/**
 * English Tests Section Styles
 * Quiz-Mind.org Modern Clean & Vibrant Design System
 * Light, High-Contrast, Crystal-Clear & Professional Aesthetic
 */

:root {
    --eng-primary: #2563eb;
    --eng-primary-hover: #1d4ed8;
    --eng-primary-light: #eff6ff;
    --eng-primary-glow: rgba(37, 99, 235, 0.25);
    
    --eng-success: #10b981;
    --eng-success-bg: #ecfdf5;
    --eng-success-border: #a7f3d0;
    --eng-success-text: #065f46;

    --eng-danger: #ef4444;
    --eng-danger-bg: #fef2f2;
    --eng-danger-border: #fecaca;
    --eng-danger-text: #991b1b;

    --eng-warning: #f59e0b;
    --eng-warning-bg: #fffbeb;

    --eng-card-bg: #ffffff;
    --eng-card-border: #e2e8f0;
    --eng-card-hover-border: #93c5fd;

    --eng-text-main: #0f172a;
    --eng-text-secondary: #334155;
    --eng-text-dim: #64748b;
    --eng-text-light: #94a3b8;

    --eng-radius: 20px;
    --eng-radius-sm: 12px;

    --eng-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
    --eng-shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -2px rgba(15, 23, 42, 0.04);
    --eng-shadow-lg: 0 16px 32px -6px rgba(15, 23, 42, 0.08), 0 6px 12px -4px rgba(15, 23, 42, 0.04);
    --eng-shadow-xl: 0 24px 48px -12px rgba(37, 99, 235, 0.18);
}

/* Base Wrapper & Ambient Light Glow */
.eng-wrapper {
    position: relative;
    padding: 2.5rem 0 5rem;
    min-height: calc(100vh - 140px);
}

.eng-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
  
    background: radial-gradient(circle, rgba(37, 99, 235, 0.07) 0%, rgba(99, 102, 241, 0.04) 45%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

.eng-container {
    position: relative;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 1.25rem;
    z-index: 1;
}

/* Breadcrumbs */
.eng-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--eng-text-dim);
    margin-bottom: 2rem;
}

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

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

.eng-breadcrumbs span.separator {
    color: #cbd5e1;
}

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

/* Hero Section */
.eng-hero {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 3.5rem;
}

.eng-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1.15rem;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(99, 102, 241, 0.08) 100%);
    color: #2563eb;
    border: 1.5px solid rgba(37, 99, 235, 0.25);
    margin-bottom: 1.25rem;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.08);
}

.eng-hero-title {
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    font-weight: 900;
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: #0f172a;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.eng-hero-subtitle {
    font-size: 1.125rem;
    color: var(--eng-text-secondary);
    line-height: 1.65;
    max-width: 720px;
    margin: 0 auto;
}

/* Featured Diagnostic Card (Deep Royal Sapphire Luxury Style) */
.eng-featured-card {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2.5rem;
    align-items: center;
    padding: 2.5rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #172554 100%);
    border: 1.5px solid rgba(59, 130, 246, 0.35);
    border-radius: var(--eng-radius);
    box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.25), 0 0 30px rgba(59, 130, 246, 0.12);
    margin-bottom: 4rem;
    overflow: hidden;
}

.eng-featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.25), transparent 70%);
    pointer-events: none;
}

.eng-featured-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(56, 189, 248, 0.25);
    margin-bottom: 0.9rem;
}

.eng-featured-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.75rem;
    line-height: 1.25;
}

.eng-featured-desc {
    color: #cbd5e1;
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 660px;
}

.eng-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: #94a3b8;
}

.eng-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.eng-meta-item svg {
    color: #60a5fa;
}

.eng-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    color: #ffffff !important;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 14px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 22px -4px rgba(37, 99, 235, 0.45);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.eng-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px -4px rgba(37, 99, 235, 0.6);
    color: #ffffff !important;
}

