:root {
  color-scheme: dark;
  --bg: #08101a;
  --panel: rgba(13, 20, 29, 0.86);
  --panel-strong: rgba(17, 27, 38, 0.94);
  --line: rgba(148, 163, 184, 0.24);
  --text: #edf4f6;
  --muted: #a8b4bc;
  --accent: #38bdf8;
  --green: #22c55e;
  --gold: #f5b647;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(34, 197, 94, 0.16), transparent 34%),
    radial-gradient(circle at 85% 18%, rgba(56, 189, 248, 0.14), transparent 36%),
    linear-gradient(135deg, #08101a, #0d1420 62%, #060b13);
}

.life-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.9;
  background:
    linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, #000 0 65%, transparent 96%);
}

.life-header,
.life-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.life-topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 22px 0 0;
  align-items: center;
}

.life-player-title {
  display: grid;
  gap: 3px;
  min-width: 0;
  flex: 1 1 auto;
}

.life-player-title h1 {
  margin: 0;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.05;
  letter-spacing: 0;
}

.ghost-button,
.life-button,
.info-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(56, 189, 248, 0.36);
  border-radius: 999px;
  background: rgba(9, 16, 25, 0.66);
  color: var(--text);
  text-decoration: none;
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0 14px;
}

.ghost-button:hover,
.life-button:hover,
.info-button:hover,
.ghost-button:focus-visible,
.life-button:focus-visible,
.info-button:focus-visible {
  border-color: rgba(245, 182, 71, 0.72);
  background: rgba(17, 28, 42, 0.92);
  outline: none;
}

.life-topbar a.ghost-button[data-life-i18n="home"] {
  min-height: 34px;
  padding: 8px 12px;
  border-color: rgba(97, 174, 255, 0.42);
  background: rgba(5, 12, 24, 0.92);
  color: #eef5ff;
  letter-spacing: 0;
  text-transform: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.life-hero {
  display: grid;
  gap: 10px;
  padding: clamp(36px, 6vw, 74px) 0 clamp(24px, 4vw, 46px);
}

.eyebrow {
  margin: 0;
  color: var(--green);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.subtitle {
  max-width: 780px;
  margin: 0;
  color: var(--gold);
  font-size: clamp(18px, 2.1vw, 28px);
  font-weight: 900;
}

.description {
  max-width: 920px;
  margin: 0;
  color: rgba(226, 236, 238, 0.86);
  font-size: clamp(14px, 1.35vw, 17px);
  line-height: 1.55;
}

.life-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding-bottom: 56px;
}

.life-card {
  min-height: 260px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(34, 197, 94, 0.08), transparent 36%),
    var(--panel);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.28);
}

.life-card:hover {
  border-color: rgba(34, 197, 94, 0.42);
  background:
    linear-gradient(145deg, rgba(34, 197, 94, 0.12), rgba(56, 189, 248, 0.05)),
    var(--panel-strong);
}

.life-card-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
}

.life-card h2 {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 34px);
  letter-spacing: -0.03em;
}

.life-card p {
  margin: 0;
  color: rgba(226, 236, 238, 0.84);
  line-height: 1.45;
}

.life-cell-preview {
  width: 86px;
  height: 86px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  padding: 8px;
  border: 1px solid rgba(56, 189, 248, 0.24);
  border-radius: 16px;
  background: rgba(5, 10, 17, 0.56);
}

.life-cell-preview i {
  border-radius: 6px;
  background: rgba(148, 163, 184, 0.14);
}

.life-cell-preview i.live-a {
  background: rgba(34, 197, 94, 0.9);
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.52);
}

.life-cell-preview i.live-b {
  background: rgba(56, 189, 248, 0.88);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.52);
}

.life-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.life-tags span {
  padding: 5px 8px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 999px;
  background: rgba(5, 10, 17, 0.46);
  color: rgba(226, 236, 238, 0.82);
  font-size: 11px;
  font-weight: 800;
}

.life-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.info-button {
  cursor: pointer;
}

.life-info-dialog {
  width: min(680px, calc(100% - 24px));
  border: 1px solid rgba(56, 189, 248, 0.36);
  border-radius: 18px;
  background: rgba(9, 16, 25, 0.98);
  color: var(--text);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.life-info-dialog::backdrop {
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(5px);
}

.dialog-close {
  float: right;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 50%;
  background: rgba(5, 10, 17, 0.65);
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
}

