/* Methodology Styling Redesign */
#about-methodology {
    max-width: 900px;
    margin: 0 auto;
}

.methodology-main-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
    color: var(--dark-blue);
}

/* Conditions Card (Hero Style) */
.methodology-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    margin-bottom: 30px;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
}

.methodology-card.conditions-card .card-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.card-header .header-icon {
    font-size: 1.5rem;
}

.card-header h4 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--dark-blue);
    font-weight: 700;
}

.methodology-card .card-content {
    padding: 30px;
}

.condition-item {
    margin-bottom: 25px;
}

.condition-item:last-child {
    margin-bottom: 0;
}

.condition-title {
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Score Grid */
.score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    margin: 15px 0;
}

.score-item {
    background: #f8f9fa;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-val {
    background: var(--primary-blue);
    color: #fff;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
    min-width: 35px;
    text-align: center;
}

/* Methodology Items (Accordion) */
.methodology-item {
    background: var(--white);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: var(--radius-lg);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s, box-shadow 0.2s;
}

.methodology-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}

.methodology-trigger {
    width: 100%;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.2s;
}

.methodology-trigger .trigger-text {
    display: flex;
    flex-direction: column;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-blue);
}

.trigger-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 4px;
}

.methodology-item.active .methodology-trigger {
    background-color: rgba(0,0,0,0.01);
}

/* Content Styling */
.methodology-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--white);
}

.methodology-item.active .methodology-content {
    max-height: none; /* Allow full expansion for nested content */
    padding-bottom: 30px;
    border-top: 1px solid var(--border-color);
    overflow: visible; /* Allow content to overflow if needed */
}

/* Fix for nested FAQ items not expanding parent */
.methodology-content .faq-answer {
    overflow: hidden; /* Maintain animation for FAQ answers */
}

.concept-intro {
    padding: 30px 30px 0;
    text-align: center;
}

.formula-box {
    background: linear-gradient(to right, #f8f9fa, #fff);
    padding: 20px;
    border-radius: var(--radius-md);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 1.2rem;
    text-align: center;
    margin: 20px 0;
    border: 1px solid #e9ecef;
    color: var(--dark-blue);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

/* Process Steps */
.step-process {
    padding: 0 30px;
    margin: 30px 0;
    position: relative;
}

.step-process::before {
    content: '';
    position: absolute;
    left: 49px; /* Adjust based on step-number width */
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: #e9ecef;
    z-index: 0;
}

.process-step {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
    box-shadow: 0 2px 5px rgba(33, 150, 243, 0.3);
}

.step-detail {
    flex-grow: 1;
    background: #fff;
}

.step-detail h5 {
    margin: 0 0 5px 0;
    font-size: 1.1rem;
    color: var(--dark-blue);
}

.sub-step {
    background: #fcfcfc;
    border-left: 3px solid #e9ecef;
    padding: 10px 15px;
    margin-top: 10px;
    font-size: 0.95rem;
}

.formula-small {
    font-family: monospace;
    background: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #eee;
    display: inline-block;
    margin-top: 5px;
    font-size: 0.9rem;
    color: #d63384; /* Highlight formulas */
}

/* Insight Box */
.insight-box {
    margin: 0 30px;
    background: #e8f5e9; /* Light green background */
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
    border-left: 4px solid #43a047; /* Green border accent */
}

.insight-icon {
    font-size: 1.5rem;
}

.insight-content strong {
    display: block;
    margin-bottom: 5px;
    color: #2e7d32; /* Darker green for title */
}

.insight-content p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #1b5e20; /* Dark green for text */
}

.methodology-list {
    padding: 0 30px;
    margin: 20px 0;
    list-style: none;
}

.methodology-list li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
}

.methodology-list li::before {
    content: '•';
    color: var(--primary-blue);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Dark Mode Overrides */
[data-theme="dark"] .methodology-main-title {
    color: var(--text-main);
}

[data-theme="dark"] .methodology-card {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .methodology-card.conditions-card .card-header {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border-bottom-color: #374151;
}

[data-theme="dark"] .card-header h4 {
    color: var(--text-main);
}

[data-theme="dark"] .methodology-item {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .methodology-trigger {
    color: var(--text-main);
}

[data-theme="dark"] .methodology-trigger .trigger-text {
    color: var(--text-main);
}

[data-theme="dark"] .methodology-content {
    background: #1f2937;
    border-top-color: #374151;
}

[data-theme="dark"] .score-item {
    background: #374151;
    color: var(--text-main);
}

[data-theme="dark"] .formula-box {
    background: linear-gradient(to right, #1f2937, #111827);
    border-color: #374151;
    color: #f1f5f9;
}

[data-theme="dark"] .sub-step {
    background: #374151;
    border-left-color: #4b5563;
    color: var(--text-main);
}

