:root {
  color-scheme: dark;
  --bg: #071016;
  --bg-grid: rgba(70, 242, 255, 0.08);
  --ink: #edf7ff;
  --muted: #8da2b3;
  --panel: rgba(12, 25, 34, 0.88);
  --panel-strong: rgba(16, 35, 47, 0.96);
  --line: rgba(126, 232, 255, 0.2);
  --line-strong: rgba(126, 232, 255, 0.45);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --teal: #31f3dc;
  --blue: #6aa8ff;
  --orange: #ff9d66;
  --red: #ff6f7c;
  --violet: #b792ff;
  --danger: #ff6f7c;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #eef4f7;
  --bg-grid: rgba(20, 85, 110, 0.08);
  --ink: #10212b;
  --muted: #607684;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --line: rgba(32, 91, 116, 0.18);
  --line-strong: rgba(20, 125, 121, 0.42);
  --shadow: 0 20px 52px rgba(25, 49, 61, 0.14);
  --teal: #087a73;
  --blue: #2f66c4;
  --orange: #c95e35;
  --red: #bd2f48;
  --violet: #6f4bd8;
  --danger: #bf3446;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--bg-grid) 1px, transparent 1px),
    radial-gradient(circle at 16% 12%, rgba(49, 243, 220, 0.22), transparent 28rem),
    radial-gradient(circle at 84% 0%, rgba(106, 168, 255, 0.18), transparent 26rem),
    var(--bg);
  background-size: 36px 36px, 36px 36px, auto, auto, auto;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background: linear-gradient(rgba(255, 255, 255, 0.025) 50%, transparent 50%);
  background-size: 100% 6px;
  opacity: 0.34;
}

button,
select,
input {
  font: inherit;
}

a {
  color: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  background: var(--ink);
  color: var(--bg);
  padding: 0.6rem 0.8rem;
}

.skip-link:focus {
  top: 1rem;
}

.shell-header,
.dashboard {
  width: min(1380px, 100%);
  margin: 0 auto;
  padding-inline: clamp(1rem, 3vw, 2rem);
}

.shell-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.4rem;
  padding-bottom: 1rem;
}

.brand-block {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  min-width: 0;
}

.brand-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.eyebrow,
.panel-kicker {
  margin: 0;
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 2.5vw, 2.35rem);
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.status-pill {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: color-mix(in srgb, var(--teal) 14%, transparent);
  padding: 0.35rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.7rem;
}

.header-actions form {
  margin: 0;
}

.button,
.icon-button,
.segment,
.theme-toggle {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 800;
}

.button,
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.68rem 0.9rem;
  white-space: nowrap;
}

.primary {
  border-color: color-mix(in srgb, var(--teal) 55%, transparent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--teal) 28%, transparent), color-mix(in srgb, var(--blue) 18%, transparent));
  box-shadow: 0 0 26px color-mix(in srgb, var(--teal) 18%, transparent);
}

.secondary {
  width: 100%;
  border-color: color-mix(in srgb, var(--blue) 42%, transparent);
  background: color-mix(in srgb, var(--blue) 12%, var(--panel));
}

.compact-button {
  width: auto;
  text-decoration: none;
}

.theme-toggle {
  color: var(--muted);
}

.toggle-track {
  position: relative;
  width: 42px;
  height: 22px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--teal) 16%, transparent);
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 14px var(--teal);
  transition: transform 160ms ease;
}

[data-theme="light"] .toggle-thumb {
  transform: translateX(18px);
}

.dashboard {
  padding-bottom: 2rem;
}

.control-deck {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(280px, 440px) minmax(180px, auto);
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.range-nav {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  gap: 0.6rem;
  align-items: center;
}

.icon-button {
  width: 44px;
  font-size: 1.4rem;
}

.range-copy {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 0.45rem 0.7rem;
  text-align: center;
}

.range-copy span,
.range-copy strong {
  display: block;
}

.range-copy span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.range-copy strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(5, minmax(54px, 1fr));
  gap: 0.35rem;
  padding: 0.3rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
}

.segment {
  background: transparent;
  color: var(--muted);
}

.segment.active {
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--teal) 16%, var(--panel));
  color: var(--ink);
}

.metric-select {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  font-weight: 800;
}

.metric-select select {
  min-height: 44px;
  min-width: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 0 2rem 0 0.7rem;
}

.summary-grid,
.chart-grid,
.details-grid {
  display: grid;
  gap: 1rem;
}

.summary-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.chart-grid > .summary-grid {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.metric-card,
.chart-panel,
.gauge-panel,
.insight-panel,
.admin-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: var(--shadow);
}

.metric-card::before,
.chart-panel::before,
.gauge-panel::before,
.insight-panel::before,
.admin-panel::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 42%);
}

.metric-card {
  display: grid;
  gap: 0.35rem;
  min-height: 132px;
  padding: 1rem;
}

.metric-card::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  content: "";
  background: var(--teal);
  box-shadow: 0 0 22px var(--teal);
}

.metric-card[data-accent="blue"]::after {
  background: var(--blue);
  box-shadow: 0 0 22px var(--blue);
}

.metric-card[data-accent="orange"]::after {
  background: var(--orange);
  box-shadow: 0 0 22px var(--orange);
}

.metric-card[data-accent="red"]::after {
  background: var(--red);
  box-shadow: 0 0 22px var(--red);
}

.metric-card[data-accent="violet"]::after {
  background: var(--violet);
  box-shadow: 0 0 22px var(--violet);
}

.metric-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.metric-card strong {
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
}

.delta {
  color: var(--teal);
  font-size: 0.86rem;
  font-weight: 800;
}

.delta.negative {
  color: var(--danger);
}

.chart-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.chart-panel {
  min-width: 0;
  padding: 1rem;
}

