/**
 * Sistema Gestionale - Dashboard Custom Styles
 * Design System: Professionale, Pulito, User-Friendly
 */

/* ============================================================================
   CSS Variables - Design Tokens
   ============================================================================ */
:root {
    /* Colori Primari - Modern Blue Palette */
    --primary-color: #1e293b;
    --primary-light: #334155;
    --primary-dark: #0f172a;

    /* Colori Secondari - Vibrant Gradients */
    --secondary-color: #3b82f6;
    --secondary-light: #60a5fa;
    --secondary-dark: #2563eb;

    /* Accent Colors */
    --accent-color: #8b5cf6;
    --accent-light: #a78bfa;
    --accent-pink: #ec4899;
    --accent-cyan: #06b6d4;

    /* Colori Neutri */
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-sidebar: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #ffffff;
    --border-color: #e2e8f0;

    /* Module Colors */
    --module-amministrazione: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --module-magazzino: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --module-presenze: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --module-rendicontazione: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    --module-produzione: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --module-iot: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --module-video: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --module-ai: linear-gradient(135deg, #ec4899 0%, #db2777 100%);

    /* Colori di Stato */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;

    /* Ombre - Enhanced */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Transizioni */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   Reset e Base Styles
   ============================================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    background-image:
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.08) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
    color: var(--text-primary);
    line-height: 1.6;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(59, 130, 246, 0.03) 2px, rgba(59, 130, 246, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(59, 130, 246, 0.03) 2px, rgba(59, 130, 246, 0.03) 4px);
    pointer-events: none;
    z-index: 0;
}

html {
    scroll-behavior: smooth;
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* ============================================================================
   Layout - Sidebar
   ============================================================================ */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Disable transitions on initial load */
.dashboard-container.no-transition .sidebar,
.dashboard-container.no-transition .main-content {
    transition: none !important;
}

.sidebar {
    width: 240px;
    background: var(--bg-sidebar);
    color: var(--text-light);
    padding: var(--spacing-md);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow-2xl);
    z-index: 1000;
    transition: width var(--transition-normal), padding var(--transition-normal);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* --- Collapsed Sidebar --- */
.sidebar-collapsed .sidebar {
    width: 64px;
    padding: var(--spacing-sm);
}

.sidebar-collapsed .sidebar-brand-text,
.sidebar-collapsed .user-details,
.sidebar-collapsed .nav-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
    white-space: nowrap;
    transition: opacity 150ms ease, width 150ms ease;
}

.sidebar-collapsed .sidebar-brand {
    justify-content: center;
}

.sidebar-collapsed .sidebar-header {
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.sidebar-collapsed .sidebar-user {
    padding: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.sidebar-collapsed .sidebar-user .user-avatar {
    margin: 0 auto;
}

.sidebar-collapsed .nav-link {
    justify-content: center;
    padding: var(--spacing-sm);
}

.sidebar-collapsed .nav-link .nav-icon {
    width: auto;
    font-size: 1.1rem;
}

.sidebar-collapsed .sidebar-collapse-btn i {
    transform: rotate(180deg);
}

.sidebar-collapsed .main-content {
    margin-left: 64px;
}

/* --- Sidebar Elements --- */
.sidebar-header {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: var(--spacing-md);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    text-decoration: none;
}

.sidebar-brand:hover {
    color: var(--text-light);
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.sidebar-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.sidebar-brand-text {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    transition: opacity var(--transition-fast), width var(--transition-fast);
}

.sidebar-brand-balz {
    color: var(--secondary-light);
}

.sidebar-brand-os {
    color: var(--accent-light);
}

.sidebar-user {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    transition: padding var(--transition-normal);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    display: block;
}

.user-role {
    font-size: 0.75rem;
    opacity: 0.7;
}

.sidebar nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.nav-item {
    margin-bottom: var(--spacing-xs);
}

.nav-link,
.nav-link-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
}

.nav-link:hover,
.nav-link-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-light);
}

.nav-link.active {
    background: rgba(59, 130, 246, 0.25);
    color: var(--text-light);
    font-weight: 600;
}

.nav-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.nav-label {
    transition: opacity var(--transition-fast), width var(--transition-fast);
}

.nav-item-bottom {
    margin-top: auto;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Sidebar Collapse Button */
.sidebar-collapse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

