/* ═══════════════════════════════════════════
   ImageTools CMS — Main Stylesheet (Light Theme)
   ═══════════════════════════════════════════ */

/* ── Reset & Base ────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: var(--font-size, 16px); -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--secondary); }
ul, ol { list-style: none; }

/* ── Skip Link ───────────────────────────── */
.skip-link {
    position: absolute; left: -9999px; top: auto;
    background: var(--primary); color: #fff; padding: 8px 16px;
    z-index: 1000; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; top: 0; }

/* ── Container ───────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ── Header / Navigation ─────────────────── */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.nav-container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }

.site-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 20px; color: var(--text); }
.site-logo:hover { color: var(--primary); }
.site-logo img { height: 36px; width: auto; }
.logo-text { font-family: var(--font-heading); font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav-menu { display: flex; gap: 4px; }
.nav-menu li a {
    display: block; padding: 8px 16px; border-radius: var(--radius);
    font-size: 15px; font-weight: 500; color: var(--gray-600);
    transition: background .2s, color .2s;
}
.nav-menu li a:hover, .nav-menu li a.active {
    background: var(--gray-100); color: var(--primary);
}
.nav-menu li a[aria-current="page"] {
    background: rgba(37,99,235,0.08); color: var(--primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none; background: none; border: none; cursor: pointer;
    width: 40px; height: 40px; position: relative;
}
.hamburger, .hamburger::before, .hamburger::after {
    display: block; width: 22px; height: 2px;
    background: var(--text); border-radius: 2px;
    transition: transform .3s;
    position: absolute; left: 9px;
}
.hamburger { top: 19px; }
.hamburger::before { content: ''; top: -7px; }
.hamburger::after { content: ''; top: 7px; }

@media (max-width: 768px) {
    .mobile-menu-toggle { display: block; }
    .nav-menu {
        display: none; position: absolute;
        top: 64px; left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--gray-200);
        flex-direction: column; padding: 16px 24px;
        box-shadow: var(--shadow-md);
    }
    .nav-menu.open { display: flex; }
    .nav-menu li a { padding: 12px 16px; border-radius: var(--radius); }
}

/* ── Breadcrumb ──────────────────────────── */
.breadcrumb { padding: 20px 0 8px; font-size: 14px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 4px; }
.breadcrumb li { display: flex; align-items: center; color: var(--gray-400); }
.breadcrumb li + li::before { content: '/'; margin-right: 8px; color: var(--gray-300); }
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--primary); }

/* ── Buttons ─────────────────────────────── */
.btn-primary {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; background: var(--primary); color: #fff;
    border: none; border-radius: var(--radius); font-weight: 600;
    font-size: 15px; cursor: pointer; transition: background .2s, transform .1s;
    text-decoration: none;
}
.btn-primary:hover { background: var(--secondary); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-large { padding: 14px 36px; font-size: 16px; }

.btn-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; background: var(--gray-100); color: var(--gray-700);
    border: 1px solid var(--gray-200); border-radius: var(--radius);
    font-weight: 600; font-size: 15px; cursor: pointer; transition: .2s;
    text-decoration: none;
}
.btn-secondary:hover { background: var(--gray-200); color: var(--text); }

.btn-text {
    background: none; border: none; color: var(--primary);
    font-weight: 500; cursor: pointer; font-size: 14px;
}
.btn-text:hover { text-decoration: underline; }

/* ── Page Content ────────────────────────── */
.page-content {
    max-width: 900px; margin: 0 auto; padding: 32px 24px 60px;
}
.page-content h1 { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; line-height: 1.2; margin-bottom: 16px; color: var(--text); }
.page-content h2 { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 700; margin-top: 40px; margin-bottom: 14px; color: var(--text); }
.page-content h3 { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 600; margin-top: 28px; margin-bottom: 10px; }
.page-content h4 { font-size: 1.1rem; font-weight: 600; margin-top: 20px; margin-bottom: 8px; }
.page-content p { margin-bottom: 16px; color: var(--gray-700); }
.page-content ul, .page-content ol { margin: 0 0 16px 24px; }
.page-content ul { list-style: disc; }
.page-content ol { list-style: decimal; }
.page-content li { margin-bottom: 6px; color: var(--gray-700); }
.page-content strong { font-weight: 600; color: var(--text); }

