/* AO-NVR Enterprise CCTV UI — main.css */
:root {
  --nvr-bg: #050810;
  --nvr-surface: #0c1120;
  --nvr-surface2: #111827;
  --nvr-border: rgba(255,255,255,0.07);
  --nvr-border-active: rgba(59,130,246,0.5);
  --nvr-blue: #3b82f6;
  --nvr-blue-glow: rgba(59,130,246,0.2);
  --nvr-green: #10b981;
  --nvr-red: #ef4444;
  --nvr-amber: #f59e0b;
  --nvr-text: #e2e8f0;
  --nvr-muted: #64748b;
  --nvr-accent: #06b6d4;
  --nvr-cam-bg: #000;
  --sidebar-w: 220px;
  --header-h: 56px;
  --cam-gap: 3px;
}

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

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--nvr-bg);
  color: var(--nvr-text);
  overflow: hidden;
  user-select: none;
}

/* ── Login Screen ─────────────────────────────────────────────────────────── */
#loginScreen {
  position: fixed; inset: 0; z-index: 200;
  background: radial-gradient(ellipse at 30% 40%, #0f1f3d 0%, #050810 70%);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 32px;
}
.login-card {
  background: rgba(12,17,32,0.9);
  border: 1px solid var(--nvr-border-active);
  border-radius: 16px;
  padding: 40px 44px;
  width: 400px;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 60px rgba(59,130,246,0.12), 0 24px 64px rgba(0,0,0,0.6);
}
.login-logo {
  display: flex; align-items: center; gap: 14px; margin-bottom: 28px;
}
.login-logo .logo-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, #1d4ed8, #0891b2);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 18px; color: #fff;
  box-shadow: 0 0 24px rgba(59,130,246,0.4);
}
.login-logo .logo-text h1 { font-size: 17px; font-weight: 700; color: #fff; }
.login-logo .logo-text p { font-size: 11px; color: var(--nvr-accent); font-family: monospace; letter-spacing: 1px; }
.login-field { margin-bottom: 16px; }
.login-field label { display: block; font-size: 11px; color: var(--nvr-muted); font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 7px; }
.login-field input {
  width: 100%; padding: 11px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--nvr-border);
  border-radius: 8px; color: #fff; font-size: 14px;
  outline: none; transition: border-color .2s, box-shadow .2s;
}
.login-field input:focus {
  border-color: var(--nvr-blue);
  box-shadow: 0 0 0 3px var(--nvr-blue-glow);
}
.login-btn {
  width: 100%; padding: 12px;
  background: linear-gradient(135deg, #1d4ed8, #0891b2);
  border: none; border-radius: 8px; color: #fff;
  font-size: 14px; font-weight: 700; letter-spacing: 0.5px;
  cursor: pointer; margin-top: 8px;
  transition: opacity .2s, transform .1s;
}
.login-btn:hover { opacity: .9; transform: translateY(-1px); }
.login-btn:active { transform: translateY(0); }
.login-error {
  color: var(--nvr-red); font-size: 12px; margin-top: 10px;
  text-align: center; min-height: 18px;
}
.login-badge {
  display: flex; align-items: center; gap: 6px;
  font-size: 10px; color: var(--nvr-muted); font-family: monospace;
  justify-content: center;
}
.login-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--nvr-green); animation: pulse 2s infinite; }

/* ── App Shell ────────────────────────────────────────────────────────────── */
#appShell {
  display: none; height: 100vh;
  flex-direction: column;
}
#appShell.visible { display: flex; }

