    display: block;
    margin-bottom: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.section-heading-centered {
    text-align: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-main);
    border-bottom-color: var(--accent);
}

.get-started-btn {
    margin-left: 16px;
    border-bottom: none !important;
    padding: 10px 20px !important;
}

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

.theme-toggle-btn {
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    min-width: 44px;
    min-height: 44px;
}

.theme-toggle-btn:hover { background: rgba(128, 128, 128, 0.12); }
.theme-toggle-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme-toggle-btn svg { pointer-events: none; transition: all 0.3s ease; }

/* Theme icon visibility */
[data-theme="dark"] #moonIcon { display: none !important; }
[data-theme="light"] #sunIcon,
html:not([data-theme="dark"]) #sunIcon { display: none !important; }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    padding: 4px;
    min-width: 44px;
    min-height: 44px;
}
.mobile-menu-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ==========================================
   5. Breadcrumb Navigation
========================================== */
.breadcrumb {
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.breadcrumb-item a {
    color: var(--accent);
    font-weight: 500;
    transition: var(--transition);
}

.breadcrumb-item a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.breadcrumb-item::after {
    content: '/';
    color: var(--text-muted);
    opacity: 0.4;
    font-size: 0.8rem;
}

.breadcrumb-item:last-child::after { content: ''; }
.breadcrumb-item:last-child {
    color: var(--text-main);
    font-weight: 600;
}

/* Schema.org breadcrumb support */
.breadcrumb ol {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb ol li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.breadcrumb ol li a {
    color: var(--accent);
    font-weight: 500;
    transition: var(--transition);
}

.breadcrumb ol li a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.breadcrumb ol li::after {
    content: '/';
    color: var(--text-muted);
    opacity: 0.4;
    font-size: 0.8rem;
}

.breadcrumb ol li:last-child::after { content: ''; }
.breadcrumb ol li:last-child {
    color: var(--text-main);
    font-weight: 600;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
}

/* ==========================================
   6. Hero Section
========================================== */
.hero {
    padding: 80px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #0f172a 0%, #1e40af 50%, #0f172a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .hero h1 {
    background: linear-gradient(135deg, #f8fafc 0%, #93c5fd 50%, #f8fafc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 100px;
    padding: 6px 14px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 24px;
}

/* ==========================================
   7. Homepage Tool Directory
========================================== */
.section-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.tool-directory {
    padding: 80px 0;
    background-color: var(--bg-alt);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    align-items: start;
}

.tool-column {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.tool-column:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
    border-color: rgba(37, 99, 235, 0.3);
}

.tool-column-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.tool-column-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
}

.card-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: var(--accent-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.tool-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tool-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 14px;
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 1px solid transparent;
    min-height: 44px;
}

.tool-list a:hover {
    background-color: var(--accent-light);
    border-color: rgba(37, 99, 235, 0.2);
    color: var(--accent);
    transform: translateX(4px);
}

.tool-list a svg {
    width: 16px;
    height: 16px;
    opacity: 0.4;
    flex-shrink: 0;
    transition: var(--transition);
}

.tool-list a:hover svg { opacity: 1; transform: translateX(2px); }

/* ==========================================
   8. Features Section
========================================== */
.features {
    padding: 80px 0;
    background-color: var(--bg-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    text-align: center;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--accent);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
}

.feature-item svg {
    width: 48px;
    height: 48px;
    color: var(--accent);
    margin-bottom: 20px;
    padding: 10px;
    background: var(--accent-light);
    border-radius: 12px;
}

.feature-item h3 { margin-bottom: 12px; font-size: 1.2rem; }
.feature-item p { color: var(--text-muted); font-size: 0.98rem; line-height: 1.7; }

/* ==========================================
    9. FAQ Section
========================================== */
.faq,
.faq-section {
    padding: 80px 0;
    background-color: var(--bg-alt);
}

.faq-section .container,
.faq .container {
    max-width: 800px;
}

.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.faq-section h2,
.faq h2 {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover { border-color: rgba(37, 99, 235, 0.3); }

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 24px;
    background: none;
    border: none;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.5;
    transition: background 0.2s ease;
    min-height: 44px;
}

.faq-question:hover {
    background: rgba(37, 99, 235, 0.03);
}

.faq-question:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    border-radius: var(--radius-md);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    color: var(--text-muted);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    padding-bottom: 20px;
    max-height: 600px;
}

.faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    color: var(--text-muted);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--accent);
}

/* Static FAQ (H3 pattern used by image/PDF tools) */
.faq-section .faq-item h3 {
    cursor: pointer;
    user-select: none;
}