/* ── Hero Section ────────────────────────── */
.hero-section, .page-hero {
    text-align: center; padding: 48px 24px 40px;
    max-width: 800px; margin: 0 auto;
}
.hero-section h1, .page-hero h1 {
    font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800;
    line-height: 1.15; color: var(--text); margin-bottom: 16px;
}
.hero-section p, .page-hero p {
    font-size: 1.15rem; color: var(--gray-600); max-width: 640px; margin: 0 auto;
}

/* ── Home Page Sections ──────────────────── */
.tools-showcase, .features-section, .how-it-works, .use-cases {
    max-width: var(--max-width); margin: 0 auto; padding: 48px 24px;
}
.tools-showcase h2, .features-section h2, .how-it-works h2, .use-cases h2 {
    font-family: var(--font-heading); font-size: 1.8rem; font-weight: 700;
    text-align: center; margin-bottom: 12px;
}
.tools-showcase > p, .features-section > p, .how-it-works > p, .use-cases > p {
    text-align: center; color: var(--gray-600); max-width: 640px; margin: 0 auto 32px;
}

.tool-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.tool-card {
    background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
    padding: 32px; transition: box-shadow .3s, transform .2s;
}
.tool-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.tool-card h3 { font-family: var(--font-heading); font-size: 1.25rem; margin-bottom: 12px; color: var(--text); }
.tool-card p { color: var(--gray-600); margin-bottom: 20px; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.feature-item {
    background: var(--gray-50); border-radius: var(--radius-lg); padding: 28px;
    border: 1px solid var(--gray-100);
}
.feature-item h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--text); }
.feature-item p { color: var(--gray-600); font-size: 15px; margin: 0; }

.how-it-works ol { max-width: 700px; margin: 0 auto; list-style: none; counter-reset: steps; }
.how-it-works li {
    counter-increment: steps; padding: 16px 0 16px 56px; position: relative;
    border-bottom: 1px solid var(--gray-100); color: var(--gray-700);
}
.how-it-works li::before {
    content: counter(steps);
    position: absolute; left: 0; top: 16px;
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 15px;
}

/* ── Tool Pages ──────────────────────────── */
.tool-page { max-width: 900px; margin: 0 auto; padding: 0 24px 60px; }
.tool-header { text-align: center; padding: 32px 0 24px; }
.tool-header h1 { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.tool-subtitle { font-size: 1.05rem; color: var(--gray-600); max-width: 640px; margin: 0 auto; }

.tool-interface {
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg); padding: 32px;
    margin-bottom: 40px; box-shadow: var(--shadow);
}

.upload-zone {
    border: 2px dashed var(--gray-300); border-radius: var(--radius-lg);
    padding: 48px 24px; text-align: center; cursor: pointer;
    transition: border-color .2s, background .2s;
}
.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--primary); background: rgba(37,99,235,0.03);
}
.upload-icon { color: var(--gray-400); margin-bottom: 12px; }
.upload-text { font-size: 16px; margin-bottom: 4px; color: var(--gray-700); }
.upload-hint { font-size: 13px; color: var(--gray-400); }

.file-list { margin-top: 24px; }
.file-list-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.file-list-header h3 { font-size: 16px; }
.file-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px; background: var(--gray-50); border-radius: var(--radius);
    margin-bottom: 6px;
}
.file-name { flex: 1; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size { font-size: 13px; color: var(--gray-500); flex-shrink: 0; }
.file-remove {
    background: none; border: none; font-size: 20px; color: var(--gray-400);
    cursor: pointer; padding: 0 4px; line-height: 1;
}
.file-remove:hover { color: #ef4444; }

.tool-settings { margin-top: 28px; border-top: 1px solid var(--gray-100); padding-top: 24px; }
.tool-settings h3 { font-size: 16px; margin-bottom: 16px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }
.setting-group label { display: block; font-size: 13px; font-weight: 600; color: var(--gray-600); margin-bottom: 6px; }
.setting-group select, .setting-group input[type="number"], .setting-group input[type="text"] {
    width: 100%; padding: 10px 12px; border: 1px solid var(--gray-300);
    border-radius: var(--radius); font-size: 14px; color: var(--text);
    background: #fff; transition: border-color .2s;
}
.setting-group select:focus, .setting-group input:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.setting-group input[type="color"] {
    width: 100%; height: 40px; border: 1px solid var(--gray-300);
    border-radius: var(--radius); cursor: pointer; padding: 2px;
}
.setting-group input[type="range"] { width: 100%; margin-top: 4px; }

