/* ========================================
   COMUNE.DIGITAL CRM - DESIGN SYSTEM
   Mobile-First Responsive Design
   ======================================== */

/* === VARIABILI CSS === */
:root {
    /* Blu principale */
    --blu-900: #0D3A5C;
    --blu-700: #145284;
    --blu-500: #2E6DA8;
    --blu-300: #7BA7CE;
    --blu-100: #D1E2F2;

    /* Verde secondario */
    --verde-900: #2A752F;
    --verde-700: #3CA434;
    --verde-500: #59C64D;
    --verde-300: #A4E89A;
    --verde-100: #E2F8DE;

    /* Grigi */
    --grigio-900: #1E1E1E;
    --grigio-700: #4A4A4A;
    --grigio-500: #9B9B9B;
    --grigio-300: #D9D9D9;
    --grigio-100: #F5F5F5;

    /* Stati */
    --giallo-avviso: #FFCC00;
    --rosso-errore: #D32F2F;
    --azzurro-info: #0288D1;

    /* Layout */
    --sidebar-width: 280px;
    --header-height: 60px;
    --mobile-breakpoint: 768px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Titillium Web', sans-serif;
    font-weight: 400;
    line-height: 1.5;
    color: var(--grigio-900);
    background-color: var(--grigio-100);
    overflow-x: hidden;
}

a {
    color: var(--blu-700);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--blu-500);
}

img {
    max-width: 100%;
    height: auto;
}

/* === UTILITY CLASSES === */
.hidden {
    display: none !important;
}

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

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* === LOADING SCREEN === */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--blu-700);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: white;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* === LOGIN SCREEN === */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--blu-700) 0%, var(--blu-900) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-container {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

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

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--blu-700);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--grigio-500);
    font-size: 0.9rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--grigio-700);
    font-size: 0.9rem;
}

.login-form label i {
    margin-right: 0.5rem;
    color: var(--blu-700);
}

.login-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--grigio-300);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Titillium Web', sans-serif;
    transition: border-color var(--transition-fast);
}

.login-form input:focus {
    outline: none;
    border-color: var(--blu-700);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: 'Titillium Web', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--blu-700);
    color: white;
}

.btn-primary:hover {
    background: var(--blu-500);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--grigio-300);
    color: var(--grigio-700);
}

.btn-secondary:hover {
    background: var(--grigio-500);
    color: white;
}

.btn-success {
    background: var(--verde-700);
    color: white;
}

.btn-success:hover {
    background: var(--verde-500);
}

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

.btn-danger:hover {
    background: #B71C1C;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* === APP LAYOUT === */
.app {
    display: grid;
    grid-template-areas:
        "header"
        "main";
    grid-template-rows: auto 1fr;
    height: 100vh;
}

/* === HEADER === */
.app-header {
    grid-area: header;
    background: var(--blu-700);
    color: white;
    box-shadow: var(--shadow-md);
    z-index: 100;
    position: sticky;
    top: 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    padding: 0 1rem;
}

.app-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.menu-toggle,
.user-menu-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background var(--transition-fast);
}

.menu-toggle:hover,
.user-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* === SIDEBAR === */
.sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: var(--sidebar-width);
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-lg);
    z-index: 200;
    transition: left var(--transition-base);
    display: flex;
    flex-direction: column;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 2px solid var(--grigio-300);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--blu-700);
}

.sidebar-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--grigio-500);
    cursor: pointer;
    padding: 0.25rem;
}

.sidebar-menu {
    list-style: none;
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--grigio-700);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 4px solid transparent;
}

.menu-item:hover {
    background: var(--blu-100);
    color: var(--blu-700);
}

.menu-item.active {
    background: var(--blu-100);
    color: var(--blu-700);
    border-left-color: var(--blu-700);
}