.life-info-dialog article {
  display: grid;
  gap: 12px;
  padding: 12px;
}

.life-info-dialog h2 {
  margin: 0;
  font-size: 34px;
}

.dialog-facts {
  display: grid;
  gap: 10px;
  margin: 0;
}

.dialog-facts div {
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  background: rgba(5, 10, 17, 0.44);
}

.dialog-facts dt {
  color: var(--gold);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.dialog-facts dd {
  margin: 4px 0 0;
  color: rgba(226, 236, 238, 0.84);
  line-height: 1.45;
}

/* Play page */
.life-player-shell {
  width: min(1280px, calc(100% - 24px));
  margin: 0 auto;
  padding: 20px 0 42px;
  position: relative;
  z-index: 1;
}

.life-player-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px;
}

.life-board-panel,
.life-control-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.28);
}

.life-board-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.life-board-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.life-board-toolbar h1 {
  flex: 1 1 320px;
  font-size: clamp(28px, 4vw, 54px);
}

.life-canvas-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: 340px;
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(2, 6, 12, 0.74);
}

#lifeCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.life-control-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 16px;
}

.life-control-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  background: rgba(3, 8, 14, 0.58);
}

.life-tab-button {
  min-height: 40px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: rgba(226, 236, 238, 0.76);
  font: inherit;
  font-size: 13px;
  font-weight: 950;
  cursor: pointer;
}

.life-tab-button.active,
.life-tab-button[aria-selected="true"] {
  background: rgba(245, 182, 71, 0.17);
  color: var(--gold);
  box-shadow: inset 0 0 0 1px rgba(245, 182, 71, 0.45);
}

.life-tab-button:focus-visible {
  outline: 2px solid rgba(125, 211, 252, 0.7);
  outline-offset: 2px;
}

.life-control-panel[data-life-active-view="play"] [data-life-control-view="research"],
body[data-life-active-view="play"] .research-panel[data-life-control-view="research"],
.life-control-panel[data-life-active-view="research"] [data-life-control-view="play"] {
  display: none !important;
}

.control-row {
  display: grid;
  gap: 7px;
}

.control-row label {
  color: var(--gold);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.control-row select,
.control-row input {
  width: 100%;
  min-height: 38px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 10px;
  background: rgba(3, 8, 14, 0.68);
  color: var(--text);
  padding: 0 10px;
}

.life-button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.tool-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.compact-section-heading h3,
.neighborhood-lab-heading h3 {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.pattern-library-panel,
.neighborhood-lab,
.geometry-info-card {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(125, 211, 252, 0.18);
  border-radius: 12px;
  background: rgba(2, 6, 12, 0.32);
}

.pattern-description,
.pattern-warning,
.neighborhood-warning,
.geometry-info-card p {
  margin: 0;
  color: rgba(226, 236, 238, 0.74);
  font-size: 12px;
  line-height: 1.4;
}

.pattern-warning,
.neighborhood-warning {
  min-height: 1.35em;
  color: #fde68a;
  font-weight: 850;
}

.pattern-warning.is-error,
.neighborhood-warning.is-error {
  color: #fecaca;
}

.geometry-info-title,
.neighborhood-lab-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.geometry-info-title strong {
  color: var(--gold);
  font-size: 13px;
}

.geometry-info-title span,
#neighborCountDisplay {
  padding: 4px 8px;
  border: 1px solid rgba(245, 182, 71, 0.25);
  border-radius: 999px;
  background: rgba(245, 182, 71, 0.08);
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
}

.geometry-info-list {
  display: grid;
  gap: 7px;
  margin: 0;
}

.geometry-info-list div {
  display: grid;
  grid-template-columns: minmax(84px, 0.7fr) minmax(0, 1.3fr);
  gap: 8px;
}

.geometry-info-list dt,
.geometry-info-list dd {
  margin: 0;
  font-size: 12px;
  line-height: 1.35;
}

.geometry-info-list dt {
  color: rgba(245, 182, 71, 0.86);
  font-weight: 900;
}

.geometry-info-list dd {
  color: rgba(226, 236, 238, 0.84);
}

#neighborhoodPreviewCanvas {
  width: 132px;
  height: 132px;
  justify-self: center;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 10px;
  background: rgba(3, 8, 14, 0.78);
}

.life-stats {
  display: grid;
  gap: 8px;
  margin: 0;
}

.life-stats div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 10px;
  background: rgba(5, 10, 17, 0.42);
}

