:root {
  --vixo-green: #39ff14;
  --carbon: #0d0d0d;
  --ink: #111111;
  --muted: #5d655a;
  --surface: #f7f8f5;
  --line: #d9dfd4;
  --white: #ffffff;
  --blue: #1e88e5;
  --danger: #e53935;
  --shadow: 0 18px 45px rgba(13, 13, 13, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--surface);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font-family: Raleway, Arial, sans-serif;
  letter-spacing: 0;
  background:
    linear-gradient(90deg, rgba(57, 255, 20, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(0deg, rgba(13, 13, 13, 0.05) 0 1px, transparent 1px 100%),
    var(--surface);
  background-size: 40px 40px;
}

button,
input,
select {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: rgba(13, 13, 13, 0.94);
  border-bottom: 1px solid rgba(57, 255, 20, 0.35);
  backdrop-filter: blur(14px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  font-size: 1.12rem;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.topbar-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  color: var(--carbon);
  font-size: 0.78rem;
  font-weight: 800;
  background: var(--vixo-green);
  border-radius: 999px;
}

.shell {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.7fr);
  gap: clamp(18px, 3vw, 32px);
  width: min(1180px, calc(100% - 32px));
  margin: 34px auto;
}

.console,
.status-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.console {
  min-height: 620px;
  padding: clamp(24px, 4vw, 42px);
}

.console-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.eyebrow,
.label {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--carbon);
  font-size: clamp(2.4rem, 8vw, 6rem);
  line-height: 0.92;
  font-weight: 800;
}

.station-name {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 600;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.program-card {
  display: grid;
  gap: 18px;
  min-height: 180px;
  padding: 18px;
  text-align: left;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.program-card:hover,
.program-card:focus-visible {
  outline: none;
  border-color: var(--carbon);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(13, 13, 13, 0.12);
}

.program-card.active {
  color: var(--carbon);
  border-color: var(--vixo-green);
  background: linear-gradient(180deg, rgba(57, 255, 20, 0.18), #ffffff 58%);
}

.program-card strong {
  font-size: 1.08rem;
  line-height: 1.25;
}

.program-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.program-price {
  color: var(--carbon);
  font-size: 1.7rem;
  font-weight: 800;
}

.checkout-panel {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(110px, 0.5fr) auto;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
  padding: 18px;
  color: var(--white);
  background: var(--carbon);
  border-radius: 8px;
}

.checkout-panel strong {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
}

.primary-action {
  min-height: 52px;
  padding: 0 18px;
  color: var(--carbon);
  font-weight: 800;
  background: var(--vixo-green);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.primary-action:disabled {
  cursor: wait;
  opacity: 0.65;
}

.status-panel {
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: 620px;
  padding: 22px;
}

.device-card {
  display: grid;
  gap: 8px;
  padding: 16px;
  color: var(--white);
  background: var(--carbon);
  border-left: 5px solid var(--vixo-green);
}

.device-card p {
  margin: 0;
  color: #d8ded5;
  font-size: 0.9rem;
  line-height: 1.5;
}

.flow-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
  background: #eef2eb;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.flow-list li::after {
  width: 10px;
  height: 10px;
  content: "";
  background: #b8c1b1;
  border-radius: 50%;
}

.flow-list li.active {
  color: var(--carbon);
  border-color: var(--vixo-green);
  background: rgba(57, 255, 20, 0.18);
}

.flow-list li.active::after {
  background: var(--vixo-green);
  box-shadow: 0 0 0 5px rgba(57, 255, 20, 0.18);
}

.command-output {
  overflow: auto;
  max-height: 240px;
  margin: 0;
  padding: 14px;
  color: #d6f8cf;
  font: 0.78rem/1.55 Consolas, "Courier New", monospace;
  background: #111611;
  border-radius: 8px;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .console,
  .status-panel {
    min-height: auto;
  }

  .program-grid,
  .checkout-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-meta {
    justify-content: flex-start;
  }

  .shell {
    width: min(100% - 20px, 1180px);
    margin: 18px auto;
  }
}