.sidebar-collapse-btn i {
    transition: transform var(--transition-normal);
}

/* ============================================================================
   Main Content Area
   ============================================================================ */
.main-content {
    flex: 1;
    margin-left: 240px;
    padding: var(--spacing-lg) var(--spacing-xl);
    min-height: 100vh;
    position: relative;
    z-index: 1;
    transition: margin-left var(--transition-normal);
}

/* ============================================================================
   Brand Header - BalzOS Dashboard
   ============================================================================ */
.brand-header {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.brand-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color), var(--accent-pink));
    background-size: 200% 100%;
    animation: gradientShift 6s ease infinite;
}

.brand-header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.brand-logo-container {
    position: relative;
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.brand-logo-img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
}

/* Version badge */
.brand-version-badge {
    display: flex;
    align-items: center;
    padding: 4px 10px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'Inter', monospace;
    letter-spacing: 0.5px;
}

.version-label {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-text {
    flex: 1;
}

.brand-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 6px;
    line-height: 1.2;
}

.brand-balz {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-os {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-separator {
    color: var(--border-color);
    font-weight: 200;
    font-size: 1.2rem;
}

.brand-dash {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1rem;
}

.brand-welcome {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 2px 0 0 0;
}

.brand-welcome i {
    color: var(--secondary-color);
    font-size: 0.85rem;
}

.brand-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.brand-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    color: var(--success-color);
    font-size: 0.75rem;
    font-weight: 600;
}

.brand-badge i {
    font-size: 0.8rem;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes electric {
    0%, 100% {
        transform: scale(1);
        filter: brightness(1);
    }
    50% {
        transform: scale(1.1);
        filter: brightness(1.3);
    }
}

@keyframes badgePulseGreen {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
}

/* Old page header styles (keep for compatibility) */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

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

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.stat-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px) scale(1.03);
    border-color: rgba(59, 130, 246, 0.3);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.stat-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    position: relative;
    transition: all var(--transition-normal);
}

.stat-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    opacity: 0.2;
    filter: blur(12px);
    transition: all var(--transition-normal);
}

.stat-icon.primary {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    color: var(--secondary-color);
}

.stat-icon.primary::before {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

.stat-icon.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15));
    color: var(--success-color);
}

.stat-icon.success::before {
    background: linear-gradient(135deg, #10b981, #059669);
}

.stat-icon.danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.15));
    color: var(--danger-color);
}

.stat-icon.danger::before {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.stat-icon.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.15));
    color: var(--warning-color);
}

.stat-icon.warning::before {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.stat-icon.info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.15));
    color: var(--info-color);
}

.stat-icon.info::before {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.stat-card:hover .stat-icon {
    transform: scale(1.15) rotate(5deg);
}

.stat-card:hover .stat-icon::before {
    opacity: 0.4;
    filter: blur(16px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============================================================================
   Module Cards
   ============================================================================ */
.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: var(--spacing-xs);
}

/* Collapsible Section Header */
.collapsible-header {
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast);
}

.collapsible-header:hover {
    opacity: 0.8;
}

.collapse-icon {
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: transform var(--transition-normal);
    margin-left: auto;
}

.collapsible-header[aria-expanded="true"] .collapse-icon {
    transform: rotate(180deg);
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.module-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.module-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.module-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.3);
}

.module-card:hover::before {
    transform: scaleX(1);
}

.module-card:hover .module-glow {
    opacity: 1;
}

/* Module-specific colors */
.module-amministrazione::before {
    background: var(--module-amministrazione);
}
.module-amministrazione:hover {
    border-color: rgba(16, 185, 129, 0.4);
}

.module-magazzino::before {
    background: var(--module-magazzino);
}
.module-magazzino:hover {
    border-color: rgba(245, 158, 11, 0.4);
}

.module-presenze::before {
    background: var(--module-presenze);
}
.module-presenze:hover {
    border-color: rgba(59, 130, 246, 0.4);
}

.module-rendicontazione::before {
    background: var(--module-rendicontazione);
}
.module-rendicontazione:hover {
    border-color: rgba(139, 92, 246, 0.4);
}

.module-produzione::before {
    background: var(--module-produzione);
}
.module-produzione:hover {
    border-color: rgba(239, 68, 68, 0.4);
}

.module-iot::before {
    background: var(--module-iot);
}
.module-iot:hover {
    border-color: rgba(6, 182, 212, 0.4);
}

.module-video::before {
    background: var(--module-video);
}
.module-video:hover {
    border-color: rgba(99, 102, 241, 0.4);
}