/* ── Header ──────────────────────────────────────────────────────────────── */
#header {
  height: var(--header-h);
  background: var(--nvr-surface);
  border-bottom: 1px solid var(--nvr-border);
  display: flex; align-items: center;
  padding: 0 16px 0 0;
  gap: 0; flex-shrink: 0; z-index: 50;
}
.header-brand {
  width: var(--sidebar-w);
  display: flex; align-items: center; gap: 10px;
  padding: 0 16px; border-right: 1px solid var(--nvr-border);
  height: 100%; flex-shrink: 0;
}
.brand-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #1d4ed8, #0891b2);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 13px; color: #fff;
}
.brand-text { line-height: 1.2; }
.brand-text .name { font-size: 13px; font-weight: 700; color: #fff; }
.brand-text .sub { font-size: 10px; color: var(--nvr-accent); font-family: monospace; }
.header-center { flex: 1; display: flex; align-items: center; gap: 12px; padding: 0 20px; }
.sys-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--nvr-green); font-family: monospace;
}
.sys-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--nvr-green); animation: pulse 2s infinite; }
.header-clock { margin-left: auto; font-family: monospace; font-size: 13px; font-weight: 600; color: var(--nvr-accent); letter-spacing: 1px; }
.header-actions { display: flex; align-items: center; gap: 8px; padding-left: 16px; }
.hbtn {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--nvr-border);
  border-radius: 8px; padding: 7px 12px;
  color: var(--nvr-text); font-size: 12px; font-weight: 500;
  cursor: pointer; transition: all .2s; display: flex; align-items: center; gap: 6px;
}
.hbtn:hover { background: rgba(59,130,246,0.15); border-color: var(--nvr-border-active); color: #fff; }
.hbtn.danger:hover { background: rgba(239,68,68,0.15); border-color: rgba(239,68,68,0.4); color: var(--nvr-red); }
.hbtn svg { width: 14px; height: 14px; }

/* ── Body Layout ─────────────────────────────────────────────────────────── */
#body { flex: 1; display: flex; overflow: hidden; }

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  background: var(--nvr-surface);
  border-right: 1px solid var(--nvr-border);
  display: flex; flex-direction: column;
  overflow: hidden; flex-shrink: 0;
}
.sidebar-section { padding: 12px 10px 4px; }
.sidebar-section-label {
  font-size: 9px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--nvr-muted); font-weight: 600; padding: 0 6px; margin-bottom: 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 10px; border-radius: 8px; cursor: pointer;
  font-size: 13px; font-weight: 500; color: #94a3b8;
  transition: all .15s; margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-item.active { background: rgba(59,130,246,0.15); color: var(--nvr-blue); border: 1px solid rgba(59,130,246,0.2); }
.nav-item svg { width: 15px; height: 15px; flex-shrink: 0; }
.nav-badge {
  margin-left: auto; background: var(--nvr-red);
  color: #fff; font-size: 10px; font-weight: 700;
  padding: 1px 6px; border-radius: 10px; min-width: 18px; text-align: center;
}
.nav-badge.green { background: var(--nvr-green); }
.sidebar-divider { border: none; border-top: 1px solid var(--nvr-border); margin: 8px 10px; }

/* Camera list in sidebar */
.cam-list { flex: 1; overflow-y: auto; padding: 0 10px 10px; }
.cam-list::-webkit-scrollbar { width: 4px; }
.cam-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
.cam-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 8px; border-radius: 7px; cursor: pointer;
  font-size: 12px; margin-bottom: 2px;
  border: 1px solid transparent; transition: all .15s;
}
.cam-item:hover { background: rgba(255,255,255,0.04); border-color: var(--nvr-border); }
.cam-item.selected { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); }
.cam-status-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.cam-status-dot.online, .cam-status-dot.recording { background: var(--nvr-green); animation: pulse 3s infinite; }
.cam-status-dot.offline { background: var(--nvr-red); }
.cam-status-dot.warning { background: var(--nvr-amber); }
.cam-item-name { flex: 1; color: #cbd5e1; line-height: 1.3; }
.cam-item-loc { font-size: 10px; color: var(--nvr-muted); }
.cam-item-rec { font-size: 9px; color: var(--nvr-red); font-family: monospace; font-weight: 700; letter-spacing: 0.5px; }

/* ── Main Content Area ───────────────────────────────────────────────────── */
#main { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: #000; }

/* ── View Container ─────────────────────────────────────────────────────── */
.view { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.view.active { display: flex; }

