@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   DESIGN SYSTEM - VARIABILI GLOBALI
   ========================================================================== */
:root {
    /* Tavolozza Colori (dal logo Presto) */
    --color-primary: #2d5a47;
    --color-primary-dark: #1e3d30;
    --color-primary-light: #3d785f;
    --color-primary-rgb: 45, 90, 71;
    
    --color-accent: #10b981;
    --color-accent-hover: #059669;
    --color-accent-light: #d1fae5;
    
    --color-bg-main: #f4f7f6;
    --color-bg-card: #ffffff;
    --color-bg-sidebar: #ffffff;
    
    /* Toni di Grigio e Testo */
    --color-text-main: #1a2e26;
    --color-text-muted: #60736c;
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;
    
    /* Colori di Stato */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    /* Tipografia e Spaziature */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    
    /* Ombre ed Effetti (Premium Look) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-premium: 0 20px 25px -5px rgba(26, 46, 38, 0.05), 0 10px 10px -5px rgba(26, 46, 38, 0.02);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    --header-height: 70px;
    --sidebar-width: 260px;
}

/* ==========================================================================
   RESET CSS
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: var(--font-sans);
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Scrollbar personalizzata */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ==========================================================================
   LAYOUT DI BASE (HEADER + SIDEBAR + CONTENT)
   ========================================================================== */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* L'header si posiziona in cima */
app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 100;
}

/* Il corpo principale contiene la sidebar e l'area di lavoro */
.app-body {
    display: flex;
    flex: 1;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* Sidebar di navigazione sinistra */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-bg-sidebar);
    border-right: 1px solid var(--color-border);
    position: fixed;
    top: var(--header-height);
    bottom: 0;
    left: 0;
    overflow-y: auto;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-normal);
    z-index: 90;
}

/* Area dei Contenuti Principali */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
    transition: margin-left var(--transition-normal);
    min-width: 0;
    max-width: 100%;
}

/* ==========================================================================
   NAVIGAZIONE SIDEBAR
   ========================================================================== */
.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.nav-item a:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-main);
}

.nav-item.active a {
    color: var(--color-primary-dark);
    background-color: var(--color-accent-light);
    font-weight: 600;
}

.nav-item a svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    transition: stroke var(--transition-fast);
}

.nav-item.active a svg {
    stroke: var(--color-primary-dark);
}

/* Sezioni di navigazione */
.nav-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin: 24px 16px 8px 16px;
    opacity: 0.7;
}

/* ==========================================================================
   ELEMENTI UI COMUNI (Card, Tabelle, Bottoni)
   ========================================================================== */

/* Intestazione Pagina (Titolo + Azioni) */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Card Premium */
.card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-premium);
    border: 1px solid rgba(45, 90, 71, 0.05);
    padding: 24px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 35px -5px rgba(26, 46, 38, 0.08);
}

.card-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Griglie di Statistiche */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-md);
    background-color: var(--color-accent-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon-wrapper.danger {
    background-color: #fee2e2;
    color: var(--color-danger);
}

.stat-icon-wrapper.warning {
    background-color: #fef3c7;
    color: var(--color-warning);
}

.stat-value {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Pulsanti con Micro-animazioni */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(45, 90, 71, 0.2);
}

.btn-secondary {
    background-color: white;
    border-color: var(--color-border);
    color: var(--color-text-muted);
}

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

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

.btn-accent:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

/* Tabelle Dati Elevate */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table th {
    background-color: var(--color-bg-main);
    color: var(--color-text-muted);
    font-weight: 600;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-main);
    background-color: var(--color-bg-card);
    transition: background-color var(--transition-fast);
}

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

.data-table tr:hover td {
    background-color: rgba(244, 247, 246, 0.6);
}

/* Badge di Stato */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-success {
    background-color: var(--color-accent-light);
    color: var(--color-accent-hover);
}

.badge-warning {
    background-color: #fef3c7;
    color: #b45309;
}

.badge-danger {
    background-color: #fee2e2;
    color: #b91c1c;
}

/* ==========================================================================
   RESPONSIVITÀ
   ========================================================================== */
@media (max-width: 992px) {
    :root {
        --sidebar-width: 0px;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
        width: 260px;
        box-shadow: var(--shadow-lg);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
}

/* ==========================================================================
   VISUALIZZATORE SCHEMA E FINESTRA MODALE MERMAID
   ========================================================================== */

/* Ricerca e Filtri */
.search-container {
    position: relative;
    width: 100%;
    max-width: 450px;
}

.search-input {
    width: 100%;
    padding: 12px 16px 12px 42px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    font-size: 0.95rem;
    color: var(--color-text-main);
    background-color: white;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 71, 0.15);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

