/* Стили для курсов на базе home.html */

/* === РЕВОЛЮЦИОННАЯ ГЛАВНАЯ СТРАНИЦА === */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === РЕВОЛЮЦИОННЫЙ HERO === */
.revolutionary-hero-home {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.revolutionary-hero-home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(255,255,255,0.05) 0%, transparent 50%);
    animation: morphBackground 20s ease-in-out infinite;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: floatParticles 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; }

.hero-main-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-badge-revolutionary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 32px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.hero-title-revolutionary {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 50%, #e0f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.hero-subtitle-revolutionary {
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-actions-revolutionary {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn-revolutionary-hero {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.btn-primary-hero {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-primary-hero:hover {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(255, 255, 255, 0.2);
}

.btn-secondary-hero {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary-hero:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.hero-stats-revolutionary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.stat-card-revolutionary {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-card-revolutionary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-number-revolutionary {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label-revolutionary {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === КУРСЫ СЕКЦИЯ === */
.courses-revolutionary {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
    position: relative;
}

/* Светлая тема для секции курсов */
[data-theme="light"] .courses-revolutionary {
    background: linear-gradient(180deg, #f9fafb 0%, #f3f4f6 100%);
}

.section-header-revolutionary {
    text-align: center;
    margin-bottom: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title-revolutionary {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-color) 0%, var(--primary-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle-revolutionary {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.courses-filter-revolutionary {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    font-family: inherit;
    outline: none;
}

/* Светлая тема */
[data-theme="light"] .filter-btn {
    background: #ffffff;
    border: 2px solid #d1d5db;
    color: #374151;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

[data-theme="light"] .filter-btn:hover,
[data-theme="light"] .filter-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.courses-grid-revolutionary {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.course-card-revolutionary {
    background: var(--bg-color);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Фон для светлой темы */
[data-theme="light"] .course-card-revolutionary {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .course-card-revolutionary:hover {
    border-color: var(--primary-500);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.course-card-revolutionary:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.course-image-revolutionary {
    height: 220px;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.course-image-revolutionary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.course-placeholder-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 3rem;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    transition: transform 0.3s ease;
}

.course-placeholder-image.course-placeholder-pink {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.course-placeholder-image.course-placeholder-blue {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.course-placeholder-image.course-placeholder-series {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.course-card-revolutionary:hover .course-image-revolutionary img {
    transform: scale(1.05);
}

.course-card-revolutionary:hover .course-placeholder-image {
    transform: scale(1.05);
}

.course-badge-revolutionary {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--primary-500);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.course-content-revolutionary {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.course-title-revolutionary {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.3;
    min-height: 2.6rem;
}

.course-description-revolutionary {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
    min-height: 3.2rem;
}

.course-meta-revolutionary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.course-duration-revolutionary,
.course-lessons-revolutionary {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
}

.course-price-revolutionary .price-free {
    color: #10b981;
    font-weight: 700;
}

.course-price-revolutionary .price-paid {
    font-weight: 700;
    color: #0ea5e9;
}

.course-card-revolutionary {
    text-decoration: none;
    color: inherit;
}

.course-card-revolutionary .course-image-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

/* === COURSE PURCHASE BUTTONS (UPDATED 2026-02-03 15:20) === */
.course-action-buttons {
    margin-top: 16px !important;
    display: flex !important;
    gap: 8px !important;
    align-items: center !important;
}

.course-buy-btn,
a.course-buy-btn,
a.course-buy-btn:link,
a.course-buy-btn:visited {
    flex: 1 !important;
    text-align: center !important;
    padding: 12px 20px !important;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: white !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    transition: transform 0.2s, box-shadow 0.2s !important;
    display: inline-block !important;
}

.course-buy-btn:hover,
.course-buy-btn:focus,
a.course-buy-btn:hover,
a.course-buy-btn:focus {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3) !important;
    color: white !important;
    text-decoration: none !important;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

