:root {
    --primary-blue: #3b82f6;
    --dark-blue: #1e40af;
    --accent-green: #059669;
    --light-gray: #f8fafc;
    --text-dark: #374151;
    --text-light: #6b7280;
    --text-medium: #4b5563;
    --border-light: #e5e7eb;
    --border-lighter: #f3f4f6;
    --background-gray: #f9fafb;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);

    /* Header variables that were missing */
    --border-color: #e5e7eb;
    --text-gray: #6b7280;
    --primary-color: #3b82f6;
    --primary-dark: #1d4ed8;
}

/* Minimal body styling */
body {
    background: var(--light-gray);
}

.content-wrapper {
    max-width: 800px; /* Reduced from 1200px */
    margin: 0 auto;
    padding: 20px;
}

.page-content {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

/* Reset only within page-content container */
.page-content * {
    box-sizing: border-box;
}

.page-content h1,
.page-content h2,
.page-content h3,
.page-content h4,
.page-content h5,
.page-content h6 {
    margin: 0 0 1rem 0;
}

.page-content p {
    margin: 0 0 1rem 0;
}

.page-content ul,
.page-content ol {
    margin: 0 0 1rem 0;
    padding-left: 1.5rem;
}

.page-content li {
    margin-bottom: 0.5rem;
}

/* Table of Contents */
.page-content .table-of-contents {
    background: #f8fafc;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 25px;
    margin: 30px 0;
}

.page-content .table-of-contents h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.3em;
}

.page-content .table-of-contents ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-content .table-of-contents li {
    margin-bottom: 8px;
}

.page-content .table-of-contents a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.page-content .table-of-contents a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Reusable Section Styles */
.page-content .section-title {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 2em;
}

.page-content .section-subtitle {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.5em;
}

.page-content .text-content-section {
    margin: 40px 0;
}

.page-content .text-content-section p {
    margin-bottom: 15px;
    line-height: 1.7;
    color: var(--text-medium);
}

/* Hero Image */
.page-content .aligncenter {
    text-align: center;
    margin: 40px auto;
}

.page-content .aligncenter img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.page-content figcaption {
    margin-top: 15px;
    font-style: italic;
    color: var(--text-light);
}

.page-content .thai-clickable {
    cursor: pointer;
    color: var(--primary-blue);
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-content .thai-clickable:hover {
    color: #1d4ed8;
}

/* Quick Answer Table */
.page-content .quick-answer-box {
    background: white;
    border: 3px solid var(--primary-blue);
    border-radius: 15px;
    padding: 30px;
    margin: 40px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.page-content .quick-answer-title {
    color: var(--dark-blue);
    margin-bottom: 25px;
    font-size: 1.8em;
}

.page-content .quick-answer-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.page-content .quick-answer-table thead {
    background: var(--light-gray);
}

.page-content .quick-answer-table th {
    padding: 12px 8px;
    text-align: left;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9em;
    border-bottom: 1px solid var(--border-light);
}

.page-content .quick-answer-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border-lighter);
    vertical-align: middle;
}

.page-content .quick-answer-table tr:last-child td {
    border-bottom: none;
}

.page-content .quick-answer-table tr:hover {
    background: var(--background-gray);
}

.page-content .table-english {
    font-weight: 500;
    color: var(--text-dark);
    width: 25%;
}

.page-content .table-thai {
    font-size: 1.4em;
    font-weight: bold;
    color: #0f172a;
    width: 45%;
}

.page-content .table-pronunciation {
    font-style: italic;
    color: var(--accent-green);
    font-size: 0.9em;
    width: 30%;
}

/* Mobile-first redesign for quick answer */
.page-content .quick-answer-cards {
    display: none;
}

.page-content .quick-answer-card {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: var(--shadow-sm);
}

.page-content .quick-answer-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.page-content .quick-answer-card .day-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1em;
    margin-bottom: 10px;
}

.page-content .quick-answer-card .thai-word {
    font-size: 2.2em;
    font-weight: bold;
    color: #0f172a;
    margin-bottom: 8px;
    line-height: 1.2;
}

.page-content .quick-answer-card .pronunciation {
    font-style: italic;
    color: var(--accent-green);
    font-size: 1.1em;
    font-weight: 500;
}

/* Educational Cards */
.page-content .educational-cards {
    margin: 40px 0;
}

.page-content .days-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.page-content .day-card {
    padding: 30px 25px;
    background: white;
    border-radius: 16px;
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.page-content .day-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

.page-content .day-card .day-english {
    font-weight: 700;
    color: var(--primary-blue);
    font-size: 1.1em;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 15px;
}

.page-content .day-card .thai-full {
    font-size: 2.8em;
    color: #0f172a;
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1.1;
}

.page-content .day-card .thai-breakdown {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    font-size: 1.4em;
    color: var(--text-light);
}

.page-content .day-card .thai-part {
    padding: 8px 12px;
    background: #f1f5f9;
    border-radius: 8px;
    font-weight: 600;
    color: #475569;
}

.page-content .day-card .plus {
    color: #94a3b8;
    font-weight: bold;
}

.page-content .day-card .pronunciation {
    font-style: italic;
    color: var(--accent-green);
    font-size: 1.2em;
    font-weight: 500;
    margin-bottom: 15px;
}

