:root {
  --primary: #2563eb;
  --primary-light: #60a5fa;
  --primary-dark: #1e40af;
  --secondary: #06b6d4;
  --secondary-light: #22d3ee;
  --bg: #0b1220;
  --bg-2: #0f172a;
  --surface: #111b2f;
  --surface-2: #0e1627;
  --surface-border: #243248;
  --surface-border-strong: #334866;
  --text: #e5eefc;
  --text-dim: #8ea3c1;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --offline: #64748b;
  --radius: 0.35rem;
}

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

i.ph {
  vertical-align: middle;
  transform: translateY(-1px);
  margin-right: 0.2rem;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 10% -20%, rgba(6, 182, 212, 0.14), transparent 35%),
    radial-gradient(circle at 90% 120%, rgba(37, 99, 235, 0.12), transparent 40%);
  background-size: 36px 36px, 36px 36px, auto, auto;
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.5rem 1.2rem 2.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.6rem;
}

.topbar {
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 1.3rem;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.relay-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border-strong);
  background: linear-gradient(160deg, #0e2447, #10203a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-light);
  font-size: 1.2rem;
  box-shadow: inset 0 0 0 1px rgba(6, 182, 212, 0.18);
}

.brand-title {
  margin: 0;
  line-height: 1;
}

.brand-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--surface-2);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 0.25rem;
}

.main-nav a {
  font-size: 0.76rem;
  font-family: 'JetBrains Mono', monospace;
  text-decoration: none;
  color: var(--text-dim);
  padding: 0.4rem 0.7rem;
  border-radius: calc(var(--radius) - 2px);
  transition: all 0.12s ease;
  border: 1px solid transparent;
}

.main-nav a.active,
.main-nav a:hover {
  color: #dbe8ff;
  background: rgba(37, 99, 235, 0.16);
  border-color: rgba(96, 165, 250, 0.35);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.user-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.6rem;
  background: var(--surface-2);
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title-row h2 {
  margin: 0;
  font-size: 0.97rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.stat-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.stat-number.is-money {
  color: var(--success);
}

.text-dim {
  color: var(--text-dim);
}

.machine-title {
  font-weight: 700;
}

.machine-id {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.mono-money {
  font-family: 'JetBrains Mono', monospace;
  color: var(--success);
}

.mono-value {
  font-family: 'JetBrains Mono', monospace;
}

.mono-link,
.mono-link:visited {
  font-family: 'JetBrains Mono', monospace;
  color: #9fc5ff;
  text-decoration: none;
  font-weight: 600;
}

.mono-link:hover {
  color: #d7e6ff;
  text-decoration: underline;
}

.alerts-list {
  display: grid;
  gap: 0.45rem;
}

.alert-row {
  text-decoration: none;
}

.fleet-table tbody tr.click-row {
  cursor: pointer;
}

.fleet-table tbody tr.click-row:hover td {
  background: rgba(37, 99, 235, 0.12);
  border-color: rgba(96, 165, 250, 0.45);
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 0.62rem;
  padding: 0.18rem 0.45rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}

.pill-ok {
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.08);
}

.pill-warning {
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.08);
}

h1 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #d7e6ff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.62rem 0.95rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  transition: all 0.12s ease;
  border: 1px solid transparent;
  gap: 0.4rem;
}

.btn-primary {
  background: linear-gradient(160deg, #1d4ed8, #1e40af);
  color: #e6f0ff;
  border-color: #3b82f6;
  box-shadow: inset 0 0 0 1px rgba(147, 197, 253, 0.18);
}

.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.45), 0 0 22px rgba(37, 99, 235, 0.25);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--surface-border-strong);
}

.btn-secondary:hover {
  border-color: #5d7aa4;
  color: #f1f7ff;
}

.btn-danger {
  background: linear-gradient(160deg, #b91c1c, #7f1d1d);
  color: #fff;
  border-color: #ef4444;
}

.btn-danger:hover {
  filter: brightness(1.07);
  box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.45), 0 0 20px rgba(239, 68, 68, 0.25);
}

.btn-success {
  background: linear-gradient(160deg, #15803d, #166534);
  color: #fff;
  border-color: #22c55e;
}