[data-theme="dark"] .step-detail {
    background: transparent;
}

[data-theme="dark"] .step-detail h5 {
    color: var(--text-main);
}

[data-theme="dark"] .formula-small {
    background: #374151;
    border-color: #4b5563;
    color: #f472b6;
}

[data-theme="dark"] .insight-box {
    background: rgba(6, 78, 59, 0.4);
    border-left-color: #15803d;
}

[data-theme="dark"] .insight-content strong {
    color: #4ade80;
}

[data-theme="dark"] .insight-content p {
    color: #dcfce7;
}

[data-theme="dark"] .step-process::before {
    background: #374151;
}

@media (max-width: 691px) {
    .step-process::before {
        display: none;
    }
    
    .process-step {
        flex-direction: column;
        gap: 10px;
    }
    
    .step-number {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }

    .methodology-trigger {
        padding: 15px 20px;
    }
    
    .methodology-content {
        padding: 0;
    }
    
    .concept-intro, .step-process, .insight-box, .methodology-list {
        padding-left: 15px;
        padding-right: 15px;
    }

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

@media (max-width: 768px) {
    #about-methodology .methodology-main-title {
        display: none;
    }
}

/* Fix for iOS zoom on input focus */
@media screen and (max-width: 810px) {
    input, select, textarea, .search-input {
        font-size: 16px !important;
    }
}

/* Concept Page Styling */
#about-concept, #about-data, #about-faq {
    background: var(--white);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-soft);
    max-width: 900px;
    margin: 0 auto;
}

#about-concept h3, #about-data h3, #about-faq h3 {
    margin-top: 0;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.about-block h3 {
    font-size: 1.5rem;
    color: var(--dark-blue);
    margin-bottom: 20px;
    margin-top: 0;
}

.about-block h4 {
    font-size: 1.2rem;
    color: var(--dark-blue);
    margin-top: 25px;
    margin-bottom: 15px;
}

.about-list {
    margin-bottom: 20px;
    padding-left: 20px;
}

.about-list li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.support-link {
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: underline;
}

.about-disclaimer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
    opacity: 0.8;
}

.about-disclaimer h4 {
    color: var(--text-muted);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.disclaimer-list {
    padding-left: 20px;
    margin: 0;
}

.disclaimer-list li {
    margin-bottom: 8px;
    line-height: 1.5;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 810px) {
    .desktop-nav {
        display: none;
    }
    
    .burger-btn {
        display: flex;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }

    /* Synergy styles moved to end of file */
}

/* Sections */
.data-section { margin-bottom: 40px; }
.hidden { display: none !important; }

.data-section.hidden { display: none; }
.section-title { font-size: 1.6rem; font-weight: 700; color: var(--dark-blue); margin: 0 0 16px 0; }

.section-description {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 100%;
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(225, 231, 239, 0.8);
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--primary-blue);
}

.regions-select-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 15px; }
.chip { 
    background: var(--white); 
    border: 1px solid var(--border-color); 
    border-radius: 999px; 
    padding: 6px 12px; 
    cursor: pointer; 
    transition: all 0.2s ease;
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.8rem;
}
.chip:hover { 
    border-color: var(--primary-blue); 
    color: var(--primary-blue); 
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.chip.active { 
    border-color: var(--primary-blue); 
    color: var(--white); 
    background: var(--primary-blue);
    box-shadow: 0 2px 6px rgba(11, 99, 199, 0.3);
}
button.chip { border: 1px solid #e1e7ef; box-shadow: 0 1px 2px rgba(0,0,0,0.04); }
button.chip:hover { background: #fff; }

.table-container { 
    background: var(--white); 
    border: 1px solid rgba(255,255,255,0.5); 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-soft); 
    overflow: visible; /* Ensure sticky headers work with body scroll */
    position: relative;
}
.table-container::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0,0,0,0.05);
    pointer-events: none;
    z-index: 10;
}

.data-table thead th {
    position: -webkit-sticky;
    position: sticky;
    top: 60px; /* Sticks below the site header */
    z-index: 90;
    background: #f8fbff;
    box-shadow: 0 1px 0 #e0e0e0;
    vertical-align: middle;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background: rgba(248, 251, 255, 0.95);
    transition: z-index 0.1s;
}

.data-table thead th:hover {
    z-index: 105;
}

.data-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.data-table th, .data-table td { padding: 12px 14px; border-bottom: 1px solid #f1f3f5; font-size: 0.95rem; transition: background-color 0.2s; }
.data-table th { text-align: left; color: var(--text-muted); font-weight: 600; letter-spacing: 0.01em; }
.data-table tr:hover td { background: #f8fbff; }
.data-table tr:last-child td { border-bottom: none; }

