:root {
  color-scheme: light;
  --accent: #ccff66;
  --accent-strong: #9fd632;
  --bg: #f6f8f3;
  --panel: #ffffff;
  --panel-soft: #eef4e8;
  --text: #172013;
  --muted: #63705d;
  --border: #dbe4d5;
  --shadow: 0 18px 44px rgba(23, 32, 19, 0.08);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d120b;
  --panel: #151d12;
  --panel-soft: #1f2a1b;
  --text: #f3faee;
  --muted: #b4c3ad;
  --border: #2e3b29;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-layout {
  display: grid;
  grid-template-columns: 25% 75%;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px;
  background: var(--panel);
  border-right: 1px solid var(--border);
}

.brand,
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  margin-bottom: 36px;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #172013;
  font-size: 0.82rem;
  font-weight: 900;
}

.main-nav {
  display: grid;
  gap: 8px;
}

.main-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 700;
}

.main-nav i {
  width: 18px;
  color: var(--accent-strong);
  text-align: center;
}

.sub-nav {
  display: grid;
  gap: 4px;
  margin: -2px 0 8px 28px;
}

.sub-nav a {
  min-height: 32px;
  padding: 0 12px;
  font-size: 0.88rem;
}

.main-nav a:hover,
.main-nav a.is-active {
  background: var(--panel-soft);
  color: var(--text);
}

.main-nav a.is-active {
  box-shadow: inset 4px 0 0 var(--accent-strong);
}

.content {
  min-width: 0;
  padding: 34px clamp(22px, 4vw, 58px);
}

.content-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.content-header h1,
.login-panel h1,
.placeholder-panel h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.button,
.icon-button,
.filter-chip {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
}

.button-primary {
  width: 100%;
  border-color: var(--accent-strong);
  background: var(--accent);
  color: #172013;
}

.button-secondary:hover,
.filter-chip:hover {
  border-color: var(--accent-strong);
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
}

.theme-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-strong);
  box-shadow: 8px -5px 0 var(--panel);
}

.metrics-row,
.details-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.details-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.details-grid .detail-primary {
  grid-column: span 2;
}

.details-grid .detail-secondary {
  grid-column: span 2;
}

.metric-card,
.placeholder-panel,
.data-card,
.login-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 18px;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 2rem;
  line-height: 1;
  overflow-wrap: anywhere;
}

.metric-link {
  display: block;
}

.metric-link:hover {
  border-color: var(--accent-strong);
  transform: translateY(-1px);
}

.metric-link.metric-notice:hover {
  border-color: #a7d8ff;
}

.metric-link.metric-warning:hover {
  border-color: #ffd166;
}

.metric-link.metric-critical:hover {
  border-color: #ff6b6b;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
}

.filter-chip.is-active {
  border-color: var(--accent-strong);
  background: var(--accent);
  color: #172013;
}

.machine-list {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.machine-row {
  display: grid;
  grid-template-columns: 16px minmax(180px, 1.6fr) minmax(110px, 0.7fr) minmax(140px, 1fr) minmax(100px, 0.5fr);
  align-items: center;
  gap: 14px;
  min-height: 76px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.machine-row:last-child {
  border-bottom: 0;
}

.machine-row:hover {
  background: var(--panel-soft);
}

.machine-main {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.machine-main strong,
.machine-main small,
.machine-row > span {
  overflow-wrap: anywhere;
}

.machine-main small,
.machine-row > span {
  color: var(--muted);
  font-weight: 700;
}

.machine-row .muted-location {
  color: color-mix(in srgb, var(--muted) 58%, var(--bg));
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.last-seen-now {
  background: var(--accent-strong);
}

.last-seen-recent {
  background: #ffd166;
}

.last-seen-aging {
  background: #ff9f1c;
}

.last-seen-stale {
  background: #ff6b6b;
}

.status-pill {
  display: inline-flex;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  color: #172013;
  font-size: 0.78rem;
  font-weight: 900;
}

.status-ok {
  background: var(--accent);
  color: #172013;
}

.status-notice {
  background: #a7d8ff;
  color: #172013;
}

.status-warning {
  background: #ffd166;
  color: #172013;
}

.status-critical {
  background: #ff6b6b;
  color: #172013;
}

.empty-state {
  margin: 0;
  padding: 24px;
  color: var(--muted);
  font-weight: 700;
}

.data-stack {
  display: grid;
  gap: 16px;
}

.problem-panel {
  margin-bottom: 22px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.problem-panel h2 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.problem-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.severity-label {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: #172013;
  font-size: 0.82rem;
  font-weight: 900;
}

.problem-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: #172013 !important;
  font-size: 0.82rem;
  font-weight: 900;
}

.severity-critical {
  background: #ff6b6b;
}

.severity-warning {
  background: #ffd166;
}

.severity-notice {
  background: #a7d8ff;
}

.severity-ok {
  background: var(--accent);
}

.account-panel {
  margin-bottom: 22px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.account-actions {
  margin-top: 18px;
}