/* ── Live Grid View ─────────────────────────────────────────────────────── */
#liveView { background: #080c14; }
.live-toolbar {
  height: 42px; background: var(--nvr-surface); border-bottom: 1px solid var(--nvr-border);
  display: flex; align-items: center; padding: 0 14px; gap: 10px; flex-shrink: 0;
}
.live-toolbar-label { font-size: 11px; color: var(--nvr-muted); font-weight: 600; }
.grid-btn {
  padding: 4px 10px; border-radius: 5px; border: 1px solid var(--nvr-border);
  background: transparent; color: var(--nvr-muted); font-size: 11px; font-weight: 600;
  cursor: pointer; transition: all .15s;
}
.grid-btn:hover, .grid-btn.active { background: rgba(59,130,246,0.2); border-color: var(--nvr-blue); color: var(--nvr-blue); }
.live-toolbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* Camera Grid */
#cameraGrid {
  flex: 1; display: grid; overflow: hidden;
  gap: var(--cam-gap); padding: var(--cam-gap);
  background: #020408;
}
.grid-1x1 { grid-template-columns: 1fr; }
.grid-2x2 { grid-template-columns: repeat(2, 1fr); }
.grid-3x3 { grid-template-columns: repeat(3, 1fr); }
.grid-4x4 { grid-template-columns: repeat(4, 1fr); }
.grid-2x1 { grid-template-columns: repeat(2, 1fr); grid-template-rows: 1fr; }
.grid-3x2 { grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(2, 1fr); }

/* Camera Cell */
.cam-cell {
  position: relative; background: var(--nvr-cam-bg);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: border-color .2s;
}
.cam-cell:hover { border-color: rgba(59,130,246,0.4); }
.cam-cell.selected { border-color: var(--nvr-blue); border-width: 2px; }
.cam-cell.fullscreen-cam { position: fixed; inset: var(--header-h) 0 0 0; z-index: 100; border-radius: 0; border: none; }

/* Camera video/placeholder */
.cam-video-wrap {
  width: 100%; height: 100%; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.cam-placeholder {
  width: 100%; height: 100%; position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0a0f1e 0%, #050810 100%);
}
.cam-placeholder svg { width: 36px; height: 36px; color: rgba(255,255,255,0.12); margin-bottom: 8px; }
.cam-placeholder .no-signal { font-size: 11px; color: rgba(255,255,255,0.15); font-family: monospace; letter-spacing: 1px; }

/* Scan line animation for cameras */
.cam-scanline::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: linear-gradient(90deg, transparent, rgba(59,130,246,0.4), transparent);
  animation: scanline 4s linear infinite;
  pointer-events: none;
}
@keyframes scanline { 0% { transform: translateY(0); } 100% { transform: translateY(var(--cell-h, 300px)); } }

/* Camera HUD overlay */
.cam-hud {
  position: absolute; inset: 0; pointer-events: none;
}
.cam-hud-top {
  position: absolute; top: 0; left: 0; right: 0;
  padding: 6px 8px; display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, transparent 100%);
}
.cam-hud-bottom {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 6px 8px; display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 100%);
}
.cam-name { font-size: 10px; font-weight: 700; color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,0.8); letter-spacing: 0.3px; }
.cam-rec-badge {
  display: flex; align-items: center; gap: 4px;
  background: rgba(239,68,68,0.85);
  padding: 2px 6px; border-radius: 3px;
  font-size: 9px; font-weight: 700; color: #fff; font-family: monospace;
  letter-spacing: 0.5px;
}
.cam-rec-dot { width: 5px; height: 5px; border-radius: 50%; background: #fff; animation: pulse 1s infinite; }
.cam-timestamp { font-size: 9px; color: rgba(255,255,255,0.75); font-family: monospace; }
.cam-res-badge { font-size: 9px; color: rgba(255,255,255,0.5); font-family: monospace; }
.cam-ptz-badge {
  font-size: 9px; background: rgba(6,182,212,0.3); border: 1px solid rgba(6,182,212,0.4);
  color: var(--nvr-accent); padding: 1px 5px; border-radius: 3px;
}
.cam-hud-actions {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  display: none; gap: 8px;
}
.cam-cell:hover .cam-hud-actions { display: flex; }
.cam-action-btn {
  background: rgba(0,0,0,0.7); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; pointer-events: all; transition: all .15s; color: #fff;
}
.cam-action-btn:hover { background: rgba(59,130,246,0.5); border-color: var(--nvr-blue); }
.cam-action-btn svg { width: 13px; height: 13px; }