.page-content .day-card .pronunciation .stressed {
    font-weight: 700;
    text-decoration: underline;
}

/* Simple Example Sentences */
.page-content .simple-sentence-card {
    background: #fef7f7;
    border: 2px solid #f87171;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    text-align: center;
}

.page-content .simple-sentence-card .thai-text {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.page-content .simple-sentence-card .roman {
    font-style: italic;
    color: var(--text-medium);
    font-size: 1.1em;
    margin: 0;
}

.page-content .cta-link {
    display: inline-block;
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
    margin-top: 15px;
    padding: 10px 20px;
    border: 2px solid var(--primary-blue);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.page-content .cta-link:hover {
    background: var(--primary-blue);
    color: white;
}

/* Links within page content */
.page-content a {
    color: var(--primary-blue);
    text-decoration: none;
}

.page-content a:hover {
    text-decoration: underline;
}

/* Lists within page content */
.page-content ul {
    margin-bottom: 15px;
    padding-left: 20px;
}

.page-content ul li {
    margin-bottom: 8px;
    color: var(--text-medium);
}

/* Responsive Design */
@media (max-width: 768px) {
    .content-wrapper {
        padding: 10px;
    }

    .page-content {
        padding: 20px;
    }

    .page-content .aligncenter {
        margin: 20px auto;
    }

    .page-content .aligncenter img {
        width: 100%;
        height: auto;
    }

    /* Hide table on mobile, show cards instead */
    .page-content .quick-answer-table {
        display: none;
    }

    .page-content .quick-answer-cards {
        display: block !important;
    }

    /* Educational cards */
    .page-content .days-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .page-content .day-card {
        padding: 25px 20px;
    }

    .page-content .day-card .thai-full {
        font-size: 2.2em;
    }

    .page-content .day-card .thai-breakdown {
        font-size: 1.2em;
        gap: 6px;
    }

    .page-content .day-card .thai-part {
        padding: 6px 10px;
    }

    .page-content .day-card .pronunciation {
        font-size: 1.1em;
    }

    /* Example sentences responsive */
    .page-content .sentence-card {
        padding: 20px;
    }

    .page-content .sentence-full .thai-text {
        font-size: 1.8em;
    }

    .page-content .sentence-breakdown {
        font-size: 1em;
        gap: 6px;
    }

    .page-content .word-part {
        padding: 5px 8px;
        font-size: 1em;
    }

    .page-content .sentence-translation {
        font-size: 1em;
    }

    /* Vocabulary list responsive */
    .vocab-entry {
        flex-direction: column;
        align-items: flex-start;
    }

    .vocab-thai {
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }
}

/* Vocabulary List Styles */
.vocab-list {
    margin-top: 30px;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.vocab-entry {
    display: flex;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-light);
    background: white;
}

.vocab-list .vocab-entry:last-child {
    border-bottom: none;
}

.vocab-list .vocab-entry:nth-child(even) {
    background: var(--background-gray);
}

.vocab-thai {
    font-size: 2em;
    font-weight: bold;
    color: #0f172a;
    flex-shrink: 0; /* Prevents the Thai word from shrinking */
    width: 200px; /* Gives a consistent width */
    margin-right: 25px;
}

.vocab-details {
    flex-grow: 1;
}

.vocab-pronunciation {
    font-style: italic;
    font-weight: 500;
    color: var(--accent-green);
    font-size: 1.1em;
}

.vocab-english {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1em;
    margin-top: 2px;
}

.vocab-example {
    margin-top: 10px;
    font-size: 0.95em;
    color: var(--text-light);
    font-style: italic;
    border-left: 3px solid var(--border-light);
    padding-left: 10px;
}

.vocab-note {
    margin-top: 10px;
    font-size: 0.9em;
    color: var(--text-medium);
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 6px;
    padding: 8px 12px;
}

.pro-tip-box {
    background: #ecfdf5;
    border: 1px solid var(--accent-green);
    border-radius: 12px;
    padding: 20px;
    margin: 30px 0;
}

.pro-tip-box h4 {
    color: var(--accent-green);
    margin-bottom: 10px;
    font-size: 1.2em;
}

.pro-tip-box p {
    margin: 0;
    color: var(--text-dark);
}

/* Day Color Grid */
.day-color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin: 25px 0;
}

.day-color-box {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
}

.day-color-box:hover {
    box-shadow: var(--shadow-md);
}

.day-color-box strong {
    color: var(--text-dark);
    margin-right: 8px;
}

@media (max-width: 600px) {
    .day-color-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .day-color-box {
        padding: 12px;
    }
}

/* FAQ Accordion Styles */
.faq-accordion {
    margin-top: 25px;
}

.faq-item {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    background: white;
    border: none;
    padding: 20px;
    text-align: left;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: var(--background-gray);
}

.faq-item.active .faq-question {
    background: var(--light-gray);
    border-bottom: 1px solid var(--border-light);
}

.faq-toggle {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--primary-blue);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 20px;
    background: white;
    color: var(--text-medium);
    line-height: 1.6;
    border-top: 1px solid var(--border-lighter);
}

@media (max-width: 768px) {
    .faq-question {
        padding: 15px;
        font-size: 1em;
    }
    
    .faq-answer {
        padding: 15px;
    }
}