/* ─── Reset & Vars ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-base: #0b1016;
  --bg-surface: #111822;
  --bg-elevated: #17202d;
  --bg-hover: #1c2838;
  --border: #243247;
  --border-bright: #35506f;
  --accent: #00d4ff;
  --accent-dim: rgba(0,212,255,0.12);
  --accent-glow: rgba(0,212,255,0.35);
  --green: #00e676;
  --yellow: #ffd600;
  --red: #ff3d71;
  --orange: #ff9500;
  --purple: #bd93f9;
  --text: #e2e8f0;
  --text-muted: #7b8aac;
  --text-dim: #4a5568;
  --sidebar-w: 220px;
  --topbar-h: 56px;
  --radius: 14px;
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Syne', sans-serif;
  --body-glow-a: rgba(0,212,255,0.1);
  --body-glow-b: rgba(0,230,118,0.06);
}

html { font-size: 16px; }
body {
  background:
    radial-gradient(circle at top right, var(--body-glow-a), transparent 24%),
    radial-gradient(circle at top left, var(--body-glow-b), transparent 20%),
    var(--bg-base);
  color: var(--text);
  font-family: var(--font-mono);
  min-height: 100vh;
  overflow-x: hidden;
}
body[data-theme-resolved="light"] {
  --bg-base: #eef4fb;
  --bg-surface: #f8fbff;
  --bg-elevated: #ffffff;
  --bg-hover: #e6f0fb;
  --border: #cdd9ea;
  --border-bright: #a8bfd9;
  --accent: #008fc4;
  --accent-dim: rgba(0,143,196,0.12);
  --accent-glow: rgba(0,143,196,0.28);
  --text: #16202c;
  --text-muted: #526377;
  --text-dim: #7e8da0;
  --body-glow-a: rgba(0,143,196,0.12);
  --body-glow-b: rgba(0,184,111,0.08);
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: var(--font-mono); border: none; background: none; }
input, select, textarea { font-family: var(--font-mono); }

/* ─── Hidden / Utility ────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.loading-text { color: var(--text-muted); padding: 40px; text-align: center; font-size: 0.9rem; }

/* ─── LOGIN ───────────────────────────────────────────────────────────────── */
.login-screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; background: var(--bg-base);
}
.login-bg {
  position: absolute; inset: 0; overflow: hidden;
}
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: gridShift 20s linear infinite;
}
@keyframes gridShift { from{background-position:0 0} to{background-position:40px 40px} }
.pulse-rings {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.ring {
  position: absolute; border-radius: 50%; border: 1px solid rgba(0,212,255,0.15);
  transform: translate(-50%,-50%); animation: ringPulse 4s ease-out infinite;
}
.r1 { width:300px;height:300px; animation-delay:0s; }
.r2 { width:600px;height:600px; animation-delay:1.3s; }
.r3 { width:900px;height:900px; animation-delay:2.6s; }
@keyframes ringPulse {
  0%{opacity:0.5;transform:translate(-50%,-50%) scale(0.8)}
  100%{opacity:0;transform:translate(-50%,-50%) scale(1.2)}
}
.login-card {
  position: relative; z-index: 2;
  background: var(--bg-surface);
  border: 1px solid var(--border-bright);
  border-radius: 16px;
  padding: 40px;
  width: 380px;
  max-width: 90vw;
  box-shadow: 0 0 60px rgba(0,212,255,0.08), 0 20px 60px rgba(0,0,0,0.5);
  animation: cardIn 0.5s ease;
}
@keyframes cardIn { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:none} }
.login-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.4rem;
  color: var(--accent); margin-bottom: 24px;
}
.login-logo strong { color: var(--text); }
.login-card h2 {
  font-family: var(--font-display); font-size: 1.5rem;
  font-weight: 800; margin-bottom: 6px;
}
.login-sub { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 28px; }
.field-group { margin-bottom: 16px; }
.field-group label {
  display: block; font-size: 0.75rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px;
}
.field-group input {
  width: 100%; padding: 10px 14px;
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-size: 0.9rem; transition: border 0.2s, box-shadow 0.2s;
}
.field-group input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.login-error {
  color: var(--red); font-size: 0.8rem; margin-bottom: 12px;
  min-height: 18px;
}
.login-footer {
  text-align: center; color: var(--text-dim);
  font-size: 0.7rem; margin-top: 20px; letter-spacing: 0.05em;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn-primary {
  width: 100%; padding: 12px;
  background: var(--accent); color: #000;
  border-radius: var(--radius); font-weight: 700;
  font-size: 0.9rem; letter-spacing: 0.05em;
  transition: opacity 0.2s, transform 0.1s;
}
.btn-primary:hover { opacity: 0.85; }
.btn-primary:active { transform: scale(0.98); }
.btn-primary.small { width: auto; padding: 8px 16px; font-size: 0.8rem; }
.btn-sm {
  min-height: 38px;
  padding: 7px 14px;
  background: rgba(23,32,45,0.9);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  font-size: 0.8rem;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.btn-sm:hover { background: var(--bg-hover); border-color: var(--accent); }
.btn-quiet {
  background: transparent;
  color: var(--text-muted);
}
.btn-quiet:hover {
  color: var(--text);
}
.btn-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text); font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.btn-icon:hover { background: var(--bg-hover); color: var(--accent); }
.btn-danger {
  padding: 6px 12px; background: rgba(255,61,113,0.12);
  border: 1px solid rgba(255,61,113,0.3); color: var(--red);
  border-radius: var(--radius); font-size: 0.75rem; transition: all 0.2s;
}
.btn-danger:hover { background: rgba(255,61,113,0.25); }

