/* ==========================================================================
   Sysmon Telemetry Dashboard - Stylesheet
   Design: Modern Dark Glassmorphism, Deep Blue/Slate, Neon Accents
   ========================================================================== */

:root {
    --bg-base: #080c14;
    --bg-surface: #0e1726;
    --bg-surface-elevated: rgba(20, 31, 51, 0.75);
    --bg-glass: rgba(18, 28, 48, 0.65);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(56, 189, 248, 0.3);
    
    --primary: #06b6d4;
    --primary-glow: rgba(6, 182, 212, 0.25);
    --secondary: #8b5cf6;
    --accent: #38bdf8;
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --danger: #f43f5e;
    --danger-bg: rgba(244, 63, 94, 0.15);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --transition-fast: 0.15s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(circle at 15% 10%, rgba(14, 165, 233, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* ==========================================================================
   Topbar & Navigation
   ========================================================================== */

.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(8, 12, 20, 0.85);
    border-bottom: 1px solid var(--border-glass);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--primary-glow);
}

.brand-icon svg {
    width: 22px;
    height: 22px;
    fill: white;
}

.brand-text h1 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-badge {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(6, 182, 212, 0.12);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(6, 182, 212, 0.3);
    margin-left: 6px;
}

.topbar-stats {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-glass);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
}

.stat-pill-label {
    color: var(--text-muted);
}

.stat-pill-value {
    font-weight: 700;
    color: var(--text-main);
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
    animation: pulse-glow 2s infinite;
}

.pulse-indicator.offline {
    background: var(--danger);
    box-shadow: 0 0 10px var(--danger);
    animation: none;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.2); }
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface-elevated);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.btn:hover {
    background: rgba(30, 41, 59, 0.9);
    border-color: var(--border-glass-hover);
    color: var(--accent);
}

.btn-primary {
    background: linear-gradient(135deg, #0284c7, #0369a1);
    border: none;
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    box-shadow: 0 0 16px var(--primary-glow);
}

/* ==========================================================================
   Layout: Sidebar + Main Content
   ========================================================================== */

.app-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    flex: 1;
    min-height: calc(100vh - 63px);
}

@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Sidebar: Fleet & Machines List
   ========================================================================== */

.sidebar {
    background: var(--bg-surface);
    border-right: 1px solid var(--border-glass);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.search-box {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    background: var(--bg-base);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 8px 12px 8px 34px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: var(--transition-fast);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-dim);
}

.machines-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    max-height: calc(100vh - 220px);
}

.machine-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 14px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.machine-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-glass-hover);
    background: var(--bg-surface-elevated);
}

.machine-card.active {
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
    background: rgba(6, 182, 212, 0.08);
}

.machine-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.machine-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}

.badge-status {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.badge-status.online {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-status.offline {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-dim);
    border: 1px solid var(--border-glass);
}

.machine-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.machine-bars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 4px;
}

.mini-bar-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mini-bar-label {
    font-size: 10px;
    color: var(--text-dim);
    display: flex;
    justify-content: space-between;
}

.mini-bar-track {
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.mini-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */

.content {
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow-y: auto;
}

/* Banner Notifica Connessione DB */
.db-alert-banner {
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.04));
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: #fde68a;
}

.db-alert-banner svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    color: var(--warning);
}

/* Hero / Selected Machine Header */
.host-banner {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(16px);
}

.host-info-group {
    display: flex;
    align-items: center;
    gap: 18px;
}

.host-avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid var(--border-glass-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.host-avatar svg {
    width: 30px;
    height: 30px;
}

.host-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.host-sub {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 4px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.host-sub-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ==========================================================================
   Metrics Cards Grid (Vitals)
   ========================================================================== */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.metric-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
}

.metric-card:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-2px);
}

.metric-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.metric-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-icon-wrap {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-value-wrap {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.metric-big-value {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1;
}

.metric-unit {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.metric-progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.metric-progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

.metric-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-dim);
}

/* ==========================================================================
   Charts Grid
   ========================================================================== */

.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

@media (max-width: 1200px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    backdrop-filter: blur(16px);
}

.chart-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chart-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
}

.chart-canvas-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
}

/* ==========================================================================
   Tables & Process Explorer
   ========================================================================== */

.card-section {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    backdrop-filter: blur(16px);
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

th {
    padding: 10px 14px;
    color: var(--text-dim);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-glass);
}

td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-main);
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.proc-name {
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 6px;
}

.proc-pid {
    font-family: var(--font-mono);
    color: var(--text-muted);
}

/* JSON Viewer Accordion */
.raw-json-block {
    background: #050811;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 16px;
    max-height: 400px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 12px;
    color: #38bdf8;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Modal Installa Sonda */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal-card {
    background: #0f172a;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 620px;
    padding: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

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

.modal-close:hover {
    color: var(--text-main);
}

.install-command-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 14px;
}

.install-command-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
}

.command-box {
    background: #060913;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--neon-cyan);
    word-break: break-all;
    user-select: all;
}

.copy-cmd-btn {
    background: rgba(14, 165, 233, 0.15);
    border: 1px solid rgba(14, 165, 233, 0.3);
    color: var(--neon-cyan);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-cmd-btn:hover {
    background: rgba(14, 165, 233, 0.3);
    transform: translateY(-1px);
}