.menu-item i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* Sidebar badge contatori */
.sidebar-badge {
    margin-left: auto;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 11px;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    color: white;
    background: var(--rosso-errore);
    animation: badgePop 0.3s ease;
}
.sidebar-badge.badge-warning {
    background: var(--giallo-avviso);
    color: var(--grigio-900);
}
.sidebar-badge.badge-info {
    background: var(--azzurro-info);
    color: #fff;
}
@keyframes badgePop {
    0% { transform: scale(0); }
    70% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: calc(var(--header-height, 60px) + 12px);
    right: 12px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    max-width: 400px;
    width: calc(100% - 24px);
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 10px;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.08);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--grigio-900);
    pointer-events: auto;
    opacity: 0;
    transform: translateX(100%);
    border-left: 4px solid var(--azzurro-info);
}
.toast.toast-enter {
    animation: toastSlideIn 0.35s cubic-bezier(0.21, 1.02, 0.73, 1) forwards;
}
.toast.toast-exit {
    animation: toastSlideOut 0.3s ease-in forwards;
}

.toast-success { border-left-color: var(--verde-700); }
.toast-success i:first-child { color: var(--verde-700); }
.toast-error { border-left-color: var(--rosso-errore); }
.toast-error i:first-child { color: var(--rosso-errore); }
.toast-warning { border-left-color: var(--giallo-avviso); }
.toast-warning i:first-child { color: #b8860b; }
.toast-info i:first-child { color: var(--azzurro-info); }

.toast i:first-child {
    font-size: 1.15rem;
    flex-shrink: 0;
}
.toast-msg {
    flex: 1;
    line-height: 1.35;
}
.toast-close {
    background: none;
    border: none;
    color: var(--grigio-500);
    cursor: pointer;
    padding: 4px;
    font-size: 0.8rem;
    flex-shrink: 0;
    opacity: 0.5;
    transition: opacity 0.2s;
}
.toast-close:hover { opacity: 1; }

@keyframes toastSlideIn {
    0% { opacity: 0; transform: translateX(100%); }
    100% { opacity: 1; transform: translateX(0); }
}
@keyframes toastSlideOut {
    0% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(100%) scale(0.95); }
}

.sidebar-footer {
    padding: 1rem;
    border-top: 2px solid var(--grigio-300);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* === MAIN CONTENT === */
.main-content {
    grid-area: main;
    padding: 1.5rem;
    overflow-y: auto;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* === USER MENU === */
.user-menu {
    position: fixed;
    top: var(--header-height);
    right: 1rem;
    width: 280px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 150;
    overflow: hidden;
}

.user-menu-header {
    background: var(--blu-700);
    color: white;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    font-size: 3rem;
}

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

.user-role {
    font-size: 0.9rem;
    opacity: 0.9;
}

.user-menu-list {
    list-style: none;
}

.user-menu-list li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--grigio-700);
    font-weight: 600;
    transition: background var(--transition-fast);
}

.user-menu-list li a:hover {
    background: var(--blu-100);
    color: var(--blu-700);
}

.user-menu-list li a i {
    width: 20px;
}

/* === CARDS === */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--grigio-300);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--blu-700);
}

.card-subtitle {
    font-size: 0.9rem;
    color: var(--grigio-500);
    margin-top: 0.25rem;
}

/* === KPI CARDS === */
.kpi-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform var(--transition-fast);
}

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

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.kpi-icon.critical {
    background: var(--rosso-errore);
    color: white;
}

.kpi-icon.warning {
    background: var(--giallo-avviso);
    color: var(--grigio-900);
}

.kpi-icon.success {
    background: var(--verde-700);
    color: white;
}

.kpi-icon.info {
    background: var(--azzurro-info);
    color: white;
}

.kpi-content {
    flex: 1;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--grigio-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--grigio-900);
    line-height: 1;
    margin-top: 0.25rem;
}

/* === BADGE === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: var(--verde-100);
    color: var(--verde-900);
}

.badge-danger {
    background: #FFEBEE;
    color: var(--rosso-errore);
}

.badge-warning {
    background: #FFF8E1;
    color: #F57C00;
}

.badge-info {
    background: #E1F5FE;
    color: var(--azzurro-info);
}

.badge-secondary {
    background: var(--grigio-300);
    color: var(--grigio-700);
}

/* === LISTA === */
.list-group {
    list-style: none;
}

.list-item {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.list-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.list-item-content {
    flex: 1;
}

.list-item-title {
    font-weight: 700;
    color: var(--grigio-900);
    margin-bottom: 0.25rem;
}

