/* Custom CSS for animations and effects that Tailwind can't handle */
@keyframes gradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.animate-gradient {
    background-size: 200% auto;
    animation: gradient 8s ease infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.particle {
    animation: float 20s infinite ease-in-out;
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
}

/* Glassmorphism enhancements */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark .glass {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #3b82f6;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2563eb;
}

.dark ::-webkit-scrollbar-track {
    background: #0f172a;
}

.dark ::-webkit-scrollbar-thumb {
    background: #60a5fa;
}

/* Smooth transitions for dark mode */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Calculator input enhancements */
input[type="number"], input[type="text"], input[type="email"], select, textarea {
    transition: all 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Dark mode toggle animation */
.dark-mode-toggle {
    position: relative;
    width: 60px;
    height: 30px;
    background: #e2e8f0;
    border-radius: 15px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.dark-mode-toggle.active {
    background: #3b82f6;
}

.dark-mode-toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.dark-mode-toggle.active::after {
    transform: translateX(30px);
}

/* Hover effects for cards */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Loading spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

.dark .spinner {
    border: 3px solid #1e293b;
    border-top: 3px solid #60a5fa;
}

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