:root {
  color-scheme: dark;
  font-family: "Space Grotesk", "Avenir Next", ui-sans-serif, system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #0b0f0e;
  --page-bg: #0b0f0e;
  --paper: #edf1e7;
  --muted: #89948b;
  --line: #27302c;
  --field: #111816;
  --field-strong: #18221e;
  --acid: #b8ff54;
  --aqua: #74e5d5;
  --orange: #ff815b;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
}

:root[data-theme="light"] {
  color-scheme: light;
  --ink: #183448;
  --page-bg: #f4f8f6;
  --paper: #183448;
  --muted: #668091;
  --line: #d1dde4;
  --field: #ffffff;
  --field-strong: #eaf2f0;
  --acid: #6da642;
  --aqua: #4f8da3;
  --orange: #c86d4d;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page-bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 86% 0%, rgba(45, 101, 73, 0.2), transparent 28rem),
    var(--page-bg);
}

:root[data-theme="light"] body {
  background:
    radial-gradient(circle at 86% 0%, rgba(155, 203, 222, 0.24), transparent 28rem),
    var(--page-bg);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  content: "";
  opacity: 0.55;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(180, 220, 190, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180, 220, 190, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}

:root[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(24, 52, 72, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 52, 72, 0.035) 1px, transparent 1px);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select {
  border-radius: 0;
}

::selection {
  color: var(--ink);
  background: var(--acid);
}

:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100% - 68px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 0 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  margin-bottom: 76px;
  border-bottom: 1px solid var(--line);
}

.topbar-tools,
.actions,
.brand {
  display: flex;
  align-items: center;
}

.topbar-tools {
  gap: 22px;
}

.brand {
  gap: 12px;
  color: var(--paper);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.fieldline-mark {
  display: grid;
  width: 16px;
  height: 16px;
  gap: 2px;
  grid-template-columns: repeat(2, 7px);
  transform: rotate(-45deg);
}

.fieldline-mark i {
  display: block;
  width: 7px;
  height: 7px;
  background: var(--acid);
}

.fieldline-mark i:nth-child(2) {
  background: var(--aqua);
}

.fieldline-mark i:nth-child(3) {
  background: var(--orange);
}

.eyebrow,
.theme-toggle,
.node-name,
.status,
.list-empty,
.form-message {
  font-family: var(--mono);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.theme-toggle {
  padding: 8px 10px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  background: transparent;
  border: 1px solid var(--line);
}

.theme-toggle:hover {
  color: var(--paper);
  border-color: var(--acid);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 700px;
  margin-bottom: 20px;
  color: var(--paper);
  font-size: clamp(3rem, 7vw, 6.6rem);
  font-weight: 500;
  letter-spacing: -0.1em;
  line-height: 0.9;
}

h2 {
  margin-bottom: 0;
  color: var(--paper);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 430px;
  color: var(--muted);
  line-height: 1.6;
}

.panel {
  background: color-mix(in srgb, var(--field) 92%, transparent);
  border: 1px solid var(--line);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.14);
}

.auth-card {
  width: min(560px, 100%);
  margin: 0 auto;
  padding: clamp(28px, 6vw, 58px);
  border-top: 2px solid var(--acid);
}

form {
  display: grid;
  gap: 17px;
  margin-top: 30px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  padding: 13px 14px;
  color: var(--paper);
  background: var(--field-strong);
  border: 1px solid var(--line);
  outline: none;
}

input::placeholder {
  color: var(--muted);
  opacity: 0.8;
}

input:focus,
select:focus {
  border-color: var(--acid);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--acid) 18%, transparent);
}

.button {
  min-height: 43px;
  padding: 11px 16px;
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button.primary {
  color: var(--ink);
  background: var(--acid);
}

.button.primary:hover {
  background: color-mix(in srgb, var(--acid) 84%, white);
}

.button.secondary {
  background: var(--field-strong);
  border-color: var(--line);
}

.button.secondary:hover {
  border-color: var(--aqua);
}

.button.ghost {
  padding-right: 0;
  padding-left: 0;
  color: var(--muted);
  background: transparent;
}

.button.ghost:hover {
  color: var(--paper);
}

.button.small {
  min-height: 34px;
  padding: 7px 10px;
  font-size: 10px;
}

.auth-card > .button {
  width: 100%;
  margin-top: 12px;
}

.notice {
  margin: 20px 0 -4px;
  padding: 12px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.5;
  border: 1px solid color-mix(in srgb, var(--orange) 44%, transparent);
  background: color-mix(in srgb, var(--orange) 8%, transparent);
}

