/* ============================================
   FOOD COST MANAGER - MODERN DESIGN SYSTEM
   ============================================ */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* === CSS CUSTOM PROPERTIES (Design Tokens) === */
:root {
    /* Palette Colori Moderna */
    --primary-50: #e3f2fd;
    --primary-100: #bbdefb;
    --primary-200: #90caf9;
    --primary-300: #64b5f6;
    --primary-400: #42a5f5;
    --primary-500: #2196f3;
    --primary-600: #1e88e5;
    --primary-700: #1976d2;
    --primary-800: #1565c0;
    --primary-900: #0d47a1;

    --secondary-50: #e8f5e9;
    --secondary-100: #c8e6c9;
    --secondary-500: #4caf50;
    --secondary-600: #43a047;
    --secondary-700: #388e3c;

    --danger-50: #ffebee;
    --danger-100: #ffcdd2;
    --danger-500: #f44336;
    --danger-600: #e53935;
    --danger-700: #d32f2f;

    --warning-50: #fff3e0;
    --warning-100: #ffe0b2;
    --warning-500: #ff9800;
    --warning-600: #fb8c00;

    --success-50: #e8f5e9;
    --success-500: #4caf50;
    --success-600: #43a047;

    /* Neutrals (Gray Scale) */
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;

    /* Semantic Colors */
    --color-primary: var(--primary-600);
    --color-primary-hover: var(--primary-700);
    --color-primary-light: var(--primary-50);

    --color-secondary: var(--secondary-500);
    --color-secondary-hover: var(--secondary-600);

    --color-danger: var(--danger-500);
    --color-danger-hover: var(--danger-600);

    --color-warning: var(--warning-500);
    --color-success: var(--success-500);

    --color-text: var(--gray-900);
    --color-text-secondary: var(--gray-600);
    --color-text-muted: var(--gray-500);

    --color-bg: var(--gray-50);
    --color-bg-secondary: #ffffff;
    --color-border: var(--gray-300);

    /* Typography Scale */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    --font-family-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Droid Sans Mono', 'Source Code Pro', monospace;

    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing Scale (basato su 4px) */
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;     /* 48px */
    --spacing-16: 4rem;     /* 64px */

    /* Border Radius */
    --radius-sm: 4px;
    --radius-base: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 500;
    --z-modal: 1000;
    --z-toast: 10000;

    /* Focus Ring */
    --focus-ring: 0 0 0 3px var(--primary-200);
}

/* === GLOBAL STYLES === */
body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === CONTAINER === */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-4);
    }
}

/* === NAVBAR === */
/* ============================================
   MODERN NAVBAR WITH DROPDOWN MENUS
   ============================================ */

.navbar {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #3b82f6 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

/* === BRAND/LOGO === */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: transform 0.2s;
}

.nav-brand:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 2rem;
    line-height: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.85;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* === HAMBURGER MENU (Mobile) === */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* === NAVIGATION MENU === */
.nav-menu-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.nav-icon {
    font-size: 1.1rem;
    line-height: 1;
}

.dropdown-arrow {
    font-size: 0.7rem;
    margin-left: 2px;
    transition: transform 0.2s;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* === DROPDOWN MENUS === */
.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    margin-top: 8px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-menu li {
    list-style: none;
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--gray-800);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.nav-dropdown-menu a:hover {
    background: var(--primary-50);
    color: var(--primary-700);
    transform: translateX(4px);
}

/* Admin-only menu item */
.nav-link-admin {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.nav-link-admin:hover {
    background: rgba(255, 107, 107, 0.25);
    border-color: rgba(255, 107, 107, 0.5);
}

/* === USER MENU === */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s;
}

.user-menu-trigger:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.user-avatar,
.user-avatar-large {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}

.user-avatar-large {
    width: 56px;
    height: 56px;
    font-size: 1.5rem;
}

.user-avatar.role-admin,
.user-avatar-large.role-admin {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2);
}

.user-avatar.role-manager,
.user-avatar-large.role-manager {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a199 100%);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.2);
}

.user-avatar.role-viewer,
.user-avatar-large.role-viewer {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
    box-shadow: 0 0 0 3px rgba(127, 140, 141, 0.2);
}