/* ─── APP LAYOUT ──────────────────────────────────────────────────────────── */
.app { display: flex; height: 100vh; overflow: hidden; }

/* ─── SIDEBAR ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w); height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: transform 0.3s, width 0.3s;
  flex-shrink: 0; z-index: 100;
  position: relative;
}
.sidebar.collapsed {
  width: 84px;
}
.sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 16px; border-bottom: 1px solid var(--border);
  height: var(--topbar-h);
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 1.1rem; color: var(--accent);
}
.logo strong { color: var(--text); }
.logo-text { white-space: nowrap; }
.sidebar-toggle {
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  padding: 6px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s;
}
.sidebar-toggle:hover {
  color: var(--accent);
  background: var(--bg-hover);
}
.menu-toggle-lines {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
  height: 18px;
}
.menu-toggle-lines span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.22s ease, opacity 0.18s ease;
}
.sidebar-toggle.is-active .menu-toggle-lines span:nth-child(1),
.mobile-menu-btn.is-active .menu-toggle-lines span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.sidebar-toggle.is-active .menu-toggle-lines span:nth-child(2),
.mobile-menu-btn.is-active .menu-toggle-lines span:nth-child(2) {
  opacity: 0;
}
.sidebar-toggle.is-active .menu-toggle-lines span:nth-child(3),
.mobile-menu-btn.is-active .menu-toggle-lines span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
.sidebar.collapsed .sidebar-header {
  padding-inline: 12px;
}
.sidebar.collapsed .logo-text,
.sidebar.collapsed .connection-status span:not(.status-dot),
.sidebar.collapsed #sidebar-username {
  display: none;
}
.sidebar.collapsed .nav-section > .nav-label {
  display: none !important;
}
.sidebar.collapsed .nav-item {
  justify-content: center;
  padding-inline: 0;
  min-height: 44px;
}
.sidebar.collapsed .nav-item > span:not(.badge) {
  display: none !important;
}
.sidebar.collapsed .nav-item.active::before {
  left: 8px;
  height: 44%;
}
.sidebar.collapsed .badge {
  position: absolute;
  top: 7px;
  right: 10px;
  margin-left: 0;
}
.sidebar.collapsed .sidebar-footer {
  display: none;
}
.sidebar.collapsed .nav-section {
  padding-top: 12px;
}
.sidebar.collapsed .logo {
  justify-content: center;
  width: 100%;
}
.sidebar-settings-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 12px;
  width: min(290px, calc(100vw - 24px));
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(53,80,111,0.28);
  background: rgba(10, 14, 22, 0.96);
  box-shadow: 0 22px 50px rgba(0,0,0,0.35);
  z-index: 130;
}
.settings-group + .settings-group {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(53,80,111,0.18);
}
.settings-heading {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.theme-option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.theme-option-btn {
  min-height: 38px;
  padding: 0 10px;
  border-radius: 12px;
  border: 1px solid rgba(53,80,111,0.22);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
  transition: border-color 0.18s, background 0.18s, color 0.18s;
}
.theme-option-btn:hover,
.theme-option-btn.is-active {
  border-color: rgba(0,212,255,0.4);
  background: rgba(0,212,255,0.12);
  color: var(--accent);
}
.settings-toggle-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  color: var(--text);
  text-align: left;
}
.settings-toggle-row strong {
  display: block;
  font-size: 0.82rem;
  margin-bottom: 3px;
}
.settings-toggle-row small {
  display: block;
  color: var(--text-muted);
  font-size: 0.72rem;
  line-height: 1.35;
}
.settings-switch {
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: rgba(123,138,172,0.28);
  position: relative;
  flex-shrink: 0;
  transition: background 0.18s;
}
.settings-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.18s ease;
}
.settings-switch.is-on {
  background: rgba(0,212,255,0.4);
}
.settings-switch.is-on::after {
  transform: translateX(18px);
}
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(3, 6, 11, 0.58);
  backdrop-filter: blur(4px);
}
.sidebar-backdrop.visible {
  display: block;
}