/* === COURSE DETAIL BUTTON === */
.course-btn-revolutionary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 20px;
    margin-top: 16px;
    background: var(--primary-500);
    color: white;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.course-btn-revolutionary:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    color: white;
    text-decoration: none;
}

[data-theme="light"] .course-btn-revolutionary {
    background: #667eea;
}

[data-theme="light"] .course-btn-revolutionary:hover {
    background: #5a67d8;
}

/* === FEATURES === */
.features-revolutionary {
    padding: 120px 0;
    background: var(--bg-color);
}

.features-grid-revolutionary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card-revolutionary {
    background: var(--bg-color);
    padding: 40px 32px;
    border-radius: 24px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card-revolutionary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.feature-card-revolutionary:hover::before {
    left: 100%;
}

.feature-card-revolutionary:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-500);
}

.feature-icon-revolutionary {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 24px;
    color: white;
}

.feature-title-revolutionary {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-color);
}

.feature-description-revolutionary {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Переопределяем стили кнопок внутри feature карточек */
.feature-card-revolutionary .btn-revolutionary-hero.btn-primary-hero {
    background: var(--primary-500);
    color: white;
    border: 2px solid var(--primary-500);
}

.feature-card-revolutionary .btn-revolutionary-hero.btn-primary-hero:hover {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-card-revolutionary .btn-revolutionary-hero.btn-secondary-hero {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.feature-card-revolutionary .btn-revolutionary-hero.btn-secondary-hero:hover {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
    transform: translateY(-2px);
}

/* Стили для кнопок фильтров в революционном стиле - адаптация к темам */
.filter-btn {
    padding: 12px 24px;
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
    text-decoration: none;
    display: inline-block;
}

.filter-btn.active,
.filter-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

/* Адаптация фильтров для светлой темы */
[data-theme="light"] .courses-revolutionary .filter-btn {
    border-color: var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    backdrop-filter: none;
}

[data-theme="light"] .courses-revolutionary .filter-btn.active,
[data-theme="light"] .courses-revolutionary .filter-btn:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

/* === CTA === */
.cta-revolutionary {
    padding: 80px 0;
    margin-top: 60px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #667eea 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-revolutionary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 50%);
}

.cta-content-revolutionary {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: white;
}

.cta-title-revolutionary {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin: 0 0 16px 0;
    line-height: 1.2;
}

.cta-description-revolutionary {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.95;
}

[data-theme="light"] .cta-title-revolutionary,
[data-theme="light"] .cta-description-revolutionary {
    color: #ffffff;
}

.cta-actions-revolutionary {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-badge-revolutionary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    margin-bottom: 24px;
}

.cta-subtitle-revolutionary {
    font-size: 18px;
    opacity: 0.9;
    margin: 0 0 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* === Анимации === */
@keyframes morphBackground {
    0%, 100% { transform: scale(1) rotate(0deg); }
    33% { transform: scale(1.1) rotate(1deg); }
    66% { transform: scale(0.9) rotate(-1deg); }
}

@keyframes floatParticles {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

.animate-fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.animate-fade-in.delay-1 { animation-delay: 0.2s; }
.animate-fade-in.delay-2 { animation-delay: 0.4s; }
.animate-fade-in.delay-3 { animation-delay: 0.6s; }
.animate-fade-in.delay-4 { animation-delay: 0.8s; }

@keyframes fadeIn {
    to { opacity: 1; }
}

/* === About Hero (для кода) === */

/* === Темная тема === */
[data-theme="dark"] .revolutionary-hero-home {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 50%, #4a5568 100%);
}

[data-theme="dark"] .courses-revolutionary {
    background: linear-gradient(180deg, var(--bg-color) 0%, #1a202c 100%);
}

[data-theme="dark"] .hero-badge-revolutionary,
[data-theme="dark"] .stat-card-revolutionary {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .course-card-revolutionary,
[data-theme="dark"] .feature-card-revolutionary {
    background: #2d3748;
    border-color: #4a5568;
}

