/* modern-style.css - Stili principali per il layout moderno */

/* ===== CSS VARIABLES ===== */
:root {
       /* Colori originali del progetto */
    --primary-color: rgb(21, 65, 135); /* Colore principale - LaPelle blue */
    --primary-color-rgb: 21, 65, 135;
    --secondary-color: cadetblue; /* Colore secondario - AFL */
  
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-light: #718096;
    
    --bg-light: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-overlay: rgba(0, 0, 0, 0.05);
    
    --border-color: #e2e8f0;
    --border-radius: 12px;
    --border-radius-small: 8px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== BASE STYLES ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== BACKGROUND CONTAINER ===== */
.bg-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.bg-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0.1;
    z-index: -2;
}

.bg-container::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="%23000" opacity="0.03"/><circle cx="80" cy="40" r="1" fill="%23000" opacity="0.03"/><circle cx="40" cy="80" r="1" fill="%23000" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    z-index: -1;
}

/* ===== NAVIGATION MODERNE ===== */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: sticky !important;
    top: 0;
    z-index: 1050 !important; /* Bootstrap navbar z-index + extra */
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--text-primary) !important;
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-small);
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
    width: 80%;
}

.navbar-nav .nav-link:hover {
    background: var(--bg-overlay);
    transform: translateY(-1px);
}

/* Dropdown moderne */
.dropdown-menu {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    z-index: 9999 !important; /* Fix per dropdown nascosti */
    position: absolute !important;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateX(4px);
}

/* ===== CARDS MODERNE ===== */
.card {
    border: none;
    border-radius: var(--border-radius);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
    z-index: 1; /* Assicura che le cards non interferiscano con i dropdown */
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: var(--primary-gradient);
    border: none;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
    color: white;
    margin: 0;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.card-body {
    padding: 2rem;
}

/* ===== BUTTONS MODERNI ===== */
.btn {
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    border: none;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

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

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

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

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

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

.btn-outline-primary {
    background: transparent;
    border: 2px solid transparent;
    background-clip: padding-box;
    color: var(--text-primary);
    position: relative;
}

.btn-outline-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius);
    padding: 2px;
    background: var(--primary-gradient);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
}

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

/* ===== FORMS MODERNI ===== */
.form-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-small);
    padding: 0.875rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.form-control:focus,
.form-select:focus {
    border-color: transparent;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
    position: relative;
}

.form-control:focus::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius-small);
    border: 2px solid transparent;
    background: var(--primary-gradient) border-box;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
}

.form-floating .form-control {
    padding: 1rem 1rem 0.25rem;
}

.form-floating label {
    padding: 1rem;
    color: var(--text-light);
}

/* ===== TABLES MODERNI ===== */
.table {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--bg-overlay);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem;
    border-color: var(--border-color);
    vertical-align: middle;
}

/* ===== ALERTS MODERNI ===== */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

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

.alert-success {
    background: var(--success-gradient);
    color: white;
}

.alert-info {
    background: var(--primary-gradient);
    color: white;
}

.alert-warning {
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    color: white;
}

/* ===== FOOTER MODERNE ===== */
footer {
    background: rgba(45, 55, 72, 0.95) !important;
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    text-decoration: none;
}

footer a:hover {
    color: white;
    text-decoration: underline;
}

/* ===== UTILITIES ===== */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-fade-in-scale {
    animation: fadeInScale 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESPONSIVE IMPROVEMENTS ===== */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .btn {
        padding: 1rem 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --text-light: #a0aec0;
        --bg-light: #1a202c;
        --bg-card: rgba(45, 55, 72, 0.95);
        --border-color: #4a5568;
    }
    
    .navbar {
        background: rgba(45, 55, 72, 0.95) !important;
    }
    
    .table {
        color: var(--text-primary);
    }
}