/* Reset и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: var(--container-max-width);
    margin: 0 auto;
    position: relative;
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-stats {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.stat-item:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-item i {
    color: var(--secondary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--space-lg);
    padding-bottom: calc(var(--nav-height) + var(--space-lg));
    overflow-y: auto;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0 var(--space-md);
    z-index: var(--z-fixed);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm);
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    flex: 1;
    max-width: 80px;
    position: relative;
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.nav-item i {
    font-size: 1.25rem;
}

.nav-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Центральная кнопка игры */
.nav-center {
    position: relative;
    transform: translateY(-20px);
    max-width: 70px;
}

.nav-center-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-bounce);
}

.nav-center:hover .nav-center-icon {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.nav-center i {
    font-size: 1.5rem;
    color: white;
}

.nav-center.active .nav-center-icon {
    background: var(--gradient-accent);
}

/* Карточки */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-dark);
}

.card-header {
    margin-bottom: var(--space-md);
}

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

.card-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

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

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
}

.btn-accent {
    background: var(--gradient-accent);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
}

.btn-lg {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Сетки */
.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

/* Flex */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

/* Текст */
.text-center {
    text-align: center;
}

.text-sm {
    font-size: 0.875rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-3xl {
    font-size: 1.875rem;
}

.font-bold {
    font-weight: 700;
}

.font-black {
    font-weight: 900;
}

.text-muted {
    color: var(--text-muted);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

/* Модальные окна */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--space-md);
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

.modal-header {
    margin-bottom: var(--space-lg);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

/* Уведомления */
.notifications {
    position: fixed;
    top: var(--header-height);
    right: var(--space-md);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: toastSlideIn 0.3s ease;
    max-width: 300px;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.warning {
    border-left: 4px solid #f59e0b;
}

.toast.info {
    border-left: 4px solid var(--primary-color);
}

/* Аватар */
.avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
}

.avatar img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

.avatar-lg {
    width: 64px;
    height: 64px;
    font-size: 1.25rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--gradient-primary);
    color: white;
}

.badge-secondary {
    background: var(--gradient-secondary);
    color: white;
}

.badge-accent {
    background: var(--gradient-accent);
    color: white;
}

/* Адаптивность */
@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .main-content {
        padding: var(--space-md);
        padding-bottom: calc(var(--nav-height) + var(--space-md));
    }
    
    .header {
        padding: 0 var(--space-sm);
    }
    
    .header-stats {
        gap: var(--space-md);
    }
    
    .stat-item {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.8rem;
    }
    
    .nav-item span {
        font-size: 0.7rem;
    }
    
    .nav-center {
        transform: translateY(-15px);
    }
    
    .nav-center-icon {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .main-content {
        padding: var(--space-sm);
        padding-bottom: calc(var(--nav-height) + var(--space-sm));
    }
    
    .card {
        padding: var(--space-md);
    }
    
    .modal {
        padding: var(--space-lg);
    }
}