[data-theme="dark"] .course-card-revolutionary:hover,
[data-theme="dark"] .feature-card-revolutionary:hover {
    background: #374151;
}

/* === Адаптивность === */
@media (max-width: 768px) {
    .hero-actions-revolutionary {
        flex-direction: column;
        align-items: center;
    }

    .btn-revolutionary-hero {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .hero-stats-revolutionary {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .courses-grid-revolutionary {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .courses-filter-revolutionary {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions-revolutionary {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .revolutionary-hero-home {
        min-height: 80vh;
    }

    .courses-revolutionary,
    .features-revolutionary,
    .cta-revolutionary {
        padding: 80px 0;
    }

    .hero-stats-revolutionary {
        grid-template-columns: 1fr;
    }
}

/* === BLOG SPECIFIC STYLES === */

/* Article Detail Styles */
.hero-content-revolutionary {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-category-revolutionary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 32px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-meta-revolutionary {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.meta-item-hero {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.15);
    padding: 16px 24px;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.author-avatar-hero {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 18px;
}

.author-info-hero {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.author-name {
    font-weight: 700;
    font-size: 16px;
}

.author-role {
    font-size: 14px;
    opacity: 0.8;
}

.meta-stats-hero {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.difficulty-badge-hero {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    margin-top: 24px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Article Content */
.article-content-revolutionary {
    padding: 100px 0;
    background: var(--bg-color);
}

.article-layout-revolutionary {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.article-main-revolutionary {
    color: var(--text-color);
}

.article-image-revolutionary {
    margin-bottom: 48px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.article-image-revolutionary img {
    width: 100%;
    height: auto;
    display: block;
}

.article-text-revolutionary {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 48px;
}

.article-tags-revolutionary {
    margin-bottom: 48px;
    padding: 32px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.tags-title-revolutionary {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.tags-grid-revolutionary {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tag-item-revolutionary {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tag-item-revolutionary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.article-share-revolutionary {
    padding: 32px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.share-title-revolutionary {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.share-buttons-revolutionary {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.share-btn-revolutionary {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.share-btn-revolutionary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.share-twitter:hover { background: #1da1f2; color: white; border-color: #1da1f2; }
.share-facebook:hover { background: #1877f2; color: white; border-color: #1877f2; }
.share-linkedin:hover { background: #0077b5; color: white; border-color: #0077b5; }
.share-telegram:hover { background: #0088cc; color: white; border-color: #0088cc; }
.share-copy:hover { background: var(--primary-500); color: white; border-color: var(--primary-500); }

/* Sidebar */
.article-sidebar-revolutionary {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sidebar-card-revolutionary {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.sidebar-card-revolutionary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.sidebar-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.sidebar-icon {
    font-size: 24px;
}

.sidebar-title-revolutionary {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

.table-of-contents-revolutionary {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toc-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-color);
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.toc-link:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

.author-card-revolutionary {
    display: flex;
    gap: 16px;
    align-items: center;
}

.author-avatar-revolutionary {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 24px;
}

.author-details-revolutionary {
    flex: 1;
}

.author-name-revolutionary {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-color);
}

.author-role-revolutionary {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.author-stats-revolutionary {
    display: flex;
    gap: 16px;
}

.author-stats-revolutionary .stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.related-articles-revolutionary {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.related-article-revolutionary {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    background: var(--bg-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.related-article-revolutionary:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

.related-article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    opacity: 0.7;
}

.related-category {
    font-size: 16px;
}

.related-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    margin: 0;
}

.quick-actions-revolutionary {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.action-btn-revolutionary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.action-btn-revolutionary:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

/* Navigation */
.article-navigation-revolutionary {
    padding: 100px 0;
    background: var(--card-bg);
}

.navigation-grid-revolutionary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.nav-card-revolutionary {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 32px;
    background: var(--bg-color);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.nav-card-revolutionary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.nav-direction {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-500);
}

.nav-arrow {
    font-size: 18px;
}

.nav-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
}

.nav-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.nav-placeholder {
    visibility: hidden;
}

