/* ============================================
   NeuronPulse Design System v2.0
   Modern, Minimal, Professional IoT Dashboard
   ============================================ */

/* === CSS Variables / Design Tokens === */
:root {
    /* Primary Colors (from logo) */
    --np-navy: #1B2A4E;
    --np-navy-dark: #0F1A2E;
    --np-navy-light: #2A3F6E;

    /* Accent Colors */
    --np-coral: #FF6B4A;
    --np-coral-hover: #FF5733;
    --np-coral-light: #FFEBE6;
    --np-teal: #4ECDC4;
    --np-teal-light: #E0F7F5;

    /* Neutral Colors */
    --np-bg: #F5F7FA;
    --np-bg-alt: #EEF1F5;
    --np-white: #FFFFFF;
    --np-gray-100: #F8F9FA;
    --np-gray-200: #E9ECEF;
    --np-gray-300: #DEE2E6;
    --np-gray-400: #CED4DA;
    --np-gray-500: #ADB5BD;
    --np-gray-600: #6C757D;
    --np-gray-700: #495057;
    --np-gray-800: #343A40;
    --np-gray-900: #212529;

    /* Semantic Colors */
    --np-success: #10B981;
    --np-success-bg: #D1FAE5;
    --np-warning: #F59E0B;
    --np-warning-bg: #FEF3C7;
    --np-danger: #EF4444;
    --np-danger-bg: #FEE2E2;
    --np-info: #3B82F6;
    --np-info-bg: #DBEAFE;

    /* Typography */
    --np-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --np-font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

    /* Layout */
    --np-sidebar-width: 260px;
    --np-sidebar-collapsed: 70px;
    --np-header-height: 64px;

    /* Shadows */
    --np-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --np-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --np-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --np-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Border Radius */
    --np-radius-sm: 4px;
    --np-radius: 8px;
    --np-radius-lg: 12px;
    --np-radius-xl: 16px;

    /* Transitions */
    --np-transition: all 0.2s ease;
    --np-transition-slow: all 0.3s ease;
}

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

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html { font-size: 15px; }
}

body {
    font-family: var(--np-font-family);
    background-color: var(--np-bg);
    color: var(--np-gray-700);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--np-navy);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--np-navy);
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--np-gray-500);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.text-muted { color: var(--np-gray-500) !important; }
.text-coral { color: var(--np-coral) !important; }
.text-teal { color: var(--np-teal) !important; }
.text-navy { color: var(--np-navy) !important; }

/* === App Layout (Sidebar + Main) === */
.np-app {
    display: flex;
    min-height: 100vh;
}

/* === Sidebar === */
.np-sidebar {
    width: var(--np-sidebar-width);
    background: linear-gradient(180deg, var(--np-navy) 0%, var(--np-navy-dark) 100%);
    color: var(--np-white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: var(--np-transition-slow);
    overflow-x: hidden;
    overflow-y: auto;
}

.np-sidebar-brand {
    padding: 1.25rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    min-height: var(--np-header-height);
}

.np-sidebar-brand img {
    width: 36px;
    height: 36px;
}

.np-sidebar-brand-text {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.np-sidebar-brand-text .highlight {
    color: var(--np-coral);
}

/* Sidebar Navigation */
.np-sidebar-nav {
    padding: 1rem 0;
    flex: 1;
}

.np-nav-section {
    margin-bottom: 1rem;
}

.np-nav-section-title {
    padding: 0.5rem 1.25rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
}

.np-nav-item {
    display: flex;
    align-items: center;
    padding: 0.65rem 1.25rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--np-transition);
    gap: 0.75rem;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
}

.np-nav-item:hover {
    color: var(--np-white);
    background: rgba(255,255,255,0.05);
}

.np-nav-item.active {
    color: var(--np-white);
    background: rgba(255,255,255,0.1);
    border-left-color: var(--np-coral);
}

.np-nav-item svg, .np-nav-item i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.8;
}

.np-nav-item.active svg, .np-nav-item.active i {
    opacity: 1;
    color: var(--np-coral);
}