.watermark-section { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--gray-100); }
.toggle-label { display: flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 600; font-size: 15px; margin-bottom: 16px; }
.toggle-label input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }
.watermark-settings { padding: 16px; background: var(--gray-50); border-radius: var(--radius); }

.tool-actions { text-align: center; margin-top: 24px; }

.progress-section { margin-top: 24px; text-align: center; }
.progress-bar { width: 100%; height: 8px; background: var(--gray-200); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary); border-radius: 4px; transition: width .3s; }
.progress-text { margin-top: 10px; font-size: 14px; color: var(--gray-500); }

.result-section { margin-top: 24px; }
.result-card {
    text-align: center; padding: 32px;
    background: #ecfdf5; border: 1px solid #a7f3d0; border-radius: var(--radius-lg);
}
.result-icon { margin-bottom: 12px; }
.result-card h3 { font-size: 1.25rem; color: #065f46; margin-bottom: 8px; }
.result-card p { color: #047857; margin-bottom: 20px; }

.tool-content {
    max-width: 800px; margin: 0 auto;
}
.tool-content h2 { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; margin-top: 36px; margin-bottom: 14px; }
.tool-content h3 { font-size: 1.2rem; font-weight: 600; margin-top: 24px; margin-bottom: 10px; }
.tool-content h4 { font-size: 1.05rem; font-weight: 600; margin-top: 20px; margin-bottom: 8px; }
.tool-content p { color: var(--gray-700); margin-bottom: 14px; line-height: 1.7; }

/* ── Blog ────────────────────────────────── */
.blog-listing { padding: 0 24px 60px; max-width: var(--max-width); margin: 0 auto; }
.page-header { text-align: center; padding: 32px 0 40px; }
.page-header h1 { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.page-header p { color: var(--gray-600); max-width: 600px; margin: 0 auto; }

.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.blog-grid-full { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }

.blog-card {
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: box-shadow .3s, transform .2s;
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-card-image { display: block; overflow: hidden; aspect-ratio: 16/9; }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.blog-card:hover .blog-card-image img { transform: scale(1.03); }
.blog-card-body { padding: 20px 24px 24px; }
.blog-card-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13px; color: var(--gray-500); margin-bottom: 8px; }
.blog-category {
    background: rgba(37,99,235,0.08); color: var(--primary);
    padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.blog-card-body h2, .blog-card-body h3 { font-family: var(--font-heading); font-size: 1.15rem; line-height: 1.3; margin-bottom: 8px; }
.blog-card-body h2 a, .blog-card-body h3 a { color: var(--text); }
.blog-card-body h2 a:hover, .blog-card-body h3 a:hover { color: var(--primary); }
.blog-card-body p { font-size: 14px; color: var(--gray-600); margin: 0; line-height: 1.6; }
.read-more { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 600; }

/* Blog Single */
.blog-single { max-width: 900px; margin: 0 auto; padding: 0 24px 60px; }
.blog-single-header { padding: 20px 0 24px; }
.blog-single-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 14px; color: var(--gray-500); margin-bottom: 12px; }
.meta-separator { color: var(--gray-300); }
.blog-single-header h1 { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; line-height: 1.2; }
.blog-excerpt { font-size: 1.1rem; color: var(--gray-600); margin-top: 12px; }

.blog-featured-image { margin-bottom: 32px; border-radius: var(--radius-lg); overflow: hidden; }
.blog-featured-image img { width: 100%; }

.blog-layout { display: grid; grid-template-columns: 1fr; gap: 32px; }

/* TOC */
.blog-toc {
    background: var(--gray-50); border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg); padding: 24px;
    margin-bottom: 24px;
}
.toc-title { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.toc-list { list-style: none; }
.toc-list li { margin-bottom: 6px; }
.toc-list li a { font-size: 14px; color: var(--gray-600); line-height: 1.5; }
.toc-list li a:hover { color: var(--primary); }
.toc-level-3 { padding-left: 16px; }
.toc-level-4 { padding-left: 32px; }