.life-stats dt {
  color: var(--muted);
  font-size: 12px;
}

.life-stats dd {
  margin: 0;
  font-weight: 900;
}

@media (max-width: 900px) {
  .life-card-grid,
  .life-player-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .life-topbar {
    align-items: flex-start;
    gap: 6px 8px;
    padding-top: 8px;
  }

  .life-player-title {
    flex: 1 1 100%;
    order: -1;
  }

  .life-language-switch.compact-language {
    margin-left: auto;
  }

  .life-topbar .game-title-actions {
    gap: 4px;
  }

  .life-topbar .game-title-actions .ghost-button {
    min-height: 34px;
    padding: 0 9px;
  }

  .life-player-title h1 {
    font-size: clamp(20px, 7vw, 30px);
  }

  .life-player-title .eyebrow {
    font-size: 10px;
  }

  .life-topbar > .ghost-button {
    min-height: 30px;
    padding: 0 8px;
    font-size: 12px;
    white-space: nowrap;
  }
}


/* Playable Life UI: usage modes, challenges, two-player scoring, research panel */
.life-play-invite {
  width: min(1280px, calc(100% - 24px));
  margin: 0 auto;
  display: grid;
  gap: 12px;
  padding: 30px 0 18px;
  position: relative;
  z-index: 1;
}

.life-play-invite h1 {
  max-width: 920px;
}

.life-info-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.life-info-cards details {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
}

.life-info-cards summary {
  width: max-content;
  cursor: pointer;
  color: var(--gold);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.life-info-cards p {
  margin: 6px 0 0;
  color: rgba(226, 236, 238, 0.84);
  line-height: 1.45;
}

@media (max-width: 640px) {
  .life-play-invite {
    gap: 8px;
    padding: 12px 0 8px;
  }

  .life-play-invite h1 {
    font-size: clamp(24px, 9vw, 36px);
  }

  .life-play-invite .description {
    display: none;
  }

  .life-info-cards {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .life-info-cards details {
    padding: 0;
  }
}

.life-language-switch {
  display: inline-flex;
  gap: 6px;
}

.life-language-switch .ghost-button {
  min-width: 42px;
  padding: 0 10px;
}

.life-language-switch .ghost-button[aria-pressed="true"] {
  border-color: rgba(245, 182, 71, 0.72);
  color: var(--gold);
}

.life-board-toolbar {
  justify-content: space-between;
}

.life-toolbar-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.life-button.primary {
  border-color: rgba(34, 197, 94, 0.62);
  background: rgba(34, 197, 94, 0.18);
}

.life-button.active {
  border-color: rgba(245, 182, 71, 0.8);
  background: rgba(245, 182, 71, 0.14);
  color: var(--gold);
}

.life-help {
  margin: 0;
  color: rgba(226, 236, 238, 0.72);
  font-size: 12px;
  line-height: 1.35;
}

.control-section,
.settings-panel {
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 14px;
  background: rgba(5, 10, 17, 0.34);
  padding: 12px;
}

.settings-panel {
  display: block;
}

.settings-panel summary {
  cursor: pointer;
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.settings-grid {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.custom-rule-designer {
  grid-column: 1 / -1;
  border: 1px solid rgba(125, 211, 252, 0.18);
  border-radius: 12px;
  background: rgba(2, 6, 12, 0.36);
  padding: 10px;
}

.custom-rule-designer summary {
  cursor: pointer;
  color: rgba(226, 236, 238, 0.92);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.custom-rule-grid {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.custom-rule-presets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.custom-rule-presets .life-button {
  min-height: 36px;
  padding: 0 9px;
  font-size: 12px;
  white-space: normal;
}

.custom-rule-preview {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border: 1px solid rgba(245, 182, 71, 0.2);
  border-radius: 10px;
  background: rgba(245, 182, 71, 0.08);
  color: rgba(255, 239, 204, 0.88);
  font-size: 12px;
  font-weight: 850;
}

.custom-rule-preview strong {
  color: var(--gold);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.custom-rule-help,
.custom-rule-error {
  margin: 0;
  font-size: 12px;
  line-height: 1.38;
}

.custom-rule-help {
  color: rgba(226, 236, 238, 0.72);
}

.custom-rule-error {
  min-height: 1.4em;
  color: #fecaca;
  font-weight: 850;
}