.btn-success:hover {
  filter: brightness(1.08);
}

.card {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 1.15rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03), 0 12px 26px rgba(0, 0, 0, 0.24);
}

.apikey-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.1rem;
  margin-top: 1.6rem;
  border: 1px dashed rgba(96, 165, 250, 0.45);
}

.apikey-wrapper {
  flex: 1;
  min-width: 0;
}

.apikey-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: #a5c7ff;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.3);
  padding: 0.45rem 0.75rem;
  border-radius: calc(var(--radius) - 1px);
  filter: blur(4px);
  transition: filter 0.2s ease;
  cursor: pointer;
  word-break: break-all;
  display: inline-block;
  max-width: 100%;
}

.apikey-text:active,
.apikey-text:hover {
  filter: blur(0);
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0.9rem;
}

.device-card {
  position: relative;
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
  cursor: pointer;
}

.device-card:hover {
  transform: translateY(-2px);
  border-color: rgba(96, 165, 250, 0.55);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.38rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-family: 'JetBrains Mono', monospace;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.status-online .status-dot {
  background: var(--success);
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25);
}

.status-online .status-dot::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: inherit;
  border-radius: inherit;
  animation: pulse 1.8s infinite;
  z-index: -1;
}

.status-offline .status-dot {
  background: var(--offline);
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.85; }
  100% { transform: scale(2.6); opacity: 0; }
}

.killswitch-btn {
  width: 100%;
  padding: 1rem 1rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.12s ease;
  font-family: 'JetBrains Mono', monospace;
}

.killswitch-btn.active {
  background: linear-gradient(160deg, #166534, #14532d);
  color: #ebfff2;
  border-color: #22c55e;
  box-shadow: inset 0 0 0 1px rgba(134, 239, 172, 0.2);
}

.killswitch-btn.active:hover {
  filter: brightness(1.08);
}

.killswitch-btn.inhibited {
  background: linear-gradient(160deg, #991b1b, #7f1d1d);
  color: #fff0f0;
  border-color: #ef4444;
  box-shadow: inset 0 0 0 1px rgba(252, 165, 165, 0.16);
}

.killswitch-btn.inhibited:hover {
  filter: brightness(1.08);
}

.vital-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.vital-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vital-value {
  font-size: 0.84rem;
  font-weight: 700;
}

.progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transition: width 0.4s ease;
}

.progress-bar.hopper {
  background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
}

.progress-bar.danger {
  background: linear-gradient(90deg, var(--warning), var(--danger));
}

.progress-bar.progress-zero {
  width: 0%;
}

.progress-track-thin {
  height: 5px;
  margin-top: 0.25rem;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--surface-border-strong);
  border-radius: var(--radius);
  padding: 1.35rem;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.35);
}

input,
select {
  width: 100%;
  background: #0a1424;
  border: 1px solid var(--surface-border);
  color: #fff;
  padding: 0.72rem 0.8rem;
  border-radius: calc(var(--radius) - 1px);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  transition: border-color 0.15s ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: #60a5fa;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.2rem;
}

.stat-card {
  text-align: center;
}

.stat-label {
  font-size: 0.67rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.45rem;
  font-family: 'JetBrains Mono', monospace;
}

.table-wrapper {
  overflow-x: auto;
  margin-top: 1rem;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.35rem;
}

th {
  text-align: left;
  padding: 0.62rem;
  font-size: 0.67rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.06em;
}

td {
  padding: 0.65rem;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}

td:first-child {
  border-left: 1px solid var(--surface-border);
  border-radius: var(--radius) 0 0 var(--radius);
}

td:last-child {
  border-right: 1px solid var(--surface-border);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.revenue-big {
  font-size: 2rem;
  font-weight: 800;
  color: #76f4a5;
  line-height: 1;
  font-family: 'JetBrains Mono', monospace;
}

.alert-banner {
  padding: 0.68rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.79rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.7rem;
  border: 1px solid transparent;
}

.alert-banner.warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.28);
  color: #f7c56c;
}

.alert-banner.danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.28);
  color: #f89c9c;
}

.alert-banner.info {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(96, 165, 250, 0.3);
  color: #a9c8ff;
}

