/* ===== VARIABILI MODERNE ===== */
:root {
    --primary-color: #1a365d;
    --secondary-color: #2d5aa0;
    --accent-color: #4299e1;
    --success-color: #38a169;
    --warning-color: #ed8936;
    --danger-color: #e53e3e;
    --light-color: #f7fafc;
    --dark-color: #2d3748;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-400: #cbd5e0;
    --gray-500: #a0aec0;
    --gray-600: #718096;
    --gray-700: #4a5568;
    --gray-800: #2d3748;
    --gray-900: #1a202c;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --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);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    --transition-base: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== TIPOGRAFIA MIGLIORATA ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
    margin-bottom: 0.75em;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-700);
}

/* ===== HEADER E NAVIGAZIONE MIGLIORATA ===== */
header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(26, 54, 93, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    gap: 2rem;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: var(--transition-base);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo-img:hover {
    transform: scale(1.05);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

nav ul li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

nav ul li a:hover::before {
    left: 100%;
}

nav ul li a:hover,
nav ul li a.active {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

nav ul li a.active {
    background: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info span {
    font-weight: 500;
}

.user-role {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-logout {
    background: linear-gradient(135deg, var(--danger-color), #c53030);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

/* ===== DASHBOARD GRID MODERNA ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.dashboard-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

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

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.dashboard-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-card h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    color: var(--gray-600);
}

.dashboard-card .count {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 1rem 0;
    background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-card p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* ===== CARD MODERNE ===== */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-800);
}

.card-body {
    padding: 1.5rem;
}

/* ===== TABELLE MIGLIORATE ===== */
.table-responsive {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.compact-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.compact-table thead {
    background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
}

.compact-table th {
    padding: 1rem 1.25rem;
    text-align: left;
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
    border-bottom: 2px solid var(--gray-700);
}

.compact-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

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

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

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

/* ===== BADGE MODERNI ===== */
.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.6875rem;
}

.bg-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
}

.bg-success {
    background: linear-gradient(135deg, var(--success-color), #48bb78);
    color: white;
}

.bg-warning {
    background: linear-gradient(135deg, var(--warning-color), #ed8936);
    color: white;
}

.bg-danger {
    background: linear-gradient(135deg, var(--danger-color), #c53030);
    color: white;
}

/* ===== BOTTONI MODERNI ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }

    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
}

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

.btn-outline-primary {
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.btn-outline-primary:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

/* ===== FORM STYLES ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition-base);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.15);
}

/* ===== LOGIN PAGE AGGIORNATA ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(56, 189, 248, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
}

.login-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.organization-header {
    text-align: center;
    margin-bottom: 2rem;
}

.organization-logo {
    margin-bottom: 1rem;
}

.organization-name h2 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.organization-name p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h3 {
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

/* ===== ALERT MODERNI ===== */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-danger {
    background: linear-gradient(135deg, #fff5f5, #fed7d7);
    border-left-color: var(--danger-color);
    color: #9b2c2c;
}

.alert-success {
    background: linear-gradient(135deg, #f0fff4, #c6f6d5);
    border-left-color: var(--success-color);
    color: #276749;
}

/* ===== ANIMAZIONI DINAMICHE ===== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.dashboard-card:hover i {
    animation: float 2s ease-in-out infinite;
}

/* ===== LOADING STATES ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-300);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s linear infinite;
}

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

/* ===== UTILITY CLASSES ===== */
.text-muted {
    color: var(--gray-600) !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.mb-2 {
    margin-bottom: 0.5rem !important;
}

.me-2 {
    margin-right: 0.5rem !important;
}

.ms-2 {
    margin-left: 0.5rem !important;
}

.w-100 {
    width: 100% !important;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.row>[class*="col-"] {
    padding: 0 0.75rem;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col-md-3,
.col-6 {
    flex: 0 0 25%;
    max-width: 25%;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        width: 100%;
    }

    nav ul li a {
        justify-content: center;
        padding: 0.75rem;
    }

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

    .col-md-6,
    .col-md-3,
    .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .login-form {
        padding: 2rem;
        margin: 1rem;
    }

    .card-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .dashboard-card {
        padding: 1.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    .login-form {
        padding: 1.5rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }
}

/* ===== SCROLLBAR PERSONALIZZATA ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--gray-400), var(--gray-500));
    border-radius: var(--radius-lg);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--gray-500), var(--gray-600));
}

/* ===== STATI VUOTI ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-500);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 0;
}

/* ===== ELEMENTI DINAMICI ===== */
.event-info {
    display: flex;
    flex-direction: column;
}

.event-title {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.event-note {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.event-date {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.event-code {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-weight: 600;
    color: var(--secondary-color);
    background: var(--gray-100);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-2px);
}

/* ===== GRADIENTS E SHADOWS ===== */
.gradient-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

.gradient-success {
    background: linear-gradient(135deg, var(--success-color), #48bb78);
}

.gradient-warning {
    background: linear-gradient(135deg, var(--warning-color), #ed8936);
}

.gradient-danger {
    background: linear-gradient(135deg, var(--danger-color), #c53030);
}

/* ===== TRANSITIONS ===== */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.slide-in-up {
    animation: slideInUp 0.3s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== TABS MIGLIORATE ===== */
.tabs {
    margin-bottom: 2rem;
}

.tab-nav {
    display: flex;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--gray-200);
}

.tab-nav button {
    flex: 1;
    background: transparent;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition-base);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.tab-nav button:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.tab-nav button.active {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    box-shadow: var(--shadow-md);
}

.tab-nav button.active::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--secondary-color);
}

.tab-nav .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    min-width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Badge nei tab */
.tab-nav button .badge.bg-primary {
    background: linear-gradient(135deg, var(--accent-color), #63b3ed) !important;
}

.tab-nav button .badge.bg-warning {
    background: linear-gradient(135deg, var(--warning-color), #ed8936) !important;
}

.tab-nav button.active .badge {
    background: rgba(255, 255, 255, 0.3) !important;
    color: white !important;
}