/* Sidebar Footer */
.np-sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.08);
}

/* === Main Content Area === */
.np-main {
    flex: 1;
    margin-left: var(--np-sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === Top Header === */
.np-header {
    height: var(--np-header-height);
    background: var(--np-white);
    border-bottom: 1px solid var(--np-gray-200);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.np-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.np-header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.np-user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--np-radius);
    cursor: pointer;
    transition: var(--np-transition);
}

.np-user-menu:hover {
    background: var(--np-gray-100);
}

.np-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--np-navy);
    color: var(--np-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.np-user-info {
    text-align: left;
}

.np-user-name {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--np-gray-800);
}

.np-user-role {
    font-size: 0.75rem;
    color: var(--np-gray-500);
}

/* === Content Area === */
.np-content {
    flex: 1;
    padding: 1.5rem;
}

/* === Cards === */
.np-card {
    background: var(--np-white);
    border-radius: var(--np-radius-lg);
    box-shadow: var(--np-shadow-sm);
    border: 1px solid var(--np-gray-200);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.np-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--np-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.np-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--np-navy);
    margin: 0;
}

.np-card-body {
    padding: 1.25rem;
}

.np-card-footer {
    padding: 1rem 1.25rem;
    background: var(--np-gray-50);
    border-top: 1px solid var(--np-gray-200);
}

/* Stat Cards */
.np-stat-card {
    background: var(--np-white);
    border-radius: var(--np-radius-lg);
    padding: 1.25rem;
    border: 1px solid var(--np-gray-200);
    transition: var(--np-transition);
}

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

.np-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--np-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.np-stat-icon.coral { background: var(--np-coral-light); color: var(--np-coral); }
.np-stat-icon.teal { background: var(--np-teal-light); color: var(--np-teal); }
.np-stat-icon.navy { background: rgba(27,42,78,0.1); color: var(--np-navy); }
.np-stat-icon.success { background: var(--np-success-bg); color: var(--np-success); }
.np-stat-icon.warning { background: var(--np-warning-bg); color: var(--np-warning); }
.np-stat-icon.danger { background: var(--np-danger-bg); color: var(--np-danger); }

.np-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--np-navy);
    line-height: 1.2;
}

.np-stat-label {
    font-size: 0.875rem;
    color: var(--np-gray-500);
    margin-top: 0.25rem;
}

.np-stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: var(--np-radius-sm);
    margin-top: 0.5rem;
}

.np-stat-trend.up { background: var(--np-success-bg); color: var(--np-success); }
.np-stat-trend.down { background: var(--np-danger-bg); color: var(--np-danger); }

/* === Buttons === */
.np-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--np-radius);
    border: none;
    cursor: pointer;
    transition: var(--np-transition);
    text-decoration: none;
}

.np-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

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

.np-btn-secondary {
    background: var(--np-navy);
    color: var(--np-white);
}

.np-btn-secondary:hover {
    background: var(--np-navy-light);
}

.np-btn-outline {
    background: transparent;
    border: 1px solid var(--np-gray-300);
    color: var(--np-gray-700);
}

.np-btn-outline:hover {
    background: var(--np-gray-100);
    border-color: var(--np-gray-400);
}

.np-btn-ghost {
    background: transparent;
    color: var(--np-gray-600);
}

.np-btn-ghost:hover {
    background: var(--np-gray-100);
    color: var(--np-gray-800);
}

.np-btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.np-btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* === Form Controls === */
.np-form-group {
    margin-bottom: 1rem;
}

.np-form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--np-gray-700);
    margin-bottom: 0.375rem;
}

.np-form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    border: 1px solid var(--np-gray-300);
    border-radius: var(--np-radius);
    background: var(--np-white);
    color: var(--np-gray-800);
    transition: var(--np-transition);
}

.np-form-control:focus {
    outline: none;
    border-color: var(--np-coral);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.15);
}

.np-form-control::placeholder {
    color: var(--np-gray-400);
}

.np-form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236C757D' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

