/* ============================================
   HelpDeskGuides.com — Design System
   ============================================ */

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

/* --- Custom Properties --- */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-secondary: #0f172a;
    --color-accent: #06b6d4;
    --color-success: #16a34a;
    --color-warning: #f59e0b;
    --color-error: #dc2626;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-lighter: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-dark: #cbd5e1;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

    --container-max: 1200px;
    --header-height: 64px;

    --transition: 0.2s ease;
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main {
    flex: 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* --- Accessibility --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .container { padding: 0 32px; }
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-secondary);
    font-weight: 700;
    font-size: 1.15rem;
    text-decoration: none;
}

.site-logo:hover { color: var(--color-secondary); }

.site-name-accent {
    color: var(--color-primary);
}

/* Nav */
.nav-list {
    display: flex;
    list-style: none;
    gap: 4px;
}

.nav-link {
    display: block;
    padding: 8px 14px;
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

@media (max-width: 767px) {
    .nav-toggle { display: flex; }
    .nav-list {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: 12px 20px;
        box-shadow: var(--shadow-lg);
    }
    .nav-list.open { display: flex; }
}

/* ============================================
   HERO
   ============================================ */
.hero {
    padding: 60px 0 48px;
    text-align: center;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #eef2ff 100%);
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-secondary);
    max-width: 720px;
    margin: 0 auto 16px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-light);
    max-width: 560px;
    margin: 0 auto 32px;
}

/* Search */
.search-form {
    display: flex;
    max-width: 520px;
    margin: 0 auto;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-form:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-input {
    flex: 1;
    padding: 14px 18px;
    border: none;
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: transparent;
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-lighter);
}

.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 18px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background var(--transition);
}

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

.search-form-page {
    margin: 24px 0;
}

/* ============================================
   SECTIONS
   ============================================ */
.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.categories-section {
    padding: 48px 0;
}

.featured-section {
    padding: 48px 0;
    background: var(--color-bg-alt);
}

/* ============================================
   CATEGORY GRID
   ============================================ */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.category-card {
    display: block;
    padding: 24px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition);
}

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

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--cat-color, var(--color-primary)) 10%, transparent);
    color: var(--cat-color, var(--color-primary));
    margin-bottom: 14px;
}

.category-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 6px;
}

.category-desc {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* ============================================
   TOOL GRID / CARDS
   ============================================ */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.tool-card {
    display: block;
    padding: 20px 24px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition);
    position: relative;
}

.tool-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.tool-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 6px;
}

.tool-card-desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: 8px;
}

.tool-card-arrow {
    color: var(--color-primary);
    font-size: 1.1rem;
    transition: transform var(--transition);
}

.tool-card:hover .tool-card-arrow {
    transform: translateX(4px);
    display: inline-block;
}

/* ============================================
   TOOL PAGE
   ============================================ */
.tool-page {
    padding: 32px 0 64px;
}

.breadcrumb {
    margin-bottom: 20px;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 4px;
    font-size: 0.85rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    color: var(--color-text-lighter);
    margin-right: 4px;
}

.breadcrumb-item a {
    color: var(--color-text-light);
}

.breadcrumb-item a:hover {
    color: var(--color-primary);
}

.breadcrumb-item:last-child {
    color: var(--color-text);
    font-weight: 500;
}

.tool-h1 {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.tool-intro {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 640px;
    margin-bottom: 28px;
    line-height: 1.6;
}

/* ============================================
   TOOL AREA
   ============================================ */
.tool-area {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 32px;
}

/* Upload zone */
.upload-zone {
    border: 2px dashed var(--color-border-dark);
    border-radius: var(--radius-md);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--color-bg);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.upload-icon {
    color: var(--color-text-lighter);
    margin-bottom: 12px;
}

.upload-text {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 8px;
}

.upload-browse {
    color: var(--color-primary);
    font-weight: 600;
    cursor: pointer;
}

.upload-browse:hover {
    text-decoration: underline;
}

.upload-formats {
    font-size: 0.85rem;
    color: var(--color-text-lighter);
}

.file-input {
    display: none;
}

/* Tool options */
.tool-options {
    margin-top: 24px;
}

.option-group {
    margin-bottom: 20px;
}

.option-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.preset-btn {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-sans);
}

.preset-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.preset-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.custom-size {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.input-field,
.input-select {
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

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

.btn-success {
    background: var(--color-success);
    color: #fff;
}

.btn-success:hover {
    background: #15803d;
    color: #fff;
}

.tool-action-btn {
    margin-top: 8px;
    padding: 14px 36px;
    font-size: 1.05rem;
}

/* Progress */
.tool-progress {
    margin-top: 24px;
    text-align: center;
}

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

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

.progress-text {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Result */
.tool-result {
    margin-top: 24px;
    text-align: center;
}

.result-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

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

.result-stat-label {
    font-size: 0.8rem;
    color: var(--color-text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.result-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.result-stat-value.success {
    color: var(--color-success);
}

