:root {
    --primary-color: #3B82F6;
    --secondary-color: #10B981;
    --dark-color: #1F2937;
    --light-color: #F3F4F6;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
}

/* Dark Mode */
body.dark-mode {
    background-color: #111827;
    color: #F9FAFB;
}

body.dark-mode .bg-light {
    background-color: #1F2937 !important;
}

body.dark-mode .card {
    background-color: #1F2937;
    color: #F9FAFB;
}

body.dark-mode .text-muted {
    color: #9CA3AF !important;
}

/* Tool Cards */
.tool-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
}

.tool-icon {
    transition: transform 0.3s ease;
}

.tool-card:hover .tool-icon {
    transform: scale(1.1);
}

/* Pricing Cards */
.pricing-card {
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero-shape {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-shape svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 150px;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .tool-card {
        margin-bottom: 20px;
    }
}

/* Admin Panel Styles */
.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: calc(100vh - 48px);
    padding-top: .5rem;
    overflow-x: hidden;
    overflow-y: auto;
}

.sidebar .nav-link {
    font-weight: 500;
    color: #333;
}

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

/* Progress Bar */
.progress {
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

/* Dropzone Custom */
.dropzone {
    border: 2px dashed var(--primary-color);
    border-radius: 10px;
    background: #f8f9fa;
}

.dark-mode .dropzone {
    background: #1F2937;
}