/* === Tables === */
.np-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.np-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--np-gray-500);
    background: var(--np-gray-50);
    border-bottom: 1px solid var(--np-gray-200);
}

.np-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--np-gray-100);
    color: var(--np-gray-700);
}

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

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

/* === Badges === */
.np-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    gap: 0.25rem;
}

.np-badge-success { background: var(--np-success-bg); color: var(--np-success); }
.np-badge-warning { background: var(--np-warning-bg); color: #B45309; }
.np-badge-danger { background: var(--np-danger-bg); color: var(--np-danger); }
.np-badge-info { background: var(--np-info-bg); color: var(--np-info); }
.np-badge-coral { background: var(--np-coral-light); color: var(--np-coral); }
.np-badge-navy { background: rgba(27,42,78,0.1); color: var(--np-navy); }
.np-badge-gray { background: var(--np-gray-200); color: var(--np-gray-600); }

/* Status dot */
.np-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.np-status-dot.online { background: var(--np-success); }
.np-status-dot.offline { background: var(--np-gray-400); }
.np-status-dot.warning { background: var(--np-warning); }
.np-status-dot.error { background: var(--np-danger); }

/* === Alerts === */
.np-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--np-radius);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.np-alert-success { background: var(--np-success-bg); color: #065F46; }
.np-alert-warning { background: var(--np-warning-bg); color: #92400E; }
.np-alert-danger { background: var(--np-danger-bg); color: #991B1B; }
.np-alert-info { background: var(--np-info-bg); color: #1E40AF; }

/* === Empty States === */
.np-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--np-gray-500);
}

.np-empty-state svg {
    width: 64px;
    height: 64px;
    opacity: 0.5;
    margin-bottom: 1rem;
}

.np-empty-state h3 {
    color: var(--np-gray-600);
    margin-bottom: 0.5rem;
}

/* === Node Cards === */
.np-node-card {
    background: var(--np-white);
    border-radius: var(--np-radius-lg);
    border: 1px solid var(--np-gray-200);
    padding: 1.25rem;
    transition: var(--np-transition);
    cursor: pointer;
}

.np-node-card:hover {
    border-color: var(--np-coral);
    box-shadow: var(--np-shadow-md);
}

.np-node-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.np-node-name {
    font-weight: 600;
    color: var(--np-navy);
    font-size: 1rem;
}

.np-node-code {
    font-family: var(--np-font-mono);
    font-size: 0.75rem;
    color: var(--np-gray-500);
}

.np-node-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.np-node-stat-label {
    font-size: 0.75rem;
    color: var(--np-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.np-node-stat-value {
    font-family: var(--np-font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--np-navy);
}

/* === Utilities === */
.np-flex { display: flex; }
.np-flex-col { flex-direction: column; }
.np-items-center { align-items: center; }
.np-justify-between { justify-content: space-between; }
.np-gap-1 { gap: 0.25rem; }
.np-gap-2 { gap: 0.5rem; }
.np-gap-3 { gap: 0.75rem; }
.np-gap-4 { gap: 1rem; }

.np-mb-0 { margin-bottom: 0; }
.np-mb-1 { margin-bottom: 0.25rem; }
.np-mb-2 { margin-bottom: 0.5rem; }
.np-mb-3 { margin-bottom: 0.75rem; }
.np-mb-4 { margin-bottom: 1rem; }

.np-grid { display: grid; }
.np-grid-2 { grid-template-columns: repeat(2, 1fr); }
.np-grid-3 { grid-template-columns: repeat(3, 1fr); }
.np-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .np-grid-2, .np-grid-3, .np-grid-4 {
        grid-template-columns: 1fr;
    }
}

/* === Login Page === */
.np-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--np-navy) 0%, var(--np-navy-dark) 100%);
}

.np-login-card {
    background: var(--np-white);
    border-radius: var(--np-radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--np-shadow-lg);
}

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

.np-login-logo img {
    width: 64px;
    height: 64px;
}

.np-login-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--np-navy);
    margin-bottom: 0.5rem;
}

.np-login-subtitle {
    text-align: center;
    color: var(--np-gray-500);
    margin-bottom: 2rem;
}

