:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #071311;
  color: #f2f7f5;
  font-synthesis: none;
  --lime: #baff45;
  --mint: #4be6b0;
  --panel: rgba(17, 37, 33, .88);
  --line: rgba(166, 223, 204, .16);
  --muted: #94aaa3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 85% 0%, rgba(75, 230, 176, .14), transparent 30rem),
    linear-gradient(160deg, #091a17 0%, #050b0a 72%);
}

button, input, select { font: inherit; }
button { touch-action: manipulation; }

.shell {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 14px max(20px, env(safe-area-inset-bottom));
}

.topbar, .connection-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar { min-height: 42px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: inherit;
  text-decoration: none;
  font-weight: 850;
  font-size: 1.12rem;
  letter-spacing: -.03em;
}

.brand img { width: 38px; height: 38px; border-radius: 11px; }

.connection-card, .price-card, .global-brightness-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 18px 52px rgba(0, 0, 0, .22);
  backdrop-filter: blur(18px);
}

.connection-card {
  margin-top: 12px;
  padding: 11px 12px;
  border-radius: 17px;
}

.global-brightness-card {
  display: grid;
  grid-template-columns: 1fr minmax(112px, auto) auto;
  align-items: center;
  gap: 8px;
  margin-top: 11px;
  padding: 9px 12px;
  border-radius: 15px;
}
.brightness-mixed[hidden] { display: block; visibility: hidden; }

.connection-summary { min-width: 0; }
.connection-line { display: flex; align-items: center; gap: 8px; }
.connection-line strong { font-size: .94rem; }
.status-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #65736f;
  box-shadow: 0 0 0 4px rgba(101, 115, 111, .12);
}
.status-dot.connected {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(186, 255, 69, .14), 0 0 18px rgba(186, 255, 69, .7);
}
.device-name {
  overflow: hidden;
  margin: 3px 0 0 17px;
  color: var(--muted);
  font-size: .76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.secondary-button, .quiet-button, .digit-step {
  border: 0;
  font-weight: 800;
  cursor: pointer;
  transition: transform .12s ease, opacity .12s ease, background .12s ease;
}
.secondary-button:active, .quiet-button:active, .digit-step:active {
  transform: scale(.96);
}
.secondary-button:disabled, .quiet-button:disabled, .digit-step:disabled,
.brightness-select:disabled {
  cursor: default;
  opacity: .38;
}
.secondary-button {
  flex: 0 0 auto;
  padding: 11px 15px;
  border-radius: 13px;
  color: #dcfff3;
  background: #1c4439;
}
.quiet-button {
  padding: 9px 12px;
  border-radius: 12px;
  color: var(--lime);
  background: rgba(186, 255, 69, .08);
}

.fuel-modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 11px;
  margin-top: 11px;
}

.price-card { padding: 13px; border-radius: 19px; }
.module-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 2px 9px;
}
.module-name {
  width: min(100%, 15rem);
  min-width: 0;
  padding: 3px 6px;
  border: 1px solid transparent;
  border-radius: 8px;
  outline: 0;
  color: inherit;
  background: transparent;
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: -.025em;
}
.module-name:hover { border-color: var(--line); }
.module-name:focus {
  border-color: rgba(186, 255, 69, .38);
  background: rgba(0, 0, 0, .2);
  box-shadow: 0 0 0 3px rgba(186, 255, 69, .08);
}
.module-status {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #65736f;
  box-shadow: 0 0 0 3px rgba(101, 115, 111, .12);
}
.module-status.online {
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(186, 255, 69, .12);
}
.module-status.pending {
  background: #ffd46a;
  box-shadow: 0 0 0 3px rgba(255, 212, 106, .12);
}
.module-status.error {
  background: #ff8e88;
  box-shadow: 0 0 0 3px rgba(255, 142, 136, .12);
}
.price-card.offline .digit-input { color: #8da66a; }
.price-card.module-error { border-color: rgba(255, 142, 136, .35); }

.digit-fieldset { margin: 0; padding: 0; border: 0; }
.digit-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 12px repeat(3, minmax(0, 1fr)) 22px;
  align-items: stretch;
  gap: 4px;
}
.digit-stepper {
  display: grid;
  grid-template-rows: 44px minmax(64px, auto) 44px;
  gap: 4px;
  min-width: 0;
}
.digit-step {
  width: 100%;
  min-height: 44px;
  padding: 0;
  border: 1px solid rgba(186, 255, 69, .18);
  border-radius: 11px;
  color: var(--lime);
  background: rgba(186, 255, 69, .075);
  font-size: 1.05rem;
  line-height: 1;
}
.digit-step:hover:not(:disabled) { background: rgba(186, 255, 69, .14); }
.digit-step:focus-visible, .brightness-select:focus-visible, .module-name:focus-visible,
.secondary-button:focus-visible, .quiet-button:focus-visible {
  outline: 3px solid rgba(186, 255, 69, .32);
  outline-offset: 2px;
}

.digit-input {
  width: 100%;
  min-width: 0;
  padding: 7px 1px;
  border: 1px solid #365c51;
  border-radius: 14px;
  outline: none;
  background: #06100e;
  color: var(--lime);
  text-align: center;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(2.6rem, 15vw, 4.4rem);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .35);
}

.price-mark {
  display: grid;
  grid-template-rows: 44px minmax(64px, auto) 44px;
  gap: 4px;
  color: var(--lime);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-weight: 800;
  line-height: 1;
}
.price-mark span { grid-row: 2; }
.price-decimal span { align-self: end; padding-bottom: 9px; font-size: 1.75rem; }
.currency-symbol span { align-self: center; font-size: 1.2rem; }

.brightness-label {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 700;
}
.brightness-mixed {
  color: #ffd46a;
  font-size: .72rem;
  font-weight: 750;
}
.brightness-select {
  min-height: 38px;
  padding: 0 32px 0 12px;
  border: 1px solid rgba(186, 255, 69, .18);
  border-radius: 10px;
  color: #dcfff3;
  background: rgba(186, 255, 69, .075);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}
.brightness-select:hover:not(:disabled) { background: rgba(186, 255, 69, .14); }

.message {
  min-height: 20px;
  margin: 10px 4px 0;
  color: #b8cbc5;
  text-align: center;
  font-size: .82rem;
}
.message:empty { display: none; }
.message[data-kind="warning"] { color: #ffd46a; }
.message[data-kind="error"] { color: #ff8e88; }
.compatibility {
  margin: 10px 4px 0;
  padding: 12px;
  border-radius: 13px;
  color: #ffe09b;
  background: rgba(255, 196, 66, .1);
  line-height: 1.4;
  font-size: .82rem;
}
.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;
}

@media (max-width: 360px) {
  .shell { padding-left: 10px; padding-right: 10px; }
  .price-card { padding: 11px 9px; }
  .digit-controls { gap: 3px; }
  .digit-stepper, .price-mark { grid-template-rows: 42px minmax(60px, auto) 42px; }
  .digit-step { min-height: 42px; }
  .digit-input { border-radius: 12px; font-size: 2.55rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}