/* ============================================
   Business Agent - Admin Panel (Gestionale)
   Modern & Functional Interface
   ============================================ */

:root {
    --primary: #c9a96e;
    --primary-dark: #a8853d;
    --primary-light: #e0c994;
    --navy: #1a2332;
    --navy-light: #243044;
    --navy-dark: #0f1620;
    --sea: #2e6b7e;
    --bg: #f4f6f9;
    --card: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --sidebar-w: 260px;
    --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

/* ---- Login Page ---- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, var(--sea) 100%);
    padding: 20px;
}

.login-card {
    background: var(--card);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Cormorant Garamond', serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--navy);
}

.login-card h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 26px;
    color: var(--navy);
    margin-bottom: 4px;
}

.login-card>p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 28px;
}

/* ---- App Layout ---- */
.app {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-w);
    background: var(--navy);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s var(--transition);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Cormorant Garamond', serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--navy);
    flex-shrink: 0;
}

.sidebar-brand h2 {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.sidebar-brand span {
    font-size: 11px;
    opacity: 0.5;
    font-weight: 300;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    transition: all 0.2s;
}

.nav-item svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
}

.nav-item.active {
    background: rgba(201, 169, 110, 0.15);
    color: var(--primary-light);
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---- Main Content ---- */
.main {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 28px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar h1 {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    color: var(--navy);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
}

.page-content {
    padding: 28px;
}

/* ---- Cards & Stats ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

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

.stat-card .stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--navy);
}

.stat-card .stat-icon {
    float: right;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.stat-icon.gold {
    background: rgba(201, 169, 110, 0.12);
    color: var(--primary-dark);
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.12);
    color: var(--info);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.12);
    color: #8b5cf6;
}

/* ---- Panel / Card ---- */
.panel {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
}

.panel-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--navy);
}

.panel-body {
    padding: 22px;
}

.panel-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: 0.2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: var(--text);
    background: var(--bg);
    outline: none;
    transition: all 0.2s;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: var(--card);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.form-group small {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--navy);
    border-color: var(--primary);
}

.btn-primary:hover {
    box-shadow: 0 3px 10px rgba(201, 169, 110, 0.3);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--navy);
    color: var(--primary-light);
    border-color: var(--navy);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
}

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ---- Table ---- */
.table-wrap {
    overflow-x: auto;
}

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

thead th {
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    text-align: left;
    border-bottom: 2px solid var(--border);
}

tbody td {
    padding: 12px 14px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr:hover {
    background: rgba(201, 169, 110, 0.04);
}

/* ---- Badges ---- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.badge-gold {
    background: rgba(201, 169, 110, 0.12);
    color: var(--primary-dark);
}

.badge-green {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success);
}

.badge-red {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
}

.badge-blue {
    background: rgba(59, 130, 246, 0.12);
    color: var(--info);
}

.badge-gray {
    background: rgba(100, 116, 139, 0.12);
    color: var(--text-secondary);
}

/* User management badges */
.badge-admin {
    background: rgba(201, 169, 110, 0.15);
    color: var(--primary-dark);
    font-weight: 600;
}

.badge-editor {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-viewer {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.badge-active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-inactive {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* ---- Alert ---- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-error {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: var(--success);
    border: 1px solid #bbf7d0;
}

.alert-info {
    background: #eff6ff;
    color: var(--info);
    border: 1px solid #bfdbfe;
}

.alert-warning {
    background: #fffbeb;
    color: var(--warning);
    border: 1px solid #fed7aa;
}

/* ---- Tabs ---- */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--text);
}

.tab.active {
    color: var(--primary-dark);
    border-bottom-color: var(--primary);
}

/* ---- Color Picker ---- */
.color-grid {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.color-swatch {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.color-swatch:hover,
.color-swatch.active {
    border-color: var(--navy);
    transform: scale(1.1);
}

/* ---- Widget Preview ---- */
.widget-preview-frame {
    width: 380px;
    height: 500px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #f5f0e8;
    position: relative;
}

/* ---- Chat Viewer ---- */
.chat-viewer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 400px;
    overflow-y: auto;
    padding: 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}

.chat-msg {
    display: flex;
    gap: 8px;
    max-width: 80%;
}

.chat-msg.bot {
    align-self: flex-start;
}

.chat-msg.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-msg .bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.5;
}

.chat-msg.bot .bubble {
    background: var(--card);
    border: 1px solid var(--border);
}

.chat-msg.user .bubble {
    background: var(--navy);
    color: white;
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    stroke: var(--border);
    stroke-width: 1.5;
    fill: none;
    margin-bottom: 12px;
}

.empty-state h3 {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 13px;
}

/* ---- Loader ---- */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

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

/* ---- Toast ---- */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    background: var(--navy);
    color: white;
    font-size: 13px;
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.3s var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fade-in 0.2s;
}

.modal {
    background: var(--card);
    border-radius: var(--radius);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modal-in 0.3s var(--transition);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2,
.modal-header h3 {
    font-size: 16px;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
}

.modal-body {
    padding: 22px;
}

.modal-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes modal-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .main {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }

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

    .page-content {
        padding: 16px;
    }
}