.custom-rule-error.is-success {
  color: #bbf7d0;
}

.pattern-tools {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

#patternJson {
  width: 100%;
  min-height: 140px;
  resize: vertical;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 10px;
  background: rgba(3, 8, 14, 0.78);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  padding: 10px;
}

body[data-life-usage="zero"] .one-player-only,
body[data-life-usage="zero"] .two-player-only,
body[data-life-usage="one"] .two-player-only,
body[data-life-usage="two"] .one-player-only {
  display: none !important;
}

.research-panel {
  width: min(1280px, calc(100% - 24px));
  margin: 18px auto 54px;
  display: grid;
  gap: 16px;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 18px;
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.08), transparent 36%),
    rgba(9, 16, 25, 0.82);
  padding: 16px;
}

.research-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.research-heading h2 {
  margin: 4px 0 0;
  font-size: clamp(24px, 2.4vw, 34px);
}

.challenge-status {
  margin: 0;
  padding: 9px 12px;
  border: 1px solid rgba(34, 197, 94, 0.32);
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.08);
  color: rgba(226, 236, 238, 0.9);
  font-size: 12px;
  font-weight: 900;
}

.observable-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.observable-grid article,
.score-panel article,
.plot-grid article {
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 12px;
  background: rgba(5, 10, 17, 0.48);
  padding: 12px;
}

.observable-grid span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.observable-grid strong {
  display: block;
  margin-top: 5px;
  color: var(--text);
  font-size: 18px;
  word-break: break-word;
}

.score-panel {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 10px;
}

.score-panel strong {
  display: block;
  color: var(--gold);
  font-size: 12px;
  text-transform: uppercase;
}

.score-panel span {
  display: block;
  margin-top: 6px;
  font-size: 20px;
  font-weight: 950;
}

.plot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.plot-grid h3 {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 12px;
  text-transform: uppercase;
}

.plot-grid canvas {
  width: 100%;
  height: 150px;
  display: block;
  border-radius: 8px;
  background: rgba(5, 10, 17, 0.8);
}

@media (max-width: 1100px) {
  .observable-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .score-panel,
  .plot-grid,
  .life-info-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .observable-grid {
    grid-template-columns: 1fr;
  }

  .life-toolbar-group,
  .life-button-row {
    grid-template-columns: 1fr;
  }

  .life-control-tabs {
    position: sticky;
    top: 0;
    z-index: 3;
  }

  .custom-rule-presets {
    grid-template-columns: 1fr;
  }

  .custom-rule-preview {
    align-items: flex-start;
    flex-direction: column;
  }

  .geometry-info-title,
  .neighborhood-lab-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .geometry-info-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

/* Life geometry/lattice controls aligned with 2D/3D Go/Reversi naming. */
.legacy-topology-control {
  display: none !important;
}
.view-mode-control {
  display: none !important;
}
.modifier-note {
  grid-column: 1 / -1;
  margin: 6px 0 -4px;
  padding: 8px 10px;
  border: 1px solid rgba(245, 182, 71, 0.22);
  border-radius: 10px;
  background: rgba(245, 182, 71, 0.08);
  color: rgba(255, 239, 204, 0.88);
  font-size: 12px;
  font-weight: 850;
}


/* Clearer board boundary + interactive 3D canvas behavior */
#lifeCanvas {
  touch-action: none;
  cursor: crosshair;
}

body[data-life-usage] #lifeCanvas:active {
  cursor: grabbing;
}

.life-canvas-wrap {
  border-color: rgba(245, 182, 71, 0.34);
  box-shadow:
    inset 0 0 0 1px rgba(245, 182, 71, 0.16),
    0 18px 42px rgba(0, 0, 0, 0.28);
}

.life-help::after {
  content: none;
}

/* Life online room controls share the same room semantics as Go/Reversi. */
.life-online-controls {
  grid-column: 1 / -1;
  display: grid;
  gap: 10px;
  margin-top: 6px;
  padding: 12px;
  border: 1px solid rgba(125, 211, 252, 0.24);
  border-radius: 14px;
  background: rgba(5, 12, 24, 0.62);
}

.life-online-controls[hidden] {
  display: none !important;
}

.life-online-controls:not(.online-active) .life-online-details {
  display: none !important;
}

.connection-status {
  padding: 9px 10px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(15, 23, 42, 0.72);
  color: rgba(226, 232, 240, 0.92);
  font-weight: 850;
  letter-spacing: 0.02em;
}