.list-item-meta {
    font-size: 0.875rem;
    color: var(--grigio-500);
}

.list-item-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* === FILTRI === */
.filter-bar {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.filter-input,
.filter-select {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    border: 2px solid var(--grigio-300);
    border-radius: 8px;
    font-family: 'Titillium Web', sans-serif;
    font-size: 0.9rem;
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--blu-700);
}

/* === TABELLE === */
.table-responsive {
    overflow-x: auto;
    margin: -1.5rem;
    padding: 1.5rem;
}

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

.table th {
    background: var(--blu-100);
    color: var(--blu-900);
    font-weight: 700;
    text-align: left;
    padding: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--grigio-300);
}

.table tbody tr:hover {
    background: var(--blu-100);
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--grigio-500);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--grigio-700);
    margin-bottom: 0.5rem;
}

/* === RESPONSIVE === */
@media (min-width: 768px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filter-group {
        flex-wrap: nowrap;
    }
}

@media (min-width: 1024px) {
    .kpi-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .sidebar {
        left: 0;
        position: fixed;
        top: var(--header-height);
        height: calc(100vh - var(--header-height));
        z-index: 90;
        overflow-y: auto;
    }

    .sidebar-overlay {
        display: none;
    }

    .menu-toggle,
    .sidebar-close {
        display: none;
    }

    .app {
        grid-template-areas: "header" "main";
        grid-template-columns: 1fr;
    }

    .main-content {
        padding: 2rem;
        margin-left: var(--sidebar-width);
    }
}

/* === SKELETON LOADING === */
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.sk {
    background: linear-gradient(90deg, var(--grigio-100) 25%, #e8e8e8 50%, var(--grigio-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: 6px;
}

.sk-text { height: 14px; width: 60%; }
.sk-title { height: 22px; width: 40%; }
.sk-circle { border-radius: 50%; }
.sk-card {
    background: white;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* === AI CHAT BOUNCE ANIMATION === */
@keyframes aiBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* === TABS === */
.tabs-container {
    width: 100%;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--grigio-300);
    overflow-x: auto;
    scrollbar-width: thin;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--grigio-500);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    color: var(--blu-700);
    background: var(--blu-100);
}

.tab-btn.active {
    color: var(--blu-700);
    border-bottom-color: var(--blu-700);
    font-weight: 700;
}

.tab-btn i {
    font-size: 1rem;
}

@media (max-width: 768px) {
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }
}

/* === SETTINGS PAGE === */
.settings-tab {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--grigio-500);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.settings-tab:hover {
    color: var(--blu-700);
    background: var(--blu-100);
}

.settings-tab.active {
    color: var(--blu-700);
    border-bottom-color: var(--blu-700);
}

.widget-setting-item {
    padding: 1rem;
    border: 1px solid var(--grigio-300);
    border-radius: 8px;
    transition: all 0.2s;
}

.widget-setting-item:hover {
    border-color: var(--blu-500);
    background: var(--blu-100);
}

.custom-checkbox {
    position: relative;
    display: inline-block;
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.custom-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.custom-checkbox .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 24px;
    width: 24px;
    background-color: white;
    border: 2px solid var(--grigio-300);
    border-radius: 4px;
    transition: all 0.2s;
}

.custom-checkbox input[type="checkbox"]:checked ~ .checkmark {
    background-color: var(--blu-700);
    border-color: var(--blu-700);
}

.custom-checkbox .checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-checkbox input[type="checkbox"]:checked ~ .checkmark:after {
    display: block;
}

.stat-box {
    background: var(--grigio-100);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--blu-700);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--grigio-500);
    text-transform: uppercase;
    font-weight: 600;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-info {
    background: var(--blu-100);
    color: var(--blu-900);
    border-left: 4px solid var(--blu-700);
}

.alert i {
    font-size: 1.5rem;
}

/* ========================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ======================================== */

/* === TABLET E MOBILE (max-width: 768px) === */
@media (max-width: 768px) {
    /* Layout Base — Ancoraggio allo schermo (anti-dondolio) */
    body {
        overflow-x: hidden;
    }

