/* ==========================================================================
   NASDAQ VSA — Core Design System & Stylesheet
   Theme: Premium Financial Trading Dashboard (Sleek Dark Mode)
   ========================================================================== */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
    --bg-base: #0b0f19;
    --bg-surface: #111827;
    --bg-card: #1f2937;
    --border-color: #2d3748;
    --border-glow: rgba(59, 130, 246, 0.2);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-primary: #3b82f6;      /* Electric Blue */
    --accent-primary-hover: #2563eb;
    --accent-bullish: #10b981;      /* Neon Green */
    --accent-bearish: #ef4444;      /* Neon Red/Coral */
    --accent-neutral: #6b7280;      /* Slate Gray */
    --accent-warning: #fbbf24;      /* Gold Yellow */
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 15px rgba(59, 130, 246, 0.15);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* --- Core Resets --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

main {
    min-height: 80vh;
    padding: 3rem 0;
}

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

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

ul, ol {
    list-style-position: inside;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

/* --- Utility Layout Grid & Containers --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1.5rem;
    padding-left: 1.5rem;
}

.container-narrow {
    max-width: 800px;
}

/* --- Premium Web Header/Navbar --- */
.site-header {
    background-color: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle .bar {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px 0;
    background-color: var(--text-primary);
    transition: all var(--transition-normal);
}

.site-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast), border-color var(--transition-fast);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-primary);
}

.search-form-nav {
    display: flex;
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.25rem 0.75rem;
}

.search-form-nav input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    padding: 0.25rem 0;
    width: 160px;
    outline: none;
}

.search-btn-nav {
    background: none;
    border: none;
    cursor: pointer;
}

/* --- Hero Banner & Callouts --- */
.hero-section {
    padding: 4rem 0;
    background: radial-gradient(circle at 75% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
    border-bottom: 1px solid var(--border-color);
}

.hero-layout {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    flex: 1.2;
}

.hero-visual {
    flex: 0.8;
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.badge-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--accent-primary);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-primary-hover);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--bg-surface);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

/* --- Stock Screener Grid / Widgets --- */
.screener-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.screener-filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background-color: var(--bg-surface);
    padding: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.filter-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1;
    min-width: 180px;
}

.filter-input-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.filter-input-group select,
.filter-input-group input {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast);
}

.filter-input-group select:focus,
.filter-input-group input:focus {
    border-color: var(--accent-primary);
}

/* --- Premium cPanel Tables --- */
.table-responsive {
    overflow-x: auto;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.vsa-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.vsa-table th {
    background-color: rgba(31, 41, 55, 0.5);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 1rem;
}

.vsa-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
}

.vsa-table tbody tr {
    transition: background-color var(--transition-fast);
}

.vsa-table tbody tr:hover {
    background-color: rgba(31, 41, 55, 0.3);
}

.ticker-symbol {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.05rem;
}

.text-bullish { color: var(--accent-bullish); }
.text-bearish { color: var(--accent-bearish); }
.text-neutral { color: var(--accent-neutral); }

/* --- Badges for VSA Signals --- */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.badge-bullish {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--accent-bullish);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-bearish {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--accent-bearish);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-neutral {
    background-color: rgba(107, 114, 128, 0.15);
    color: var(--accent-neutral);
    border: 1px solid rgba(107, 114, 128, 0.3);
}

/* --- Cards for Categories & Grid Layouts --- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-image-placeholder {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    position: relative;
}

.card-icon {
    font-size: 3.5rem;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-badge {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    align-self: flex-start;
}

.badge-howto {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--accent-primary);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-review {
    background-color: rgba(251, 191, 36, 0.15);
    color: var(--accent-warning);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-article {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--accent-bullish);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.card-title {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.card-title a {
    color: var(--text-primary);
}

.card-title a:hover {
    color: var(--accent-primary);
}

.card-excerpt {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

/* --- Article Details / Post Layout --- */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    margin-top: 2rem;
}

.article-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.article-body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-primary);
}

.article-body h2 {
    font-size: 1.75rem;
    margin: 2rem 0 1rem;
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body ul, 
.article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

