@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-primary: #111512; /* Nero-verde foresta calmo, scuro e riposante */
    --bg-secondary: #171d19; /* Verde salvia scurissimo */
    --bg-surface: #222a24; /* Verde foresta scuro per schede e pannelli */
    --bg-glass: rgba(23, 29, 25, 0.82);
    --border-color: rgba(255, 255, 255, 0.07);
    --border-focus: #22c55e;
    
    --text-primary: #f1f4f2; /* Off-white caldo riposante */
    --text-secondary: #a3b2a6; /* Salvia morbido */
    --text-muted: #6e7a70; /* Verde grigiastro spento */
    
    --accent-green: #22c55e; /* Verde brillante del logo (natura, contro lo spreco) */
    --accent-green-bg: rgba(34, 197, 94, 0.15);
    --accent-orange: #f59e0b; /* Arancio caldo per gli avvisi di scadenza */
    --accent-orange-bg: rgba(245, 158, 11, 0.15);
    --accent-red: #f87171; /* Rosso corallo morbido per i lotti scaduti */
    --accent-red-bg: rgba(248, 113, 113, 0.15);
    --accent-blue: #10b981; /* Verde smeraldo secondario per la logistica */
    --accent-blue-bg: rgba(16, 185, 129, 0.15);
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-title: 'Outfit', sans-serif;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.55);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
}

/* Reset & Global */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(34, 197, 94, 0.06) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(217, 119, 6, 0.04) 0px, transparent 50%);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-surface);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 600;
    letter-spacing: -0.02em;
}

a {
    color: var(--accent-green);
    text-decoration: none;
    transition: var(--transition-fast);
}
a:hover {
    filter: brightness(1.2);
}

/* Glassmorphism Panel Utility */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
}

/* App Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.brand span {
    color: var(--accent-green);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-btn:hover, .nav-btn.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-surface);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.user-role-tag {
    background: var(--accent-green-bg);
    color: var(--accent-green);
    padding: 0.15rem 0.5rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.logout-btn {
    background: var(--accent-red-bg);
    color: var(--accent-red);
    border: 1px solid rgba(244, 63, 94, 0.2);
    cursor: pointer;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition-fast);
}
.logout-btn:hover {
    background: var(--accent-red);
    color: white;
}

/* Main Container */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* Authentication Screen */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
    padding: 1rem;
}

.auth-card {
    width: 100%;
    max-width: 480px;
    padding: 2.5rem;
}

.auth-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    text-align: center;
    color: var(--text-primary);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

input, select, textarea {
    width: 100%;
    background: rgba(11, 15, 25, 0.5);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.btn {
    width: 100%;
    background: var(--accent-green);
    color: #0b0f19;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    background: #0d9668;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: var(--text-muted);
    box-shadow: none;
}

.btn-danger {
    background: var(--accent-red-bg);
    color: var(--accent-red);
    border: 1px solid rgba(244, 63, 94, 0.2);
}
.btn-danger:hover {
    background: var(--accent-red);
    color: white;
    box-shadow: 0 4px 12px rgba(244, 63, 94, 0.3);
}

.auth-toggle {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-toggle span {
    color: var(--accent-green);
    cursor: pointer;
    font-weight: 600;
}

/* Dashboard Statistics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 120px;
}

.stat-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stat-value {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.5rem;
}

.stat-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Dashboard Content Sections */
.dashboard-section {
    display: none;
}
.dashboard-section.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.75rem;
    color: var(--text-primary);
}

/* Cards & Lists */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.lot-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.lot-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-lg);
}

.lot-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.lot-title {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 600;
}

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 50px;
    text-transform: uppercase;
}

.badge-active {
    background: var(--accent-green-bg);
    color: var(--accent-green);
}
.badge-expiring_soon {
    background: var(--accent-orange-bg);
    color: var(--accent-orange);
}
.badge-expired {
    background: var(--accent-red-bg);
    color: var(--accent-red);
}
.badge-sold {
    background: var(--accent-blue-bg);
    color: var(--accent-blue);
}

.badge-pending {
    background: var(--accent-orange-bg);
    color: var(--accent-orange);
}
.badge-confirmed {
    background: var(--accent-blue-bg);
    color: var(--accent-blue);
}
.badge-delivered {
    background: var(--accent-green-bg);
    color: var(--accent-green);
}
.badge-cancelled {
    background: var(--accent-red-bg);
    color: var(--accent-red);
}

.lot-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-grow: 1;
    margin-bottom: 1.25rem;
}

.lot-details p {
    margin-bottom: 0.4rem;
}

.lot-details strong {
    color: var(--text-primary);
}

.lot-price-tag {
    font-family: var(--font-title);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-green);
}

.lot-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
}

/* Distance Indicator */
.distance-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/* Cart Float button & Cart sidebar */
.cart-indicator {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 99;
}

.cart-float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-green);
    color: #0b0f19;
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.cart-float-btn:hover {
    transform: scale(1.08);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-red);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid var(--bg-primary);
}

/* Modals */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    width: 100%;
    max-width: 640px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    animation: zoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    width: 100%;
    margin-bottom: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.02);
}

tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

/* Cart Item / Row Styling */
.cart-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
}

.cart-item-info {
    flex-grow: 1;
}

.cart-item-name {
    font-weight: 600;
    font-size: 1rem;
}

.cart-item-gdo {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cart-item-price {
    color: var(--accent-green);
    font-weight: 600;
}

.quantity-controller {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
}

.qty-btn:hover {
    background: var(--text-muted);
}

.qty-input {
    width: 60px;
    text-align: center;
    padding: 0.25rem;
}

/* Expiry Rules (Admin) */
.threshold-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.threshold-card {
    padding: 1.5rem;
}

.threshold-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.threshold-days {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-orange);
    font-family: var(--font-title);
}

/* AI Recipe Section */
.recipe-wizard {
    padding: 2rem;
    margin-bottom: 2rem;
}

.wizard-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.wizard-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.recipe-output {
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(16, 185, 129, 0.02);
    border-left: 4px solid var(--accent-green);
}

.recipe-title {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.recipe-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 1rem 0 1.5rem 0;
}

.recipe-meta-item {
    background: rgba(255, 255, 255, 0.02);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.recipe-nutrition-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    margin: 1rem 0;
}

.nutrition-cell {
    background: var(--bg-surface);
    padding: 0.5rem;
    text-align: center;
    border-radius: 4px;
    font-size: 0.85rem;
}

.nutrition-label {
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
}

.instructions-box {
    white-space: pre-wrap;
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-top: 1rem;
    font-size: 0.95rem;
}

.filters-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.filters-wrapper select, .filters-wrapper input {
    width: auto;
    min-width: 180px;
}

/* Feedback messages */
.alert-toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    color: white;
    z-index: 2000;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.toast-success {
    background: var(--accent-green);
    color: #0b0f19;
}

.toast-error {
    background: var(--accent-red);
}

/* Home / Welcome screen logo animations */
.brand-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-green);
    border-radius: 8px;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.brand-icon::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 18px;
    border: solid #0b0f19;
    border-width: 0 4px 4px 0;
    left: 11px;
    top: 4px;
    transform: rotate(45deg);
}

/* Grid Layout for detail items */
.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media(max-width: 768px) {
    .details-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .form-group.row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .recipe-nutrition-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}