    .main-content {
        overflow-x: hidden;
        max-width: 100vw;
    }

    /* Font più leggibili su mobile */
    .page-header h1 {
        font-size: clamp(1.25rem, 5vw, 1.75rem);
    }

    .card-title {
        font-size: clamp(0.95rem, 4vw, 1.125rem);
    }

    .list-item-title {
        font-size: clamp(0.95rem, 4vw, 1.05rem);
    }

    .list-item-subtitle {
        font-size: clamp(0.85rem, 3.5vw, 0.9rem);
    }

    /* Header */
    .header {
        padding: 0 1rem;
        height: var(--header-height);
    }

    .header-left h1 {
        font-size: 1.25rem;
    }

    .header-right {
        gap: 0.5rem;
    }

    /* Sidebar - Mobile Behavior */
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100vh;
        width: 280px;
        z-index: 1000;
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
    }

    .sidebar.active {
        left: 0;
    }

    /* Sidebar Overlay - Visibile solo su mobile */
    .sidebar-overlay {
        display: block;
        z-index: 999;
    }

    /* Main Content - Full Width */
    .main-content {
        margin-left: 0;
        padding: 1rem;
        padding-top: calc(var(--header-height) + 1rem);
    }

    /* Page Header */
    .page-header {
        margin-bottom: 1.5rem;
    }

    .page-header h1 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .page-header button,
    .page-header .btn {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }

    /* Cards */
    .card {
        margin-bottom: 1rem;
        border-radius: 8px;
    }

    .card-header {
        padding: 1rem;
    }

    .card-header h2,
    .card-header h3 {
        font-size: 1.125rem;
    }

    .card-body {
        padding: 1rem;
    }

    /* KPI Grid - Stack Verticale */
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .kpi-card {
        padding: 1rem;
    }

    /* Form Elements */
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-control,
    .form-input,
    .form-select {
        font-size: 16px; /* Previene zoom iOS */
        padding: 0.75rem;
    }

    /* Buttons */
    .btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
        font-size: 0.9375rem;
    }

    .btn-group {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-group .btn {
        width: 100%;
    }

    /* List Items */
    .list-item {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .list-item-title {
        font-size: 1rem;
    }

    .list-item-subtitle {
        font-size: 0.875rem;
    }

    /* Table - Scroll Orizzontale */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
    }

    table {
        min-width: 600px;
        font-size: 0.875rem;
    }

    th, td {
        padding: 0.75rem 0.5rem;
    }

    /* Modal - Full Screen su Mobile */
    .modal-content {
        width: 100%;
        max-width: 100%;
        height: 100vh;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
        overflow-y: auto;
    }

    .modal-header {
        padding: 1rem;
        position: sticky;
        top: 0;
        background: white;
        z-index: 10;
        border-bottom: 1px solid var(--grigio-300);
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-footer {
        padding: 1rem;
        position: sticky;
        bottom: 0;
        background: white;
        border-top: 1px solid var(--grigio-300);
        flex-direction: column-reverse;
        gap: 0.5rem;
    }

    .modal-footer .btn {
        width: 100%;
        margin: 0;
    }

    /* Tabs - Stack o Scroll */
    .tab-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
    }

    .tab-list {
        display: flex;
        gap: 0.5rem;
        white-space: nowrap;
        min-width: min-content;
    }

    /* User Menu Dropdown */
    .user-menu {
        position: fixed;
        top: var(--header-height);
        right: 0;
        left: 0;
        width: 100%;
        border-radius: 0;
        box-shadow: var(--shadow-lg);
    }

    .user-menu-header {
        padding: 1.5rem;
    }

    /* Dashboard Widgets */
    .dashboard-widgets {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* Filter Bar */
    .filter-bar {
        flex-direction: column;
        gap: 0.75rem;
    }

    .filter-bar input,
    .filter-bar select {
        width: 100%;
    }

    /* Stats Grid */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    /* Action Buttons - Stack */
    .action-buttons {
        flex-direction: column;
        width: 100%;
    }

    .action-buttons button {
        width: 100%;
    }

    /* Empty State */
    .empty-state {
        padding: 2rem 1rem;
    }

    .empty-state i {
        font-size: 3rem;
    }

    .empty-state h3 {
        font-size: 1.25rem;
    }

    /* Badge */
    .badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }

    /* Settings Tabs */
    .settings-tab {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    /* Charts */
    .chart-container {
        height: 250px;
    }
}