.nav-section { padding: 16px 0 8px; }
.nav-label {
  padding: 0 16px 6px;
  font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-dim);
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 0;
  color: var(--text-muted); font-size: 0.85rem;
  transition: background 0.15s, color 0.15s;
  position: relative; cursor: pointer;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active {
  background: var(--accent-dim); color: var(--accent);
}
.nav-item.active::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 60%; background: var(--accent);
  border-radius: 0 2px 2px 0;
}
.nav-icon {
  width: 18px; height: 18px; flex-shrink: 0;
  stroke: currentColor; fill: none; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}
.badge {
  margin-left: auto; background: var(--red); color: white;
  border-radius: 99px; padding: 1px 7px; font-size: 0.7rem; font-weight: 700;
}

.sidebar-footer {
  margin-top: auto; padding: 12px 16px;
  border-top: 1px solid var(--border);
}
.connection-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.75rem; color: var(--text-muted); margin-bottom: 8px;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-dim); transition: background 0.3s;
}
.status-dot.connected { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-dot.connecting { background: var(--yellow); animation: blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1}50%{opacity:0.3} }
.user-info {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8rem; color: var(--text);
}

/* ─── MAIN ────────────────────────────────────────────────────────────────── */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.top-bar {
  height: var(--topbar-h);
  background: rgba(11,16,22,0.76);
  border-bottom: 1px solid rgba(53,80,111,0.45);
  backdrop-filter: blur(16px);
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px; flex-shrink: 0;
}
.mobile-menu-btn {
  display: none;
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border: 1px solid rgba(53,80,111,0.28);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.mobile-menu-btn:hover {
  color: var(--accent);
  border-color: rgba(0,212,255,0.38);
  background: rgba(0,212,255,0.08);
}
body[data-theme-resolved="light"] .sidebar,
body[data-theme-resolved="light"] .top-bar,
body[data-theme-resolved="light"] .login-card,
body[data-theme-resolved="light"] .stat-card,
body[data-theme-resolved="light"] .dashboard-status-panel,
body[data-theme-resolved="light"] .dashboard-status-card,
body[data-theme-resolved="light"] .panel,
body[data-theme-resolved="light"] .sensor-card,
body[data-theme-resolved="light"] .table-wrap,
body[data-theme-resolved="light"] .modal-card,
body[data-theme-resolved="light"] .sidebar-settings-menu {
  box-shadow: 0 14px 34px rgba(39, 73, 110, 0.08);
}
body[data-theme-resolved="light"] .sidebar,
body[data-theme-resolved="light"] .login-card,
body[data-theme-resolved="light"] .table-wrap,
body[data-theme-resolved="light"] .panel,
body[data-theme-resolved="light"] .sensor-card,
body[data-theme-resolved="light"] .sidebar-settings-menu {
  background: rgba(255,255,255,0.94);
}
body[data-theme-resolved="light"] .top-bar {
  background: rgba(248, 251, 255, 0.88);
}
body[data-theme-resolved="light"] .stat-card,
body[data-theme-resolved="light"] .dashboard-status-panel,
body[data-theme-resolved="light"] .dashboard-status-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(243,248,253,0.98));
}
body[data-theme-resolved="light"] .panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(244,248,253,0.98));
}
body[data-theme-resolved="light"] .panel-header,
body[data-theme-resolved="light"] .panel-footer {
  background: rgba(0,0,0,0.02);
}
body[data-theme-resolved="light"] .btn-sm,
body[data-theme-resolved="light"] .panel-action-btn,
body[data-theme-resolved="light"] .panel-close-btn,
body[data-theme-resolved="light"] .theme-option-btn {
  background: rgba(246,250,255,0.98);
}
body.compact-ui .page {
  padding: 14px;
}
body.compact-ui .page-header {
  margin-bottom: 14px;
}
body.compact-ui .stat-grid,
body.compact-ui .sensor-list,
body.compact-ui .panels-grid {
  gap: 10px;
}
body.compact-ui .stat-card,
body.compact-ui .panel,
body.compact-ui .sensor-card {
  border-radius: 14px;
}
.page-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.top-bar-right {
  display: flex; align-items: center; gap: 10px; margin-left: auto;
}
.time-display {
  font-size: 0.8rem; color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* ─── PAGES ───────────────────────────────────────────────────────────────── */
.page { display: none; padding: 20px; overflow-y: auto; flex: 1; }
.page.active { display: flex; flex-direction: column; }
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; flex-wrap: wrap; gap: 12px;
}
.page-header h2 { font-family: var(--font-display); font-weight: 800; font-size: 1.3rem; }
.page-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.list-pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.list-pagination-info {
  color: var(--text-muted);
  font-size: 0.76rem;
}