.eng-btn-primary:active {
    transform: translateY(0);
}

/* Section Headers */
.eng-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.75rem;
    border-bottom: 1.5px solid #e2e8f0;
    padding-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.eng-section-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
    margin: 0;
}

.eng-section-desc {
    color: var(--eng-text-dim);
    font-size: 0.95rem;
    margin-top: 0.35rem;
    margin-bottom: 0;
}

/* CEFR Levels Grid (Clean White Crystalline Cards with Colorful Badges) */
.eng-levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.eng-level-card {
    position: relative;
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--eng-radius);
    padding: 1.85rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    box-shadow: var(--eng-shadow-sm);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.eng-level-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: transparent;
    transition: background 0.3s;
}

.eng-level-card:hover {
    transform: translateY(-5px);
    border-color: #93c5fd;
    box-shadow: var(--eng-shadow-xl);
}

.eng-level-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.15rem;
}

.eng-cefr-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.9rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: #ffffff !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.eng-level-count {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--eng-text-dim);
    background: #f1f5f9;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
}

.eng-level-name {
    font-size: 1.35rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.eng-level-desc {
    font-size: 0.925rem;
    color: var(--eng-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.eng-level-footer {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--eng-primary);
    transition: gap 0.2s;
    padding-top: 1rem;
    border-top: 1px solid #f1f5f9;
}

.eng-level-card:hover .eng-level-footer {
    gap: 0.75rem;
    color: #1d4ed8;
}

/* Category Filter Bar */
.eng-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.eng-filter-pill {
    padding: 0.55rem 1.15rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    background: #ffffff;
    color: #475569;
    border: 1.5px solid #e2e8f0;
    text-decoration: none;
    box-shadow: var(--eng-shadow-sm);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.eng-filter-pill:hover {
    color: #0f172a;
    border-color: #cbd5e1;
    background: #f8fafc;
    transform: translateY(-1px);
}

.eng-filter-pill.active {
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

/* Search Bar Input */
.eng-search-input {
    padding: 0.65rem 1.15rem;
    border-radius: 12px;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    color: #0f172a;
    font-size: 0.925rem;
    outline: none;
    transition: all 0.2s;
    box-shadow: var(--eng-shadow-sm);
    min-width: 220px;
}

.eng-search-input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Practice Tests Grid */
.eng-tests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.eng-test-card {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--eng-radius);
    padding: 1.85rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--eng-shadow-sm);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.eng-test-card:hover {
    transform: translateY(-4px);
    border-color: #93c5fd;
    box-shadow: var(--eng-shadow-xl);
}

.eng-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.15rem;
}

.eng-category-badge {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #475569;
    background: #f1f5f9;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.eng-card-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 0.6rem;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.eng-card-desc {
    font-size: 0.925rem;
    color: var(--eng-text-secondary);
    line-height: 1.55;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.eng-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.825rem;
    color: var(--eng-text-dim);
    margin-bottom: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid #f1f5f9;
}

.eng-meta-free-tag {
    color: #059669;
    background: #ecfdf5;
    border: 1px solid rgba(16, 185, 129, 0.3);
    font-weight: 700;
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 0.75rem;
}

/* Secondary Button */
.eng-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: 12px;
    color: #334155;
    font-weight: 600;
    font-size: 0.925rem;
    cursor: pointer;
    text-decoration: none;
    box-shadow: var(--eng-shadow-sm);
    transition: all 0.2s;
}

.eng-btn-secondary:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #0f172a;
    transform: translateY(-1px);
}

.eng-btn-secondary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

/* CEFR Standards Explanatory Box */
.eng-framework-box {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--eng-radius);
    padding: 2.5rem;
    margin-top: 3.5rem;
    box-shadow: var(--eng-shadow-md);
}

.eng-framework-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.eng-framework-tier {
    padding: 1.5rem;
    border-radius: 14px;
    border: 1.5px solid #e2e8f0;
    background: #f8fafc;
}

.eng-framework-tier-a {
    border-color: rgba(16, 185, 129, 0.35);
    background: linear-gradient(135deg, rgba(236, 253, 245, 0.8) 0%, #ffffff 100%);
}

