/* ================================================================
   BACsniff - Stylesheet
   ================================================================ */

:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a2332;
    --bg-tertiary: #243447;
    --bg-card: #1e2d3d;
    --border: #2d4a5e;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #5f6b7a;
    --accent: #00b8d4;
    --accent-dim: #007c91;
    --success: #00c853;
    --warning: #ffd600;
    --error: #ff5252;
    --info: #448aff;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

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

html, body {
    height: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
}

/* ---- Layout ---- */
#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

header .logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
}

header .logo span {
    color: var(--text-secondary);
    font-weight: 400;
}

header .status-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 13px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}
.status-dot.active { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.warning { background: var(--warning); }
.status-dot.error { background: var(--error); }

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ---- Sidebar ---- */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow-y: auto;
}

.sidebar-section {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-section h3 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.15s;
    font-size: 13px;
}
.nav-item:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.nav-item.active { background: var(--accent-dim); color: white; }

.nav-item .badge {
    margin-left: auto;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}
.nav-item.active .badge { background: rgba(255,255,255,0.2); color: white; }

/* Controls */
.control-group {
    margin-bottom: 10px;
}
.control-group label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.control-group select,
.control-group input {
    width: 100%;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: var(--font-sans);
}
.control-group select:focus,
.control-group input:focus {
    outline: none;
    border-color: var(--accent);
}

/* ---- Buttons ---- */
.btn {
    padding: 6px 14px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font-sans);
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn:hover { background: var(--border); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #000; font-weight: 600; }
.btn-primary:hover { background: #00d4f5; }
.btn-success { background: var(--success); border-color: var(--success); color: #000; font-weight: 600; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #000; }
.btn-sm { padding: 3px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ---- Panels ---- */
.content-area {
    flex: 1;
    overflow: auto;
    padding: 20px;
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.panel-header h2 {
    font-size: 14px;
    font-weight: 600;
}

.panel-body {
    padding: 16px;
}

.panel-body.no-pad {
    padding: 0;
    overflow-x: auto;
}

/* ---- Stats Grid ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

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

.stat-card .stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* ---- Tables ---- */
table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    text-align: left;
    padding: 8px 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1;
}

table td {
    padding: 7px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 13px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    white-space: nowrap;
}

table tr:hover td {
    background: rgba(255,255,255,0.03);
    color: var(--text-primary);
}

table .clickable { cursor: pointer; }
table .clickable:hover { color: var(--accent); }

/* ---- Packet Feed ---- */
.packet-feed {
    max-height: 500px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 12px;
}

.packet-row {
    display: flex;
    gap: 8px;
    padding: 4px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    align-items: baseline;
}
.packet-row:hover { background: rgba(255,255,255,0.03); }

.packet-time { color: var(--text-muted); width: 80px; flex-shrink: 0; }
.packet-src { color: var(--info); width: 150px; flex-shrink: 0; }
.packet-dst { color: var(--text-secondary); width: 150px; flex-shrink: 0; }
.packet-arrow { color: var(--text-muted); width: 20px; flex-shrink: 0; text-align: center; }
.packet-service {
    font-weight: 600;
    width: 120px;
    flex-shrink: 0;
}
.packet-detail { color: var(--text-secondary); flex: 1; overflow: hidden; text-overflow: ellipsis; }

.svc-iam { color: var(--success); }
.svc-whois { color: var(--warning); }
.svc-read { color: var(--info); }
.svc-write { color: var(--error); }
.svc-cov { color: #ab47bc; }
.svc-ack { color: var(--text-muted); }
.svc-error { color: var(--error); }
.svc-router { color: #ff9800; font-weight: 600; }

/* ---- Device Detail ---- */
.device-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.detail-item {
    padding: 8px 0;
}

.detail-item .label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-item .value {
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin-top: 2px;
}

/* ---- Tabs ---- */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.tab {
    padding: 10px 20px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 13px;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ---- Views (shown/hidden) ---- */
.view { display: none; }
.view.active { display: block; }

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}
.empty-state p {
    font-size: 14px;
    max-width: 400px;
    margin: 0 auto 20px;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

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

.toast {
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    max-width: 350px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.info { border-left: 3px solid var(--info); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ---- Point info in packet feed ---- */
.packet-point {
    display: inline-block;
    margin-left: 8px;
    padding: 1px 6px;
    background: rgba(0, 188, 212, 0.08);
    border-left: 2px solid var(--accent);
    border-radius: 2px;
    font-size: 11px;
}
.point-device {
    color: var(--text-muted);
    font-size: 10px;
}
.point-name {
    color: var(--accent);
    font-weight: 600;
}
.point-value {
    color: var(--success);
    font-weight: 700;
}
.point-units {
    color: var(--text-muted);
    font-size: 10px;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar { width: 200px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}