.form-message {
  min-height: 1.4em;
  margin: 16px 0 0;
  color: var(--orange);
  font-size: 10px;
  line-height: 1.5;
}

.dashboard-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.dashboard-head h1 {
  margin-bottom: 10px;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
}

.actions {
  flex-wrap: wrap;
  justify-content: end;
  gap: 14px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.console-nav {
  display: flex;
  gap: 22px;
  margin: 0 0 26px;
  border-bottom: 1px solid var(--line);
}

.nav-button {
  position: relative;
  padding: 0 0 13px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: transparent;
  border: 0;
}

.nav-button::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  content: "";
  background: transparent;
}

.nav-button:hover,
.nav-button.active {
  color: var(--paper);
}

.nav-button.active::after {
  background: var(--acid);
}

.view-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.view-header h2 {
  margin-top: 9px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.view-lede {
  max-width: 580px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.back-button {
  display: block;
  margin-bottom: 14px;
}

.overview-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.overview-stat {
  display: grid;
  min-height: 132px;
  align-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  background: var(--field);
}

.overview-stat strong {
  color: var(--paper);
  font-size: clamp(1.25rem, 2.2vw, 2.05rem);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.overview-label,
.overview-note {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.overview-note {
  text-transform: none;
  letter-spacing: 0;
}

.overview-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 40px 0 14px;
}

.overview-heading h2 {
  margin-top: 8px;
}

.status-message {
  margin: 0 0 14px;
  padding: 12px 14px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.5;
  border: 1px solid color-mix(in srgb, var(--orange) 44%, transparent);
  background: color-mix(in srgb, var(--orange) 8%, transparent);
}

.muted {
  margin-bottom: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.reading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.reading-card {
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 24px;
  background: var(--field);
  border: 0;
  box-shadow: none;
}

.reading-card:first-child {
  border-top: 2px solid var(--acid);
}

.node-name {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.02em;
}

.node-identity {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.node-name strong {
  color: var(--paper);
  font-weight: 500;
}

.status-shape {
  display: inline-block;
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
}

.status-shape.is-ok {
  background: var(--acid);
  border-radius: 50%;
}

.status-shape.is-offline {
  border: 1px solid var(--orange);
  transform: rotate(45deg);
}

.node-status {
  color: var(--acid);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reading-card.is-offline .node-status {
  color: var(--orange);
}

.level {
  margin: 34px 0 2px;
  color: var(--paper);
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.1em;
  line-height: 0.9;
}

.level small {
  display: block;
  margin: 6px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0;
}

.raw-note {
  margin-top: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
}

.reading-facts {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.reading-fact {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.reading-fact span,
.reading-footer {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
}

.reading-fact strong {
  color: var(--paper);
  font-size: 11px;
  font-weight: 500;
}

.reading-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
}

.empty {
  margin-top: 14px;
  padding: 54px 24px;
  text-align: center;
  border-top: 2px solid var(--aqua);
}

.empty-icon {
  color: var(--aqua);
  font-family: var(--mono);
  font-size: 2.2rem;
}

.empty h2 {
  margin: 14px 0 8px;
}

.empty p {
  max-width: 420px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.lower-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(350px, 1.18fr);
  gap: 1px;
  margin-top: 14px;
  background: var(--line);
  border: 1px solid var(--line);
}

.command-panel,
.lifecycle-panel {
  padding: 24px;
  background: var(--field);
  border: 0;
  box-shadow: none;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.section-head .eyebrow {
  margin-bottom: 8px;
}

.command-form {
  grid-template-columns: 1fr 1fr;
  margin-top: 26px;
}

.command-form label:nth-child(3),
.command-form label:nth-child(4),
.command-form button {
  grid-column: span 2;
}

.command-list {
  display: grid;
  gap: 0;
  margin-top: 24px;
}

.command-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  padding: 13px 0;
  font-size: 10px;
  border-top: 1px solid var(--line);
}

.command-row span {
  color: var(--muted);
}

.status {
  color: var(--acid);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.list-empty {
  padding: 14px 0;
  color: var(--muted);
  font-size: 10px;
}

.settings-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(420px, 1.22fr);
  gap: 14px;
  align-items: start;
}

.node-directory,
.node-form,
.empty-settings,
.chart-panel,
.events-panel,
.readings-panel {
  padding: 24px;
}