/* ─── STAT CARDS ──────────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(23,32,45,0.95), rgba(17,24,34,0.96));
  border: 1px solid rgba(53,80,111,0.42);
  border-radius: 18px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  min-height: 118px;
  transition: transform 0.18s, border-color 0.2s, box-shadow 0.2s;
}
.stat-card::after {
  content: '';
  position: absolute;
  inset: auto -30px -36px auto;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.16), transparent 65%);
  pointer-events: none;
}
.stat-card:hover {
  border-color: rgba(0,212,255,0.46);
  box-shadow: 0 16px 36px rgba(0,0,0,0.2);
  transform: translateY(-2px);
}
.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(0,212,255,0.2);
  background: rgba(0,212,255,0.08);
  color: var(--accent);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.stat-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800; color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ─── ADMIN DASHBOARD ─────────────────────────────────────────────────────── */
.admin-dashboard { margin-bottom: 20px; }
.admin-browser {
  background: linear-gradient(180deg, rgba(23,32,45,0.95), rgba(17,24,34,0.96));
  border: 1px solid rgba(53,80,111,0.38);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0,0,0,0.16);
}
.admin-browser-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 18px;
  border-bottom: 1px solid rgba(53,80,111,0.24);
  background: rgba(255,255,255,0.02);
}
.admin-browser-head h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
}
.admin-browser-list {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px; padding: 14px;
}
.customer-browser-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid rgba(53,80,111,0.18);
}
.customer-browser-list:empty {
  display: none;
}
.customer-target {
  text-align: left;
  color: var(--text);
  background: rgba(14,20,28,0.72);
  border: 1px solid rgba(53,80,111,0.26);
  border-radius: 14px;
  padding: 14px;
  transition: border-color 0.2s, background 0.2s, transform 0.18s;
}
.customer-target:hover, .customer-target.active {
  border-color: rgba(0,212,255,0.42);
  background: rgba(0,212,255,0.08);
  transform: translateY(-1px);
}
.customer-target.offline,
.admin-target.offline {
  border-color: rgba(255,61,113,0.22);
}
.customer-target-title {
  font-weight: 800;
  font-size: 0.84rem;
  margin-bottom: 4px;
}
.customer-target-meta {
  color: var(--text-muted);
  font-size: 0.72rem;
}
.admin-target {
  text-align: left; color: var(--text);
  background: rgba(11,16,22,0.62);
  border: 1px solid rgba(53,80,111,0.28);
  border-radius: 14px;
  padding: 14px;
  transition: border-color 0.2s, background 0.2s, transform 0.18s;
}
.admin-target:hover, .admin-target.active {
  border-color: rgba(0,212,255,0.42);
  background: rgba(0,212,255,0.1);
  transform: translateY(-1px);
}
.admin-target-title { font-weight: 700; font-size: 0.82rem; margin-bottom: 4px; }
.admin-target-meta { color: var(--text-muted); font-size: 0.7rem; word-break: break-all; line-height: 1.5; }
.device-state-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.device-state-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
}
.device-state-dot.online { background: var(--green); }
.device-state-dot.offline { background: var(--red); }
.browser-empty {
  padding: 16px 18px 20px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ─── PERIOD BAR ──────────────────────────────────────────────────────────── */
.dashboard-status-panel {
  margin-bottom: 18px;
  padding: 16px 18px;
  background:
    radial-gradient(circle at top right, rgba(0,212,255,0.14), transparent 28%),
    linear-gradient(180deg, rgba(26,31,46,0.96), rgba(20,23,32,0.98));
  border: 1px solid var(--border-bright);
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.18);
}
.dashboard-status-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.dashboard-status-kicker {
  font-size: 0.68rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}
.dashboard-status-head h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
}
.dashboard-status-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 1.4fr;
  gap: 12px;
}
.dashboard-status-card {
  min-height: 118px;
  padding: 14px 16px;
  background: rgba(13,15,20,0.72);
  border: 1px solid rgba(123,138,172,0.16);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dashboard-status-primary {
  border-color: rgba(0,212,255,0.24);
  box-shadow: inset 0 0 0 1px rgba(0,212,255,0.06);
}
.dashboard-status-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.dashboard-status-card strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.1;
}
.dashboard-status-meta {
  color: var(--text-muted);
  font-size: 0.76rem;
  word-break: break-word;
}
.dashboard-status-chips {
  justify-content: space-between;
}
.status-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(123,138,172,0.18);
  background: rgba(123,138,172,0.08);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 700;
}
.status-chip.ok {
  color: var(--green);
  border-color: rgba(0,230,118,0.28);
  background: rgba(0,230,118,0.1);
}
.status-chip.error {
  color: var(--red);
  border-color: rgba(255,61,113,0.3);
  background: rgba(255,61,113,0.12);
}
.status-chip.warn {
  color: var(--yellow);
  border-color: rgba(255,214,0,0.28);
  background: rgba(255,214,0,0.1);
}
.status-chip.neutral {
  color: var(--text-muted);
}
.dashboard-status-copy {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.dashboard-status-inline {
  margin-bottom: 16px;
  padding: 10px 14px;
  border: 1px solid rgba(53,80,111,0.28);
  border-radius: 16px;
  background: rgba(17,24,34,0.72);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}
.dashboard-status-inline-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.dashboard-status-inline-main,
.dashboard-status-inline-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.dashboard-status-inline-main,
.dashboard-status-copy-inline {
  font-size: 0.74rem;
  color: var(--text-muted);
}
.dashboard-status-inline-label {
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.64rem;
}
.dashboard-status-inline-title {
  color: var(--text);
  font-weight: 700;
}
.dashboard-status-inline-title.online { color: var(--green); }
.dashboard-status-inline-title.offline { color: var(--red); }
.dashboard-status-sep {
  color: var(--text-dim);
}