.user-info-compact {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name-compact {
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    line-height: 1.2;
}

.user-role-compact {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-menu-arrow {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
    margin-left: 4px;
}

/* === USER DROPDOWN === */
.user-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    background: white;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    min-width: 300px;
    overflow: hidden;
    animation: dropdownFadeIn 0.3s ease;
    z-index: 1001;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-dropdown-header {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    padding: 24px;
    display: flex;
    gap: 16px;
    align-items: center;
    color: white;
}

.user-dropdown-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.user-dropdown-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
}

.user-dropdown-email {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-role-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-top: 4px;
}

.user-role-badge.role-admin {
    background: rgba(255, 255, 255, 0.25);
    color: white;
}

.user-role-badge.role-manager {
    background: rgba(255, 255, 255, 0.25);
    color: white;
}

.user-role-badge.role-viewer {
    background: rgba(255, 255, 255, 0.25);
    color: white;
}

.user-dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 0;
}

.user-dropdown-menu {
    list-style: none;
    padding: 8px;
    margin: 0;
}

.user-dropdown-menu li {
    margin: 0;
}

.user-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-800);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.user-dropdown-menu a:hover {
    background: var(--gray-100);
    color: var(--primary-700);
    transform: translateX(4px);
}

.user-dropdown-menu .logout-link {
    color: var(--danger-600);
}

.user-dropdown-menu .logout-link:hover {
    background: var(--danger-50);
    color: var(--danger-700);
}

.dropdown-icon {
    font-size: 1.1rem;
}

/* === RESPONSIVE MOBILE === */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu-wrapper {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 280px;
        height: calc(100vh - 72px);
        background: white;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        overflow-y: auto;
        z-index: 999;
    }

    .nav-menu-wrapper.active {
        left: 0;
    }

    .nav-menu {
        flex-direction: column;
        gap: 4px;
        padding: 16px;
    }

    .nav-link {
        color: var(--gray-800);
        padding: 14px 16px;
        border-radius: 10px;
    }

    .nav-link:hover {
        background: var(--primary-50);
        color: var(--primary-700);
        transform: none;
    }

    .nav-link-admin {
        background: rgba(255, 107, 107, 0.1);
        color: var(--danger-700);
        border: 1px solid rgba(255, 107, 107, 0.2);
    }

    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        background: var(--gray-50);
        margin: 4px 0 8px 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-dropdown-menu.show {
        max-height: 400px;
    }

    .user-info-compact {
        display: none;
    }

    .user-menu-arrow {
        display: none;
    }

    .user-dropdown {
        position: fixed;
        top: 72px;
        right: 0;
        left: 0;
        border-radius: 0;
        max-width: 100%;
    }

    .logo-subtitle {
        display: none;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 64px;
    }

    .logo-title {
        font-size: 1rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    .user-avatar {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .user-menu-wrapper {
        top: 64px;
        height: calc(100vh - 64px);
    }
}

/* === MAIN CONTENT === */
main {
    padding: var(--spacing-8) 0;
    min-height: calc(100vh - 200px);
}

/* === PAGE HEADER === */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-8);
    padding-bottom: var(--spacing-6);
    border-bottom: 2px solid var(--gray-200);
}

.page-header h2 {
    color: var(--color-primary);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-1);
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
}

.header-actions {
    display: flex;
    gap: var(--spacing-3);
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        gap: var(--spacing-4);
    }

    .header-actions {
        width: 100%;
        flex-direction: column;
    }
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    box-shadow: var(--shadow-xs);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.btn:focus {
    outline: none;
    box-shadow: var(--focus-ring);
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
}

.btn-secondary {
    background: var(--color-secondary);
    color: white;
}

.btn-secondary:hover {
    background: var(--color-secondary-hover);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-danger:hover {
    background: var(--color-danger-hover);
}

.btn-small {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* === CARDS === */
.stat-card,
.action-card,
.ricetta-card {
    background: var(--color-bg-secondary);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.stat-card:hover,
.action-card:hover,
.ricetta-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.stat-card h3 {
    font-size: var(--font-size-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-weight-bold);
}