/* ── Playback View ───────────────────────────────────────────────────────── */
#playbackView { background: #040810; }
.playback-layout { flex: 1; display: flex; overflow: hidden; }
.playback-player { flex: 1; display: flex; flex-direction: column; }
.playback-screen {
  flex: 1; background: #000; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.playback-controls {
  height: 56px; background: var(--nvr-surface); border-top: 1px solid var(--nvr-border);
  display: flex; align-items: center; padding: 0 16px; gap: 12px; flex-shrink: 0;
}
.pb-btn {
  background: rgba(255,255,255,0.06); border: 1px solid var(--nvr-border);
  border-radius: 6px; width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--nvr-text); transition: all .15s;
}
.pb-btn:hover { background: rgba(59,130,246,0.2); border-color: var(--nvr-blue); color: #fff; }
.pb-btn svg { width: 14px; height: 14px; }
.pb-time { font-family: monospace; font-size: 12px; color: var(--nvr-text); }
.pb-timeline-wrap { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.pb-timeline-label { font-size: 10px; color: var(--nvr-muted); }
.pb-timeline {
  height: 20px; background: rgba(255,255,255,0.06); border-radius: 10px;
  position: relative; cursor: pointer; overflow: hidden;
}
.pb-timeline-fill {
  height: 100%; background: linear-gradient(90deg, #1d4ed8, #0891b2);
  border-radius: 10px; transition: width .1s; position: relative;
}
.pb-timeline-block {
  position: absolute; top: 0; bottom: 0; background: rgba(59,130,246,0.4);
  border-left: 1px solid rgba(59,130,246,0.6); cursor: pointer;
}
.pb-timeline-block.motion { background: rgba(239,68,68,0.35); border-color: rgba(239,68,68,0.5); }
.pb-timeline-head {
  position: absolute; top: -2px; bottom: -2px; width: 3px;
  background: #fff; border-radius: 2px; pointer-events: none;
}
.pb-speed {
  padding: 4px 8px; background: rgba(255,255,255,0.06); border: 1px solid var(--nvr-border);
  border-radius: 5px; font-size: 11px; color: var(--nvr-text); cursor: pointer;
}
.playback-sidebar {
  width: 260px; border-left: 1px solid var(--nvr-border);
  background: var(--nvr-surface); display: flex; flex-direction: column; overflow: hidden;
}
.pb-sidebar-header { padding: 12px 14px; border-bottom: 1px solid var(--nvr-border); }
.pb-sidebar-title { font-size: 12px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.pb-cam-select, .pb-date-input {
  width: 100%; padding: 7px 10px; margin-bottom: 8px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--nvr-border);
  border-radius: 6px; color: #fff; font-size: 12px; outline: none;
}
.pb-cam-select:focus, .pb-date-input:focus { border-color: var(--nvr-blue); }
.pb-recording-list { flex: 1; overflow-y: auto; padding: 8px; }
.pb-recording-list::-webkit-scrollbar { width: 4px; }
.pb-recording-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
.pb-rec-item {
  padding: 9px 10px; border-radius: 7px; cursor: pointer;
  border: 1px solid transparent; margin-bottom: 4px; transition: all .15s;
}
.pb-rec-item:hover { background: rgba(255,255,255,0.04); border-color: var(--nvr-border); }
.pb-rec-item.active { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); }
.pb-rec-time { font-size: 11px; font-weight: 700; color: #fff; font-family: monospace; }
.pb-rec-meta { font-size: 10px; color: var(--nvr-muted); margin-top: 2px; }
.pb-rec-type { font-size: 9px; padding: 1px 6px; border-radius: 3px; font-weight: 700; }
.pb-rec-type.continuous { background: rgba(59,130,246,0.2); color: var(--nvr-blue); }
.pb-rec-type.motion { background: rgba(239,68,68,0.2); color: var(--nvr-red); }