/* Comments */
.comments-revolutionary {
    padding: 100px 0;
    background: var(--bg-color);
}

.comments-header-revolutionary {
    text-align: center;
    margin-bottom: 60px;
}

.comments-title-revolutionary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 36px;
    font-weight: 900;
    color: var(--text-color);
    margin-bottom: 16px;
}

.comment-form-revolutionary {
    max-width: 800px;
    margin: 0 auto 60px;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
}

.comment-author-revolutionary {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.comment-author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 18px;
}

.comment-author-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-color);
}

.comment-textarea-revolutionary {
    width: 100%;
    min-height: 120px;
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    line-height: 1.6;
    background: var(--bg-color);
    color: var(--text-color);
    resize: vertical;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.comment-textarea-revolutionary:focus {
    outline: none;
    border-color: var(--primary-500);
}

.comment-actions-revolutionary {
    display: flex;
    justify-content: flex-end;
}

.comment-submit-revolutionary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: var(--primary-500);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.comment-submit-revolutionary:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
}

.comment-auth-revolutionary {
    max-width: 600px;
    margin: 0 auto 60px;
    text-align: center;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
}

.auth-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 24px;
}

.auth-btn-revolutionary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: var(--primary-500);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.auth-btn-revolutionary:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
}

.comments-list-revolutionary {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.comment-item-revolutionary {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
}

.comment-header-revolutionary {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.comment-avatar-revolutionary {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 18px;
}

.comment-info-revolutionary {
    flex: 1;
}

.comment-author-revolutionary {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 4px;
}

.comment-date-revolutionary {
    font-size: 14px;
    color: var(--text-secondary);
}

.comment-content-revolutionary {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 16px;
}

.comment-actions-small {
    display: flex;
    gap: 16px;
}

.comment-like-btn,
.comment-reply-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.comment-like-btn:hover,
.comment-reply-btn:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

.empty-comments-revolutionary {
    text-align: center;
    padding: 60px 32px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.empty-comments-revolutionary h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 16px;
}

.empty-comments-revolutionary p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* Tags Styles */
.tag-cloud-revolutionary {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.tag-revolutionary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tag-revolutionary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.tag-revolutionary:hover::before {
    left: 100%;
}

.tag-revolutionary:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
    transform: scale(1.05);
}

.tag-count {
    font-size: 12px;
    opacity: 0.7;
}

.tag-size-1 { font-size: 14px; }
.tag-size-2 { font-size: 16px; }
.tag-size-3 { font-size: 18px; }

.search-box-revolutionary {
    max-width: 600px;
    margin: 0 auto 60px;
    position: relative;
}

.search-input-revolutionary {
    width: 100%;
    padding: 20px 60px 20px 24px;
    font-size: 18px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    background: var(--card-bg);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.search-input-revolutionary:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.1);
}

.search-btn-revolutionary {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: var(--primary-500);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn-revolutionary:hover {
    background: var(--primary-600);
    transform: translateY(-50%) scale(1.05);
}

.tag-categories-revolutionary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.tag-category-revolutionary {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
}

.tag-category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.category-icon {
    font-size: 32px;
}

.category-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

.tag-category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-revolutionary-small {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tag-revolutionary-small:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

/* Empty State */
.empty-state-revolutionary {
    text-align: center;
    padding: 80px 32px;
    grid-column: 1 / -1;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.empty-state-revolutionary h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 16px;
}

.empty-state-revolutionary p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Pagination */
.pagination-revolutionary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 0;
    flex-wrap: wrap;
    margin-top: 40px;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #f3f4f6 0%, #667eea 100%);
    border: 2px solid #d1d5db;
    border-radius: 12px;
    color: #1f2937;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
    min-height: 44px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.1);
}

.pagination-btn:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

.pagination-btn.pagination-current,
.pagination-current {
    background: linear-gradient(135deg, #667eea, #5a67d8);
    border-color: #5a67d8;
    color: white !important;
    cursor: default;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
    font-weight: 700;
}

