:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 40%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #818cf8, #c084fc, #f472b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.main-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Selector Panel */
.selector-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input[type="date"] {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 1rem;
    border-radius: 12px;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

input[type="date"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.weather-info {
    margin-top: 1rem;
    text-align: center;
}

.weather-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.weather-temp {
    font-size: 3rem;
    font-weight: 700;
}

.weather-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Recommendations */
.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, min-minmax(300px, 1fr));
    gap: 1.5rem;
}

.food-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
    transition: var(--transition);
}

.food-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.food-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--glass-border);
}

.food-content {
    padding: 1.5rem;
    flex-grow: 1;
}

.food-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.food-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.food-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2.5rem;
    }
}