/* Стили для страницы версий */
.versions-nav {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    padding: 20px 40px;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-back {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: var(--control-bg);
}

.nav-back:hover {
    background: var(--card-border);
    transform: translateX(-5px);
}

.back-arrow {
    font-size: 1.2em;
}

.versions-nav h1 {
    color: var(--text-accent);
    margin: 0;
    font-size: 2em;
}

.versions-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Герой секция */
.versions-hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 20px;
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
}

.versions-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b35, #f7931e, #ffd200);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-icon {
    font-size: 4em;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.versions-hero h2 {
    color: var(--text-primary);
    font-size: 2.5em;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #ff6b35, #f7931e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.versions-hero p {
    color: var(--text-secondary);
    font-size: 1.2em;
    max-width: 500px;
    margin: 0 auto;
}

/* Сетка версий */
.versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.version-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 8px 25px var(--shadow-color);
}

.version-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-color);
}

.version-card.featured {
    border-color: var(--text-accent);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(187, 134, 252, 0.1) 100%);
}

.version-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: bold;
}

.version-header {
    margin-bottom: 20px;
}

.version-header h3 {
    color: var(--text-primary);
    font-size: 1.5em;
    margin: 0 0 5px 0;
}

.version-date {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.version-features {
    margin-bottom: 25px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 12px 0;
    color: var(--text-secondary);
}

.feature-icon {
    font-size: 1.1em;
    width: 20px;
    text-align: center;
}

.version-downloads {
    text-align: center;
}

.download-btn {
    display: block;
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    margin-bottom: 10px;
    cursor: pointer;
}

.download-btn.primary {
    background: linear-gradient(135deg, var(--text-accent), var(--text-accent2));
    color: #000000;
}

.download-btn.secondary {
    background: var(--control-bg);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(187, 134, 252, 0.4);
}

.download-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8em;
    color: var(--text-secondary);
}

/* Информация об установке */
.installation-info {
    margin-bottom: 60px;
}

.info-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 40px;
}

.info-card h3 {
    color: var(--text-primary);
    font-size: 2em;
    margin-bottom: 30px;
    text-align: center;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    background: linear-gradient(135deg, var(--text-accent), var(--text-accent2));
    color: #000000;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-size: 1.2em;
}

.step-content p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Системные требования */
.system-requirements h3 {
    color: var(--text-primary);
    font-size: 2em;
    text-align: center;
    margin-bottom: 40px;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.requirement-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 30px;
    position: relative;
}

.requirement-card.recommended {
    border-color: var(--text-accent);
}

.requirement-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: bold;
}

.requirement-card h4 {
    color: var(--text-primary);
    font-size: 1.3em;
    margin-bottom: 20px;
    text-align: center;
}

.requirement-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirement-card li {
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid var(--card-border);
    position: relative;
    padding-left: 20px;
}

.requirement-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--text-accent2);
    font-weight: bold;
}

.requirement-card li:last-child {
    border-bottom: none;
}

/* Адаптивность */
@media (max-width: 768px) {
    .versions-nav {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .versions-hero {
        padding: 40px 20px;
    }

    .versions-hero h2 {
        font-size: 2em;
    }

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

    .info-card {
        padding: 25px;
    }

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

    .step {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}