/* === Responsive === */
@media (max-width: 991px) {
    .np-sidebar {
        transform: translateX(-100%);
    }

    .np-sidebar.open {
        transform: translateX(0);
    }

    .np-main {
        margin-left: 0;
    }
}

/* === Print === */
@media print {
    .np-sidebar, .np-header {
        display: none;
    }

    .np-main {
        margin-left: 0;
    }
}

/* === Notifications Center === */
.np-notifications {
    position: relative;
}

.np-notifications-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--np-gray-100);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--np-transition);
}

.np-notifications-btn:hover {
    background: var(--np-gray-200);
}

.np-notifications-btn i {
    font-size: 1.125rem;
    color: var(--np-gray-600);
}

.np-notifications-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--np-coral);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.np-notifications-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 360px;
    max-height: 480px;
    background: var(--np-white);
    border-radius: var(--np-radius-lg);
    box-shadow: var(--np-shadow-lg);
    border: 1px solid var(--np-gray-200);
    z-index: 1000;
    display: none;
    overflow: hidden;
}

.np-notifications-dropdown.show {
    display: block;
    animation: fadeInDown 0.2s ease;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.np-notifications-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--np-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.np-notifications-title {
    font-weight: 600;
    color: var(--np-navy);
    font-size: 0.9rem;
}

.np-notifications-list {
    max-height: 360px;
    overflow-y: auto;
}

.np-notification-item {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--np-gray-100);
    display: flex;
    gap: 0.75rem;
    transition: var(--np-transition);
    cursor: pointer;
}

.np-notification-item:hover {
    background: var(--np-gray-50);
}

.np-notification-item.unread {
    background: rgba(255, 107, 74, 0.05);
}

.np-notification-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.np-notification-icon.alert { background: var(--np-danger-bg); color: var(--np-danger); }
.np-notification-icon.warning { background: var(--np-warning-bg); color: #B45309; }
.np-notification-icon.info { background: var(--np-info-bg); color: var(--np-info); }
.np-notification-icon.success { background: var(--np-success-bg); color: var(--np-success); }

.np-notification-content {
    flex: 1;
    min-width: 0;
}

.np-notification-text {
    font-size: 0.875rem;
    color: var(--np-gray-700);
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.np-notification-time {
    font-size: 0.75rem;
    color: var(--np-gray-500);
}

.np-notifications-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--np-gray-200);
    text-align: center;
}

.np-notifications-footer a {
    font-size: 0.875rem;
    color: var(--np-coral);
    text-decoration: none;
    font-weight: 500;
}

.np-notifications-footer a:hover {
    text-decoration: underline;
}

.np-notifications-empty {
    padding: 2rem;
    text-align: center;
    color: var(--np-gray-500);
}

.np-notifications-empty i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

/* === Global Search === */
.np-search {
    position: relative;
    width: 280px;
}

.np-search-input {
    width: 100%;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--np-gray-200);
    border-radius: 9999px;
    background: var(--np-gray-50);
    font-size: 0.875rem;
    transition: var(--np-transition);
}

.np-search-input:focus {
    outline: none;
    border-color: var(--np-coral);
    background: var(--np-white);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.1);
}

.np-search-input::placeholder {
    color: var(--np-gray-400);
}

.np-search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--np-gray-400);
    pointer-events: none;
}

.np-search-shortcut {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.125rem 0.375rem;
    background: var(--np-gray-200);
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--np-gray-500);
}

.np-search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--np-white);
    border-radius: var(--np-radius-lg);
    box-shadow: var(--np-shadow-lg);
    border: 1px solid var(--np-gray-200);
    z-index: 1000;
    display: none;
    max-height: 400px;
    overflow-y: auto;
}

.np-search-results.show {
    display: block;
    animation: fadeInDown 0.2s ease;
}

.np-search-section {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--np-gray-100);
}

.np-search-section:last-child {
    border-bottom: none;
}

.np-search-section-title {
    padding: 0.375rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--np-gray-500);
}

