@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

.glassmorphism {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s ease forwards;
}

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

.tool-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.tool-content.active {
    max-height: 1000px;
}

.spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid #8B5CF6;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

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

.wave-animation {
    animation: wave 2s ease-in-out infinite;
}

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

/* Dark mode styles */
.dark {
    background-color: #1f2937;
    color: #f9fafb;
}

.dark header {
    background-color: #374151;
    border-color: #4b5563;
}

.dark .tool-card {
    background-color: #374151;
    color: #f9fafb;
}

.dark .bg-white {
    background-color: #374151 !important;
    color: #f9fafb !important;
}

.dark input, .dark textarea, .dark select {
    background-color: #4b5563;
    border-color: #6b7280;
    color: #f9fafb;
}

.dark input:focus, .dark textarea:focus, .dark select:focus {
    border-color: #8B5CF6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.delay-02s {
    animation-delay: 0.2s;
}

.delay-04s {
    animation-delay: 0.4s;
}