.pagination-btn.pagination-current:hover,
.pagination-current:hover {
    transform: none;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination-numbers .pagination-btn {
    min-width: 44px;
    padding: 10px 14px;
    justify-content: center;
}

.pagination-dots {
    color: var(--gray-400, #9ca3af);
    padding: 0 8px;
    font-weight: bold;
}

.pagination-info {
    padding: 12px 20px;
    background: var(--gray-50, #f9fafb);
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    color: var(--gray-600, #4b5563);
    font-weight: 500;
    font-size: 14px;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.pagination-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Dark Theme */
[data-theme="dark"] .pagination-btn {
    background: var(--gray-800, #1f2937);
    border-color: var(--gray-700, #374151);
    color: var(--gray-300, #d1d5db);
}

[data-theme="dark"] .pagination-btn:hover {
    background: var(--gray-700, #374151);
    border-color: var(--primary-500, #667eea);
    color: var(--primary-400, #818cf8);
}

[data-theme="dark"] .pagination-btn.pagination-current,
[data-theme="dark"] .pagination-current {
    background: linear-gradient(135deg, var(--primary-600, #5a67d8), var(--primary-700, #4c51bf));
    border-color: var(--primary-600, #5a67d8);
    color: white;
}

[data-theme="dark"] .pagination-info {
    background: var(--gray-800, #1f2937);
    border-color: var(--gray-700, #374151);
    color: var(--gray-400, #9ca3af);
}

[data-theme="dark"] .pagination-dots {
    color: var(--gray-600, #4b5563);
}

/* Responsive Design */
@media (max-width: 768px) {
    .pagination-revolutionary {
        gap: 8px;
        padding: 30px 0;
    }

    .pagination-btn {
        padding: 10px 14px;
        font-size: 14px;
        min-height: 40px;
    }

    .pagination-btn .btn-text {
        display: none;
    }

    .pagination-numbers .pagination-btn {
        min-width: 40px;
        justify-content: center;
    }

    .pagination-info {
        order: -1;
        width: 100%;
        text-align: center;
        margin-bottom: 12px;
    }

    .article-layout-revolutionary {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .navigation-grid-revolutionary {
        grid-template-columns: 1fr;
    }

    .tag-categories-revolutionary {
        grid-template-columns: 1fr;
    }

    .hero-meta-revolutionary {
        flex-direction: column;
        gap: 24px;
    }

    .meta-stats-hero {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .pagination-first,
    .pagination-last {
        display: none;
    }
}

/* Featured article specific styles */
.featured-badge {
    background: linear-gradient(135deg, #FFD700, #FFA500) !important;
    color: var(--neutral-900) !important;
    font-weight: 600;
    border: 2px solid #FFD700;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.featured-stats {
    display: flex;
    gap: 1rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--neutral-200);
}

.dark .featured-stats {
    border-top-color: var(--neutral-700);
}

.featured-stat {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-color);
    opacity: 0.8;
}

.featured-stat .stat-icon {
    font-size: 1rem;
}
/* === SERIES PROGRESS INDICATOR === */
.series-progress-indicator {
    background: var(--card-bg, white);
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: 20px;
    padding: 32px;
    margin: 40px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.series-progress-indicator .progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.series-progress-indicator .progress-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color, #1f2937);
    display: flex;
    align-items: center;
    gap: 10px;
}

.series-progress-indicator .progress-percentage {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-500, #667eea), var(--primary-600, #5a67d8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.series-progress-indicator .progress-bar-container {
    background: var(--gray-100, #f3f4f6);
    border-radius: 50px;
    height: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.series-progress-indicator .progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-400, #818cf8) 0%, var(--primary-600, #5a67d8) 50%, var(--primary-500, #667eea) 100%);
    border-radius: 50px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.series-progress-indicator .progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.series-progress-indicator .progress-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--gray-600, #4b5563);
    font-weight: 500;
}