.blog-content h2 { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; margin-top: 36px; margin-bottom: 14px; }
.blog-content h3 { font-size: 1.2rem; font-weight: 600; margin-top: 28px; margin-bottom: 10px; }
.blog-content p { color: var(--gray-700); margin-bottom: 14px; }
.blog-content ul, .blog-content ol { margin: 0 0 16px 24px; }
.blog-content ul { list-style: disc; }
.blog-content ol { list-style: decimal; }
.blog-content li { color: var(--gray-700); margin-bottom: 6px; }
.blog-content img { border-radius: var(--radius); margin: 16px 0; }
.blog-content blockquote {
    border-left: 4px solid var(--primary); padding: 16px 20px;
    background: var(--gray-50); border-radius: 0 var(--radius) var(--radius) 0;
    margin: 20px 0; font-style: italic; color: var(--gray-600);
}
.blog-content pre {
    background: var(--gray-800); color: #e5e7eb; padding: 20px;
    border-radius: var(--radius); overflow-x: auto; margin: 16px 0;
    font-size: 14px; line-height: 1.6;
}
.blog-content code { background: var(--gray-100); padding: 2px 6px; border-radius: 4px; font-size: 14px; }
.blog-content pre code { background: none; padding: 0; }

.blog-tags { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--gray-200); }
.blog-tags h3 { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { padding: 4px 14px; background: var(--gray-100); border-radius: 20px; font-size: 13px; color: var(--gray-600); }

.related-posts { padding: 40px 24px 60px; }
.related-posts h2 { font-family: var(--font-heading); font-size: 1.5rem; text-align: center; margin-bottom: 24px; }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 40px; flex-wrap: wrap; }
.pagination-btn, .pagination-num {
    padding: 8px 16px; border-radius: var(--radius);
    font-size: 14px; font-weight: 500; color: var(--gray-600);
    background: #fff; border: 1px solid var(--gray-200); transition: .2s;
}
.pagination-btn:hover, .pagination-num:hover { background: var(--gray-50); color: var(--primary); }
.pagination-num.active {
    background: var(--primary); color: #fff; border-color: var(--primary);
}

/* ── Contact Form ────────────────────────── */
.contact-content { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
@media (max-width: 768px) { .contact-content { grid-template-columns: 1fr; } }
.contact-info h2 { font-size: 1.3rem; margin-bottom: 12px; }
.contact-info h3 { font-size: 1.05rem; margin-top: 24px; margin-bottom: 6px; }
.contact-info p { color: var(--gray-600); }

.contact-form .form-group { margin-bottom: 18px; }
.contact-form label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.required { color: #ef4444; }
.contact-form input, .contact-form textarea {
    width: 100%; padding: 11px 14px;
    border: 1px solid var(--gray-300); border-radius: var(--radius);
    font-size: 15px; font-family: var(--font-body); transition: border-color .2s;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* ── Legal Pages ─────────────────────────── */
.legal-content { max-width: 800px; margin: 0 auto; padding-bottom: 60px; }
.legal-content h2 { font-size: 1.35rem; margin-top: 32px; margin-bottom: 12px; }
.legal-content p { color: var(--gray-700); margin-bottom: 14px; }

/* ── 404 Error Page ──────────────────────── */
.error-page { text-align: center; padding: 80px 24px; }
.error-content h1 { font-size: 6rem; font-weight: 800; color: var(--gray-200); line-height: 1; }
.error-content h2 { font-size: 1.5rem; margin-bottom: 12px; }
.error-content p { color: var(--gray-600); max-width: 500px; margin: 0 auto 24px; }
.error-actions { display: flex; gap: 12px; justify-content: center; margin-bottom: 40px; }
.error-tools h3 { font-size: 1rem; margin-bottom: 12px; }
.error-tools ul { display: flex; gap: 16px; justify-content: center; }
.error-tools a { font-weight: 500; }

/* ── Empty State ─────────────────────────── */
.empty-state { text-align: center; padding: 60px 24px; color: var(--gray-500); }

/* ── Footer ──────────────────────────────── */
.site-footer { background: var(--gray-800); color: var(--gray-300); margin-top: 60px; }
.footer-container { max-width: var(--max-width); margin: 0 auto; padding: 48px 24px 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-about h3, .footer-tools h4, .footer-links h4, .footer-contact h4 {
    color: #fff; font-size: 16px; margin-bottom: 14px;
}
.footer-about p { font-size: 14px; line-height: 1.7; }
.footer-social { display: flex; gap: 12px; margin-top: 14px; }
.footer-social a { color: var(--gray-400); font-size: 14px; font-weight: 500; }
.footer-social a:hover { color: #fff; }