.np-search-item {
    padding: 0.625rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: var(--np-transition);
    text-decoration: none;
    color: inherit;
}

.np-search-item:hover, .np-search-item.selected {
    background: var(--np-gray-50);
}

.np-search-item-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--np-radius);
    background: var(--np-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--np-gray-600);
}

.np-search-item-text {
    flex: 1;
}

.np-search-item-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--np-gray-800);
}

.np-search-item-subtitle {
    font-size: 0.75rem;
    color: var(--np-gray-500);
}

/* === Quick Actions FAB === */
.np-fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 900;
}

.np-fab-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--np-coral);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--np-shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--np-transition);
}

.np-fab-btn:hover {
    background: var(--np-coral-hover);
    transform: scale(1.05);
}

.np-fab-btn i {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.np-fab.open .np-fab-btn i {
    transform: rotate(45deg);
}

.np-fab-menu {
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: 0.75rem;
    display: none;
}

.np-fab.open .np-fab-menu {
    display: block;
    animation: fadeInUp 0.2s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.np-fab-action {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

.np-fab-action-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--np-white);
    border: 1px solid var(--np-gray-200);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--np-navy);
    box-shadow: var(--np-shadow);
    transition: var(--np-transition);
}

.np-fab-action-btn:hover {
    background: var(--np-navy);
    color: white;
    border-color: var(--np-navy);
}

.np-fab-action-label {
    background: var(--np-navy);
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: var(--np-radius);
    font-size: 0.8rem;
    font-weight: 500;
    box-shadow: var(--np-shadow);
}

/* === Keyboard Shortcuts Modal === */
.np-shortcuts-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
}

.np-shortcuts-modal.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.np-shortcuts-content {
    background: var(--np-white);
    border-radius: var(--np-radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--np-shadow-lg);
    animation: scaleIn 0.2s ease;
}

@keyframes scaleIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.np-shortcuts-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--np-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.np-shortcuts-title {
    font-weight: 600;
    color: var(--np-navy);
    font-size: 1.125rem;
}

.np-shortcuts-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--np-gray-100);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--np-gray-600);
    transition: var(--np-transition);
}

.np-shortcuts-close:hover {
    background: var(--np-gray-200);
}

.np-shortcuts-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(80vh - 70px);
}

.np-shortcuts-section {
    margin-bottom: 1.5rem;
}

.np-shortcuts-section:last-child {
    margin-bottom: 0;
}

.np-shortcuts-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--np-gray-500);
    margin-bottom: 0.75rem;
}

.np-shortcut-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.np-shortcut-label {
    font-size: 0.875rem;
    color: var(--np-gray-700);
}

.np-shortcut-keys {
    display: flex;
    gap: 0.25rem;
}

.np-key {
    padding: 0.25rem 0.5rem;
    background: var(--np-gray-100);
    border: 1px solid var(--np-gray-200);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--np-font-mono);
    color: var(--np-gray-700);
    min-width: 24px;
    text-align: center;
}

/* === Intro.js Tour Customization === */
.introjs-tooltip {
    background: var(--np-white);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(27, 42, 78, 0.2);
    border: none;
    max-width: 400px;
}

.introjs-tooltip-title {
    color: var(--np-navy);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.introjs-tooltiptext {
    color: var(--np-gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
}

.introjs-tooltiptext kbd {
    padding: 0.15rem 0.4rem;
    background: var(--np-gray-100);
    border: 1px solid var(--np-gray-200);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--np-font-mono);
    color: var(--np-navy);
}

.introjs-button {
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    text-shadow: none;
}

.introjs-button:hover {
    box-shadow: none;
}

.introjs-nextbutton,
.introjs-donebutton {
    background: var(--np-coral);
    color: white;
}

.introjs-nextbutton:hover,
.introjs-donebutton:hover {
    background: var(--np-coral-hover);
    color: white;
}

.introjs-prevbutton {
    background: var(--np-gray-100);
    color: var(--np-gray-700);
}

.introjs-prevbutton:hover {
    background: var(--np-gray-200);
    color: var(--np-gray-800);
}