/* FAQ schema support */
.faq-section .faq-item[itemscope] .faq-answer {
    max-height: none;
    padding: 0 24px 20px;
}

.faq-section .faq-item[itemscope]:not(.active) .faq-answer {
    max-height: 0;
    padding: 0 24px;
}

/* ==========================================
   10. Trust Signals / Stats Section
========================================== */
.trust-section {
    padding: 60px 0;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.trust-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -1px;
    line-height: 1;
}

.trust-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Global counter (existing compat) */
.global-counter-section {
    background: var(--bg-color);
    padding: 40px 24px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.counter-container {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    background: var(--card-bg);
    padding: 24px 48px;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.counter-label {
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.counter-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.counter-sub {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: 8px;
}

/* ==========================================
   11. Newsletter Section
========================================== */
.newsletter-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
    text-align: center;
}

.newsletter-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: white;
    margin-bottom: 12px;
}

.newsletter-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-lg);
    margin-bottom: 32px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 240px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    border: none;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    background: white;
    color: #0f172a;
    min-height: 48px;
}

.newsletter-form input:focus {
    box-shadow: 0 0 0 3px rgba(255,255,255,0.4);
}

.newsletter-form .btn {
    background: #0f172a;
    color: white;
    white-space: nowrap;
    min-height: 48px;
}

.newsletter-form .btn:hover {
    background: #1e293b;
    transform: translateY(-1px);
}

/* ==========================================
   12. AdSense Ad Containers
========================================== */
.ad-container {
    margin: 32px auto;
    text-align: center;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 4px;
    opacity: 0.6;
}

/* ==========================================
   13. Toast Notifications
========================================== */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    background: var(--card-bg);
    color: var(--text-main);
    border-left: 4px solid var(--accent);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow-hover);
    transform: translateX(120%);
    transition: transform 0.35s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    font-weight: 500;
    font-size: 0.95rem;
    max-width: 360px;
    pointer-events: auto;
}

.toast.show { transform: translateX(0); }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

/* ==========================================
   14. Tool Pages — Dropzone / Workspace
========================================== */
.workspace {
    max-width: 800px;
    margin: 0 auto 80px;
    padding: 0 24px;
}

.upload-area,
.dropzone {
    border: 2px dashed var(--border-color);
    padding: 60px 20px;
    text-align: center;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    position: relative;
}

.upload-area:hover,
.dropzone:hover,
.upload-area.dragover,
.dropzone.dragover {
    border-color: var(--accent);
    background: var(--accent-light);
}

[data-theme="dark"] .upload-area,
[data-theme="dark"] .dropzone {
    background: var(--card-bg);
}

[data-theme="dark"] .upload-area:hover,
[data-theme="dark"] .dropzone:hover,
[data-theme="dark"] .upload-area.dragover,
[data-theme="dark"] .dropzone.dragover {
    background: rgba(59, 130, 246, 0.08);
}

.dropzone h3 { margin-bottom: 8px; font-size: 1.5rem; color: var(--text-main); }
.dropzone p { color: var(--text-muted); }

.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: grab;
    transition: var(--transition);
}

.file-item:active { cursor: grabbing; }

.remove-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    padding: 4px;
    min-width: 44px;
    min-height: 44px;
}

.remove-btn:hover { color: var(--danger); }
.remove-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Spinner */
.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 24px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.success-icon { color: var(--success); margin-bottom: 16px; }

/* Tool Header (inner pages) */
.tool-header {
    text-align: center;
    padding: 56px 24px 48px;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border-color);
}

.tool-header h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.tool-header p {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 100px;
    padding: 5px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Related tools block */
.related-tools {
    margin: 60px 0;
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.related-tools h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.related-tool-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    background: var(--bg-color);
    transition: var(--transition);
    min-height: 44px;
}

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

/* Tool Suggestions (immediately after tool interface) */
.suggestions-section {
    padding: 48px 0;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 28px;
}
.suggestion-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--card-shadow);
}
.suggestion-card:hover {
    border-color: var(--accent);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
}
.suggestion-card-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: var(--accent-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 12px;
}
.suggestion-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}
.suggestion-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.5;
    flex: 1;
}
.suggestion-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-light);
    transition: var(--transition);
    border: 1px solid transparent;
    min-height: 36px;
}
.suggestion-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.suggestion-card:hover .suggestion-btn {
    background: var(--accent);
    color: white;
    border-color: transparent;
}

@media (max-width: 768px) {
    .suggestions-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .suggestions-grid { grid-template-columns: 1fr; }
}