/* --- Informational Notice Boxes --- */
.info-box {
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-lg);
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-box.tip {
    background-color: rgba(59, 130, 246, 0.08);
    border-left: 4px solid var(--accent-primary);
    color: var(--text-primary);
}

.info-box.warning {
    background-color: rgba(251, 191, 36, 0.08);
    border-left: 4px solid var(--accent-warning);
    color: var(--text-primary);
}

/* --- Step Cards for Strategies --- */
.step-card {
    display: flex;
    gap: 1.5rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: border-color var(--transition-fast);
}

.step-card:hover {
    border-color: var(--accent-primary);
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* --- Sidebars & Navigation --- */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.sidebar-widget h3 {
    font-size: 1.15rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.toc-widget {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.toc-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.15rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.toc-list {
    list-style: decimal;
    padding-left: 1.25rem;
}

.toc-list li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* --- Breadcrumbs Navigation --- */
.breadcrumbs {
    margin-bottom: 2rem;
}

.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    padding: 0 0.5rem;
    color: var(--text-muted);
}

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

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

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

/* --- Comments Layout --- */
.comments-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.comment-item {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.comment-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.comment-author {
    font-weight: 600;
    color: var(--accent-primary);
}

.comment-date {
    color: var(--text-muted);
}

.comment-body {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* --- FAQ Accordion --- */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.faq-item:hover,
.faq-item.active {
    border-color: var(--accent-primary);
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
    color: var(--accent-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-answer-inner {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* --- Contact & Commentary Forms --- */
.contact-form,
.comment-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    outline: none;
    font-family: var(--font-body);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-feedback {
    font-size: 0.875rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    display: none;
}

.form-feedback.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--accent-bullish);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-feedback.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-bearish);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* --- Footer Area --- */
.site-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-top {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 3rem;
}

.footer-top .footer-container {
    display: grid;
    grid-template-columns: 1.5fr 2fr 1.5fr;
    gap: 4rem;
}

.footer-brand-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

.footer-newsletter {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-newsletter p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.newsletter-group {
    display: flex;
    gap: 0.5rem;
}

.newsletter-group input {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-md);
    flex-grow: 1;
    outline: none;
}

.newsletter-group input:focus {
    border-color: var(--accent-primary);
}

.footer-disclaimer {
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
}

.disclaimer-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.footer-bottom {
    padding: 1.5rem 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.footer-socials a {
    color: var(--text-muted);
}

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

/* --- Custom Tables / Comparisons --- */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-table th, 
.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.comparison-table th {
    background-color: rgba(31, 41, 55, 0.5);
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-secondary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

/* --- HTML5 Canvas Charts Dashboard --- */
.chart-container-visual {
    width: 100%;
    margin-top: 1rem;
    text-align: center;
}

.vsa-chart-canvas {
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 100%;
    height: auto;
    display: block;
}

/* --- Search Engine layout --- */
.search-page-input {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-page-input input {
    flex-grow: 1;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    outline: none;
    font-size: 1rem;
}

.search-page-input input:focus {
    border-color: var(--accent-primary);
}

.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.search-result-item {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.search-result-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.search-result-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.search-result-url {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

/* --- Custom 404 Error Screen --- */
.error-page {
    text-align: center;
    padding: 4rem 1.5rem;
}

.error-code {
    font-family: var(--font-heading);
    font-size: 8rem;
    font-weight: 900;
    color: var(--accent-primary);
    line-height: 1;
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
    margin-bottom: 1rem;
}

/* --- Animations --- */
.animate-fade-in {
    animation: fadeIn var(--transition-normal) forwards;
}

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

/* --- Responsive Media Rules --- */
@media (max-width: 1024px) {
    .hero-layout {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .footer-top .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-links-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .site-navigation {
        display: none;
        width: 100%;
        position: absolute;
        top: 72px;
        left: 0;
        background-color: var(--bg-surface);
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
        box-shadow: var(--shadow-lg);
    }
    
    .site-navigation.active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .header-search {
        display: none;
    }
    
    .article-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}