.eng-framework-tier-b {
    border-color: rgba(59, 130, 246, 0.35);
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.8) 0%, #ffffff 100%);
}

.eng-framework-tier-c {
    border-color: rgba(245, 158, 11, 0.35);
    background: linear-gradient(135deg, rgba(255, 251, 235, 0.8) 0%, #ffffff 100%);
}

.eng-framework-tier-title {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.eng-framework-tier-desc {
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.6;
    margin: 0;
}

/* Interactive Test Runner UI */
.eng-runner-header {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--eng-radius);
    padding: 1.35rem 1.85rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--eng-shadow-sm);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.eng-runner-title {
    font-weight: 800;
    color: #0f172a;
    font-size: 1.15rem;
}

.eng-progress-track {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 9999px;
    overflow: hidden;
    margin-top: 0.85rem;
}

.eng-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #06b6d4);
    border-radius: 9999px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.eng-question-box {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--eng-radius);
    padding: 2.25rem;
    margin-bottom: 2rem;
    box-shadow: var(--eng-shadow-md);
}

.eng-passage-box {
    background: #f8fafc;
    border: 1.5px solid #cbd5e1;
    border-left: 5px solid #2563eb;
    padding: 1.35rem 1.6rem;
    border-radius: 10px;
    font-size: 0.975rem;
    line-height: 1.7;
    color: #1e293b;
    margin-bottom: 1.85rem;
    font-style: normal;
}

.eng-question-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.5;
    margin-bottom: 1.75rem;
}

.eng-options-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.eng-option-btn {
    display: flex;
    align-items: center;
    gap: 1.15rem;
    padding: 1.1rem 1.35rem;
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    color: #1e293b;
    font-size: 1.025rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    box-shadow: var(--eng-shadow-sm);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
}

.eng-option-btn:hover {
    background: #f8fafc;
    border-color: #93c5fd;
    transform: translateY(-1px);
    box-shadow: var(--eng-shadow-md);
}

.eng-option-btn.selected {
    background: #eff6ff;
    border-color: #2563eb;
    color: #1e3a8a;
    font-weight: 700;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18), var(--eng-shadow-md);
}

.eng-option-marker {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: #f1f5f9;
    color: #475569;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: all 0.2s;
    border: 1px solid #e2e8f0;
}

.eng-option-btn.selected .eng-option-marker {
    background: #2563eb;
    border-color: #2563eb;
    color: #ffffff;
}

.eng-runner-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.eng-nav-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1.5px solid #e2e8f0;
}

.eng-nav-pill {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    color: #475569;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--eng-shadow-sm);
    transition: all 0.15s;
}

.eng-nav-pill:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.eng-nav-pill.current {
    border-color: #2563eb;
    background: #eff6ff;
    color: #2563eb;
    font-weight: 800;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}

.eng-nav-pill.answered {
    background: #f0fdf4;
    border-color: #86efac;
    color: #15803d;
}

/* Results & Diagnostics View */
.eng-result-card {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--eng-radius);
    padding: 3.5rem 2.5rem;
    text-align: center;
    margin-bottom: 3.5rem;
    box-shadow: var(--eng-shadow-lg);
}

.eng-score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, #ffffff 65%, #eff6ff 100%);
    border: 6px solid #2563eb;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.25);
}

.eng-score-value {
    font-size: 2.75rem;
    font-weight: 900;
    color: #0f172a;
    line-height: 1;
}

.eng-score-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--eng-text-dim);
    margin-top: 0.35rem;
}

.eng-placement-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-size: 1.15rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1.15rem;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.eng-diagnostic-callout {
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-left: 5px solid #3b82f6;
    border-radius: 12px;
    padding: 1.25rem 1.6rem;
    max-width: 680px;
    margin: 0 auto 2rem;
    text-align: left;
    font-size: 0.925rem;
    color: #334155;
    line-height: 1.6;
}