.node-directory {
  min-height: 360px;
}

.node-directory h3,
.node-form h3,
.chart-panel h3,
.events-panel h3,
.readings-panel h3 {
  margin: 0;
  color: var(--paper);
  font-size: 1.1rem;
  font-weight: 600;
}

.list-count {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.node-settings-list {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  background: var(--line);
  border: 1px solid var(--line);
}

.node-setting-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px 12px;
  padding: 16px;
  color: var(--paper);
  text-align: left;
  background: var(--field);
  border: 0;
}

.node-setting-row:hover,
.node-setting-row.active {
  background: var(--field-strong);
}

.node-setting-row strong {
  font-size: 13px;
  font-weight: 600;
}

.node-setting-row span {
  grid-column: 1;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
}

.node-setting-status {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  text-transform: uppercase;
}

.node-setting-status.online {
  color: var(--acid);
}

.node-setting-status.silent {
  color: var(--orange);
}

.node-form {
  display: grid;
  gap: 24px;
  margin: 0;
}

.node-form[hidden] {
  display: none;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 17px;
}

.form-section {
  display: grid;
  gap: 18px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.form-section-title {
  margin: 0 0 5px;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.form-help {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.empty-settings {
  min-height: 360px;
  grid-column: 2;
  border-top: 2px solid var(--aqua);
}

.empty-settings h3 {
  margin: 18px 0 8px;
}

.empty-settings p {
  max-width: 360px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.detail-summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin-bottom: 14px;
  background: var(--line);
  border: 1px solid var(--line);
}

.detail-stat {
  display: grid;
  gap: 12px;
  min-height: 110px;
  padding: 18px;
  background: var(--field);
}

.detail-stat span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.detail-stat strong {
  color: var(--paper);
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: -0.05em;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 14px;
  margin-bottom: 14px;
}

.chart-panel,
.events-panel {
  min-height: 320px;
}

.level-chart {
  position: relative;
  min-height: 230px;
  margin-top: 22px;
  overflow: hidden;
  background:
    linear-gradient(to bottom, transparent 24%, var(--line) 25%, transparent 26%, transparent 49%, var(--line) 50%, transparent 51%, transparent 74%, var(--line) 75%, transparent 76%),
    color-mix(in srgb, var(--field-strong) 70%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.level-chart::after {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  content: "";
  background: var(--line);
}

.chart-line {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--aqua) 32%, transparent);
  clip-path: polygon(var(--chart-points), 100% 100%, 0 100%);
}

.chart-empty {
  margin-top: 22px;
  padding: 38px 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.5;
  border: 1px dashed var(--line);
}

.event-list {
  display: grid;
  margin-top: 22px;
}

.event-row {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 12px;
  padding: 13px 0;
  color: var(--paper);
  font-size: 11px;
  line-height: 1.45;
  border-top: 1px solid var(--line);
}

.event-row time {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
}

.readings-panel {
  margin-bottom: 14px;
}

.detail-reading-list {
  display: grid;
  margin-top: 20px;
}

.detail-reading-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 12px;
  padding: 12px 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  border-top: 1px solid var(--line);
}

.detail-reading-row strong {
  color: var(--paper);
  font-weight: 500;
}

@media (max-width: 700px) {
  .shell {
    width: min(100% - 26px, 560px);
    padding-bottom: 42px;
  }

  .topbar {
    min-height: 72px;
    margin-bottom: 52px;
  }

  .topbar-tools .eyebrow {
    display: none;
  }

  .dashboard-head {
    align-items: start;
    flex-direction: column;
  }

  .actions {
    justify-content: start;
  }

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

  .overview-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .view-header {
    align-items: start;
    flex-direction: column;
  }

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

  .empty-settings {
    grid-column: auto;
  }

  .detail-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-stat:last-child {
    grid-column: span 2;
  }

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

  .overview-heading {
    margin-top: 32px;
  }

  .command-form {
    grid-template-columns: 1fr;
  }

  .command-form label:nth-child(3),
  .command-form label:nth-child(4),
  .command-form button {
    grid-column: auto;
  }
}

@media (max-width: 430px) {
  .overview-strip {
    grid-template-columns: 1fr;
  }

  .console-nav {
    gap: 15px;
    overflow-x: auto;
  }

  .detail-summary {
    grid-template-columns: 1fr;
  }

  .detail-stat:last-child {
    grid-column: auto;
  }

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

@media (prefers-reduced-motion: reduce) {
  .button {
    transition: none;
  }

  .button:hover {
    transform: none;
  }
}