.period-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.period-label {
  font-size: 0.74rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.period-btns { display: flex; gap: 4px; }
.period-btn {
  min-height: 36px;
  padding: 5px 12px;
  border-radius: 10px;
  border: 1px solid rgba(53,80,111,0.32);
  color: var(--text-muted);
  background: rgba(17,24,34,0.76);
  font-size: 0.75rem; font-family: var(--font-mono);
  transition: all 0.15s;
}
.period-btn:hover { border-color: var(--accent); color: var(--accent); }
.period-btn.active {
  background: rgba(0,212,255,0.14);
  color: var(--accent);
  border-color: rgba(0,212,255,0.45);
  font-weight: 700;
}

/* ─── PANELS GRID ─────────────────────────────────────────────────────────── */
.panels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 16px; flex: 1;
}
.panels-grid.panel-count-1 {
  grid-template-columns: minmax(520px, 1fr);
}
.panels-grid.panel-count-1 .panel {
  min-height: min(68vh, 620px);
}
.panels-grid.panel-count-2 {
  grid-template-columns: repeat(2, minmax(420px, 1fr));
}
.panels-grid.panel-count-2 .panel {
  min-height: min(66vh, 600px);
}
.panels-grid.panel-count-3,
.panels-grid.panel-count-4 {
  grid-template-columns: repeat(2, minmax(360px, 1fr));
}
.panels-grid.panel-count-3 .panel,
.panels-grid.panel-count-4 .panel {
  min-height: 360px;
}
.panels-grid.panel-count-many {
  grid-auto-flow: column;
  grid-auto-columns: minmax(360px, 430px);
  grid-template-columns: none;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 10px;
  scroll-snap-type: x proximity;
}
.panels-grid.panel-count-many .panel {
  min-height: 420px;
  scroll-snap-align: start;
}
.panel {
  background: linear-gradient(180deg, rgba(23,32,45,0.96), rgba(17,24,34,0.98));
  border: 1px solid rgba(53,80,111,0.36);
  border-radius: 18px;
  overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 280px;
  transition: border-color 0.2s, transform 0.18s, box-shadow 0.2s;
}
.panel:hover {
  border-color: rgba(0,212,255,0.32);
  box-shadow: 0 18px 40px rgba(0,0,0,0.16);
}
.panel.panel-dragging {
  opacity: 0.55;
  transform: scale(0.985);
}
.panel.panel-drop-target {
  border-color: rgba(105,255,71,0.48);
  box-shadow: 0 0 0 2px rgba(105,255,71,0.16);
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 18px;
  border-bottom: 1px solid rgba(53,80,111,0.24);
  background: rgba(255,255,255,0.02);
}
.panel-title {
  font-size: 0.94rem;
  font-weight: 700;
  margin-bottom: 3px;
}
.panel-meta {
  font-size: 0.69rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}
.panel-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.panel-value {
  font-size: 1.9rem; font-weight: 800;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
.panel-action-btn {
  min-height: 32px;
  padding: 0 11px;
  border-radius: 10px;
  border: 1px solid rgba(53,80,111,0.32);
  background: rgba(11,16,22,0.42);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 700;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.panel-action-btn:hover {
  border-color: rgba(0,212,255,0.38);
  background: rgba(0,212,255,0.12);
  color: var(--accent);
}
.panel-chart-wrap {
  flex: 1;
  padding: 16px;
  position: relative;
  min-height: 200px;
  cursor: grab;
  user-select: none;
  touch-action: none;
}
.panel-chart-wrap.is-dragging { cursor: grabbing; }
.gps-map-wrap {
  cursor: default;
  touch-action: auto;
}
.gps-map-shell {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 280px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(53,80,111,0.24);
  background:
    radial-gradient(circle at top left, rgba(0,212,255,0.14), transparent 38%),
    linear-gradient(180deg, rgba(13,19,29,0.96), rgba(9,13,20,0.98));
}
.gps-map-frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: transparent;
}
.gps-map-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  pointer-events: none;
}
.gps-map-overlay > * {
  pointer-events: auto;
}
.gps-map-badge,
.gps-map-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  backdrop-filter: blur(14px);
}
.gps-map-badge {
  color: var(--text);
  border: 1px solid rgba(53,80,111,0.3);
  background: rgba(8,12,18,0.76);
}
.gps-map-link {
  border: 1px solid rgba(0,212,255,0.32);
  background: rgba(0,212,255,0.14);
  color: var(--accent);
  text-decoration: none;
}
.gps-map-link:hover {
  border-color: rgba(0,212,255,0.52);
  background: rgba(0,212,255,0.2);
}
.gps-map-wrap .panel-chart-hint {
  display: block;
  bottom: 14px;
}
.gps-route-modal {
  display: grid;
  gap: 14px;
}
.gps-route-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}
.gps-route-stat {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(53,80,111,0.26);
  background: rgba(14,19,27,0.82);
}
.gps-route-stat strong {
  display: block;
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 4px;
}
.gps-route-stat span {
  color: var(--text-muted);
  font-size: 0.75rem;
}
.gps-route-preview {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(53,80,111,0.26);
  background: rgba(9,13,20,0.96);
}
.gps-route-svg {
  width: 100%;
  height: auto;
  display: block;
}
.gps-route-empty {
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  padding: 18px;
}
.gps-route-lastfix {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.gps-route-replay-bar {
  display: grid;
  grid-template-columns: auto auto auto minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}
.gps-route-slider {
  width: 100%;
  accent-color: var(--accent);
}
.gps-route-position {
  color: var(--text);
  font-size: 0.82rem;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(53,80,111,0.26);
  background: rgba(10,14,22,0.88);
}
.gps-route-table-wrap {
  max-height: 260px;
  overflow: auto;
}
.gps-route-table th,
.gps-route-table td {
  font-size: 0.78rem;
}
.panel-chart-hint {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(10,12,18,0.78);
  border: 1px solid rgba(123,138,172,0.16);
  color: var(--text-muted);
  font-size: 0.66rem;
  letter-spacing: 0.02em;
  pointer-events: none;
  white-space: nowrap;
  display: none;
}
.panel.panel-fullscreen {
  position: fixed;
  inset: 18px;
  z-index: 1200;
  min-height: auto;
  border-color: rgba(0,212,255,0.28);
  box-shadow: 0 28px 80px rgba(0,0,0,0.45);
}
.panel.panel-fullscreen .panel-header {
  padding: 14px 18px;
}
.panel.panel-fullscreen .panel-value {
  font-size: 2.5rem;
}
.panel.panel-fullscreen .panel-chart-wrap {
  min-height: calc(100vh - 170px);
  padding: 18px 18px 28px;
}
body.panel-zoom-open {
  overflow: hidden;
}
.panel-footer {
  padding: 10px 18px;
  border-top: 1px solid rgba(53,80,111,0.2);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.02);
}
.panel-footer span strong { color: var(--text); }
.panel-close-btn {
  min-height: 32px;
  padding: 0 11px;
  border-radius: 10px;
  border: 1px solid rgba(53,80,111,0.28);
  color: var(--text-dim);
  font-size: 0.74rem;
  background: rgba(11,16,22,0.34);
}
.panel-close-btn:hover { color: var(--red); background: rgba(255,61,113,0.1); border-color: rgba(255,61,113,0.25); }