.last-seen-value {
  display: flex;
  align-items: center;
  gap: 10px;
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 58px;
  padding: 0 20px;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
}

.accordion-button span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.accordion-button::after {
  content: "+";
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--panel-soft);
  color: var(--text);
}

.accordion-button:not(.collapsed)::after {
  content: "-";
}

.accordion-collapse {
  display: none;
}

.accordion-collapse.show {
  display: block;
}

pre {
  margin: 0;
  padding: 20px;
  overflow: auto;
  color: var(--text);
  font: 0.9rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.placeholder-panel {
  max-width: 720px;
  padding: 28px;
}

.placeholder-panel p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 700;
}

.ota-table,
.issue-groups {
  display: grid;
  gap: 14px;
}

.ota-row,
.issue-group {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.ota-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) repeat(3, minmax(90px, 0.45fr));
  align-items: center;
  gap: 16px;
  padding: 18px;
}

.ota-row div,
.ota-row span {
  display: grid;
  gap: 5px;
}

.ota-row small,
.ota-row span {
  color: var(--muted);
  font-weight: 800;
}

.ota-row strong {
  color: var(--text);
}

.ota-row .ota-outdated {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--accent);
  color: #172013;
}

.ota-row .ota-outdated strong {
  color: #172013;
}

.file-missing-label {
  display: inline-flex;
  width: fit-content;
  min-height: 26px;
  align-items: center;
  padding: 0 9px;
  border-radius: 999px;
  background: #ff6b6b;
  color: #172013;
  font-size: 0.78rem;
  font-weight: 900;
}

.issue-group {
  overflow: hidden;
}

.issue-title {
  flex: 1;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 900;
}

.issue-count {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  height: 28px;
  border-radius: 999px;
  background: var(--accent);
  color: #172013;
  font-weight: 900;
}

.issue-row {
  grid-template-columns: 16px minmax(180px, 1.4fr) minmax(90px, 0.5fr) minmax(140px, 1fr);
  box-shadow: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.stats-panel {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.stats-panel header {
  padding: 18px;
  border-bottom: 1px solid var(--border);
}

.stats-panel h2 {
  margin: 0;
  font-size: 1.05rem;
}

.stats-list {
  display: grid;
}

.stats-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  gap: 12px;
  align-items: center;
  min-height: 54px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
}

.stats-row:last-child {
  border-bottom: 0;
}

.stats-row span {
  color: var(--muted);
  font-weight: 800;
}

.stats-row span small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.stats-row small {
  color: var(--accent-strong);
  font-weight: 900;
}

.stats-row em {
  color: var(--muted);
  font-style: normal;
  font-weight: 900;
}

.stats-row > * {
  overflow-wrap: anywhere;
}

.stats-highlight {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 18px;
  border-bottom: 1px solid var(--border);
}

.stats-highlight strong {
  font-size: 2rem;
}

.stats-highlight span {
  color: var(--accent-strong);
  font-weight: 900;
}

.login-page {
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(100%, 420px);
  padding: 28px;
}

.login-logo {
  width: 56px;
  height: 56px;
  border-radius: 8px;
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.login-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
}

.login-form input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  padding: 0 12px;
}

.login-form input:focus {
  border-color: var(--accent-strong);
  outline: 3px solid rgba(159, 214, 50, 0.22);
}

.alert-error {
  margin: 22px 0 0;
  padding: 12px 14px;
  border: 1px solid #ff9c9c;
  border-radius: 8px;
  background: rgba(255, 107, 107, 0.12);
  color: #d84242;
  font-weight: 800;
}

.alert-success {
  margin: 22px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--accent-strong);
  border-radius: 8px;
  background: rgba(159, 214, 50, 0.14);
  color: var(--text);
  font-weight: 800;
}

.app-footer {
  margin-top: 34px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.mobile-menu-button {
  display: none;
}

@media (max-width: 900px) {
  .app-layout {
    display: block;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    width: min(82vw, 320px);
    transform: translateX(-100%);
    transition: transform 180ms ease;
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  .content {
    padding-top: 82px;
  }

  .mobile-menu-button {
    position: fixed;
    top: 18px;
    left: 18px;
    z-index: 30;
    display: grid;
    gap: 4px;
    place-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
  }

  .mobile-menu-button span {
    width: 18px;
    height: 2px;
    background: var(--text);
  }

  .content-header,
  .header-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .metrics-row,
  .details-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .machine-row {
    grid-template-columns: 12px minmax(0, 1fr);
  }

  .ota-row {
    grid-template-columns: 1fr;
  }

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

  .machine-row > span:not(.status-dot):not(.machine-main) {
    grid-column: 2;
  }
}

@media (max-width: 560px) {
  .metrics-row,
  .details-grid {
    grid-template-columns: 1fr;
  }
}