.module-ai::before {
    background: var(--module-ai);
}
.module-ai:hover {
    border-color: rgba(236, 72, 153, 0.4);
}

.module-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.module-icon-container {
    position: relative;
    width: 52px;
    height: 52px;
    flex-shrink: 0;
}

.module-icon {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    box-shadow: 0 6px 18px rgba(59, 130, 246, 0.3);
    transition: all var(--transition-normal);
    z-index: 2;
}

.module-icon-bg {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    opacity: 0.15;
    filter: blur(14px);
    transform: scale(1.2);
    transition: all var(--transition-normal);
    z-index: 1;
}

.module-card:hover .module-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
}

.module-card:hover .module-icon-bg {
    transform: scale(1.4);
    opacity: 0.3;
}

/* Module-specific icon gradients */
.module-amministrazione .module-icon,
.module-amministrazione .module-icon-bg {
    background: var(--module-amministrazione);
}
.module-amministrazione .module-icon {
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}
.module-amministrazione:hover .module-icon {
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.5);
}

.module-magazzino .module-icon,
.module-magazzino .module-icon-bg {
    background: var(--module-magazzino);
}
.module-magazzino .module-icon {
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}
.module-magazzino:hover .module-icon {
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.5);
}

.module-presenze .module-icon,
.module-presenze .module-icon-bg {
    background: var(--module-presenze);
}
.module-presenze .module-icon {
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}
.module-presenze:hover .module-icon {
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.5);
}

.module-rendicontazione .module-icon,
.module-rendicontazione .module-icon-bg {
    background: var(--module-rendicontazione);
}
.module-rendicontazione .module-icon {
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}
.module-rendicontazione:hover .module-icon {
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.5);
}

.module-produzione .module-icon,
.module-produzione .module-icon-bg {
    background: var(--module-produzione);
}
.module-produzione .module-icon {
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
}
.module-produzione:hover .module-icon {
    box-shadow: 0 15px 40px rgba(239, 68, 68, 0.5);
}

.module-iot .module-icon,
.module-iot .module-icon-bg {
    background: var(--module-iot);
}
.module-iot .module-icon {
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
}
.module-iot:hover .module-icon {
    box-shadow: 0 15px 40px rgba(6, 182, 212, 0.5);
}

.module-video .module-icon,
.module-video .module-icon-bg {
    background: var(--module-video);
}
.module-video .module-icon {
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}
.module-video:hover .module-icon {
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

.module-ai .module-icon,
.module-ai .module-icon-bg {
    background: var(--module-ai);
}
.module-ai .module-icon {
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.3);
}
.module-ai:hover .module-icon {
    box-shadow: 0 15px 40px rgba(236, 72, 153, 0.5);
}

.module-info {
    flex: 1;
    min-width: 0;
}

.module-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
    letter-spacing: -0.01em;
    transition: color var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.module-card:hover .module-title {
    color: var(--secondary-color);
}

.module-description {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0;
    line-height: 1.5;
    font-weight: 400;
    transition: color var(--transition-fast);
    flex: 1;
}

.module-card:hover .module-description {
    color: var(--text-primary);
}

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

.module-version-bottom {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.module-status {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    transition: all var(--transition-fast);
}

.module-status.not-implemented {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(217, 119, 6, 0.12));
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #d97706;
}

.module-card:hover .module-status.not-implemented {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.18), rgba(217, 119, 6, 0.18));
    border-color: rgba(245, 158, 11, 0.5);
    transform: translateX(-2px);
}

.module-status.active,
.module-status.implemented {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(5, 150, 105, 0.12));
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success-color);
}

.module-card:hover .module-status.implemented {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.18), rgba(5, 150, 105, 0.18));
    border-color: rgba(16, 185, 129, 0.5);
    transform: translateX(-2px);
}

.module-status.inactive {
    background: rgba(149, 165, 166, 0.1);
    color: var(--text-secondary);
}

.status-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.2);
    }
}

.module-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-module {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: not-allowed;
    transition: all var(--transition-normal);
    background: linear-gradient(135deg, rgba(100, 116, 139, 0.08), rgba(71, 85, 105, 0.08));
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.2px;
    white-space: nowrap;
}

.btn-module::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-module:active::before {
    width: 300px;
    height: 300px;
}

