:root {
    --primary-bg: #0f172a;
    --secondary-bg: #1e293b;
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.4);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background: var(--primary-bg);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

.glow-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 15px var(--accent-glow);
}

.glow-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--accent-glow);
}

header {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #818cf8, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== Header Search Bar ===== */
.search-container {
    width: 440px;
    position: relative;
}

.search-container input {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 1.5px solid rgba(255, 255, 255, 0.2) !important;
    padding: 12px 20px 12px 46px !important;
    border-radius: 50px !important;
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}

.search-container input::placeholder {
    color: rgba(148, 163, 184, 0.7);
}

.search-container input:focus {
    border-color: var(--accent-color);
    background: rgba(99, 102, 241, 0.12);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), inset 0 1px 3px rgba(0,0,0,0.2);
}

.search-icon {
    position: absolute;
    left: 17px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(148, 163, 184, 0.85);
    font-size: 1rem;
    pointer-events: none;
    transition: color 0.25s;
    z-index: 1;
}

.search-container:focus-within .search-icon {
    color: var(--accent-color);
}

/* ===== Hero Search Bar (bigger, more prominent) ===== */
.hero .search-container {
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
}

.hero .search-container input {
    padding: 18px 24px 18px 58px !important;
    font-size: 1.05rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.18) !important;
    border-radius: 50px !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 3px rgba(0,0,0,0.2);
}

.hero .search-container input::placeholder {
    font-size: 1rem;
    color: rgba(148, 163, 184, 0.6);
}

.hero .search-container input:focus {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), 0 8px 32px rgba(99, 102, 241, 0.15);
}

.hero .search-icon {
    left: 22px;
    font-size: 1rem;
}

main {
    padding: 40px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    margin-bottom: 60px;
    padding: 60px 0;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.tool-card {
    padding: 30px;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.tool-card:hover {
    transform: scale(1.02);
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
}

.tool-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.tool-card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.tool-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Mobile handled at bottom of file */

/* Layout Reorganization */
.layout-wrapper {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.sidebar {
    width: 250px;
    flex-shrink: 0;
    padding: 24px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar-category h4 {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.sidebar-category ul {
    list-style: none;
}

.sidebar-category li {
    padding: 12px 16px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 5px;
}

.sidebar-category li i {
    width: 20px;
    text-align: center;
}

.sidebar-category li:hover, .sidebar-category li.active {
    background: var(--accent-glow);
    color: white;
}

.content-area {
    flex-grow: 1;
}

/* Hide elements when tool is active */
.active-tool .layout-wrapper {
    display: none;
}

/* Category Filter Animation */
.tool-card {
    animation: cardAppear 0.4s ease forwards;
}

@keyframes cardAppear {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Tool Interface Styles */
.tool-container {
    display: none; /* Hidden by default, shown when a tool is active */
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tool-header {
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.tool-header-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.tool-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.tool-input-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

textarea {
    width: 100%;
    height: 400px;
    background: var(--secondary-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 20px;
    color: var(--text-main);
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    resize: none;
    outline: none;
    transition: var(--transition);
}

textarea:focus {
    border-color: var(--accent-color);
}

#jsonOutput {
    background: #000;
}

.tool-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.secondary-btn {
    background: var(--glass-bg);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.active-tool #toolsGrid, .active-tool .hero {
    display: none;
}

.active-tool .tool-container {
    display: block;
}

#backBtn {
    margin-bottom: 20px;
}

/* Consistent input styling for tools */
input[type="number"],
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select {
    background: var(--secondary-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

input[type="number"]:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 8px var(--accent-glow);
}

input[type="range"] {
    accent-color: var(--accent-color);
}

input[type="checkbox"] {
    accent-color: var(--accent-color);
}

/* ========== Trust Signals ========== */
.trust-signals {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.95rem;
    padding: 10px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: var(--glass-blur);
}

.trust-item strong {
    color: var(--text-main);
}

/* ========== Breadcrumbs ========== */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.breadcrumbs a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.breadcrumbs i {
    font-size: 0.6rem;
    opacity: 0.5;
}

.breadcrumbs span {
    color: var(--text-main);
    font-weight: 600;
}

/* ========== How To Use Section ========== */
.tool-how-to {
    margin-top: 30px;
    padding: 25px 30px;
}

.tool-how-to h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tool-how-to h3 i {
    color: var(--accent-color);
}

.tool-how-to ol {
    padding-left: 20px;
    display: grid;
    gap: 10px;
    color: var(--text-muted);
    line-height: 1.6;
}

.tool-how-to li::marker {
    color: var(--accent-color);
    font-weight: 700;
}

/* ========== FAQ Section ========== */
.tool-faq {
    margin-top: 20px;
    padding: 25px 30px;
}

.tool-faq h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tool-faq h3 i {
    color: var(--accent-color);
}

.faq-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--glass-border);
}

.faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.faq-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.faq-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========== Related Tools ========== */
.related-tools {
    margin-top: 30px;
}

.related-tools h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.related-tools h3 i {
    color: var(--accent-color);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
}

.related-card {
    padding: 20px;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: var(--transition);
    cursor: pointer;
}

.related-card:hover {
    transform: scale(1.02);
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
}

.related-card .tool-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.related-card h4 {
    font-size: 0.95rem;
    margin-bottom: 6px;
}

