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

:root {
    --font-sans: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
}

body {
    font-family: var(--font-sans);
    -webkit-tap-highlight-color: transparent;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.3s ease-out forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* Transitions */
.transition-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Modal */
.modal-backdrop {
    transition: opacity 0.3s ease-out;
    opacity: 0;
    pointer-events: none;
}
.modal-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-panel {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(10px) scale(0.95);
}
.modal-panel.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Toast */
.toast {
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.show {
    transform: translateX(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Mobile Menu Transition */
#mobile-menu {
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
    transform-origin: top;
}
#mobile-menu.hidden-menu {
    display: none;
}

/* Input reset */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}