.connection-status.connected { border-color: rgba(34, 197, 94, 0.5); color: #bbf7d0; }
.connection-status.connecting { border-color: rgba(245, 182, 71, 0.55); color: #fde68a; }
.connection-status.disconnected { border-color: rgba(148, 163, 184, 0.22); color: rgba(203, 213, 225, 0.82); }

.life-room-row,
.share-link-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.life-room-row input,
.share-link-box input {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid rgba(125, 211, 252, 0.28);
  border-radius: 10px;
  background: rgba(2, 6, 23, 0.72);
  color: var(--text);
  font-weight: 800;
}

.room-info {
  display: grid;
  gap: 7px;
  padding: 10px;
  border: 1px solid rgba(245, 182, 71, 0.22);
  border-radius: 12px;
  background: rgba(245, 182, 71, 0.07);
}

.room-info strong {
  color: var(--gold);
  font-size: 15px;
  letter-spacing: 0.08em;
}

.life-online-note {
  margin: 0;
}

@media (max-width: 640px) {
  .life-room-row,
  .share-link-box {
    grid-template-columns: 1fr;
  }
}

/* Compact language icon menu */
.life-language-switch.compact-language { position: relative; display: inline-flex; align-items: center; gap: 0; overflow: visible; }
.life-language-switch.compact-language .language-icon-button { width: 34px; min-width: 34px; height: 34px; padding: 0; border: 0; background: transparent; display: inline-grid; place-items: center; box-shadow: none; }
.life-language-switch.compact-language .language-popover { display: none; position: absolute; right: 0; top: calc(100% + 8px); z-index: 70; min-width: 0; padding: 8px 10px; border: 1px solid rgba(125, 211, 252, 0.34); border-radius: 10px; background: rgba(6, 11, 18, 0.98); box-shadow: 0 18px 38px rgba(0,0,0,.38); white-space: nowrap; }
.life-language-switch.compact-language:hover .language-popover, .life-language-switch.compact-language:focus-within .language-popover { display: flex; align-items: center; gap: 6px; }
.life-language-switch.compact-language .language-popover .ghost-button { width: auto; min-width: 0; justify-content: center; padding: 0 4px; border: 0; background: transparent; }

/* Tighter Life play layout and numeric modifier readouts */
.life-player-shell { padding-top: 8px; }
.life-topbar { padding-top: 10px; padding-bottom: 8px; }
.life-play-invite { width: 100%; margin: 14px 0 12px; padding: 12px 0; }
.life-play-invite h1 { font-size: clamp(28px, 4vw, 54px); }
.life-play-invite .subtitle, .life-play-invite .description { margin-block: 6px; }
.life-info-cards { margin-top: 10px; gap: 10px; }
.life-player-layout { gap: 12px; align-items: start; }
.life-board-panel { gap: 8px; padding: 10px; }
.life-board-toolbar { gap: 8px; }
.life-toolbar-group { gap: 7px; }
.life-help { margin: 0; }
.life-control-panel { gap: 10px; padding: 12px; }
.settings-grid { gap: 8px 10px; }
.control-row:has(input[type="range"]) { grid-template-columns: minmax(108px, .72fr) minmax(150px, 1fr) minmax(48px, auto); align-items: center; }
.control-row:has(input[type="range"]) label { grid-column: 1; }
.control-row:has(input[type="range"]) input[type="range"] { grid-column: 2; width: 100%; }
.life-range-value { grid-column: 3; justify-self: end; min-width: 44px; padding: 4px 7px; border: 1px solid rgba(125,211,252,.25); border-radius: 10px; color: var(--gold); background: rgba(2,6,12,.72); font-size: 12px; font-weight: 900; text-align: right; }

@media (min-width: 901px) {
  .life-player-layout {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 380px);
  }

  .life-control-panel {
    position: sticky;
    top: 12px;
    max-height: calc(100vh - 24px);
    overflow: auto;
    overscroll-behavior: contain;
  }
}

@media (max-width: 620px) {
  .life-player-shell,
  .life-header,
  .life-shell {
    width: min(100% - 16px, 1280px);
  }

  .life-topbar {
    align-items: flex-start;
    gap: 6px 8px;
    padding-top: 6px;
    padding-bottom: 6px;
  }

  .life-player-title {
    flex-basis: 100%;
  }

  .life-board-toolbar {
    align-items: flex-start;
  }

  .life-help {
    flex: 1 1 100%;
  }
}