.introjs-skipbutton {
    color: var(--np-gray-500);
    font-size: 0.8rem;
}

.introjs-skipbutton:hover {
    color: var(--np-gray-700);
}

.introjs-helperLayer {
    border-radius: 8px;
    box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.3);
}

.introjs-overlay {
    background: rgba(27, 42, 78, 0.7);
}

.introjs-progressbar {
    background: var(--np-coral);
}

.introjs-progress {
    background: var(--np-gray-200);
    border-radius: 4px;
    height: 4px;
}

.introjs-bullets ul li a {
    background: var(--np-gray-300);
}

.introjs-bullets ul li a.active {
    background: var(--np-coral);
}

.introjs-arrow.top {
    border-bottom-color: var(--np-white);
}

.introjs-arrow.bottom {
    border-top-color: var(--np-white);
}

.introjs-arrow.left {
    border-right-color: var(--np-white);
}

.introjs-arrow.right {
    border-left-color: var(--np-white);
}

/* === Page Header Styles === */
.np-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.np-page-header-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.np-page-header-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--np-coral), var(--np-coral-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.np-page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--np-navy);
    margin: 0;
}

.np-page-subtitle {
    font-size: 0.875rem;
    color: var(--np-gray-600);
    margin: 0;
}

.np-page-header-actions {
    display: flex;
    gap: 0.5rem;
}

/* === Stats Row === */
.np-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.np-stat-card {
    background: var(--np-white);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.np-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.np-stat-icon-primary {
    background: var(--np-coral-light);
    color: var(--np-coral);
}

.np-stat-icon-success {
    background: var(--np-success-bg);
    color: var(--np-success);
}

.np-stat-icon-warning {
    background: var(--np-warning-bg);
    color: var(--np-warning);
}

.np-stat-icon-danger {
    background: var(--np-danger-bg);
    color: var(--np-danger);
}

.np-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--np-navy);
}

.np-stat-label {
    font-size: 0.75rem;
    color: var(--np-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* === User Cell === */
.np-user-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.np-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--np-navy), var(--np-navy-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.np-avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
}

.np-avatar-lg {
    width: 64px;
    height: 64px;
    font-size: 1.25rem;
}

.np-user-name {
    font-weight: 500;
    color: var(--np-navy);
}

.np-user-email {
    font-size: 0.75rem;
    color: var(--np-gray-600);
}

/* === Form Styles === */
.np-form-container {
    max-width: 640px;
}

.np-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.np-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.np-form-full {
    grid-column: 1 / -1;
}

.np-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--np-navy);
}

.np-input,
.np-select,
.np-textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--np-gray-300);
    border-radius: 8px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background: var(--np-white);
}

.np-input:focus,
.np-select:focus,
.np-textarea:focus {
    outline: none;
    border-color: var(--np-coral);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.15);
}

.np-input-group {
    display: flex;
    gap: 0;
}

.np-input-group .np-input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    flex: 1;
}

.np-input-group .np-btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.np-input-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    border: 1px solid var(--np-gray-300);
    border-radius: 6px;
}

.np-hint {
    font-size: 0.75rem;
    color: var(--np-gray-600);
}

.np-validation-error {
    font-size: 0.75rem;
    color: var(--np-danger);
}

.np-form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--np-gray-200);
}

/* === Search Inline === */
.np-search-inline {
    position: relative;
    display: flex;
    align-items: center;
}

.np-search-inline i {
    position: absolute;
    left: 0.75rem;
    color: var(--np-gray-500);
    font-size: 0.875rem;
}

.np-search-inline .np-input-sm {
    padding-left: 2rem;
    width: 200px;
}

/* === User Profile === */
.np-user-profile {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.np-user-profile-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--np-navy);
    margin: 0;
}

.np-user-profile-email {
    color: var(--np-gray-600);
    margin: 0;
}

.np-user-profile-stats {
    display: flex;
    gap: 2rem;
    margin-left: auto;
}

.np-user-profile-stat {
    text-align: center;
}

.np-user-profile-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--np-navy);
}

