/* ============================================
   Современный дизайн сайта
   ============================================ */

:root {
    --primary-color: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --secondary-color: #f59e0b;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --game-card-bg: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(236, 72, 153, 0.12) 50%, rgba(245, 158, 11, 0.1) 100%),
                linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* ============================================
   Навигация
   ============================================ */

.navbar {
    background: rgba(30, 41, 59, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--secondary-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::before {
    width: 80%;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.navbar-nav .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.navbar-nav .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Главный контент
   ============================================ */

main > .container {
    padding: 100px 15px 40px;
    max-width: 1200px;
}

/* ============================================
   Hero секция
   ============================================ */

.hero-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 4rem 2rem;
    margin: 2rem 0;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(139, 92, 246, 0.1);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: 0;
}

.hero-section > * {
    position: relative;
    z-index: 1;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.hero-section .lead {
    font-size: 1.5rem;
    color: #475569;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    font-weight: 400;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.btn-hero {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    display: inline-block;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.btn-hero-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-hero-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* ============================================
   Карточки
   ============================================ */

.feature-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(139, 92, 246, 0.1);
    position: relative;
    overflow: hidden;
}

.game-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(139, 92, 246, 0.1);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.game-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.game-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.game-card-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(139, 92, 246, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.game-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1rem;
}

.game-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.game-card-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary-color);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-card h2 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.feature-card p {
    color: #475569;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Формы
   ============================================ */

.card {
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(139, 92, 246, 0.1);
}

.card-body {
    padding: 2.5rem;
}

.form-control {
    border-radius: 10px;
    border: 2px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    border-radius: 10px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ============================================
   Футер
   ============================================ */

footer {
    background: rgba(30, 41, 59, 0.95) !important;
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.8);
    margin-top: auto;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
}

footer a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--secondary-color);
}

/* ============================================
   Алерты
   ============================================ */

.alert {
    border-radius: 12px;
    border: none;
    box-shadow: var(--shadow-md);
    padding: 1rem 1.5rem;
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
    color: #312e81;
    border-left: 4px solid var(--primary-color);
}

/* ============================================
   Breadcrumbs
   ============================================ */

.breadcrumb {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    box-shadow: var(--shadow-sm);
}

/* ============================================
   Адаптивность
   ============================================ */

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-hero {
        width: 100%;
    }
    
    main > .container {
        padding: 90px 15px 30px;
    }
}

/* ============================================
   Анимации
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   Дополнительные стили
   ============================================ */

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: var(--shadow-lg);
}

.bg-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.15);
    box-shadow: var(--shadow-md);
}

/* Улучшение для logout кнопки */
.nav li > form > button.logout {
    padding-top: 7px;
    color: rgba(255, 255, 255, 0.9);
    background: transparent;
    border: none;
    transition: all 0.3s ease;
}

.nav li > form > button.logout:hover {
    color: #fff;
    transform: translateY(-2px);
}

@media(max-width:767px) {
    .nav li > form > button.logout {
        display: block;
        text-align: left;
        width: 100%;
        padding: 10px 0;
    }
}

/* Ошибки форм */
.error-summary {
    color: #991b1b;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    border-left: 4px solid var(--danger-color);
    padding: 1rem 1.5rem;
    margin: 0 0 1.5rem 0;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}