* {
    font-family: 'Inter', sans-serif;
}

body {
    background-color: #121212;
    color: #f5f5f5;
    overflow-x: hidden;
}

.page {
    display: none;
}

.active-page {
    display: block;
}

.gradient-bg {
    background: linear-gradient(135deg, #121212 0%, #1a1a1a 100%);
}

.card-gradient {
    background: linear-gradient(135deg, #1a1a1a 0%, #222222 100%);
}

.btn-accent {
    background-color: #ff5252;
    color: white;
    transition: all 0.3s ease;
}

.btn-accent:hover {
    background-color: #e04444;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 82, 82, 0.2);
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ff5252;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active::after {
    width: 100%;
}

.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.product-card {
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.modal-overlay {
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    animation: modalAppear 0.3s ease-out forwards;
}

@keyframes modalAppear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.admin-table {
    border-collapse: separate;
    border-spacing: 0;
}

.admin-table th {
    background-color: #1a1a1a;
}

.admin-table tr:nth-child(even) {
    background-color: #1a1a1a;
}

.admin-table tr:nth-child(odd) {
    background-color: #222222;
}

.admin-table tr:hover {
    background-color: #2a2a2a;
}

.profile-avatar {
    border: 2px solid #ff5252;
}

.subscription-status {
    position: relative;
    padding-left: 1.5rem;
}

.subscription-status::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #4ade80;
}

.subscription-status.expired::before {
    background-color: #ff5252;
}

.form-input {
    background-color: #222222;
    border: 1px solid #2a2a2a;
    color: white;
    transition: border-color 0.3s ease;
}

.form-input:focus {
    border-color: #ff5252;
    outline: none;
}

.form-input::placeholder {
    color: #666;
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
    will-change: opacity, transform;
}

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

@media (max-width: 768px) {
    .fade-in {
        animation: fadeInMobile 0.4s ease-out forwards;
    }
    
    @keyframes fadeInMobile {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .feature-card:hover {
        transform: none;
        box-shadow: none;
    }
    
    .product-card:hover {
        transform: none;
        box-shadow: none;
    }
}

#mobile-menu {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

#mobile-menu a {
    position: relative;
    border-radius: 12px;
    transition: all 0.3s ease;
    overflow: hidden;
}

#mobile-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 82, 82, 0.1), transparent);
    transition: left 0.5s ease;
}

#mobile-menu a:hover::before {
    left: 100%;
}

#mobile-menu a:hover {
    background-color: #2a2a2a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

#mobile-menu a i {
    transition: all 0.3s ease;
}

#mobile-menu a:hover i {
    color: #ff5252;
}

#mobile-menu-button {
    position: relative;
    transition: all 0.2s ease;
}

#mobile-menu-button:hover {
    background-color: #2a2a2a;
    transform: scale(1.05);
}

#mobile-menu-close {
    transition: all 0.2s ease;
}

#mobile-menu-close:hover {
    background-color: #2a2a2a;
    transform: scale(1.1);
}

.animate-on-scroll {
    will-change: opacity, transform;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.feature-list li {
    position: relative;
    overflow: hidden;
}

.feature-list li::before {
    display: none;
}

.feature-list li:hover::before {
    display: none;
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem;
    border-radius: 0.5rem;
    color: white;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
}

.notification.success {
    background-color: #10b981;
}

.notification.error {
    background-color: #ef4444;
}

.notification.warning {
    background-color: #f59e0b;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ff5252;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    .animate-on-scroll {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .nav-link:hover::after {
        width: 0;
    }

    #mobile-menu {
        transform: translateY(-10px);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    #mobile-menu:not(.hidden) {
        transform: translateY(0);
    }
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-on-scroll {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}