/* === MOBILE SMALL (max-width: 480px) === */
@media (max-width: 480px) {
    /* Font Size — leggermente ridotto ma leggibile */
    html {
        font-size: 15px;
    }

    /* Header Compatto */
    .header-left h1 {
        font-size: 1.125rem;
    }

    /* Page Header */
    .page-header h1 {
        font-size: 1.25rem;
    }

    /* Cards Più Compatte */
    .card {
        border-radius: 6px;
    }

    .card-header,
    .card-body {
        padding: 0.875rem;
    }

    /* KPI Card */
    .kpi-card {
        padding: 0.875rem;
    }

    .kpi-value {
        font-size: 1.75rem;
    }

    .kpi-label {
        font-size: 0.8125rem;
    }

    /* Form Elements */
    .form-control,
    .form-input,
    .form-select {
        padding: 0.625rem;
    }

    /* Buttons */
    .btn {
        padding: 0.625rem 0.875rem;
        font-size: 0.875rem;
    }

    /* List Items */
    .list-item {
        padding: 0.875rem;
    }

    /* Modal */
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 0.875rem;
    }

    /* User Avatar */
    .user-avatar {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    /* Charts */
    .chart-container {
        height: 220px;
    }

    /* Reduce Spacing */
    .mb-3 {
        margin-bottom: 1rem;
    }

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

/* === LANDSCAPE MOBILE === */
@media (max-height: 500px) and (orientation: landscape) {
    /* Modal - Scroll Interno */
    .modal-content {
        height: 100vh;
        overflow-y: auto;
    }

    /* Sidebar - Larghezza Ridotta */
    .sidebar {
        width: 240px;
    }
}

/* ══════════════════════════════════════════
   CHAT PANEL — Pannello laterale messaggistica
   ══════════════════════════════════════════ */

.chat-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 380px;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 20px rgba(0,0,0,0.15);
    z-index: 1100;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    font-family: 'Titillium Web', sans-serif;
}
.chat-panel.open {
    transform: translateX(0);
}

.chat-panel-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 1099;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.chat-panel-overlay.open {
    opacity: 1;
    pointer-events: all;
}

/* Overlay solo su mobile */
@media (min-width: 769px) {
    .chat-panel-overlay.open {
        opacity: 0;
        pointer-events: none;
    }
}

#chatPanelContent {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* Header del pannello chat */
.chat-panel-header {
    background: var(--blu-700);
    color: white;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    min-height: 56px;
}

/* Lista conversazioni */
.chat-conv-list {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.chat-conv-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background 0.15s ease;
    border-bottom: 1px solid var(--grigio-100);
}
.chat-conv-item:hover {
    background: var(--grigio-100);
}
.chat-conv-item.unread {
    background: var(--blu-100);
}
.chat-conv-item.unread:hover {
    background: #C0D8ED;
}

/* Area messaggi */
.chat-messages-area {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0.75rem 0;
    background: #F0F2F5;
}

/* Area input messaggio */
.chat-input-area {
    flex-shrink: 0;
    padding: 0.75rem 1rem;
    background: white;
    border-top: 1px solid var(--grigio-300);
}

/* Animazione pulse per registrazione audio */
@keyframes chatPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Mobile: pannello full-width + ottimizzazioni tastiera */
@media (max-width: 768px) {
    .chat-panel {
        width: 100%;
        height: 100vh;
        height: 100dvh; /* Dynamic viewport height — si adatta alla tastiera */
    }

    /* Previeni zoom su input focus (iOS) — font-size ≥ 16px */
    .chat-input-area textarea,
    .chat-input-area input {
        font-size: 16px !important;
    }

    /* Area messaggi: flexible con tastiera */
    .chat-messages-area {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Input area: rimane fissa in basso */
    .chat-input-area {
        position: relative;
        z-index: 2;
    }

    /* Su mobile: nascondi pulsantini hover, si usa long-press (500ms) */
    .chat-msg-row .chat-msg-actions {
        display: none !important;
    }
}