/* ==========================================
    15. Content Sections (SEO blocks)
========================================== */
.content-section {
    padding: 80px 0;
    line-height: 1.8;
    color: var(--text-muted);
}

.content-section h2 {
    color: var(--text-main);
    font-size: var(--font-size-2xl);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    font-weight: 800;
    text-align: center;
}

.content-section h3 {
    color: var(--text-main);
    font-size: 1.35rem;
    margin: 36px 0 14px;
    font-weight: 700;
}

.content-section p { margin-bottom: 16px; font-size: 1rem; }
.content-section ul { margin-bottom: 24px; padding-left: 20px; list-style-type: disc; }
.content-section li { margin-bottom: 10px; font-size: 1rem; }

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.content-card {
    background: var(--card-bg);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    transition: var(--transition);
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(37, 99, 235, 0.3);
}

.content-card .card-icon {
    margin: 0 auto 20px;
    width: 60px;
    height: 60px;
    border-radius: 12px;
}

.content-card h3 {
    color: var(--text-main);
    font-size: 1.2rem;
    margin: 0 0 12px;
}

.content-card p {
    font-size: 0.95rem;
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Policy pages */
.policy-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 24px;
    min-height: 60vh;
}

.policy-section h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: 8px;
}

.policy-section .last-updated {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 0.95rem;
}

.policy-section section {
    margin-bottom: 40px;
}

.policy-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.policy-section p,
.policy-section li {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 8px;
}

.policy-section ul {
    list-style-type: disc;
    margin-left: 24px;
    margin-bottom: 16px;
}

/* ==========================================
   16. Footer
========================================== */
.site-footer, footer {
    background: #0b0f19;
    color: #9ca3af;
    padding: 60px 0 0;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-weight: 700;
    font-size: 1rem;
}

.footer-desc {
    margin-bottom: 20px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul li a {
    color: #9ca3af;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-col ul li a:hover { color: white; }

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: #1f2937;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #1f2937;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-bottom a {
    color: #6b7280;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-bottom a:hover { color: white; }

/* ==========================================
   17. Responsive Design
========================================== */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.75rem;
    }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Tablets */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .container { padding: 0 20px; }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-alt);
        flex-direction: column;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--card-shadow-hover);
        align-items: flex-start;
        gap: 4px;
        z-index: 99;
    }

    .nav-links a {
        width: 100%;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
        font-size: 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .nav-links a:last-child { border-bottom: none; }
    .nav-links.active { display: flex; }
    .get-started-btn { margin-left: 0; margin-top: 10px; width: 100%; text-align: center; }
    .mobile-menu-btn { display: block; }

    .hero { padding: 60px 0 40px; }
    .hero p { font-size: var(--font-size-lg); }

    .hero-btns { flex-direction: column; align-items: center; }
    .hero-btns .btn { width: 100%; max-width: 300px; }

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

    .tool-directory { padding: 60px 0; }
    .features { padding: 60px 0; }
    .faq, .faq-section { padding: 60px 0; }
    .newsletter-section { padding: 60px 0; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 12px; }

    .newsletter-form { flex-direction: column; }
    .newsletter-form input { min-width: unset; width: 100%; }
    .newsletter-form .btn { width: 100%; }

    .related-tools { padding: 24px; margin: 40px 0; }

    .tool-header { padding: 40px 20px 32px; }
}

/* Large phones */
@media (max-width: 640px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
    }

    .container { padding: 0 16px; }

    .grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .content-grid { grid-template-columns: 1fr; }

    .tool-header h1 { font-size: var(--font-size-3xl); }
}

/* Small phones */
@media (max-width: 480px) {
    :root {
        --font-size-5xl: 1.75rem;
        --font-size-4xl: 1.5rem;
        --font-size-3xl: 1.35rem;
    }

    .hero { padding: 48px 0 32px; }
    .hero-badge { font-size: var(--font-size-xs); padding: 4px 12px; }

    .tool-directory { padding: 48px 0; }
    .features { padding: 48px 0; }
    .faq, .faq-section { padding: 48px 0; }
    .newsletter-section { padding: 48px 0; }

    .footer-grid { grid-template-columns: 1fr; gap: 24px; }

    .counter-container { padding: 20px 32px; }
    .counter-number { font-size: 2.5rem; }

    .related-tools-grid { grid-template-columns: 1fr; }

    .policy-section { padding: 40px 16px; }
    .policy-section h1 { font-size: var(--font-size-3xl); }
}

/* Ultra-wide screens */
@media (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }
}