/* Griglia delle tabelle */
.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.table-card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.table-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.table-card-header {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.table-card-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text-main);
    word-break: break-all;
}

.table-card-badge {
    align-self: flex-start;
    font-size: 0.7rem;
    background-color: var(--color-bg-main);
    color: var(--color-text-muted);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.table-card-fields-count {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Finestra Modale Premium */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.modal-backdrop.show {
    display: flex;
    opacity: 1;
}

.modal-container {
    background: white;
    width: 90%;
    max-width: 950px;
    height: 85vh;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    opacity: 0;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-backdrop.show .modal-container {
    transform: scale(1);
    opacity: 1;
}

.modal-header {
    padding: 20px 28px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-bg-main);
}

.modal-title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.modal-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.modal-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.modal-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.modal-close-btn:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.modal-body {
    flex: 1;
    padding: 24px;
    overflow: auto;
    background-color: #fafbfc;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Viewer di Mermaid */
.mermaid-viewer {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* Evita le scrollbar native del browser */
    position: relative;
    cursor: grab;
    user-select: none;
}

.mermaid-viewer:active {
    cursor: grabbing;
}

.mermaid-viewer svg {
    max-width: none !important;
    max-height: none !important;
    transition: transform 0.1s ease-out;
    transform-origin: center center;
}

/* Pulsanti per lo Zoom dei diagrammi in linea nel footer */
.btn-zoom-action {
    background-color: var(--color-bg-card);
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-zoom-action:hover {
    background-color: var(--color-bg-main) !important;
    color: var(--color-primary) !important;
}

.modal-footer {
    padding: 16px 28px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-bg-main);
}

.modal-footer-info {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.modal-actions {
    display: flex;
    gap: 12px;
}

/* ==========================================================================
   AGGIUNTE GIUGNO 2026: SCHERMATA DI LOGIN, HELP E CERTIFICAZIONE
   ========================================================================== */

/* Stili per la schermata di login */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #204637 0%, #091711 100%);
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 99999;
    font-family: var(--font-sans, 'Inter', sans-serif);
    padding: 20px;
    box-sizing: border-box;
    overflow: hidden;
}

/* Cerchi decorativi sfocati sullo sfondo per un look premium glassmorphism */
.login-screen::before, .login-screen::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.4;
}
.login-screen::before {
    background-color: var(--color-accent, #10b981);
    top: 15%;
    left: 15%;
}
.login-screen::after {
    background-color: var(--color-primary-light, #3d785f);
    bottom: 15%;
    right: 15%;
}

.login-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    border-radius: var(--border-radius-lg, 20px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 
                inset 0 1px 1px rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    flex-direction: column;
    gap: 28px;
    color: #ffffff;
    box-sizing: border-box;
    animation: loginFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes loginFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.login-logo-wrapper {
    margin-bottom: 4px;
    filter: drop-shadow(0 8px 12px rgba(0,0,0,0.3));
    transition: transform 0.3s ease;
}
.login-logo-wrapper:hover {
    transform: scale(1.08) rotate(5deg);
}

.login-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.05em;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.login-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    margin: 0;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.login-form label {
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.login-form input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--border-radius-md, 12px);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    background-color: rgba(0, 0, 0, 0.3);
    color: #ffffff;
    box-sizing: border-box;
}

.login-form input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.login-form input:focus {
    outline: none;
    border-color: var(--color-accent, #10b981);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.3);
    background-color: rgba(0, 0, 0, 0.45);
}

.login-error-msg {
    color: #f87171;
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 12px;
    border-radius: var(--border-radius-md, 12px);
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    animation: shake 0.35s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.login-footer {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    margin-top: 10px;
}

/* Pulsante Help nell'Header */
.help-header-btn {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast, 0.2s);
}

.help-header-btn:hover {
    background: rgba(255,255,255,0.18);
    border-color: var(--color-accent, #10b981);
    transform: scale(1.05);
}

/* Stili per la visualizzazione Markdown della documentazione */
.markdown-body h3 {
    margin-top: 24px;
    margin-bottom: 8px;
    color: var(--color-primary-dark);
    font-size: 1.15rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 4px;
}

.markdown-body p {
    margin-bottom: 12px;
    font-size: 0.9rem;
    line-height: 1.6;
}

.markdown-body ul {
    margin-left: 20px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    list-style-type: disc;
}

.markdown-body li {
    margin-bottom: 6px;
}

.markdown-body code {
    font-family: Consolas, Monaco, monospace;
    background-color: rgba(0,0,0,0.05);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
}

.markdown-body pre {
    background-color: #0f172a;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: Consolas, Monaco, monospace;
    font-size: 0.8rem;
    margin-bottom: 16px;
}