[data-theme="dark"] .series-progress-indicator {
    background: var(--gray-800, #1f2937);
    border-color: var(--gray-700, #374151);
}

[data-theme="dark"] .series-progress-indicator .progress-title {
    color: var(--gray-100, #f3f4f6);
}

[data-theme="dark"] .series-progress-indicator .progress-bar-container {
    background: var(--gray-700, #374151);
}

[data-theme="dark"] .series-progress-indicator .progress-stats {
    color: var(--gray-400, #9ca3af);
}

.series-progress-bar {
    background: var(--gray-200, #e5e7eb);
    border-radius: 50px;
    height: 8px;
    overflow: hidden;
    margin-top: 12px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.series-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500, #667eea), var(--primary-600, #5a67d8));
    border-radius: 50px;
    transition: width 0.6s ease;
}

[data-theme="dark"] .series-progress-bar {
    background: var(--gray-700, #374151);
}

.series-meta-extended {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 13px;
    color: var(--gray-600, #4b5563);
}

[data-theme="dark"] .series-meta-extended {
    color: var(--gray-400, #9ca3af);
}

@media (max-width: 768px) {
    .series-progress-indicator {
        padding: 24px 20px;
    }

    .series-progress-indicator .progress-title {
        font-size: 18px;
    }

    .series-progress-indicator .progress-percentage {
        font-size: 28px;
    }

    .series-progress-indicator .progress-stats {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

/* === COURSE DETAIL TABS === */
.course-tabs-container {
    display: flex;
    gap: 4px;
    margin-bottom: 40px;
    background: #f1f5f9;
    padding: 4px;
    border-radius: 16px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.tab-btn {
    flex: 1;
    padding: 12px 20px;
    border-radius: 12px;
    border: none;
    background: transparent;
    color: #64748b;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: white;
    color: #667eea;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tab-content {
    grid-column: 1 / -1;
    display: none;
}

.tab-content.active {
    display: block;
}

.course-overview-card {
    max-width: 900px;
    margin: 0 auto;
}

.course-description-content {
    margin-bottom: 32px;
    text-align: left;
}

.course-learning-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: #2d3748;
    margin-bottom: 20px;
}

.course-learning-list {
    list-style: none;
    padding: 0;
}

.course-learning-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: 1rem;
    color: var(--primary-500);
}

.course-learning-item:last-child {
    border-bottom: none;
}

.course-learning-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    flex-shrink: 0;
}

.lesson-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    color: #64748b;
    font-size: 14px;
    font-weight: 600;
}

.reviews-empty-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.reviews-empty-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #64748b;
}

.code-examples-section {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.code-examples-content {
    max-width: none;
}

.code-examples-text {
    text-align: center;
    margin-bottom: 60px;
}

/* Tag Category Cards - Gradient Colors */
.tag-category-card .course-placeholder-image {
    font-size: 4rem !important;
}

.tag-category-card[data-category="python"] .course-placeholder-image {
    background: linear-gradient(135deg, #3776ab, #ffd343) !important;
}

.tag-category-card[data-category="django"] .course-placeholder-image {
    background: linear-gradient(135deg, #092e20, #44b78b) !important;
}

.tag-category-card[data-category="fastapi"] .course-placeholder-image {
    background: linear-gradient(135deg, #009688, #05a081) !important;
}

.tag-category-card[data-category="frontend"] .course-placeholder-image {
    background: linear-gradient(135deg, #61dafb, #21a1f1) !important;
}

.tag-category-card[data-category="devops"] .course-placeholder-image {
    background: linear-gradient(135deg, #2496ed, #0db7ed) !important;
}

.tag-category-card[data-category="async"] .course-placeholder-image {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
}

.tag-category-card .tag-category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag-category-card .course-title-revolutionary {
    cursor: pointer;
    transition: color 0.3s ease;
}

.tag-category-card .course-title-revolutionary:hover {
    color: var(--primary-600);
}