.empty-panel {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border-style: dashed;
  color: var(--text-muted);
  gap: 10px;
  grid-column: 1 / -1;
  min-height: 300px;
}
.empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(0,212,255,0.22);
  background: rgba(0,212,255,0.08);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.empty-sub { font-size: 0.8rem; color: var(--text-dim); text-align: center; }

/* ─── SENSOR LIST ─────────────────────────────────────────────────────────── */
.search-box input {
  padding: 8px 14px; background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-size: 0.85rem; width: 220px;
}
.search-box input:focus { outline: none; border-color: var(--accent); }

.sensor-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.sensor-empty-state {
  grid-column: 1 / -1;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px dashed rgba(53,80,111,0.45);
  background: linear-gradient(180deg, rgba(17,24,34,0.92), rgba(11,16,22,0.85));
  text-align: center;
}
.sensor-empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.sensor-empty-state p {
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.5;
}
.sensor-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  transition: border-color 0.2s, transform 0.15s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sensor-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.sensor-card.fresh { border-color: var(--green); }
.sensor-card.offline {
  border-color: rgba(255,61,113,0.3);
  background: linear-gradient(180deg, rgba(33,18,24,0.94), rgba(17,24,34,0.94));
}
.sensor-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.sensor-icon {
  min-width: 56px;
  height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,212,255,0.12);
  border: 1px solid rgba(0,212,255,0.22);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.sensor-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.sensor-card-btn {
  min-height: 30px;
  padding: 5px 10px;
  font-size: 0.72rem;
}
.sensor-topic { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 4px; word-break: break-all; }
.sensor-val {
  font-size: 2.2rem; font-weight: 800;
  color: var(--text); font-variant-numeric: tabular-nums;
}
.sensor-val span { font-size: 1rem; color: var(--text-muted); }
.sensor-type {
  display: inline-block; padding: 2px 8px; border-radius: 99px;
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; margin-top: 6px;
  background: var(--accent-dim); color: var(--accent);
}
.sensor-time { font-size: 0.65rem; color: var(--text-dim); margin-top: 6px; }
.sensor-card-foot {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: auto;
}

