/* === ARTICLE CONTENT STYLES === */
.article-content {
    background-color: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-12) var(--spacing-8);
    margin-top: var(--spacing-12);
    box-shadow: var(--shadow-lg);
    border: 1px dashed var(--border-main);
}

.article-body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
}

/* Typography */
.article-body h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-heading);
    margin-top: var(--spacing-16);
    margin-bottom: var(--spacing-8);
    line-height: 1.25;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding-bottom: var(--spacing-4);
}

.article-body h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), transparent);
    border-radius: 2px;
}

.article-body h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-navy);
    margin-top: var(--spacing-12);
    margin-bottom: var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.article-body h3::before {
    content: '';
    width: 8px;
    height: 24px;
    background: var(--color-primary);
    border-radius: 4px;
    display: inline-block;
}

.article-body p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-4);
    color: var(--text-main);
}

.article-body strong {
    color: var(--color-navy);
    font-weight: 600;
}

/* Content Boxes */
.intro-box {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
    border-left: 5px dashed var(--color-primary);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-8);
}

.intro-box p {
    margin-bottom: var(--spacing-2) !important;
    font-size: 1.1rem;
    color: var(--color-primary-dark);
}

.formula-box {
    background: linear-gradient(135deg, #e1edfc 0%, #e4f4ff 100%);
    color: rgb(0, 6, 97);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-xl);
    margin: var(--spacing-8) 0;
    position: relative;
    overflow: hidden;
}

.formula-box::before {
    content: 'Formula';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.5;
}

.formula-box .label {
    display: block;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-2);
    opacity: 0.8;
    font-family: 'Inter', sans-serif;
}

.highlight-box {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1px dashed #f59e0b;
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    margin: var(--spacing-8) 0;
    position: relative;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.08);
}

.tip-box {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-left: 6px solid #10b981;
    padding: var(--spacing-6) var(--spacing-8);
    border-radius: var(--radius-xl);
    margin: var(--spacing-8) 0;
    position: relative;
}

.tip-box::before {
    content: '\f0eb';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 1.5rem;
    color: #10b981;
    opacity: 0.2;
}

.tip-box strong {
    color: #065f46;
    display: block;
    margin-bottom: 4px;
    font-size: 1.1rem;
}

.warn-box {
    background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 100%);
    border-left: 6px solid #f43f5e;
    padding: var(--spacing-6) var(--spacing-8);
    border-radius: var(--radius-xl);
    margin: var(--spacing-8) 0;
    position: relative;
}

.warn-box::before {
    content: '\f071';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 1.5rem;
    color: #f43f5e;
    opacity: 0.2;
}

.warn-box strong {
    color: #9f1239;
    display: block;
    margin-bottom: 4px;
    font-size: 1.1rem;
}

/* Lists */
.styled-list {
    list-style: none;
    padding-left: 0;
    margin: var(--spacing-8) 0;
}

.styled-list li {
    position: relative;
    padding: var(--spacing-4) var(--spacing-6) var(--spacing-4) var(--spacing-12);
    margin-bottom: var(--spacing-4);
    line-height: 1.6;
    background: white;
    border: 1px dashed var(--border-main);
    border-radius: var(--radius-xl);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    color: var(--text-main);
    font-size: 1.02rem;
}

.styled-list li:hover {
    transform: translateX(8px) scale(1.01);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    background: linear-gradient(to right, white, var(--color-primary-light));
}

.styled-list li::before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-primary);
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.styled-list li:hover::before {
    transform: translateY(-50%) scale(1.2);
    color: var(--color-navy);
}

/* Numbered Lists */
ol.styled-list {
    counter-reset: my-counter;
}

ol.styled-list li {
    counter-increment: my-counter;
    background: white;
}

ol.styled-list li::before {
    content: counter(my-counter);
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-primary) 100%);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Inter', sans-serif;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}

ol.styled-list li:hover::before {
    transform: translateY(-50%) rotate(5deg) scale(1.1);
}

/* Standard UL/OL within article-body */
.article-body ul:not(.styled-list) {
    padding-left: var(--spacing-8);
    margin-bottom: var(--spacing-6);
}

.article-body ul:not(.styled-list) li {
    margin-bottom: var(--spacing-2);
    position: relative;
    list-style: none;
}