.alert-banner-flat {
  margin: 0;
}

.alert-icon-lg {
  font-size: 1.25rem;
  margin: 0;
}

.logo-squircle {
  border-radius: 10px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.analytics-bars {
  display: grid;
  gap: 0.55rem;
}

.analytics-row {
  display: grid;
  gap: 0.35rem;
}

.analytics-row-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
}

.analytics-track {
  height: 8px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--surface-border);
  overflow: hidden;
}

.analytics-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.mobile-tabbar {
  display: none;
}

.section-card-tight {
  margin-bottom: 1rem;
}

.table-tight-top {
  margin-top: 0.75rem;
}

.section-card-label-row {
  margin-bottom: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.devices-heading {
  font-size: 1.125rem;
  font-weight: 700;
}

.apikey-side-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: right;
}

.accent-copy {
  color: var(--primary);
}

.modal-title {
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.modal-subtitle {
  color: var(--text-dim);
  margin-bottom: 1.3rem;
  font-size: 0.875rem;
}

.modal-last-input-gap {
  margin-bottom: 1.3rem;
}

.flex-1 {
  flex: 1;
}

.modal-success-state {
  display: none;
  text-align: center;
}

.success-icon-circle {
  width: 48px;
  height: 48px;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.1rem;
  color: var(--success);
}

.success-icon {
  font-size: 1.5rem;
}

.modal-success-title {
  margin-bottom: 0.45rem;
}

.config-code-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--surface-border);
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: left;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--primary-light);
  margin-bottom: 1rem;
  word-break: break-all;
}

.config-row {
  margin-bottom: 0.5rem;
}

.config-row:last-child {
  margin-bottom: 0;
}

.config-key {
  color: var(--text-dim);
}

.page-title {
  margin: 0;
  line-height: 1;
}

.subtle-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.section-gap {
  margin-bottom: 2rem;
}

.section-tight {
  margin-bottom: 1rem;
}

.section-heading {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.control-label {
  margin-bottom: 0.75rem;
}

.control-power-icon {
  margin-right: 0.5rem;
  font-size: 1.5rem;
}

.center-meta {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--text-dim);
  text-align: center;
}

.tone-success {
  color: var(--success);
}

.tone-warning {
  color: var(--warning);
}

.tone-danger {
  color: var(--danger);
}

.tone-muted {
  color: var(--text-dim);
}

.stack-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-tile {
  text-align: left;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
}

.info-value {
  font-size: 1.25rem;
  font-weight: 800;
}

.info-subvalue {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dim);
}

.metric-card {
  padding: 1.5rem;
}

.metric-primary {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-light);
}

.metric-muted {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dim);
}

.metric-secondary {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--secondary);
}

.metric-progress-wrap {
  margin-top: 0.5rem;
}

.chart-panel {
  padding: 2rem;
}

.chart-heading {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.chart-canvas-wrap {
  height: 300px;
  position: relative;
}

.event-log-scroll {
  max-height: 500px;
  overflow-y: auto;
}

.empty-state {
  padding: 3rem;
  text-align: center;
  color: var(--text-dim);
}

.helper-copy {
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.inline-input-tight {
  flex: 1;
  margin: 0;
}

.w-full {
  width: 100%;
}

.table-empty-row {
  text-align: center;
  color: var(--text-dim);
}

.empty-card-full {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem;
}

.empty-card-copy {
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.empty-card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
}

.device-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.device-card-name {
  font-weight: 700;
  font-size: 1rem;
}

.device-card-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  font-size: 0.74rem;
  color: var(--text-dim);
  border-top: 1px solid var(--surface-border);
  padding-top: 0.75rem;
}

.btn-outline-danger {
  margin-top: 0.5rem;
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.auth-container {
  width: 100%;
  max-width: 440px;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo-wrap {
  width: 56px;
  height: 56px;
  background: linear-gradient(160deg, #1d4ed8, #1e40af);
  border: 1px solid var(--surface-border-strong);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.1rem;
}

.auth-logo-icon {
  font-size: 1.6rem;
  color: #fff;
  margin: 0;
  transform: none;
}