/* ── Panel Pages (Cameras, Storage, Users, Audit, Settings) ──────────────── */
.panel-view { flex: 1; overflow-y: auto; padding: 24px; background: #060a14; }
.panel-view::-webkit-scrollbar { width: 5px; }
.panel-view::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.panel-title { font-size: 20px; font-weight: 800; color: #fff; }
.panel-subtitle { font-size: 13px; color: var(--nvr-muted); margin-top: 3px; }
.panel-actions { display: flex; gap: 8px; }
.btn-primary {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 16px; background: var(--nvr-blue); border: none;
  border-radius: 8px; color: #fff; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.btn-primary:hover { background: #2563eb; box-shadow: 0 4px 15px rgba(59,130,246,0.3); }
.btn-secondary {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 16px; background: rgba(255,255,255,0.07); border: 1px solid var(--nvr-border);
  border-radius: 8px; color: var(--nvr-text); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); color: #fff; }
.btn-primary svg, .btn-secondary svg { width: 14px; height: 14px; }

/* Stats Row */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.stat-card {
  background: var(--nvr-surface2); border: 1px solid var(--nvr-border);
  border-radius: 12px; padding: 18px 20px;
}
.stat-card-label { font-size: 11px; color: var(--nvr-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card-value { font-size: 28px; font-weight: 800; color: #fff; margin: 6px 0 4px; line-height: 1; }
.stat-card-sub { font-size: 12px; color: var(--nvr-muted); }
.stat-card-icon { margin-bottom: 10px; }
.stat-card-icon svg { width: 20px; height: 20px; }
.stat-online .stat-card-icon svg, .stat-online .stat-card-value { color: var(--nvr-green); }
.stat-offline .stat-card-value { color: var(--nvr-red); }
.stat-recording .stat-card-value { color: var(--nvr-blue); }

/* Table */
.nvr-table-wrap { background: var(--nvr-surface2); border: 1px solid var(--nvr-border); border-radius: 12px; overflow: hidden; }
.nvr-table { width: 100%; border-collapse: collapse; }
.nvr-table thead th {
  text-align: left; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px; color: var(--nvr-muted);
  padding: 12px 16px; border-bottom: 1px solid var(--nvr-border);
  background: rgba(0,0,0,0.2);
}
.nvr-table tbody tr { border-bottom: 1px solid var(--nvr-border); transition: background .15s; }
.nvr-table tbody tr:last-child { border-bottom: none; }
.nvr-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.nvr-table td { padding: 12px 16px; font-size: 13px; color: var(--nvr-text); vertical-align: middle; }
.nvr-table .badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 5px; font-size: 11px; font-weight: 700;
}
.badge.online, .badge.recording { background: rgba(16,185,129,0.15); color: var(--nvr-green); }
.badge.offline { background: rgba(239,68,68,0.15); color: var(--nvr-red); }
.badge.warning { background: rgba(245,158,11,0.15); color: var(--nvr-amber); }
.badge.blue { background: rgba(59,130,246,0.15); color: var(--nvr-blue); }
.badge .badge-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.tbl-action { cursor: pointer; padding: 5px; border-radius: 5px; color: var(--nvr-muted); transition: all .15s; background: none; border: none; }
.tbl-action:hover { background: rgba(255,255,255,0.08); color: #fff; }
.tbl-action svg { width: 13px; height: 13px; }

