:root {
    --primary: #10B981;
    --primary-light: #D1FAE5;
    --primary-dark: #047857;
    --secondary: #3B82F6;
    --secondary-light: #DBEAFE;
    --secondary-dark: #1D4ED8;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f9fafb;
    color: #1F2937;
}

.bg-pattern {
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2310b981' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.nutrition-label {
    border: 2px solid #333;
    padding: 10px;
    font-family: 'Arial', sans-serif;
    background-color: white;
}

.nutrition-label h2 {
    font-size: 2rem;
    font-weight: 900;
    border-bottom: 8px solid #333;
    padding-bottom: 5px;
}

.nutrition-label .thick-line {
    border-top: 4px solid #333;
    margin: 5px 0;
}

.nutrition-label .thin-line {
    border-top: 1px solid #333;
    margin: 3px 0;
}

.shake-animation {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease-in forwards;
}

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

.slide-in {
    transform: translateY(30px);
    opacity: 0;
    animation: slideIn 0.8s ease-out forwards;
}

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

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.recipe-icon {
    width: 28px;
    height: 28px;
    display: inline-block;
    vertical-align: middle;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2310B981'%3E%3Cpath d='M15 5.1L9 3 3 5.1v16.5h12V5.1zm-1 16H4V6.2l5-1.7 5 1.7v14.9zM21 1l-6 2.1v16.5h6V1zm-1 16h-4V4l4-1.4V17z'/%3E%3C/svg%3E");
    margin-right: 5px;
}

/* Glass effect */
.glass {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.17);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Button animations */
.btn-primary {
    background-color: var(--primary);
    color: white;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%) scale(0);
    border-radius: 50%;
    transition: transform 0.5s;
}

.btn-primary:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

/* Nutrition calculator icon */
.calculator-icon {
    display: inline-block;
    vertical-align: middle;
    width: 30px;
    height: 30px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2310B981'%3E%3Cpath d='M7 2h10a2 2 0 012 2v16a2 2 0 01-2 2H7a2 2 0 01-2-2V4a2 2 0 012-2zm0 2v4h10V4H7zm0 6v2h2v-2H7zm4 0v2h2v-2h-2zm4 0v2h2v-2h-2zm-8 4v2h2v-2H7zm4 0v2h2v-2h-2zm4 0v2h2v-2h-2zm-8 4v2h2v-2H7zm4 0v2h2v-2h-2zm4 0v2h2v-2h-2z'/%3E%3C/svg%3E");
}

/* Progress bar animation */
.progress-bar {
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    width: 0%;
    transition: width 2s ease-out;
}

.progress-bar.animate {
    width: 100%;
}