.related-card p {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== Ad Placeholders ========== */
.ad-placeholder {
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--glass-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-align: center;
    padding: 10px;
}

.ad-horizontal {
    margin: 40px 0;
}

.ad-horizontal .ad-placeholder {
    height: 100px;
}

.ad-in-content {
    margin: 30px 0;
}

.ad-in-content .ad-placeholder {
    height: 120px;
}

.ad-feed-card {
    cursor: default;
    min-height: 180px;
}

.ad-feed-card:hover {
    transform: none;
    background: var(--glass-bg);
}

/* ========== Tool Page Grid ========== */
.tool-page-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

/* ========== Hamburger Menu ========== */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 8px;
}

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

/* ========== Mobile Overlay ========== */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-overlay.open {
    display: flex;
    opacity: 1;
    justify-content: flex-end;
}

.mobile-menu {
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    overflow-y: auto;
    padding: 24px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.mobile-close {
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 5px;
}

.mobile-categories {
    list-style: none;
}

.mobile-categories li {
    padding: 14px 16px;
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 4px;
    transition: var(--transition);
}

.mobile-categories li:hover,
.mobile-categories li.active {
    background: var(--accent-glow);
    color: white;
}

.mobile-categories li i {
    width: 20px;
    text-align: center;
}

/* ========== Mobile Sticky Ad ========== */
.mobile-sticky-ad {
    display: none;
}

/* ========== Footer ========== */
footer {
    margin-top: 80px;
    padding: 60px 5% 30px;
    background: var(--secondary-bg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-grid h4 {
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.footer-links {
    list-style: none;
    display: grid;
    gap: 8px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========== Mobile Responsive ========== */
@media (max-width: 768px) {
    .search-container {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .header-browse-btn {
        display: none;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero .search-container {
        display: block !important;
        width: 100% !important;
    }

    .trust-signals {
        gap: 10px;
        margin-top: 25px;
    }

    .trust-item {
        font-size: 0.8rem;
        padding: 8px 14px;
    }

    .layout-wrapper {
        flex-direction: column;
    }

    .sidebar {
        width: 100% !important;
        position: static !important;
    }

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

    .tool-page-grid .sidebar-ads {
        display: none;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .footer-brand {
        grid-column: span 2;
    }

    .mobile-sticky-ad {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 99;
        background: var(--secondary-bg);
        border-top: 1px solid var(--glass-border);
        padding: 5px 10px;
    }

    body {
        padding-bottom: 65px;
    }

    .ad-horizontal {
        margin: 25px 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

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

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

    .footer-brand {
        grid-column: span 1;
    }

    .trust-signals {
        flex-direction: column;
        align-items: center;
    }
}

/* ===== Blog Integration Styles ===== */
.blog-tag-btn {
    background: var(--secondary-bg);
    color: var(--text-muted);
    border: 1px solid var(--glass-border);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.blog-tag-btn:hover { border-color: var(--accent-color); color: var(--accent-color); }
.blog-tag-btn.active-tag {
    background: var(--accent-color); color: white;
    border-color: var(--accent-color);
    box-shadow: 0 0 12px var(--accent-glow);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,0.3); }
.blog-sidebar-tag {
    font-size: 0.78rem; padding: 4px 10px; border-radius: 12px;
    background: var(--secondary-bg); color: var(--accent-color);
    cursor: pointer; border: 1px solid var(--glass-border); transition: var(--transition);
}
.blog-sidebar-tag:hover { background: var(--accent-color); color: white; }

/* Skeleton Shimmer Animation */
@keyframes shimmer {
    0% { background-position: -468px 0; }
    100% { background-position: 468px 0; }
}

.shimmer {
    background: linear-gradient(to right, var(--glass-border) 8%, var(--secondary-bg) 18%, var(--glass-border) 33%);
    background-size: 800px 104px;
    animation: shimmer 1.5s infinite linear;
    border-radius: 8px;
    opacity: 0.6;
}

/* Article body HTML from Dev.to */
.blog-article-body h1,.blog-article-body h2,.blog-article-body h3,.blog-article-body h4 {
    color: var(--text-color); margin: 1.4em 0 0.6em; line-height: 1.3;
}
.blog-article-body p { margin-bottom: 1em; }
.blog-article-body a { color: var(--accent-color); text-decoration: underline; }
.blog-article-body code {
    background: var(--secondary-bg); padding: 2px 6px; border-radius: 4px;
    font-family: monospace; font-size: 0.88em; color: #e879f9;
}
.blog-article-body pre {
    background: var(--secondary-bg); padding: 16px; border-radius: 10px;
    overflow-x: auto; margin: 1em 0; border: 1px solid var(--glass-border);
}
.blog-article-body pre code { background: none; padding: 0; color: #a5f3fc; }
.blog-article-body img { max-width: 100%; border-radius: 10px; margin: 1em 0; }
.blog-article-body ul,.blog-article-body ol { padding-left: 1.5em; margin-bottom: 1em; }
.blog-article-body li { margin-bottom: 0.4em; }
.blog-article-body blockquote {
    border-left: 3px solid var(--accent-color); padding-left: 16px;
    margin: 1em 0; font-style: italic; color: var(--text-muted);
}
.blog-article-body hr { border: none; border-top: 1px solid var(--glass-border); margin: 2em 0; }