/* 
 * Meal Planner App - Modern CSS Styles (2025)
 * Mobile-first design with iOS-friendly patterns and modern aesthetics
 */

/* CSS Custom Properties for Modern Design System */
:root {
    /* Primary Colors with Modern Gradients */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --accent-gradient: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    
    /* Glass Morphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Modern Shadows */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 15px 35px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing for Touch Targets */
    --touch-target: 44px;
    --border-radius-small: 12px;
    --border-radius-medium: 16px;
    --border-radius-large: 24px;
}

/* Global Styles */
body {
    font-family: var(--font-primary);
    color: #1a1a1a;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (max-width: 768px) {
    body {
        padding-bottom: 80px;
    }
}

/* Modern Navigation Styles */
.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
    color: #343a40;
}

.navbar-nav .nav-link {
    font-weight: var(--font-weight-medium);
    color: #343a40 !important;
    padding: 0.75rem 1rem !important;
    border-radius: var(--border-radius-small);
    transition: all 0.3s ease;
    margin: 0 0.25rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background: rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

/* Mobile Bottom Navigation (iOS Style) */
@media (max-width: 768px) {
    .navbar {
        position: fixed;
        bottom: 0;
        top: auto;
        width: 100%;
        z-index: 1000;
        border-radius: var(--border-radius-large) var(--border-radius-large) 0 0;
        border-bottom: none;
        border-top: 1px solid var(--glass-border);
        padding: 0.5rem 0;
    }
    
    .navbar-collapse {
        justify-content: center;
    }
    
    .navbar-nav {
        flex-direction: row;
        justify-content: space-around;
        width: 100%;
    }
    
    .navbar-nav .nav-item {
        text-align: center;
        flex: 1;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.75rem;
        padding: 0.5rem 0.25rem !important;
        display: flex;
        flex-direction: column;
        align-items: center;
        min-height: var(--touch-target);
        color: #343a40 !important;
    }
    
    .navbar-brand {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        font-size: 1.2rem;
    }
    
    .navbar-toggler {
        display: none;
    }
    
    /* Bottom padding handled in global body rule */
}

/* Card Styles */
.card {
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.card-img-top {
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
    height: 200px;
    object-fit: cover;
}

.card-title {
    font-weight: 600;
    color: #343a40;
}

/* Button Styles */
.btn {
    border-radius: 0.25rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

/* Home Page */
.display-4 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.2rem;
    color: #6c757d;
}

/* Menu Page */
.category-card {
    height: 100%;
}

/* Recipe Detail Page */
.ingredients-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.ingredients-list li:last-child {
    border-bottom: none;
}

/* Meal Plan Page */
.table th {
    background-color: #f8f9fa;
}

.table-bordered th, .table-bordered td {
    border-color: #dee2e6;
}

.grocery-list .form-check-label {
    transition: all 0.3s ease;
}

/* Print styles */
@media print {
    .navbar, .btn, footer, form {
        display: none !important;
    }
    
    .container {
        width: 100%;
        max-width: 100%;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    .card-header {
        background-color: #f8f9fa !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .table th {
        background-color: #f8f9fa !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}