.link-btn { 
    border: 1px solid #e1e7ef; 
    background: #fff; 
    color: var(--dark-blue); 
    border-radius: 999px; 
    padding: 6px 12px; 
    font-weight: 600; 
    font-size: 0.95rem; 
    cursor: pointer; 
    box-shadow: 0 1px 2px rgba(0,0,0,0.04); 
    transition: all 0.2s ease;
}
.link-btn:hover { 
    background: #fff; 
    border-color: var(--primary-blue); 
    color: var(--primary-blue); 
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(0,0,0,0.08);
}

.flag { 
    width: 44px; 
    height: 30px; 
    object-fit: cover; 
    border: 1px solid #d1d5db; /* Darker border for better contrast */
    border-radius: 4px; 
    box-shadow: 0 2px 4px rgba(0,0,0,0.1); /* Stronger shadow */
    background-color: #f9fafb; /* Placeholder background */
}
.country-cell { display: flex; align-items: center; gap: 10px; }

/* =========================================
   Dark Mode Overrides
   ========================================= */
[data-theme="dark"] #about-methodology .methodology-main-title,
[data-theme="dark"] .about-block h3,
[data-theme="dark"] .about-block h4,
[data-theme="dark"] .section-title {
    color: var(--text-main);
}

[data-theme="dark"] .methodology-card {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .methodology-card.conditions-card .card-header {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border-bottom-color: #374151;
}

[data-theme="dark"] .card-header h4 {
    color: var(--text-main);
}

[data-theme="dark"] .score-item {
    background: #374151;
    color: var(--text-main);
}

[data-theme="dark"] .methodology-item {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .methodology-trigger .trigger-text {
    color: var(--text-main);
}

[data-theme="dark"] .trigger-label {
    color: var(--text-muted);
}

[data-theme="dark"] .methodology-content {
    background: #1f2937;
    border-top-color: #374151;
}

[data-theme="dark"] .formula-box {
    background: linear-gradient(to right, #1f2937, #111827);
    border-color: #374151;
    color: var(--text-main);
}

[data-theme="dark"] .step-process::before {
    background: #374151;
}

[data-theme="dark"] .step-detail {
    background: #1f2937;
}

[data-theme="dark"] .step-detail h5 {
    color: var(--text-main);
}

[data-theme="dark"] .sub-step {
    background: #273548;
    border-left-color: #374151;
    color: var(--text-secondary);
}

[data-theme="dark"] .formula-small {
    background: #374151;
    border-color: #4b5563;
    color: #f472b6;
}

[data-theme="dark"] .insight-box {
    background: rgba(6, 78, 59, 0.2);
    border-left-color: #15803d;
}

[data-theme="dark"] .insight-content strong {
    color: #4ade80;
}

[data-theme="dark"] .insight-content p {
    color: #d1fae5;
}

[data-theme="dark"] #about-concept,
[data-theme="dark"] #about-data,
[data-theme="dark"] #about-faq {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .about-disclaimer {
    border-top-color: #374151;
    color: var(--text-muted);
}

[data-theme="dark"] .section-description {
    background: #1f2937;
    border-color: #374151;
    color: var(--text-secondary);
}

[data-theme="dark"] .chip {
    background: #1f2937;
    border-color: #374151;
    color: var(--text-muted);
}

[data-theme="dark"] .chip:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

[data-theme="dark"] .chip.active {
    background: var(--primary-blue);
    color: #fff;
    border-color: var(--primary-blue);
}

[data-theme="dark"] button.chip:hover {
    background: #374151;
}

[data-theme="dark"] .table-container {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .data-table thead th {
    background: #1f2937;
    color: var(--text-main);
    box-shadow: 0 1px 0 #374151;
}

[data-theme="dark"] .data-table th,
[data-theme="dark"] .data-table td {
    border-bottom-color: #374151;
    color: var(--text-secondary);
}

[data-theme="dark"] .data-table tr:hover td {
    background: #374151;
}

[data-theme="dark"] .link-btn {
    background: #1f2937;
    border-color: #374151;
    color: var(--text-main);
}

[data-theme="dark"] .link-btn:hover {
    background: #1f2937;
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

[data-theme="dark"] .flag {
    border-color: #4b5563;
    background-color: #374151;
}

/* =========================================
   Regions Page Desktop Specific Styles
   ========================================= */
@media (min-width: 769px) {
    /* Center region toggle tabs */
    .regions-select-row {
        justify-content: center;
    }

    /* Reduce table width by 1/3 and center it */
    #regions-list.table-container,
    #regional-power-section .section-description {
        width: 66.66%;
        margin-left: auto;
        margin-right: auto;
    }

    /* Maintain bottom margin for description */
    #regional-power-section .section-description {
        margin-bottom: 20px;
    }
}