:root {
  color-scheme: light;
  --canvas: var(--color-canvas);
  --ink: var(--color-ink);
  --lime: var(--color-primary);
  --lime-dark: var(--color-primary-hover);
  --blue: var(--color-secondary);
  --coral: var(--color-attention);
  --surface: var(--color-surface-raised);
  --muted: var(--color-muted);
  --line: var(--color-border);
  --shadow: var(--shadow-raised);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 0;
  min-height: 100%;
  background: var(--canvas);
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px),
    var(--canvas);
  background-size: 44px 44px;
}

button,
input {
  font: inherit;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.home-link {
  position: fixed;
  z-index: 20;
  top: 18px;
  left: 18px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.home-link svg,
.primary-button svg,
.secondary-button svg,
.icon-button svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-decoration {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(2px);
  pointer-events: none;
}

.page-decoration--one {
  top: -120px;
  right: -90px;
  width: 330px;
  height: 330px;
  border: 68px solid var(--color-primary-soft);
}

.page-decoration--two {
  bottom: -140px;
  left: -110px;
  width: 300px;
  height: 300px;
  border: 58px solid var(--color-secondary-soft);
}

.app-shell {
  width: min(100% - 36px, 1180px);
  min-height: 100svh;
  margin-inline: auto;
  padding: 24px 0;
}

.start-screen {
  min-width: 0;
  min-height: calc(100svh - 48px);
  display: grid;
  align-items: center;
}

.start-screen > .row {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  margin-inline: 0;
}

.start-screen > .row > * {
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  padding: 5px;
  border-radius: 12px;
  background: var(--ink);
}

.brand-mark i {
  display: block;
  border-radius: 4px;
  background: var(--lime);
}

.brand-mark i:nth-child(2) { background: var(--blue); }
.brand-mark i:nth-child(3) { background: var(--coral); }
.brand-mark i:nth-child(4) { background: var(--surface); }

.eyebrow {
  margin: 30px 0 9px;
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.start-copy h1 {
  max-width: 690px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.4rem, 7vw, 6rem);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.065em;
}

.start-copy h1 em {
  color: var(--blue);
  font-weight: 500;
}

.start-lead {
  max-width: 600px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.6;
}

.relay-preview {
  position: relative;
  min-width: 0;
  width: min(100%, 475px);
  height: 104px;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 26px;
  padding: 12px 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface) 76%, transparent);
  box-shadow: var(--shadow-soft);
}

.preview-tile {
  width: 54px;
  height: 54px;
  display: grid;
  flex: 0 0 54px;
  place-items: center;
  border: 3px solid rgba(255, 255, 255, 0.48);
  border-radius: 14px;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(31, 37, 34, 0.1);
}

.preview-tile--lime { background: var(--lime); }
.preview-tile--blue { background: var(--blue); }
.preview-tile--coral { background: var(--coral); }
.preview-tile--mist { background: color-mix(in srgb, var(--lime) 25%, var(--surface)); }
.preview-tile--relay,
.preview-tile--remote {
  border-color: var(--ink);
  background: var(--lime);
}

.preview-signal {
  width: 40px;
  height: 3px;
  display: block;
  flex: 1 1 40px;
  border-top: 3px dashed var(--blue);
}

.preview-tile--remote {
  background: var(--coral);
}

.setup-card {
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 30px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.setup-card__header {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.step-number {
  min-width: 54px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: var(--canvas);
  background: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-weight: 800;
}

.setup-label,
.setup-hint {
  margin: 0;
}

.setup-label {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.setup-hint {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.76rem;
}

.mode-picker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  border: 0;
}

.mode-picker legend {
  grid-column: 1 / -1;
  margin-bottom: 1px;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mode-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.mode-option {
  min-width: 0;
  min-height: 83px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 15px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.42);
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.mode-option:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--blue) 45%, transparent);
}

.mode-input:checked + .mode-option {
  border-color: var(--lime-dark);
  background: var(--color-primary-soft);
  box-shadow: inset 0 0 0 1px var(--lime-dark);
}

.mode-input:focus-visible + .mode-option {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

.mode-option strong,
.mode-option small {
  display: block;
}

.mode-option strong {
  font-size: 0.8rem;
}

.mode-option small,
.mode-best {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.62rem;
}

.mode-best b {
  color: var(--ink);
}

.quick-rules {
  display: grid;
  gap: 8px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.quick-rules li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.35;
}

.quick-rules b {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: var(--color-cell);
  font-size: 0.62rem;
}

.primary-button,
.secondary-button,
.icon-button,
.dialog-text-button {
  border: 0;
  cursor: pointer;
}

.primary-button {
  width: 100%;
  min-height: 53px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 7px 6px 19px;
  border-radius: 15px;
  color: var(--ink);
  background: var(--lime);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.primary-button__arrow {
  width: 41px;
  height: 41px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: var(--canvas);
  background: var(--ink);
}

.setup-message {
  min-height: 17px;
  margin: 8px 0 -10px;
  color: var(--muted);
  font-size: 0.68rem;
  text-align: center;
}

.game-dialog {
  padding: 31px;
  border: 1px solid var(--line);
  border-radius: 28px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
}

.dialog-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  border-radius: 18px;
  color: var(--ink);
  background: var(--lime);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.7rem;
  font-weight: 800;
}

.dialog-icon--pause {
  grid-template-columns: repeat(2, 6px);
  gap: 7px;
  justify-content: center;
  background: var(--color-secondary-soft);
}

.dialog-icon--pause i {
  width: 6px;
  height: 25px;
  border-radius: 5px;
  background: var(--blue);
}

.dialog-icon--lost {
  background: var(--color-attention-soft);
}

.dialog-kicker {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.game-dialog h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.45rem;
  font-weight: 500;
  letter-spacing: -0.045em;
}

.game-dialog > p:not(.dialog-kicker) {
  margin: 10px 0 22px;
  color: var(--muted);
}

.dialog-text-button {
  min-height: 44px;
  margin-top: 7px;
  padding: 8px 16px;
  color: var(--muted);
  background: transparent;
  font-size: 0.75rem;
  font-weight: 800;
}