.auth-title {
  margin: 0;
  letter-spacing: -0.03em;
}

.auth-subtitle {
  color: var(--text-dim);
  margin-top: 0.5rem;
  font-size: 0.92rem;
}

.auth-form {
  padding: 1.35rem;
}

.auth-reg-fields {
  display: none;
  margin-bottom: 1rem;
}

.auth-field-gap {
  margin-bottom: 1rem;
}

.auth-field-gap-large {
  margin-bottom: 1.25rem;
}

.auth-submit {
  width: 100%;
}

.auth-toggle-wrap {
  margin-top: 1.2rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.auth-toggle-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
  margin-left: 0.25rem;
}

.error-msg {
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.2);
  color: #fb7185;
  padding: 0.8rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.82rem;
  display: none;
  text-align: center;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
}

.settings-password-card {
  grid-column: 1 / -1;
}

.settings-message {
  margin-top: 1rem;
}

.settings-copy-btn {
  margin-top: 0.8rem;
}

.helper-copy.compact {
  margin-bottom: 0.6rem;
}

.event-row {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--surface-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.event-main {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.event-icon {
  font-size: 1rem;
  margin: 0;
}

.event-label {
  font-weight: 600;
  font-size: 0.8125rem;
}

.event-time {
  font-size: 0.6875rem;
  color: var(--text-dim);
}

.event-value {
  font-size: 0.9375rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

.device-page .section-gap {
  margin-bottom: 1.25rem;
}

.device-page .card {
  padding: 1rem;
}

.device-page .metric-card {
  padding: 1.05rem;
}

.device-page .chart-panel {
  padding: 1.15rem;
}

.device-page .chart-canvas-wrap {
  height: 240px;
}

.device-page .section-heading {
  margin-bottom: 0.75rem;
}

.device-page .helper-copy {
  margin-bottom: 1rem;
}

.device-header-status {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.device-control-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1rem;
  align-items: start;
}

.chart-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.details-main-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 1rem;
  align-items: start;
}

.device-actions-col {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.inline-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.inline-row .btn {
  white-space: nowrap;
}

@media (max-width: 900px) {
  .details-main-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 74px;
  }

  .container {
    padding: 0.9rem 0.75rem 1.4rem;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .main-nav {
    display: none;
  }

  .topbar-actions {
    justify-content: space-between;
  }

  .apikey-container {
    align-items: flex-start;
    text-align: left;
    padding: 1rem;
  }

  .apikey-container > div:last-child {
    text-align: left !important;
  }

  .section-title-row {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .section-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .nodes-heading {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 0.6rem;
  }

  .apikey-side-note {
    text-align: left;
  }

  .modal-btn-row {
    flex-direction: column;
  }

  .modal-btn-row .btn {
    width: 100%;
  }

  .device-header-status {
    width: 100%;
    justify-content: space-between;
  }

  .device-control-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .chart-title-row {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 0.45rem;
  }

  .device-actions-col {
    gap: 1rem !important;
  }

  .inline-row {
    flex-direction: column;
  }

  .inline-row .btn {
    width: 100%;
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.45rem;
  }

  .mobile-tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1200;
    height: 64px;
    background: rgba(12, 20, 35, 0.96);
    border-top: 1px solid var(--surface-border-strong);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    backdrop-filter: blur(8px);
  }

  .mobile-tabbar a {
    text-decoration: none;
    color: var(--text-dim);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.08rem;
    font-size: 0.62rem;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .mobile-tabbar a i {
    margin: 0;
    transform: none;
    font-size: 1.05rem;
  }

  .mobile-tabbar a.active {
    color: #dce9ff;
    background: rgba(37, 99, 235, 0.16);
  }

  .chart-panel {
    padding: 1.1rem;
  }

  .chart-canvas-wrap {
    height: 220px;
  }

  .auth-container {
    max-width: 100%;
  }

  .auth-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .table-wrapper table {
    min-width: 640px;
  }

  .main-nav {
    flex-wrap: nowrap;
  }

  .card h2 {
    font-size: 0.95rem;
  }

  .btn {
    font-size: 0.72rem;
    padding: 0.55rem 0.7rem;
  }
}