.footer-tools ul, .footer-links ul { list-style: none; }
.footer-tools li, .footer-links li { margin-bottom: 8px; }
.footer-tools a, .footer-links a { color: var(--gray-400); font-size: 14px; transition: color .2s; }
.footer-tools a:hover, .footer-links a:hover { color: #fff; }

.footer-contact p { font-size: 14px; margin-bottom: 14px; }
.footer-cta {
    display: inline-block; padding: 10px 20px;
    background: var(--primary); color: #fff !important;
    border-radius: var(--radius); font-size: 14px; font-weight: 600;
    transition: background .2s;
}
.footer-cta:hover { background: var(--accent); }

.footer-bottom {
    text-align: center; padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.1); margin-top: 40px;
    font-size: 14px; color: var(--gray-500);
}

/* ── Recent Blogs Section ────────────────── */
.recent-blogs-section {
    background: var(--gray-50); padding: 60px 24px;
    max-width: 100%; margin: 0;
}
.recent-blogs-section > .container { max-width: var(--max-width); margin: 0 auto; }
.recent-blogs-section h2 {
    font-family: var(--font-heading); font-size: 1.8rem;
    text-align: center; margin-bottom: 8px;
}
.recent-blogs-section > p {
    text-align: center; color: var(--gray-600); margin-bottom: 32px;
}
.text-center { text-align: center; }

/* ── Utility ─────────────────────────────── */
@media (max-width: 640px) {
    .hero-section h1, .page-hero h1 { font-size: 1.8rem; }
    .blog-single-header h1 { font-size: 1.6rem; }
    .tool-header h1 { font-size: 1.5rem; }
    .tool-interface { padding: 20px; }
    .upload-zone { padding: 32px 16px; }
    .settings-grid { grid-template-columns: 1fr; }
    .contact-content { grid-template-columns: 1fr; }
    .error-actions { flex-direction: column; align-items: center; }
}

/* ═══════════════════════════════════════════
   Tool Pages — Enhanced Design
   ═══════════════════════════════════════════ */

/* Tool Container */
.tool-container { max-width: 960px; margin: 0 auto; padding: 0 24px 60px; }

/* Tool Hero */
.tool-hero { text-align: center; padding: 36px 0 28px; }
.tool-hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; background: rgba(37,99,235,0.06);
    border: 1px solid rgba(37,99,235,0.12); border-radius: 24px;
    font-size: 13px; font-weight: 600; color: var(--primary);
    margin-bottom: 16px;
}
.tool-hero h1 { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 14px; }
.tool-hero-desc { font-size: 1.08rem; color: var(--gray-600); max-width: 640px; margin: 0 auto; line-height: 1.65; }

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--gray-300); border-radius: 16px;
    padding: 52px 24px; text-align: center; cursor: pointer;
    transition: all .25s ease; background: var(--gray-50);
}
.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--primary); background: rgba(37,99,235,0.02);
    box-shadow: 0 0 0 4px rgba(37,99,235,0.06);
}
.upload-icon-wrap {
    width: 72px; height: 72px; margin: 0 auto 16px;
    background: rgba(37,99,235,0.08); border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); transition: transform .2s;
}
.upload-zone:hover .upload-icon-wrap { transform: translateY(-2px); }
.upload-zone-inner h3 { font-size: 1.2rem; margin-bottom: 6px; }
.upload-zone-inner p { color: var(--gray-500); font-size: 15px; }
.upload-browse { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.upload-formats { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 16px; }
.format-tag {
    padding: 3px 12px; background: #fff; border: 1px solid var(--gray-200);
    border-radius: 6px; font-size: 12px; font-weight: 700; color: var(--gray-600);
    letter-spacing: .5px;
}
.format-divider { color: var(--gray-300); }
.format-note { font-size: 12px; color: var(--gray-400); }