/* ─── TABLES ──────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.data-table thead { background: var(--bg-elevated); }
.data-table th {
  padding: 12px 16px; text-align: left;
  color: var(--text-muted); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
}
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-hover); }
.chip {
  display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 0.7rem; font-weight: 700;
}
.chip-green { background: rgba(0,230,118,0.12); color: var(--green); }
.chip-red { background: rgba(255,61,113,0.12); color: var(--red); }
.chip-blue { background: var(--accent-dim); color: var(--accent); }
.chip-yellow { background: rgba(255,214,0,0.12); color: var(--yellow); }

.alerts-filters,
.audit-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.alerts-filters input,
.alerts-filters select,
.audit-filters input,
.audit-filters select {
  width: 100%;
  min-height: 40px;
  padding: 10px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
}
.alerts-filters input:focus,
.alerts-filters select:focus,
.audit-filters input:focus,
.audit-filters select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.alert-status-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.alert-rule-copy {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.alert-rule-copy small {
  color: var(--text-muted);
  font-size: 0.68rem;
}
.alert-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.alert-actions .btn-sm,
.alert-actions .btn-danger {
  min-height: 32px;
  padding: 6px 10px;
}

/* ─── ALERTS STREAM ───────────────────────────────────────────────────────── */
.alerts-stream { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.alerts-stream.timeline-mode { gap: 14px; }
.alert-item {
  display: flex; align-items: flex-start; gap: 12px;
  background: rgba(255,61,113,0.06); border: 1px solid rgba(255,61,113,0.2);
  border-radius: var(--radius); padding: 12px 16px;
  animation: alertIn 0.3s ease;
  position: relative;
}
.alerts-stream.timeline-mode .alert-item::before {
  content: '';
  position: absolute;
  left: 20px;
  top: -15px;
  width: 1px;
  height: 15px;
  background: rgba(123,138,172,0.28);
}
.alerts-stream.timeline-mode .alert-item:first-child::before {
  display: none;
}
.alert-item.alert-hot {
  background: linear-gradient(90deg, rgba(255,61,113,0.28), rgba(255,149,0,0.12));
  border-color: rgba(255,61,113,0.85);
  box-shadow: 0 0 0 1px rgba(255,61,113,0.22), 0 14px 34px rgba(255,61,113,0.22);
  animation: alertIn 0.25s ease, alertPulse 1.1s ease-in-out 4;
}
.alert-item.alert-resolving {
  animation: alertOut 0.35s ease forwards;
}
@keyframes alertIn { from{opacity:0;transform:translateX(-10px)} to{opacity:1;transform:none} }
@keyframes alertOut { to{opacity:0;transform:translateX(18px);max-height:0;padding-top:0;padding-bottom:0;margin:0} }
@keyframes alertPulse {
  0%, 100% { transform: translateX(0); filter: brightness(1); }
  50% { transform: translateX(4px); filter: brightness(1.25); }
}
.alert-icon {
  min-width: 98px;
  padding-top: 2px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
  position: relative;
}
.alert-icon small {
  display: block;
  margin-top: 6px;
  font-size: 0.62rem;
  letter-spacing: 0.02em;
  text-transform: none;
}
.alerts-stream.timeline-mode .alert-icon::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(0,212,255,0.08);
}
.alerts-stream.timeline-mode .alert-item.alert-hot .alert-icon::before {
  background: var(--red);
  box-shadow: 0 0 0 5px rgba(255,61,113,0.1);
}
.alert-content { flex: 1; }
.alert-msg { font-size: 0.95rem; color: var(--text); font-weight: 800; }
.alert-meta { font-size: 0.7rem; color: var(--text-muted); margin-top: 3px; }