.eng-diagnostic-callout strong {
    color: #2563eb;
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.95rem;
}

.eng-skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.eng-skill-card {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    padding: 1.35rem;
    box-shadow: var(--eng-shadow-sm);
}

.eng-skill-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #0f172a;
}

.eng-skill-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: 9999px;
    overflow: hidden;
}

.eng-skill-fill {
    height: 100%;
    background: #2563eb;
    border-radius: 9999px;
}

/* Review Mode Question Cards */
.eng-review-item {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--eng-radius);
    padding: 2.25rem;
    margin-bottom: 2rem;
    box-shadow: var(--eng-shadow-sm);
}

.eng-review-item.correct {
    border-left: 5px solid var(--eng-success);
}

.eng-review-item.incorrect {
    border-left: 5px solid var(--eng-danger);
}

.eng-review-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.35rem;
    border-radius: 12px;
    margin-bottom: 0.6rem;
    font-size: 0.975rem;
    border: 1.5px solid transparent;
}

.eng-review-option.is-neutral {
    background: #f8fafc;
    border-color: #e2e8f0;
    color: #475569;
}

.eng-review-option.is-correct-target {
    background: var(--eng-success-bg);
    border-color: var(--eng-success-border);
    color: var(--eng-success-text);
    font-weight: 700;
}

.eng-review-option.is-user-mistake {
    background: var(--eng-danger-bg);
    border-color: var(--eng-danger-border);
    color: var(--eng-danger-text);
    text-decoration: line-through;
    font-weight: 600;
}

.eng-explanation-callout {
    background: #f0fdf4;
    border: 1.5px solid #bbf7d0;
    border-left: 5px solid #16a34a;
    border-radius: 12px;
    padding: 1.35rem 1.6rem;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.65;
    color: #14532d;
}

.eng-explanation-callout strong {
    color: #15803d;
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 800;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .eng-featured-card {
        grid-template-columns: 1fr;
        padding: 1.75rem;
    }
    .eng-question-box {
        padding: 1.5rem;
    }
    .eng-hero-title {
        font-size: 2rem;
    }
}

/* ==========================================================================
   English Result Social Share Box
   ========================================================================== */
.eng-share-box {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--eng-radius);
    padding: 2rem 1.75rem;
    margin-top: 2rem;
    box-shadow: var(--eng-shadow-sm);
    text-align: center;
}

.eng-share-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 6px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.eng-share-subtitle {
    font-size: 0.94rem;
    color: #64748b;
    margin: 0;
}

.eng-unique-link-row {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    padding: 6px 6px 6px 14px;
    max-width: 580px;
    margin: 1.25rem auto 1.25rem auto;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.eng-unique-link-row:focus-within {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    background: #ffffff;
}

.eng-unique-link-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.88rem;
    color: #334155;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    outline: none;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    padding: 4px 0;
}

.eng-unique-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #0f172a;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 0.86rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.eng-unique-copy-btn:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.eng-unique-copy-btn.copied {
    background: #16a34a !important;
}

.eng-social-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.eng-social-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 0.88rem;
    font-weight: 700;
    color: #ffffff !important;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.eng-social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
    filter: brightness(1.08);
}

.eng-social-btn.telegram { background: #229ed9; }
.eng-social-btn.whatsapp { background: #25d366; }
.eng-social-btn.facebook { background: #1877f2; }
.eng-social-btn.vk { background: #0077ff; }
.eng-social-btn.twitter { background: #0f172a; }

@media (max-width: 600px) {
    .eng-share-box {
        padding: 1.5rem 1rem;
    }
    .eng-unique-link-row {
        flex-direction: column;
        align-items: stretch;
        padding: 8px;
    }
    .eng-unique-link-input {
        text-align: center;
        padding: 6px;
    }
    .eng-unique-copy-btn {
        justify-content: center;
    }
    .eng-social-buttons {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .eng-social-btn {
        justify-content: center;
        padding: 10px 12px;
        font-size: 0.82rem;
    }
}