/* File List */
.file-list { margin-top: 24px; }
.file-list-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.file-list-title { display: flex; align-items: center; gap: 8px; color: var(--gray-600); }
.file-list-title h3 { font-size: 15px; }
.btn-text-icon { display: flex; align-items: center; gap: 4px; background: none; border: none; color: var(--gray-400); font-size: 13px; font-weight: 500; cursor: pointer; }
.btn-text-icon:hover { color: #ef4444; }
.file-items-grid { display: flex; flex-direction: column; gap: 6px; }
.file-item-card {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    background: var(--gray-50); border: 1px solid var(--gray-100);
    border-radius: 10px; transition: border-color .2s;
}
.file-item-card:hover { border-color: var(--gray-200); }
.file-item-icon { color: var(--primary); flex-shrink: 0; opacity: .7; }
.file-item-info { flex: 1; min-width: 0; }
.file-item-name { display: block; font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item-size { font-size: 12px; color: var(--gray-400); }
.file-item-remove { background: none; border: none; color: var(--gray-300); cursor: pointer; padding: 4px; border-radius: 6px; transition: .2s; }
.file-item-remove:hover { color: #ef4444; background: #fef2f2; }

/* Settings Panel */
.settings-header { display: flex; align-items: center; gap: 8px; color: var(--gray-500); margin-bottom: 16px; padding-top: 24px; border-top: 1px solid var(--gray-100); }
.settings-header h3 { font-size: 16px; color: var(--text); }
.settings-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 640px) { .settings-cards { grid-template-columns: 1fr; } }
.setting-card {
    display: flex; gap: 14px; padding: 16px;
    background: var(--gray-50); border: 1px solid var(--gray-100);
    border-radius: 12px; align-items: flex-start;
}
.setting-card-icon {
    width: 44px; height: 44px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.sc-blue { background: rgba(37,99,235,0.08); color: #2563eb; }
.sc-green { background: rgba(16,185,129,0.08); color: #059669; }
.sc-purple { background: rgba(139,92,246,0.08); color: #7c3aed; }
.sc-orange { background: rgba(245,158,11,0.08); color: #d97706; }
.setting-card-body { flex: 1; min-width: 0; }
.setting-card-body label { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--gray-500); margin-bottom: 6px; }
.setting-card-body select, .setting-card-body input[type="number"], .setting-card-body input[type="text"] {
    width: 100%; padding: 9px 12px; border: 1px solid var(--gray-200); border-radius: 8px;
    font-size: 14px; background: #fff; transition: border-color .2s;
}
.setting-card-body select:focus, .setting-card-body input:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}
.setting-sub { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.setting-unit { font-size: 13px; color: var(--gray-400); font-weight: 600; }

/* Watermark Panel */
.watermark-panel { margin-top: 16px; padding: 20px; background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: 12px; }
.watermark-toggle {
    display: flex; align-items: center; gap: 14px; cursor: pointer;
    font-size: 15px; padding: 0; background: none; border: none;
}
.watermark-toggle input { width: 20px; height: 20px; accent-color: var(--primary); cursor: pointer; }
.watermark-toggle small { display: block; font-size: 12px; color: var(--gray-400); font-weight: 400; margin-top: 2px; }
.watermark-options { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--gray-200); }
.wm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.wm-grid input[type="color"] { width: 100%; height: 40px; border: 1px solid var(--gray-200); border-radius: 8px; cursor: pointer; padding: 3px; }
.wm-grid input[type="range"] { width: 100%; margin-top: 4px; accent-color: var(--primary); }

/* Convert Button */
.tool-actions { text-align: center; margin-top: 24px; }
.btn-convert {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 40px; background: var(--primary); color: #fff;
    border: none; border-radius: 12px; font-size: 16px; font-weight: 700;
    cursor: pointer; transition: all .2s; box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}
.btn-convert:hover:not(:disabled) { background: var(--secondary); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(37,99,235,0.3); }
.btn-convert:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Progress Ring */
.progress-section { text-align: center; margin-top: 32px; }
.progress-ring-wrap { position: relative; display: inline-block; }
.progress-ring { transform: rotate(-90deg); }
.progress-ring-bg { fill: none; stroke: var(--gray-200); stroke-width: 6; }
.progress-ring-fill { fill: none; stroke: var(--primary); stroke-width: 6; stroke-linecap: round; transition: stroke-dashoffset .3s; }
.progress-pct { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 18px; font-weight: 700; color: var(--primary); }
.progress-text { margin-top: 12px; font-size: 14px; color: var(--gray-500); }