/* Storage gauge */
.storage-gauge-wrap { background: var(--nvr-surface2); border: 1px solid var(--nvr-border); border-radius: 12px; padding: 20px; margin-bottom: 14px; }
.gauge-bar { height: 12px; background: rgba(255,255,255,0.08); border-radius: 6px; overflow: hidden; margin: 10px 0; }
.gauge-fill { height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--nvr-blue), var(--nvr-accent)); transition: width 1s ease; }
.gauge-fill.warn { background: linear-gradient(90deg, var(--nvr-amber), var(--nvr-red)); }

/* Dashboard cards */
.dash-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; margin-bottom: 16px; }
.dash-card { background: var(--nvr-surface2); border: 1px solid var(--nvr-border); border-radius: 12px; padding: 18px; }
.dash-card-title { font-size: 12px; font-weight: 700; color: var(--nvr-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 14px; }

/* Alert banner */
.nvr-alert {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 8px; font-size: 12px;
  margin-bottom: 10px;
}
.nvr-alert.warn { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: var(--nvr-amber); }
.nvr-alert.info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: var(--nvr-blue); }
.nvr-alert svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Modal */
.nvr-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: none; align-items: center; justify-content: center; z-index: 500;
  backdrop-filter: blur(4px);
}
.nvr-modal-overlay.open { display: flex; }
.nvr-modal {
  background: var(--nvr-surface); border: 1px solid var(--nvr-border-active);
  border-radius: 14px; width: 540px; max-height: 85vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.8);
}
.modal-header {
  padding: 18px 20px; border-bottom: 1px solid var(--nvr-border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 15px; font-weight: 700; color: #fff; }
.modal-close { background: none; border: none; color: var(--nvr-muted); cursor: pointer; transition: color .15s; }
.modal-close:hover { color: #fff; }
.modal-close svg { width: 18px; height: 18px; }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--nvr-border); display: flex; gap: 8px; justify-content: flex-end; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 11px; color: var(--nvr-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.form-group input, .form-group select, .form-group textarea {
  padding: 9px 12px; background: rgba(255,255,255,0.05); border: 1px solid var(--nvr-border);
  border-radius: 7px; color: #fff; font-size: 13px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--nvr-blue); box-shadow: 0 0 0 3px var(--nvr-blue-glow);
}
.form-group select option { background: #1e293b; }

/* Notification toast */
#toastContainer { position: fixed; bottom: 20px; right: 20px; z-index: 900; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 12px 16px; border-radius: 10px; font-size: 13px; font-weight: 500;
  color: #fff; display: flex; align-items: center; gap: 8px; min-width: 260px;
  animation: slideIn .3s ease; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.toast.success { background: rgba(16,185,129,0.9); border: 1px solid rgba(16,185,129,0.4); }
.toast.error { background: rgba(239,68,68,0.9); border: 1px solid rgba(239,68,68,0.4); }
.toast.info { background: rgba(59,130,246,0.9); border: 1px solid rgba(59,130,246,0.4); }
.toast svg { width: 15px; height: 15px; flex-shrink: 0; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Discovery scan result */
.discovery-result {
  padding: 10px 12px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--nvr-border); background: rgba(255,255,255,0.03);
  margin-bottom: 8px; transition: all .15s;
}
.discovery-result:hover { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.4); }
.discovery-result .dr-ip { font-size: 13px; font-weight: 700; color: #fff; font-family: monospace; }
.discovery-result .dr-meta { font-size: 11px; color: var(--nvr-muted); margin-top: 3px; }
.discovery-result .dr-badge { float: right; font-size: 9px; padding: 2px 7px; border-radius: 4px; font-weight: 700; }
.dr-badge.new { background: rgba(16,185,129,0.2); color: var(--nvr-green); border: 1px solid rgba(16,185,129,0.3); }
.dr-badge.added { background: rgba(100,116,139,0.2); color: var(--nvr-muted); border: 1px solid var(--nvr-border); }

/* Animations */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn .3s ease; }

/* Scrollbar global */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* Responsive */
@media (max-width: 900px) {
  :root { --sidebar-w: 60px; }
  .nav-item span, .brand-text, .sidebar-section-label, .cam-item-name, .cam-item-loc { display: none; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
}