.np-user-profile-stat-label {
    font-size: 0.75rem;
    color: var(--np-gray-600);
}

/* === Checkbox List === */
.np-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.np-checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--np-gray-200);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.np-checkbox-item:hover {
    border-color: var(--np-coral);
    background: var(--np-coral-light);
}

.np-checkbox-item.selected {
    border-color: var(--np-coral);
    background: var(--np-coral-light);
}

.np-checkbox {
    margin-top: 0.25rem;
    accent-color: var(--np-coral);
}

.np-checkbox-content {
    flex: 1;
}

.np-checkbox-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.np-checkbox-title {
    font-weight: 500;
    color: var(--np-navy);
}

.np-checkbox-subtitle {
    font-size: 0.75rem;
    color: var(--np-gray-600);
}

/* === Node List === */
.np-node-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.np-node-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--np-gray-100);
    border-radius: 8px;
}

.np-node-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--np-teal-light);
    color: var(--np-teal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.np-node-info {
    flex: 1;
}

.np-node-name {
    font-weight: 500;
    color: var(--np-navy);
}

.np-node-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}

/* === Grid Layout === */
.np-grid {
    display: grid;
    gap: 1.5rem;
}

.np-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .np-grid-2 {
        grid-template-columns: 1fr;
    }
}

/* === Empty State === */
.np-empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--np-gray-600);
}

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

.np-empty-state h3 {
    font-size: 1.125rem;
    color: var(--np-navy);
    margin-bottom: 0.5rem;
}

.np-empty-state p {
    margin-bottom: 1.5rem;
}

/* === Tenant Card Grid === */
.np-tenant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.np-tenant-card {
    background: var(--np-white);
    border: 1px solid var(--np-gray-200);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.np-tenant-card:hover {
    border-color: var(--np-coral);
    box-shadow: 0 4px 12px rgba(255, 107, 74, 0.15);
}

.np-tenant-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--np-gray-100);
}

.np-tenant-avatar {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--np-navy), var(--np-navy-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
}

.np-tenant-header-info {
    flex: 1;
}

.np-tenant-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--np-navy);
    margin: 0 0 0.25rem 0;
}

.np-tenant-card-body {
    padding: 1rem;
}

.np-tenant-info-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--np-gray-600);
}

.np-tenant-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--np-gray-200);
}

/* === Rule Cell === */
.np-rule-cell {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.np-rule-name {
    font-weight: 500;
    color: var(--np-navy);
}

.np-rule-description {
    font-size: 0.75rem;
    color: var(--np-gray-600);
}

/* === Condition Cell === */
.np-condition-cell {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.np-condition-code {
    font-family: var(--np-font-mono);
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
    background: var(--np-gray-100);
    border-radius: 4px;
    color: var(--np-navy);
}

.np-condition-duration {
    font-size: 0.75rem;
    color: var(--np-gray-600);
}

/* === Notification Badges === */
.np-notification-badges {
    display: flex;
    gap: 0.25rem;
}

.np-badge-outline {
    background: transparent;
    border: 1px solid var(--np-gray-300);
    color: var(--np-gray-600);
}

/* === Button Variants === */
.np-btn-danger-outline {
    background: transparent;
    border: 1px solid var(--np-danger);
    color: var(--np-danger);
}

.np-btn-danger-outline:hover {
    background: var(--np-danger);
    color: white;
}

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

.np-btn-danger:hover {
    background: #DC2626;
}

/* === Modal Styles === */
.np-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(27, 42, 78, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.np-modal.active {
    display: flex;
}

.np-modal-content {
    background: var(--np-white);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: auto;
}

.np-modal-sm {
    max-width: 400px;
}

.np-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--np-gray-200);
}

.np-modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    color: var(--np-navy);
}

.np-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--np-gray-500);
    cursor: pointer;
}

.np-modal-body {
    padding: 1.5rem;
}

.np-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--np-gray-200);
}

/* === Text Utilities === */
.np-text-muted {
    color: var(--np-gray-600);
}

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

.np-p-0 {
    padding: 0 !important;
}