/* Result Card */
.result-section { margin-top: 24px; }
.result-card { text-align: center; padding: 36px; background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%); border: 1px solid #a7f3d0; border-radius: 16px; }
.result-check {
    width: 56px; height: 56px; margin: 0 auto 16px;
    background: #059669; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.result-card h3 { font-size: 1.3rem; color: #065f46; margin-bottom: 8px; }
.result-card p { color: #047857; margin-bottom: 20px; font-size: 15px; }
.btn-download {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; background: #059669; color: #fff;
    border-radius: 10px; font-weight: 700; font-size: 15px;
    transition: .2s; text-decoration: none;
}
.btn-download:hover { background: #047857; color: #fff; }
.btn-convert-another {
    display: block; margin: 14px auto 0; background: none; border: none;
    color: #047857; font-size: 14px; font-weight: 600; cursor: pointer;
    text-decoration: underline; text-underline-offset: 2px;
}

/* ── Tool Sections ────────────────────────── */
.tool-section { margin-top: 56px; }
.section-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 14px; background: rgba(37,99,235,0.06);
    border-radius: 20px; font-size: 12px; font-weight: 700;
    color: var(--primary); text-transform: uppercase; letter-spacing: .5px;
    margin-bottom: 12px;
}
.tool-section > h2 {
    font-family: var(--font-heading); font-size: 1.7rem; font-weight: 800;
    margin-bottom: 10px; color: var(--text);
}
.section-desc { font-size: 1.05rem; color: var(--gray-500); max-width: 600px; margin-bottom: 32px; }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 768px) { .steps-grid { grid-template-columns: 1fr; } }
.step-card {
    position: relative; padding: 28px 24px; background: #fff;
    border: 1px solid var(--gray-100); border-radius: 14px;
    text-align: center; transition: box-shadow .3s;
}
.step-card:hover { box-shadow: var(--shadow-md); }
.step-number {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    width: 28px; height: 28px; background: var(--primary); color: #fff;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 800;
}
.step-icon {
    width: 64px; height: 64px; margin: 12px auto 16px;
    background: rgba(37,99,235,0.06); border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
}
.step-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--gray-600); line-height: 1.6; }

/* Features Grid */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 768px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .features-grid { grid-template-columns: 1fr; } }
.feature-card {
    padding: 24px 20px; background: #fff; border: 1px solid var(--gray-100);
    border-radius: 14px; transition: box-shadow .3s, transform .2s;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}
.fi-blue { background: rgba(37,99,235,0.08); color: #2563eb; }
.fi-green { background: rgba(16,185,129,0.08); color: #059669; }
.fi-purple { background: rgba(139,92,246,0.08); color: #7c3aed; }
.fi-orange { background: rgba(245,158,11,0.08); color: #d97706; }
.fi-teal { background: rgba(20,184,166,0.08); color: #0d9488; }
.fi-red { background: rgba(239,68,68,0.08); color: #dc2626; }
.feature-card h3 { font-size: 1rem; margin-bottom: 6px; }
.feature-card p { font-size: 14px; color: var(--gray-600); line-height: 1.55; margin: 0; }

/* Content Section */
.content-section h2 { font-family: var(--font-heading); font-size: 1.45rem; font-weight: 700; margin-top: 36px; margin-bottom: 12px; }
.content-section h3 { font-size: 1.15rem; font-weight: 600; margin-top: 24px; margin-bottom: 8px; }
.content-section h4 { font-size: 1.05rem; font-weight: 600; margin-top: 20px; margin-bottom: 6px; }
.content-section p { color: var(--gray-700); margin-bottom: 14px; line-height: 1.7; }

/* FAQ Section */
.faq-list { max-width: 720px; }
.faq-item {
    border: 1px solid var(--gray-100); border-radius: 12px;
    margin-bottom: 10px; overflow: hidden; transition: border-color .2s;
}
.faq-item:hover { border-color: var(--gray-200); }
.faq-item.open { border-color: rgba(37,99,235,0.2); }
.faq-toggle {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; padding: 18px 20px; background: none; border: none;
    font-size: 15px; font-weight: 600; text-align: left; cursor: pointer;
    color: var(--text); gap: 12px;
}
.faq-toggle:hover { color: var(--primary); }
.faq-chevron { flex-shrink: 0; color: var(--gray-400); transition: transform .25s; }
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--primary); }
.faq-answer {
    max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease;
    padding: 0 20px;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 18px; }
.faq-answer p { font-size: 14px; color: var(--gray-600); line-height: 1.7; margin: 0; }