/* ==========================================
   18. Utilities
========================================== */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 8px;
    background: var(--accent);
    color: white;
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    font-weight: 600;
    z-index: 999;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid white;
    outline-offset: 2px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Progress Bar */
.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 16px 0;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Status states */
.processing-state {
    display: none;
    margin-top: 24px;
    text-align: center;
}

.success-state {
    display: none;
    margin-top: 24px;
    text-align: center;
    padding: 32px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-lg);
}

[data-theme="dark"] .success-state {
    background: rgba(16, 185, 129, 0.06);
}

/* Hide empty ad containers */
.ad-container:empty, .ad-placeholder:empty { display: none; }

/* Responsive Ad Visibility */
.ad-desktop { display: block; }
.ad-tablet { display: block; }
.ad-mobile { display: none; }
.ad-all { display: block; }

/* 728x90 responsive wrapper */
.ad-banner-728 {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90px;
    margin: 32px auto;
    text-align: center;
    overflow: hidden;
}

/* 468x60 responsive wrapper */
.ad-banner-468 {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60px;
    margin: 32px auto;
    text-align: center;
    overflow: hidden;
}

/* 300x250 responsive wrapper */
.ad-rectangle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    margin: 32px auto;
    text-align: center;
    overflow: hidden;
}

/* 320x50 responsive wrapper */
.ad-mobile-banner {
    display: none;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    margin: 32px auto;
    text-align: center;
    overflow: hidden;
}

/* 160x300 responsive wrapper */
.ad-skyscraper-160-300 {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    margin: 32px auto;
    text-align: center;
    overflow: hidden;
}

/* 160x600 responsive wrapper */
.ad-skyscraper-160-600 {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
    margin: 32px auto;
    text-align: center;
    overflow: hidden;
}

/* Native banner container */
.ad-native {
    margin: 40px auto;
    text-align: center;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Smartlink */
.smartlink-wrapper {
    text-align: center;
    margin: 24px auto;
    padding: 16px;
}
.smartlink-wrapper a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    min-height: 44px;
}
.smartlink-wrapper a:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

/* Hide 728x90 on tablet and below */
@media (max-width: 1024px) {
    .ad-desktop { display: none; }
}

/* Show 468x60 on desktop/tablet, hide on mobile */
@media (max-width: 640px) {
    .ad-tablet { display: none; }
}

/* Show 320x50 only on mobile */
@media (max-width: 640px) {
    .ad-mobile { display: flex; }
    .ad-mobile-banner { display: flex; }
}

/* Hide 160x300 and 160x600 on tablet/mobile */
@media (max-width: 1024px) {
    .ad-skyscraper-160-300 { display: none; }
    .ad-skyscraper-160-600 { display: none; }
}

/* ==========================================
   DESKTOP SIDE AD RAILS
   Sticky side ads for wide screens (1440px+)
   Uses empty whitespace on left/right margins
========================================== */
.ad-rail {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 170px;
    z-index: 100;
    display: none;
    pointer-events: none;
}
.ad-rail-inner {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 16px 5px;
}
.ad-rail .ad-skyscraper-160-600,
.ad-rail .ad-skyscraper-160-300 {
    display: flex !important;
    margin: 0;
    min-height: unset;
}
.ad-rail-left {
    left: 0;
    justify-content: flex-start;
}
.ad-rail-right {
    right: 0;
    justify-content: flex-start;
}

/* Show side rails on wide desktops only (1440px+) */
@media (min-width: 1440px) {
    .ad-rail {
        display: block;
    }
}

/* Hide side rails on smaller screens */
@media (max-width: 1439px) {
    .ad-rail {
        display: none !important;
    }
}

/* Ensure main content doesn't overlap side rails */
@media (min-width: 1440px) {
    body {
        position: relative;
    }
}

/* Native banner is visible on all devices */

/* ==========================================
   RESPONSIVE AD ABOVE FAQ SECTION
   Fills existing whitespace above FAQ
   728x90 (desktop) / 468x60 (tablet) / 320x50 (mobile)
========================================== */
.ad-above-faq {
    text-align: center;
    padding: 24px 0;
    margin: 0 auto;
}
.ad-above-faq-728,
.ad-above-faq-468,
.ad-above-faq-320 {
    display: none;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    overflow: hidden;
}

/* Desktop: show 728x90 */
@media (min-width: 1024px) {
    .ad-above-faq-728 {
        display: flex;
        min-height: 90px;
    }
}

/* Tablet: show 468x60 */
@media (min-width: 768px) and (max-width: 1023px) {
    .ad-above-faq-468 {
        display: flex;
        min-height: 60px;
    }
}

/* Mobile: show 320x50 */
@media (max-width: 767px) {
    .ad-above-faq-320 {
        display: flex;
        min-height: 50px;
    }
}

