:root {
  color-scheme: dark;
  --background: #070b11;
  --surface: #0d141d;
  --surface-raised: #111c27;
  --border: #263545;
  --border-bright: #3c556b;
  --text: #e4edf4;
  --muted: #8fa1af;
  --accent: #6de4c4;
  --accent-dark: #173b36;
  --warning: #f1c76b;
  --error: #ff8d8d;
  --shadow: 0 24px 70px rgb(0 0 0 / 35%);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgb(37 89 88 / 18%), transparent 32rem),
    radial-gradient(circle at 90% 75%, rgb(40 61 91 / 14%), transparent 28rem),
    linear-gradient(180deg, #080d14 0%, #06090e 100%);
}

button,
input {
  font: inherit;
}

button,
.launch-button {
  min-height: 46px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.8rem 1.15rem;
  color: #04100d;
  background: var(--accent);
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    background-color 150ms ease,
    border-color 150ms ease,
    transform 150ms ease;
}

button:hover,
.launch-button:hover {
  background: #91ecd4;
  border-color: #91ecd4;
  transform: translateY(-1px);
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

button.secondary {
  color: var(--text);
  background: transparent;
  border-color: var(--border-bright);
}

button.secondary:hover {
  background: var(--surface-raised);
  border-color: var(--muted);
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.masthead {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  letter-spacing: 0.22em;
}

.brand small {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
}

.network-state {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.state-light {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
  box-shadow: 0 0 12px currentColor;
}

.state-light.online {
  color: var(--accent);
  background: var(--accent);
}

.state-light.offline {
  color: var(--error);
  background: var(--error);
}

.intro {
  max-width: 720px;
  padding: clamp(3.5rem, 8vw, 7rem) 0 2.5rem;
}

.eyebrow,
.panel-code,
.game-status {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.intro h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.intro > p:last-child {
  max-width: 610px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.message {
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-bright);
  border-left: 3px solid var(--accent);
  padding: 1rem 1.1rem;
  color: var(--text);
  background: var(--surface);
}

.message.error {
  border-left-color: var(--error);
  color: #ffd0d0;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: clamp(1.35rem, 3vw, 2rem);
  background:
    linear-gradient(135deg, rgb(255 255 255 / 2%), transparent 45%),
    var(--surface);
  box-shadow: var(--shadow);
}

.panel h2,
.section-heading h2 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.025em;
}

.loading-panel {
  min-height: 180px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1rem;
  color: var(--muted);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: rotate 700ms linear infinite;
}

@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: start;
}

form {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.6rem;
}

label {
  display: grid;
  gap: 0.5rem;
  color: #c9d6df;
  font-size: 0.85rem;
  font-weight: 650;
}

label small {
  color: var(--muted);
  font-weight: 400;
}

input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.75rem 0.9rem;
  color: var(--text);
  background: #080e15;
  outline: none;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(109 228 196 / 12%);
}

.account-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

#accountEmail {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.games {
  padding: 4rem 0 2rem;
}

.section-heading {
  margin-bottom: 1.4rem;
}

.game-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  border: 1px solid var(--border-bright);
  border-radius: 6px;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  background:
    linear-gradient(90deg, rgb(109 228 196 / 8%), transparent 42%),
    var(--surface-raised);
  box-shadow: var(--shadow);
}

.game-number {
  color: var(--border-bright);
  font-family: Consolas, "Courier New", monospace;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1;
}

.game-content h3 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
}

.game-content > p:last-child {
  max-width: 650px;
  margin: 0.75rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.launch-button {
  display: inline-grid;
  place-items: center;
  min-width: 140px;
  text-decoration: none;
}

footer {
  margin-top: auto;
  min-height: 90px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--border);
  color: #667784;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 760px) {
  .auth-grid {
    grid-template-columns: 1fr;
  }

  .account-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .game-card {
    grid-template-columns: 1fr;
  }

  .game-number {
    font-size: 2rem;
  }

  .launch-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .shell {
    width: min(100% - 1.2rem, 1120px);
  }

  .masthead {
    min-height: 76px;
  }

  .network-state {
    font-size: 0;
  }

  .network-state span:last-child {
    display: none;
  }

  .intro {
    padding-top: 3rem;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}