/* CTA Section */
.cta-section h2 { text-align: center; margin-bottom: 24px; }
.cta-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.cta-card {
    display: block; padding: 28px 24px; background: #fff;
    border: 1px solid var(--gray-100); border-radius: 14px;
    transition: box-shadow .3s, transform .2s; text-decoration: none;
}
.cta-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.cta-icon {
    width: 56px; height: 56px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.cta-blue { background: rgba(37,99,235,0.08); color: #2563eb; }
.cta-green { background: rgba(16,185,129,0.08); color: #059669; }
.cta-purple { background: rgba(139,92,246,0.08); color: #7c3aed; }
.cta-card h3 { font-size: 1.1rem; color: var(--text); margin-bottom: 6px; }
.cta-card p { font-size: 14px; color: var(--gray-500); margin-bottom: 12px; line-height: 1.5; }
.cta-link { font-size: 14px; font-weight: 700; color: var(--primary); }

/* ── Document Editor Specific ─────────────── */
.editor-interface { padding: 0 !important; border: 1px solid var(--gray-200); border-radius: 16px; overflow: hidden; background: #fff; }
.editor-interface .upload-zone { border: none; border-radius: 0; margin: 24px; border: 2px dashed var(--gray-300); border-radius: 16px; }

.editor-toolbar {
    display: flex; align-items: center; gap: 8px; padding: 10px 16px;
    background: var(--gray-50); border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
}
.toolbar-group { display: flex; align-items: center; gap: 4px; }
.toolbar-divider { width: 1px; height: 32px; background: var(--gray-200); margin: 0 4px; }
.toolbar-btn {
    display: flex; align-items: center; gap: 6px; padding: 8px 14px;
    background: none; border: 1px solid transparent; border-radius: 8px;
    font-size: 13px; font-weight: 500; color: var(--gray-600);
    cursor: pointer; transition: .2s; white-space: nowrap;
}
.toolbar-btn:hover { background: var(--gray-100); }
.toolbar-btn.active { background: rgba(37,99,235,0.08); color: var(--primary); border-color: rgba(37,99,235,0.15); }
.toolbar-btn-primary { background: var(--primary) !important; color: #fff !important; border-color: var(--primary) !important; }
.toolbar-btn-primary:hover { background: var(--secondary) !important; }
.toolbar-btn-sm { padding: 6px 12px; font-size: 12px; background: var(--gray-100); border: none; border-radius: 6px; cursor: pointer; }
.toolbar-options { flex: 1; min-width: 0; }
.tool-opt { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.toolbar-input { padding: 7px 12px; border: 1px solid var(--gray-200); border-radius: 7px; font-size: 13px; width: 180px; }
.toolbar-select { padding: 7px 10px; border: 1px solid var(--gray-200); border-radius: 7px; font-size: 13px; }
.toolbar-num { width: 60px; padding: 7px 8px; border: 1px solid var(--gray-200); border-radius: 7px; font-size: 13px; text-align: center; }
.toolbar-color { width: 36px; height: 36px; padding: 2px; border: 1px solid var(--gray-200); border-radius: 7px; cursor: pointer; }
.toolbar-range { width: 100px; accent-color: var(--primary); }
.toolbar-label { font-size: 12px; color: var(--gray-500); font-weight: 600; }

.editor-canvas-wrap {
    position: relative; overflow: auto; background: #e5e7eb;
    min-height: 400px; max-height: 70vh; display: flex;
    align-items: flex-start; justify-content: center; padding: 20px;
}
.editor-canvas-wrap canvas { box-shadow: 0 4px 20px rgba(0,0,0,0.15); background: #fff; display: block; }
.editor-zoom {
    position: absolute; bottom: 16px; right: 16px;
    display: flex; align-items: center; gap: 6px;
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: 8px; padding: 4px 8px; box-shadow: var(--shadow);
}
.zoom-btn { background: none; border: none; padding: 4px 8px; font-size: 14px; font-weight: 600; cursor: pointer; color: var(--gray-600); border-radius: 4px; }
.zoom-btn:hover { background: var(--gray-100); }
#zoomLevel { font-size: 12px; font-weight: 600; color: var(--gray-500); min-width: 40px; text-align: center; }

@media (max-width: 768px) {
    .toolbar-btn span { display: none; }
    .toolbar-input { width: 120px; }
    .toolbar-options { order: 10; width: 100%; }
}