:root {
    /* Colori estratti dal logo TAP */
    --primary-color: #3e8fa1; /* Teal/Blue del logo */
    --primary-hover: #2f6f7d;
    --secondary-color: #f28920; /* Arancione del logo */
    --bg-color: #f8fafc; /* Sfondo chiaro molto pulito */
    --surface-color: #ffffff;
    --text-primary: #333333; /* Grigio scuro del testo "Tap" */
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --sidebar-width: 260px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.6);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 13px; /* Riduce la scala base (1rem = 13px) per rendere la UI più compatta al 100% di zoom */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 10;
    overflow-y: auto;
}

.brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 2rem;
    padding: 0 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand span {
    color: var(--text-primary);
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

.nav-item svg {
    margin-right: 0.75rem;
    width: 20px;
    height: 20px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem 3rem;
    min-width: 0;
    max-width: calc(100vw - var(--sidebar-width));
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--surface-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform 0.2s ease;
}

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

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

/* Cards (Glassmorphism) */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* Dashboard Stat Cards */
.stat-card {
    display: flex;
    flex-direction: column;
}
.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 0.5rem 0;
}
.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--surface-color);
    border-color: var(--text-secondary);
}

.btn-danger {
    background-color: #ef4444;
    color: white;
    box-shadow: 0 4px 6px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(239, 68, 68, 0.3);
}

.btn-secondary {
    background-color: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background-color: #e5e7eb;
    transform: translateY(-2px);
}

/* Table */
.table-container {
    width: 100%;
    overflow-x: auto;
}

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

.table th {
    padding: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
    display: inline-block;
    text-align: center;
}

.badge-blue { background: rgba(59, 130, 246, 0.1); color: var(--primary-color); }
.badge-green { background: rgba(16, 185, 129, 0.1); color: var(--secondary-color); }

/* Pagination */
.pagination {
    display: flex;
    padding-left: 0;
    list-style: none;
    margin: 0;
    gap: 0.25rem;
}

.page-item .page-link {
    position: relative;
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--primary-color);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.page-item:not(.disabled) .page-link:hover {
    background-color: rgba(37, 99, 235, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-item.active .page-link {
    z-index: 3;
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-item.disabled .page-link {
    color: #9ca3af;
    pointer-events: none;
    background-color: var(--bg-color);
    border-color: var(--border-color);
}

.page-link svg {
    width: 16px;
    height: 16px;
}

.hidden {
    display: none !important;
}