.chart-panel.wide {
  grid-column: 1 / -1;
}

.today-gauges {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 1.15fr repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.today-gauges[hidden],
.chart-panel[hidden] {
  display: none;
}

.gauge-panel {
  min-width: 0;
  padding: 1rem;
}

.gauge-panel h2,
.gauge-panel .panel-kicker,
.gauge-ring {
  position: relative;
  z-index: 2;
}

.gauge-ring {
  --score: 0;
  --gauge-color: var(--teal);
  display: grid;
  place-items: center;
  width: min(180px, 58vw);
  aspect-ratio: 1;
  margin: 1rem auto 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--panel-strong) 0 58%, transparent 59%),
    conic-gradient(var(--gauge-color) calc(var(--score) * 1%), color-mix(in srgb, var(--line) 70%, transparent) 0);
  box-shadow: inset 0 0 28px rgba(0, 0, 0, 0.2), 0 0 28px color-mix(in srgb, var(--gauge-color) 18%, transparent);
}

.gauge-sparkline {
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  width: 100%;
  height: 58%;
  opacity: 0.36;
}

.gauge-panel[data-accent="blue"] .gauge-ring {
  --gauge-color: var(--blue);
}

.gauge-panel[data-accent="violet"] .gauge-ring {
  --gauge-color: var(--violet);
}

.overall-gauge {
  border-color: color-mix(in srgb, var(--teal) 34%, var(--blue));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--teal) 12%, var(--panel-strong)), var(--panel)),
    linear-gradient(135deg, transparent, color-mix(in srgb, var(--blue) 12%, transparent));
}

.overall-gauge .gauge-ring {
  --gauge-color: color-mix(in srgb, var(--teal) 55%, var(--blue));
  width: min(200px, 60vw);
}

.gauge-ring span {
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
}

.gauge-delta {
  position: relative;
  z-index: 2;
  display: block;
  margin-top: 0.8rem;
  color: var(--teal);
  font-size: 0.86rem;
  font-weight: 900;
  text-align: center;
}

.gauge-delta.negative {
  color: var(--danger);
}

.panel-heading {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  min-height: 48px;
}

.panel-heading.compact {
  display: block;
}

.panel-heading p:not(.panel-kicker) {
  max-width: 40rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

canvas {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 290px;
}

.chart-tooltip {
  position: fixed;
  z-index: 20;
  display: none;
  pointer-events: none;
  max-width: min(260px, calc(100vw - 2rem));
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel-strong) 94%, black);
  box-shadow: var(--shadow);
  color: var(--ink);
  padding: 0.55rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 800;
}

.chart-tooltip strong,
.chart-tooltip span {
  display: block;
}

.chart-tooltip span {
  color: var(--muted);
  font-weight: 700;
}

.chart-panel:not(.wide) canvas {
  height: 230px;
}

.details-grid {
  grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
}

.insight-panel,
.admin-panel {
  padding: 1rem;
}

.insight-panel ul {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.8rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.insight-panel li {
  border-left: 3px solid var(--teal);
  padding-left: 0.8rem;
  color: var(--ink);
}

.admin-panel dl {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.72rem;
  margin: 0.9rem 0 1rem;
}

.admin-panel dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.65rem;
}

.admin-panel dt {
  color: var(--muted);
  font-weight: 800;
}

.admin-panel dd {
  margin: 0;
  text-align: right;
}

.sync-status {
  position: relative;
  z-index: 1;
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.text-link {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-top: 0.72rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.auth-page {
  display: grid;
  place-items: center;
  padding: 1rem;
}

.auth-shell {
  width: min(440px, 100%);
}

.auth-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.auth-panel h1 {
  margin: 0.8rem 0 1.2rem;
}

.auth-form,
.user-form {
  display: grid;
  gap: 0.8rem;
}

.auth-form label,
.user-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.auth-form input,
.user-form input {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 0 0.75rem;
}

.form-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.86rem;
  font-weight: 800;
}

.user-admin-panel {
  grid-column: 1 / -1;
}

.drawer-heading {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.drawer-body {
  margin-top: 1rem;
}

.user-admin-panel.collapsed {
  padding-bottom: 1rem;
}

.user-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.user-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
}

.user-row strong,
.user-row span {
  display: block;
}

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

@media (max-width: 940px) {
  .shell-header,
  .control-deck {
    align-items: stretch;
    grid-template-columns: 1fr;
  }

  .shell-header {
    display: grid;
  }

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

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

  .chart-grid,
  .details-grid {
    grid-template-columns: 1fr;
  }

  .today-gauges {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gauge-ring {
    width: min(150px, 28vw);
  }
}

@media (max-width: 540px) {
  .brand-block {
    display: grid;
    gap: 0.45rem;
  }

  .brand-meta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.65rem;
  }

  .header-actions {
    display: flex;
    justify-content: stretch;
  }

  .header-actions .button {
    flex: 1;
  }

  .theme-toggle {
    min-height: 34px;
    gap: 0;
    padding: 0.34rem 0.45rem;
  }

  .theme-toggle #themeLabel {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .toggle-track {
    width: 36px;
    height: 20px;
  }

  .toggle-thumb {
    width: 12px;
    height: 12px;
  }

  [data-theme="light"] .toggle-thumb {
    transform: translateX(16px);
  }

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

  .today-gauges {
    grid-template-columns: 1fr;
  }

  .gauge-ring {
    width: min(170px, 52vw);
  }

  .metric-select {
    align-items: stretch;
    flex-direction: column;
    gap: 0.35rem;
  }

  .metric-select select,
  .segmented-control {
    width: 100%;
  }

  .panel-heading {
    display: block;
    min-height: auto;
  }

  canvas,
  .chart-panel:not(.wide) canvas {
    height: 220px;
  }
}