.stat-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
}

/* === GRIDS === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

.ricette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

.action-card {
    text-decoration: none;
    color: var(--color-text);
}

.action-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-lg);
}

/* === TABLES === */
table {
    width: 100%;
    background: var(--color-bg-secondary);
    border-collapse: collapse;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

thead {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-600) 100%);
    color: white;
}

th {
    padding: var(--spacing-4);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

td {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--gray-200);
}

tbody tr {
    transition: background var(--transition-fast);
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--gray-50);
}

.text-center {
    text-align: center;
}

/* === FORMS === */
.form-group {
    margin-bottom: var(--spacing-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    transition: all var(--transition-fast);
    background: var(--color-bg-secondary);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group small {
    display: block;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-1);
    font-size: var(--font-size-xs);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-actions {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
}

/* === MODAL === */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    animation: modalFadeIn var(--transition-base);
}

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

.modal-content {
    background: var(--color-bg-secondary);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideUp var(--transition-base);
}

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

.modal-content h3 {
    margin-bottom: var(--spacing-6);
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    border-bottom: 2px solid var(--primary-100);
    padding-bottom: var(--spacing-3);
}

/* Select scrollabile nel modal */
.modal-content select[size] {
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: var(--spacing-2);
    font-size: var(--font-size-sm);
    background: var(--gray-50);
    transition: all var(--transition-fast);
}

.modal-content select[size]:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: var(--focus-ring);
}

.modal-content select[size] option {
    padding: var(--spacing-3);
    border-radius: var(--radius-sm);
    margin: 2px 0;
}

.modal-content select[size] option:hover {
    background: var(--primary-50);
}

.modal-content select[size] option:checked {
    background: var(--color-primary) !important;
    color: white !important;
}

/* Input di ricerca nel modal */
.modal-content input[type="text"][placeholder*="Cerca"] {
    border: 2px solid var(--gray-300);
    padding: var(--spacing-3);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    background: white;
    transition: all var(--transition-fast);
}

.modal-content input[type="text"][placeholder*="Cerca"]:focus {
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
}

/* === BADGES === */
.badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.3px;
}

.badge-success {
    background: var(--success-50);
    color: var(--success-600);
}

.badge-warning {
    background: var(--warning-50);
    color: var(--warning-600);
}

/* === ALERTS === */
.alert {
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
    margin: var(--spacing-4) 0;
    border-left: 4px solid;
}

.alert-success {
    background: var(--success-50);
    color: var(--success-600);
    border-color: var(--success-500);
}

.alert-error {
    background: var(--danger-50);
    color: var(--danger-600);
    border-color: var(--danger-500);
}

.alert-info {
    background: var(--primary-50);
    color: var(--primary-700);
    border-color: var(--primary-500);
}

.alert-warning {
    background: var(--warning-50);
    color: var(--warning-600);
    border-color: var(--warning-500);
}

/* === TOAST NOTIFICATIONS === */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    max-width: 400px;
}

.toast {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    min-width: 300px;
    opacity: 0;
    transform: translateX(400px);
    transition: all var(--transition-base);
    border-left: 4px solid var(--color-primary);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-icon {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.toast-message {
    flex: 1;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.toast-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--gray-500);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--gray-900);
}

/* Toast types */
.toast-success {
    border-left-color: var(--success-500);
}

.toast-success .toast-icon {
    background: var(--success-50);
    color: var(--success-600);
}

.toast-error {
    border-left-color: var(--danger-500);
}

.toast-error .toast-icon {
    background: var(--danger-50);
    color: var(--danger-600);
}

.toast-warning {
    border-left-color: var(--warning-500);
}

.toast-warning .toast-icon {
    background: var(--warning-50);
    color: var(--warning-600);
}

.toast-info {
    border-left-color: var(--primary-500);
}

.toast-info .toast-icon {
    background: var(--primary-50);
    color: var(--primary-600);
}

@media (max-width: 768px) {
    .toast-container {
        right: var(--spacing-4);
        left: var(--spacing-4);
        max-width: none;
    }