.btn-module:not(:disabled),
.btn-module[href] {
    cursor: pointer;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    border-color: transparent;
    text-decoration: none;
}

.btn-module:not(:disabled):hover,
.btn-module[href]:hover {
    transform: translateX(4px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-module:not(:disabled):hover i,
.btn-module[href]:hover i {
    transform: translateX(4px);
}

.btn-module i {
    font-size: 1rem;
    transition: transform var(--transition-fast);
}

.btn-module:disabled {
    opacity: 0.6;
}

/* ============================================================================
   Mobile Menu
   ============================================================================ */
.mobile-menu-btn {
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1001;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

.mobile-menu-btn i {
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}

.mobile-menu-btn.active i {
    transform: rotate(90deg);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

/* Tablet Portrait */
@media (max-width: 1200px) {
    .modules-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Landscape & Tablet */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
        width: 240px;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: var(--shadow-2xl);
    }

    .sidebar-collapse-btn {
        display: none;
    }

    .main-content {
        margin-left: 0 !important;
        padding: var(--spacing-md);
        padding-top: 72px;
    }

    /* Brand Header Responsive */
    .brand-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .brand-header-content {
        width: 100%;
    }

    .brand-logo-container {
        width: 40px;
        height: 40px;
    }

    .brand-logo-img {
        width: 40px;
        height: 40px;
    }

    .brand-title {
        font-size: 1.2rem;
    }

    .brand-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .page-header {
        margin-bottom: var(--spacing-lg);
    }

    .page-title {
        font-size: 1.5rem;
    }

    .modules-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .module-card {
        padding: var(--spacing-md);
    }

    .module-icon-container {
        width: 48px;
        height: 48px;
    }

    .module-icon {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.25rem;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-sm);
        padding-top: 72px;
    }

    .brand-header {
        padding: var(--spacing-md);
    }

    .brand-logo-container {
        width: 36px;
        height: 36px;
    }

    .brand-logo-img {
        width: 36px;
        height: 36px;
    }

    .brand-title {
        font-size: 1.1rem;
    }

    .page-title {
        font-size: 1.25rem;
    }

    .page-subtitle {
        font-size: 0.875rem;
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .module-card {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .module-icon-container {
        width: 44px;
        height: 44px;
    }

    .module-icon {
        font-size: 1.15rem;
    }

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

    .sidebar {
        width: 280px;
    }

    .sidebar-brand {
        font-size: 1.25rem;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .nav-link:hover {
        transform: none; /* Disable transform on touch devices */
    }

    .module-card:hover {
        transform: translateY(-2px); /* Reduce hover effect on touch */
    }

    .stat-card:hover {
        transform: translateY(-1px);
    }
}

/* ============================================================================
   Animazioni
   ============================================================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.module-card,
.stat-card {
    animation: fadeIn var(--transition-normal) ease-out backwards;
}

.module-card:nth-child(1) { animation-delay: 0ms; }
.module-card:nth-child(2) { animation-delay: 50ms; }
.module-card:nth-child(3) { animation-delay: 100ms; }
.module-card:nth-child(4) { animation-delay: 150ms; }
.module-card:nth-child(5) { animation-delay: 200ms; }
.module-card:nth-child(6) { animation-delay: 250ms; }
.module-card:nth-child(7) { animation-delay: 300ms; }
.module-card:nth-child(8) { animation-delay: 350ms; }

/* ============================================================================
   Utility Classes & Micro-interactions
   ============================================================================ */

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-primary) 25%,
        var(--border-color) 50%,
        var(--bg-primary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Loading State */
.is-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.is-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--secondary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Bounce Animation for Icons */
.bounce-on-hover {
    display: inline-block;
    transition: transform var(--transition-fast);
}

.bounce-on-hover:hover {
    animation: bounce 0.6s;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

/* Shine Effect */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s;
}

.shine:hover::after {
    left: 100%;
}

/* Smooth Page Transitions */
.page-transition {
    animation: pageSlideIn 0.4s ease-out;
}

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

/* Tooltip Styles */
.tooltip-custom {
    position: relative;
}

.tooltip-custom::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 6px 12px;
    background: var(--primary-dark);
    color: white;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
    z-index: 1000;
}

.tooltip-custom::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--primary-dark);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
}

.tooltip-custom:hover::before,
.tooltip-custom:hover::after {
    opacity: 1;
}

/* Badge Pulse */
.badge-pulse {
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(52, 152, 219, 0);
    }
}