.critical-alert-banner {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  width: min(760px, calc(100vw - 32px));
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border: 2px solid rgba(255,61,113,0.95);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(74,9,27,0.98), rgba(31,13,17,0.98));
  color: #fff;
  box-shadow: 0 0 0 9999px rgba(255,61,113,0.08), 0 22px 70px rgba(255,61,113,0.35);
  animation: criticalDrop 0.22s ease, criticalGlow 0.9s ease-in-out infinite alternate;
}
.critical-alert-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--red);
  color: white;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  box-shadow: 0 0 22px rgba(255,61,113,0.8);
  flex-shrink: 0;
}
.critical-alert-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.critical-alert-copy strong {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: #fff;
}
.critical-alert-copy span {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.86);
  overflow-wrap: anywhere;
}
.critical-alert-close {
  margin-left: auto;
  color: #fff;
  font-size: 1.4rem;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
}
.critical-alert-close:hover { background: rgba(255,255,255,0.16); }
@keyframes criticalDrop {
  from { opacity: 0; transform: translate(-50%, -20px) scale(0.98); }
  to { opacity: 1; transform: translate(-50%, 0) scale(1); }
}
@keyframes criticalGlow {
  from { box-shadow: 0 0 0 9999px rgba(255,61,113,0.05), 0 22px 70px rgba(255,61,113,0.25); }
  to { box-shadow: 0 0 0 9999px rgba(255,61,113,0.13), 0 22px 90px rgba(255,61,113,0.46); }
}
body.alert-flash .top-bar {
  box-shadow: inset 0 -2px 0 var(--red), 0 8px 28px rgba(255,61,113,0.28);
}
.badge.badge-alerting {
  background: var(--red);
  color: #fff;
  animation: badgeAlarm 0.7s ease-in-out infinite alternate;
}
@keyframes badgeAlarm {
  from { transform: scale(1); box-shadow: 0 0 0 rgba(255,61,113,0); }
  to { transform: scale(1.2); box-shadow: 0 0 18px rgba(255,61,113,0.95); }
}

/* ─── MODAL ───────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; z-index: 9000;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg-surface); border: 1px solid var(--border-bright);
  border-radius: 12px; width: 440px; max-width: 95vw; max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.2s ease;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
@keyframes modalIn { from{opacity:0;transform:scale(0.95)} to{opacity:1;transform:none} }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-family: var(--font-display); font-weight: 800; }
.modal-close {
  color: var(--text-muted); font-size: 1.1rem; padding: 4px 8px;
  border-radius: 4px; transition: color 0.15s;
}
.modal-close:hover { color: var(--red); }
.modal-body { padding: 24px; }
.modal-body .field-group { margin-bottom: 16px; }
.modal-body select {
  width: 100%; padding: 10px 14px;
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 0.9rem;
}
.modal-body select:focus { outline: none; border-color: var(--accent); }
.modal-footer { display: flex; gap: 10px; margin-top: 20px; justify-content: flex-end; }

/* ─── TOAST ───────────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 8px; z-index: 9999;
}
.toast {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 18px;
  font-size: 0.82rem; max-width: 320px;
  display: flex; align-items: center; gap: 10px;
  animation: toastIn 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
@keyframes toastIn { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:none} }
.toast.success { border-color: rgba(0,230,118,0.3); }
.toast.error { border-color: rgba(255,61,113,0.3); }
.toast.info { border-color: rgba(0,212,255,0.3); }
.toast.warn {
  border-color: rgba(255,214,0,0.45);
  background: linear-gradient(135deg, rgba(58,42,0,0.98), rgba(26,31,46,0.98));
}
.toast.warn.loud {
  max-width: 460px;
  padding: 18px 22px;
  font-size: 1rem;
  font-weight: 900;
  color: #fff;
  border-color: rgba(255,61,113,0.9);
  background: linear-gradient(135deg, rgba(92,10,33,0.98), rgba(54,23,0,0.98));
  box-shadow: 0 18px 54px rgba(255,61,113,0.34);
  animation: toastIn 0.2s ease, alertPulse 0.85s ease-in-out 5;
}

/* ─── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-status-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-status-card:last-child { grid-column: 1 / -1; }
  .panels-grid { grid-template-columns: 1fr; }
  .panels-grid.panel-count-1,
  .panels-grid.panel-count-2,
  .panels-grid.panel-count-3,
  .panels-grid.panel-count-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  :root { --sidebar-w: 240px; }

  .sidebar {
    position: fixed; left: 0; top: 0; height: 100vh;
    transform: translateX(-100%);
  }
  .sidebar.collapsed {
    width: 84px;
  }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 40px rgba(0,0,0,0.5); }
  .mobile-menu-btn { display: block; }
  .sidebar-toggle { display: none; }

  .stat-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { padding: 12px; }
  .stat-value { font-size: 1.4rem; }
  .dashboard-status-panel { padding: 14px; }
  .dashboard-status-grid { grid-template-columns: 1fr; }
  .dashboard-status-card { min-height: auto; }

  .page { padding: 12px; }
  .top-bar { padding: 0 12px; }
  .time-display { display: none; }

  .sensor-list { grid-template-columns: 1fr; }
  .table-wrap { font-size: 0.75rem; }
  .gps-route-replay-bar { grid-template-columns: 1fr 1fr; }
  .gps-route-slider { grid-column: 1 / -1; }

  .panels-grid { grid-template-columns: 1fr; }
  .panels-grid.panel-count-many {
    grid-auto-columns: minmax(300px, 88vw);
  }
}

@media (max-width: 400px) {
  .stat-grid { grid-template-columns: 1fr; }
  .login-card { padding: 24px; }
}

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