    .toast {
        min-width: auto;
    }
}

/* === RICETTA DETTAGLIO === */
.ricetta-dettaglio {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.info-panel,
.costi-panel,
.section-panel {
    background: var(--color-bg-secondary);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.costi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.costo-item {
    text-align: center;
    padding: var(--spacing-5);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.costo-item label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

.costo-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-top: var(--spacing-2);
}

/* Food Cost Result */
.food-cost-result {
    margin-top: var(--spacing-6);
    padding: var(--spacing-6);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.food-cost-result h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-xl);
}

.progress-bar {
    width: 100%;
    height: 32px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-2);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-500), var(--warning-500));
    transition: width var(--transition-slow);
    border-radius: var(--radius-full);
}

.food-cost-info {
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
}

/* Ingredienti Section */
.ingredienti-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 2px solid var(--gray-200);
}

.section-header h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.ingredienti-table {
    margin-top: var(--spacing-4);
}

/* Link nelle tabelle */
.ingredienti-table td a {
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    display: inline-block;
}

.ingredienti-table td a:hover {
    text-decoration: underline;
    transform: translateX(3px);
}

/* Upload Section */
.upload-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.upload-tabs {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
    border-bottom: 2px solid var(--gray-200);
}

.tab-btn {
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    background: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    border-bottom: 3px solid transparent;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.tab-btn:hover {
    color: var(--color-primary);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.upload-tab-content {
    animation: fadeIn var(--transition-base);
}

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

/* Progress Container */
.progress-container .progress-bar {
    width: 100%;
    height: 40px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-2);
}

.progress-container .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    transition: width var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-bold);
}

/* Info Boxes */
.info-box {
    background: var(--primary-50);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-8);
    border-radius: var(--radius-md);
}

.info-box h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-xl);
}

.prodotti-non-collegati-section {
    background: var(--warning-50);
    border-left: 4px solid var(--color-warning);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-8);
    border-radius: var(--radius-md);
}

/* Categoria Section */
.categoria-section {
    margin-bottom: var(--spacing-8);
}

.categoria-section h4 {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-600) 100%);
    color: white;
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    margin-bottom: 0;
    font-size: var(--font-size-lg);
}

.categoria-section table {
    margin-top: 0;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Ingrediente Dettaglio */
.ingrediente-dettaglio {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    margin-top: var(--spacing-4);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.info-item label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item div {
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.prezzo-highlight {
    color: var(--color-primary) !important;
    font-weight: var(--font-weight-bold) !important;
    font-size: var(--font-size-2xl) !important;
}

/* Ricette Grid */
.ricette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

.ricetta-card-small {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-5);
    transition: all var(--transition-base);
    background: var(--color-bg-secondary);
}

.ricetta-card-small:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-300);
    transform: translateY(-2px);
}

.ricetta-card-small h4 {
    margin: 0 0 var(--spacing-2) 0;
    font-size: var(--font-size-lg);
}

.ricetta-card-small h4 a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.ricetta-card-small h4 a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.ricetta-codice {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin: var(--spacing-1) 0;
}

.ricetta-costo {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ricetta-costo small {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}

.ricetta-costo strong {
    color: var(--success-600);
    font-size: var(--font-size-lg);
}

/* Utility Classes */
.text-muted {
    color: var(--color-text-muted);
    font-style: italic;
}

/* Footer */
footer {
    background: var(--gray-900);
    color: white;
    text-align: center;
    padding: var(--spacing-8) 0;
    margin-top: var(--spacing-16);
    border-top: 4px solid var(--color-primary);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
    .ingrediente-dettaglio,
    .ricetta-dettaglio {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-8: 1.5rem;
        --spacing-10: 2rem;
        --spacing-12: 2.5rem;
    }

    .stats-grid,
    .actions-grid,
    .ricette-grid {
        grid-template-columns: 1fr;
    }

    .costi-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: var(--spacing-6);
    }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible (solo per navigazione da tastiera) */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* === PRINT STYLES === */
@media print {
    .navbar,
    .header-actions,
    .btn,
    footer {
        display: none !important;
    }

    .modal {
        display: none !important;
    }

    * {
        box-shadow: none !important;
    }
}