/* ==========================================
   RESPONSIVE AD ABOVE EXPLORE TOOLS SECTION
   300x250 center + 160x300 sides (desktop)
   300x250 center (tablet)
   320x50 center (mobile)
========================================== */
.ad-above-explore {
    padding: 24px 0;
    text-align: center;
}
.ad-above-explore-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin: 0 auto;
}
.ad-above-explore-side {
    display: none;
}
.ad-above-explore-center {
    display: flex;
    justify-content: center;
    align-items: center;
}
.ad-above-explore-300,
.ad-above-explore-320 {
    display: none;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    overflow: hidden;
}

/* Desktop (≥1024px): 300x250 center + 160x300 sides */
@media (min-width: 1024px) {
    .ad-above-explore-side {
        display: flex;
        flex-shrink: 0;
    }
    .ad-above-explore-side .ad-skyscraper-160-300 {
        display: flex;
        min-height: 300px;
        margin: 0;
    }
    .ad-above-explore-300 {
        display: flex;
        min-height: 250px;
    }
}

/* Tablet (768–1023px): 300x250 center only */
@media (min-width: 768px) and (max-width: 1023px) {
    .ad-above-explore-300 {
        display: flex;
        min-height: 250px;
    }
}

/* Mobile (<768px): 320x50 center */
@media (max-width: 767px) {
    .ad-above-explore-320 {
        display: flex;
        min-height: 50px;
    }
}

/* ==========================================
   RESPONSIVE AD ABOVE GUIDES SECTION
   300x250 (desktop) / 468x60 (tablet) / 320x50 (mobile)
========================================== */
.ad-above-guides {
    text-align: center;
    padding: 24px 0;
    margin: 0 auto;
}
.ad-above-guides-300,
.ad-above-guides-468,
.ad-above-guides-320 {
    display: none;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    overflow: hidden;
}

/* Desktop (≥1024px): 300x250 */
@media (min-width: 1024px) {
    .ad-above-guides-300 {
        display: flex;
        min-height: 250px;
    }
}

/* Tablet (768–1023px): 468x60 */
@media (min-width: 768px) and (max-width: 1023px) {
    .ad-above-guides-468 {
        display: flex;
        min-height: 60px;
    }
}

/* Mobile (<768px): 320x50 */
@media (max-width: 767px) {
    .ad-above-guides-320 {
        display: flex;
        min-height: 50px;
    }
}

/* Between-sections ad spacing */
.ad-section-gap {
    padding: 32px 0;
    text-align: center;
}

/* Secondary smartlink (different CTA text) */
.smartlink-secondary {
    text-align: center;
    margin: 32px auto;
    padding: 16px;
}
.smartlink-secondary a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--card-bg);
    color: var(--accent);
    border: 2px solid var(--accent);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    min-height: 44px;
    text-decoration: none;
}
.smartlink-secondary a:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

/* Inline ad between content blocks */
.ad-inline {
    margin: 40px auto;
    text-align: center;
}

/* Error message */
.error-message {
    color: #ef4444;
    margin-top: 16px;
    font-weight: 500;
    font-size: 0.95rem;
}

/* ==========================================
   19. Explore All Free Tools - Categorized Grid
========================================== */
.explore-all-tools {
    padding: 80px 0;
    background: var(--bg-alt);
}

.explore-all-tools .section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto 48px;
}

.explore-category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.explore-category-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.explore-category-card:hover {
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.explore-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.explore-category-header svg {
    width: 24px;
    height: 24px;
    color: var(--accent);
    flex-shrink: 0;
}

.explore-category-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.explore-category-tools {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.explore-category-tool {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    color: var(--text-main);
    text-decoration: none;
    min-height: 44px;
}

.explore-category-tool:hover {
    background: var(--accent-light);
}

.explore-category-tool svg {
    width: 16px;
    height: 16px;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 3px;
}

.explore-tool-info {
    flex: 1;
    min-width: 0;
}

.explore-tool-info .tool-name {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
}

.explore-category-tool:hover .tool-name {
    color: var(--accent);
}

.explore-tool-info .tool-desc {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: 1px;
}

@media (max-width: 1024px) {
    .explore-category-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .explore-all-tools { padding: 60px 0; }
    .explore-category-grid { grid-template-columns: 1fr; }
    .explore-category-card { padding: 24px 20px; }
}

[data-theme="dark"] .explore-category-card {
    background: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .explore-category-tool:hover {
    background: var(--accent-light);
}

/* ==========================================
   20. Reduced Motion Preference
========================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}