/* ============================================================
   Network Security Lab - Dashboard Theme
   Dark cybersecurity aesthetic with glassmorphism accents
   ============================================================ */

:root {
    --bg-primary: #0a0e17;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --bg-input: #0d1117;
    --border: #1e293b;
    --border-light: #2d3a4d;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-amber: #f59e0b;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
    --radius: 12px;
    --radius-sm: 8px;
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 13px;
    line-height: 1.5;
}

.mono { font-family: var(--font-mono); font-size: 12px; }
.danger { color: var(--accent-red) !important; }
.safe { color: var(--accent-green) !important; }
.hidden { display: none !important; }

/* ---- Scrollbars ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ============================================================
   Header
   ============================================================ */

#dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: linear-gradient(180deg, rgba(17,24,39,0.95), rgba(10,14,23,0.95));
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    height: 52px;
}

#dashboard-header h1 {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: -0.3px;
}

.header-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: 12px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

#network-info {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.info-sep { color: var(--border-light); }

#connection-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-connecting {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-connected {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-disconnected {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ============================================================
   Main Grid
   ============================================================ */

#dashboard-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    grid-template-rows: 1fr 1fr;
    gap: 12px;
    padding: 12px;
    height: calc(100vh - 48px - 52px);
}

/* Panel base style */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.panel-header h2 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.badge {
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge-inactive {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
    border-color: var(--border);
}

.badge-active {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border-color: rgba(239, 68, 68, 0.3);
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.btn-small {
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.15s;
}

.btn-small:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

/* ============================================================
   Topology Map
   ============================================================ */

#topology-container {
    grid-row: 1 / 3;
}

#topology-map {
    flex: 1;
    position: relative;
    min-height: 0;
}

/* ============================================================
   Security Score
   ============================================================ */

#score-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#score-gauge {
    flex: 1;
    width: 100%;
    min-height: 0;
}

#score-breakdown {
    padding: 8px 14px;
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
}

/* ============================================================
   Activity Feed
   ============================================================ */

#activity-feed {
    flex: 1;
    overflow-y: auto;
    padding: 6px 10px;
    min-height: 0;
}

.feed-entry {
    padding: 4px 8px;
    margin-bottom: 2px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 1.4;
    display: flex;
    gap: 8px;
    transition: background 0.15s;
}

.feed-entry:hover {
    background: var(--bg-card-hover);
}

.feed-time {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
    flex-shrink: 0;
    min-width: 65px;
}

.feed-msg { color: var(--text-secondary); }

.feed-entry.feed-critical .feed-msg {
    color: var(--accent-red);
    font-weight: 600;
}

.feed-entry.feed-success .feed-msg {
    color: var(--accent-green);
}

.feed-entry.feed-warning .feed-msg {
    color: var(--accent-amber);
}

.feed-entry.feed-info .feed-msg {
    color: var(--accent-blue);
}

/* ============================================================
   Educational Panel
   ============================================================ */

#education-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}

.edu-tab {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.15s;
}

.edu-tab:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.edu-tab.active {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    border-color: rgba(59, 130, 246, 0.3);
}

#education-canvas {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 12px;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

#education-canvas svg {
    max-width: 100%;
    flex-shrink: 0;
}

/* ============================================================
   Attack Dashboard
   ============================================================ */

#attack-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr 1fr;
    gap: 8px;
    padding: 10px;
    min-height: 0;
    overflow: hidden;
}

#traffic-chart-wrap { grid-column: 1; }
#traffic-stats { grid-column: 2; display: flex; flex-direction: column; gap: 6px; }

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 4px 8px;
    border-radius: 6px;
    background: var(--bg-input);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 50px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
}

.stat-danger .stat-value { color: var(--accent-red); }
.stat-safe .stat-value { color: var(--accent-green); }

.scrollable-list {
    grid-column: 1 / -1;
    overflow-y: auto;
    min-height: 0;
}

.scrollable-list h3 {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    position: sticky;
    top: 0;
    background: var(--bg-card);
    padding: 2px 0;
    z-index: 1;
}

.scrollable-list .subtitle {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.list-entry {
    padding: 3px 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    border-radius: 3px;
    margin-bottom: 1px;
}

.list-entry:hover { background: var(--bg-card-hover); }
.list-entry.entry-danger { color: var(--accent-red); }
.list-entry.entry-cred {
    color: var(--accent-red);
    font-weight: 600;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.list-entry-time {
    color: var(--text-muted);
    margin-right: 6px;
}

/* ============================================================
   Device Detail Overlay
   ============================================================ */

#device-detail-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

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

#device-detail-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
    width: min(900px, 90vw);
    max-height: 70vh;
    overflow-y: auto;
    padding: 20px 24px;
    animation: slideUp 0.25s ease;
    position: relative;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

#close-detail {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
}

#close-detail:hover { color: var(--text-primary); }

#device-detail-content h2 {
    font-size: 20px;
    font-family: var(--font-mono);
    margin-bottom: 16px;
    color: var(--accent-blue);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.detail-item {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
}

.detail-item .label {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.detail-item .value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.detail-section {
    margin-top: 16px;
}

.detail-section h3 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}

.port-tag {
    display: inline-block;
    padding: 2px 8px;
    margin: 2px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
}

.port-tag.risk-low { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.port-tag.risk-medium { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.port-tag.risk-high { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.port-tag.risk-critical { background: rgba(239,68,68,0.25); color: var(--accent-red); font-weight: 600; }

.vuln-entry {
    padding: 6px 10px;
    margin-bottom: 4px;
    border-radius: 6px;
    border-left: 3px solid;
}

.vuln-entry.sev-critical { border-color: var(--accent-red); background: rgba(239,68,68,0.06); }
.vuln-entry.sev-high { border-color: var(--accent-amber); background: rgba(245,158,11,0.06); }
.vuln-entry.sev-medium { border-color: #eab308; background: rgba(234,179,8,0.06); }

/* ============================================================
   Packet Animation Layer
   ============================================================ */

#packet-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1200px) {
    #dashboard-grid {
        grid-template-columns: 1fr;
        grid-template-rows: 400px auto auto auto auto;
    }
    #topology-container { grid-row: auto; }
}