.result-stat-value.warn {
    color: var(--color-warning, #d97706);
}

.result-note {
    flex-basis: 100%;
    width: 100%;
    margin: 10px 0 0;
    padding: 10px 14px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
    color: #92400e;
    font-size: 0.85rem;
    line-height: 1.5;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Text tools */
.tool-text-input,
.tool-text-output {
    margin-bottom: 16px;
}

.tool-textarea {
    width: 100%;
    min-height: 200px;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    resize: vertical;
    line-height: 1.6;
    transition: border-color var(--transition);
}

.tool-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.tool-text-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.stat-item {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.stat-item strong {
    color: var(--color-secondary);
    font-weight: 700;
}

/* Privacy notice */
.privacy-notice {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
    padding: 12px 16px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-sm);
}

.privacy-notice svg {
    flex-shrink: 0;
    color: var(--color-success);
}

/* ============================================
   TOOL SECTIONS (How it works, FAQ, Related)
   ============================================ */
.tool-section {
    margin-bottom: 40px;
}

.tool-section h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

/* How it works */
.how-it-works {
    list-style: none;
    counter-reset: steps;
}

.how-it-works li {
    counter-increment: steps;
    padding: 12px 0 12px 48px;
    position: relative;
    font-size: 0.95rem;
    color: var(--color-text);
    border-left: 2px solid var(--color-border);
    margin-left: 16px;
}

.how-it-works li::before {
    content: counter(steps);
    position: absolute;
    left: -17px;
    top: 10px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
}

.how-it-works li:last-child {
    border-left-color: transparent;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.faq-item[open] {
    border-color: var(--color-primary-light);
}

.faq-question {
    padding: 14px 18px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-secondary);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition);
}

.faq-question:hover {
    background: var(--color-bg-alt);
}

.faq-question::after {
    content: '+';
    font-size: 1.2rem;
    color: var(--color-text-lighter);
    transition: transform var(--transition);
}

.faq-item[open] .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 18px 14px;
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Related tools */
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.related-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition);
}

.related-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.related-card-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.related-card-arrow {
    color: var(--color-primary);
    font-size: 1rem;
}

/* ============================================
   CATEGORY PAGE
   ============================================ */
.category-page {
    padding: 32px 0 64px;
}

.category-h1 {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.category-intro {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 640px;
    margin-bottom: 32px;
}

/* ============================================
   SEARCH PAGE
   ============================================ */
.search-page {
    padding: 32px 0 64px;
}

.search-h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.search-count {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.search-empty {
    font-size: 1rem;
    color: var(--color-text-light);
    margin: 24px 0;
}

.search-suggestions h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.search-suggestions ul {
    list-style: none;
}

.search-suggestions li {
    margin-bottom: 8px;
}

/* ============================================
   ERROR PAGE
   ============================================ */
.error-page {
    padding: 80px 0;
    text-align: center;
}

.error-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.error-text {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
}

.error-search {
    max-width: 480px;
    margin: 0 auto 24px;
}

.error-link a {
    font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-bg-dark);
    color: #cbd5e1;
    padding: 48px 0 24px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

@media (max-width: 767px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand .site-logo {
    color: #fff;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: #94a3b8;
    line-height: 1.5;
}

.footer-links h3 {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.875rem;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 20px;
    text-align: center;
    font-size: 0.8rem;
    color: #64748b;
}

/* ============================================
   FILE LIST (batch operations)
   ============================================ */
.file-list {
    margin-top: 20px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.file-item-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 60%;
}

.file-item-size {
    font-size: 0.8rem;
    color: var(--color-text-lighter);
}

.file-item-actions {
    display: flex;
    gap: 8px;
}

.file-item-btn {
    padding: 4px 12px;
    font-size: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
}

.file-item-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ============================================
   STATIC PAGES
   ============================================ */
.static-page {
    padding: 32px 0 64px;
}

.static-content {
    max-width: 720px;
}

.static-content h1 {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.static-content h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin: 28px 0 12px;
}

.static-content p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 16px;
}

.static-content ul {
    margin: 0 0 16px 20px;
    line-height: 1.7;
}

.static-content li {
    margin-bottom: 6px;
    color: var(--color-text);
}

.static-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ============================================
   SEARCH DROPDOWN
   ============================================ */
.search-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 10px;
    margin-top: 4px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    max-height: 320px;
    overflow-y: auto;
    z-index: 50;
}

.search-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    text-decoration: none;
    color: #1e293b;
    font-size: 0.9rem;
    border-bottom: 1px solid #f1f5f9;
}

.search-option:last-child {
    border-bottom: none;
}

.search-option-title {
    font-weight: 500;
}

.search-option-category {
    font-size: 0.72rem;
    color: #64748b;
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 999px;
    white-space: nowrap;
}

.search-option:hover,
.search-option.active {
    background: #f0f6ff;
    outline: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
    .hero {
        padding: 40px 0 32px;
    }

    .tool-area {
        padding: 20px 16px;
    }

    .upload-zone {
        padding: 32px 16px;
    }

    .result-stats {
        gap: 20px;
    }

    .tool-grid {
        grid-template-columns: 1fr;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

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