.article-body ul:not(.styled-list) li::before {
    content: "";
    position: absolute;
    left: -20px;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* Dark Mode Support Updates */
body.dark-mode .styled-list li {
    background: var(--gray-900);
    border-color: var(--border-main);
    color: var(--text-main);
}

body.dark-mode .styled-list li:hover {
    border-color: var(--color-primary);
    background: linear-gradient(to right, var(--gray-900), rgba(37, 99, 235, 0.1));
}

body.dark-mode ol.styled-list li {
    background: var(--gray-900);
}

body.dark-mode ol.styled-list li::before {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
}

body.dark-mode .tip-box {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: #10b981;
    color: #6ee7b7;
}

body.dark-mode .tip-box strong {
    color: #10b981;
}

body.dark-mode .warn-box {
    background: rgba(244, 63, 94, 0.1);
    border-left-color: #f43f5e;
    color: #fda4af;
}

body.dark-mode .warn-box strong {
    color: #f43f5e;
}

body.dark-mode .highlight-box {
    background: rgba(245, 158, 11, 0.1);
    border-color: #f59e0b;
    color: #fbbf24;
}

body.dark-mode .highlight-box strong {
    color: #f59e0b;
}

/* Tables */
.table-wrap {
    overflow-x: auto;
    margin: var(--spacing-8) 0;
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-main);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th {
    background: var(--gray-100);
    color: var(--text-heading);
    text-align: left;
    padding: var(--spacing-4);
    font-weight: 600;
}

td {
    padding: var(--spacing-4);
    border-bottom: 1px dashed var(--color-gray-100);
}

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

.green {
    color: #059669;
    font-weight: 700;
}

/* Links */
.interlink {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px dashed transparent;
    transition: all 0.3s ease;
}

.interlink:hover {
    border-bottom-color: var(--color-primary);
    color: var(--color-navy);
}

/* FAQ Section */
.faq-section {
    margin-top: var(--spacing-8);
}

.faq-item {
    margin-bottom: var(--spacing-4);
    border: 1px dashed var(--border-main);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: white;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.faq-q {
    padding: var(--spacing-4) var(--spacing-6);
    background: white;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-heading);
}

.faq-q .faq-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: all 0.3s ease;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.faq-q .faq-icon::before {
    content: '+';
}

.faq-q.open .faq-icon {
    color: var(--color-primary);
    transform: rotate(180deg);
}

.faq-q.open .faq-icon::before {
    content: '−';
}

.faq-a {
    padding: 0 var(--spacing-6);
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: white;
    color: var(--text-muted);
}

.faq-a.open {
    padding: var(--spacing-4) var(--spacing-6);
    max-height: 1000px;
    border-top: 1px dashed var(--border-main);
}


/* Dark Mode Support */
body.dark-mode .article-content {
    background-color: var(--bg-card);
    border-color: var(--border-main);
}

body.dark-mode .article-body h2 {
    background: linear-gradient(135deg, #60a5fa 0%, #93c5fd 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

body.dark-mode .article-body h2::after {
    background: linear-gradient(to right, #60a5fa, transparent);
}

body.dark-mode .article-body h3::before {
    background: #60a5fa;
}

body.dark-mode .article-body h3,
body.dark-mode .article-body strong {
    color: #93c5fd;
}

body.dark-mode .intro-box {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-left-color: #3b82f6;
}

body.dark-mode .intro-box p {
    color: #93c5fd;
}

body.dark-mode .tip-box {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border-left-color: #10b981;
    color: #6ee7b7;
}

body.dark-mode .warn-box {
    background: linear-gradient(135deg, rgba(244, 63, 94, 0.1) 0%, rgba(225, 29, 72, 0.1) 100%);
    border-left-color: #f43f5e;
    color: #fda4af;
}

body.dark-mode .highlight-box {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
    border-color: #f59e0b;
    color: #fbbf24;
}

body.dark-mode table {
    background: var(--bg-card);
}

body.dark-mode th {
    background: var(--gray-800);
    color: var(--text-heading);
}

body.dark-mode td {
    border-bottom-color: var(--border-main);
    color: var(--text-main);
}

body.dark-mode tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.03);
}

body.dark-mode .styled-list li::before {
    color: #60a5fa;
}

body.dark-mode .styled-list li {
    color: var(--text-main);
}

body.dark-mode .faq-item {
    background: var(--bg-card);
    border-color: var(--border-main);
}

body.dark-mode .faq-q {
    background: var(--bg-card);
    color: var(--text-heading);
}

body.dark-mode .faq-q.open {
    background: var(--gray-800);
    color: #60a5fa;
}

body.dark-mode .faq-a {
    background: var(--bg-card);
    color: var(--text-muted);
    border-top-color: var(--border-main);
}

/* Responsiveness */
@media (max-width: 768px) {
    .article-content {
        padding: var(--spacing-6) var(--spacing-4);
    }

    .article-body h2 {
        font-size: var(--font-size-2xl);
    }

    .formula-box {
        font-size: 1rem;
        padding: var(--spacing-6);
    }

    .styled-list li {
        padding-left: var(--spacing-10);
        font-size: 0.95rem;
    }

    .styled-list li::before,
    ol.styled-list li::before {
        left: var(--spacing-2);
    }
}