/* Components and screens. Owned by the UI agent.
   Colours/fonts/glows come from tokens.css. Sizes are rem: 1rem = 16px at 1280x720 (see base.css). */

:root {
  --hud-h: 5.25rem; /* height of the in-game top bar; the game keeps the table clear of it */
  --hud-left: var(--c-cyan); /* HUD colours; JS may set them to the chosen mallet colours */
  --hud-right: var(--c-magenta);
  --glass: rgba(7, 9, 24, 0.8);
  --glass-edge: color-mix(in srgb, var(--c-cyan) 28%, transparent);
  --track: 0.05em; /* letter-spacing for uppercase UI text (zeroed for RTL: it breaks Arabic joining) */
  --accent: var(--c-cyan);
}

html[dir='rtl'] {
  --track: 0;
}

/* ═════════ Screen frames ═════════ */
.screen {
  padding: 1.25rem;
  z-index: 3;
}

.screen--game {
  z-index: 2;
  padding: 0;
  align-items: stretch;
  justify-content: stretch;
}

/* only real controls take pointer events; the rest falls through to the canvas */
.screen.is-active :where(.panel, .hud__pause, .toast) {
  pointer-events: auto;
}

.overlay--pause.is-active,
.overlay--over.is-active {
  pointer-events: auto;
}

/* ═════════ Panels (translucent glass) ═════════ */
.panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  width: min(100%, 40rem);
  max-height: 100%;
  padding: 2rem 2.25rem;
  background: var(--glass);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-lg);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.03),
    inset 0 0 2.5rem color-mix(in srgb, var(--c-violet) 10%, transparent),
    0 1.5rem 4rem rgba(0, 0, 0, 0.55),
    var(--glow-soft);
  overflow: hidden;
  hyphens: auto;
  overflow-wrap: break-word;
  min-height: 0;
}

.panel::before {
  content: '';
  position: absolute;
  inset-block-start: 0;
  inset-inline: 12%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-cyan), var(--c-magenta), transparent);
  opacity: 0.85;
  pointer-events: none;
}

.panel--main {
  width: min(100%, 60rem);
  gap: 1.6rem;
  overflow-y: auto;
}

.panel--narrow {
  width: min(100%, 34rem);
}

.panel--form {
  width: min(100%, 42rem);
}

/* settings / setup sit over the live attract game: a denser glass keeps text and sliders readable */
.panel--form,
.panel--narrow {
  background: rgba(7, 9, 24, 0.93);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.panel--list {
  width: min(100%, 34rem);
  height: min(100%, 44rem);
}

.panel--board {
  width: min(100%, 38rem);
  height: min(100%, 38rem);
}

.panel--online {
  width: min(100%, 52rem);
  overflow-y: auto;
}

.panel--dialog {
  width: min(100%, 26rem);
  align-items: stretch;
  overflow-y: auto;
}

.title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: var(--track);
  text-transform: uppercase;
  text-align: center;
  color: var(--c-text);
  text-shadow: 0 0 0.7rem color-mix(in srgb, var(--c-cyan) 55%, transparent);
}

/* ═════════ Wordmark ═════════ */
.brand {
  text-align: center;
}

.wordmark {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  column-gap: 0.4em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4.1rem, 9vw);
  line-height: 1.05;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  unicode-bidi: isolate;
  white-space: nowrap;
}

.wordmark__neon {
  color: var(--c-cyan);
  text-shadow: var(--glow-primary);
}

.wordmark__air {
  color: var(--c-white-hot);
  text-shadow:
    0 0 0.1em rgba(255, 255, 255, 0.9),
    0 0 0.4em rgba(157, 92, 255, 0.8);
}

.wordmark__hockey {
  color: var(--c-magenta);
  text-shadow: var(--glow-secondary);
}

/* ═════════ Icons ═════════ */
.icon {
  flex: none;
  width: 1.3em;
  height: 1.3em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon--xl {
  width: 3rem;
  height: 3rem;
}

html[dir='rtl'] .icon--flip {
  transform: scaleX(-1);
}

/* ═════════ Buttons ═════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0.6rem 1.5rem;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-text);
  background: color-mix(in srgb, var(--c-bg-2) 70%, transparent);
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-md);
  hyphens: auto;
  overflow-wrap: anywhere;
  max-width: 100%;
  transition:
    color var(--dur-fast), background-color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.btn:hover {
  color: var(--c-white-hot);
  border-color: var(--c-cyan);
  background: color-mix(in srgb, var(--c-cyan) 12%, var(--c-bg-2));
  box-shadow: 0 0 0.8rem color-mix(in srgb, var(--c-cyan) 55%, transparent);
}

.btn:active {
  transform: translateY(1px) scale(0.985);
  background: color-mix(in srgb, var(--c-cyan) 24%, var(--c-bg-2));
  box-shadow: inset 0 0 0.9rem color-mix(in srgb, var(--c-cyan) 45%, transparent);
}

.btn--primary {
  color: var(--c-white-hot);
  border-color: var(--c-cyan);
  background: color-mix(in srgb, var(--c-cyan) 20%, var(--c-bg-2));
  box-shadow:
    0 0 0.7rem color-mix(in srgb, var(--c-cyan) 50%, transparent),
    inset 0 0 0.9rem color-mix(in srgb, var(--c-cyan) 25%, transparent);
  text-shadow: 0 0 0.5rem color-mix(in srgb, var(--c-cyan) 80%, transparent);
}

.btn--primary:hover {
  background: color-mix(in srgb, var(--c-cyan) 34%, var(--c-bg-2));
  box-shadow:
    0 0 1.2rem color-mix(in srgb, var(--c-cyan) 75%, transparent),
    0 0 2.6rem color-mix(in srgb, var(--c-cyan) 35%, transparent),
    inset 0 0 1rem color-mix(in srgb, var(--c-cyan) 35%, transparent);
}

.btn--danger:hover {
  border-color: var(--c-red);
  background: color-mix(in srgb, var(--c-red) 14%, var(--c-bg-2));
  box-shadow: 0 0 0.8rem color-mix(in srgb, var(--c-red) 55%, transparent);
}

.btn--lg {
  min-height: 3.5rem;
  padding-inline: 2.2rem;
  font-size: 1.15rem;
}

.btn--sm {
  min-height: 2.4rem;
  padding: 0.35rem 1rem;
  font-size: 0.9rem;
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.45;
  color: var(--c-text-dim);
  border-color: var(--c-line);
  background: color-mix(in srgb, var(--c-bg-2) 50%, transparent);
  box-shadow: none;
  text-shadow: none;
  transform: none;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.9rem;
  height: 2.9rem;
  color: var(--c-text);
  background: color-mix(in srgb, var(--c-bg-2) 70%, transparent);
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-md);
  transition:
    color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast), background-color var(--dur-fast);
}

.icon-btn:hover {
  color: var(--c-white-hot);
  border-color: var(--c-cyan);
  box-shadow: 0 0 0.8rem color-mix(in srgb, var(--c-cyan) 55%, transparent);
}

.icon-btn:active {
  transform: scale(0.95);
}

.icon-btn .icon {
  width: 1.4rem;
  height: 1.4rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.3rem;
  padding: 0.3rem 0.95rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text-dim);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--c-bg-2) 55%, transparent);
  transition: color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.chip:hover {
  color: var(--c-white-hot);
  border-color: var(--c-cyan);
  box-shadow: 0 0 0.7rem color-mix(in srgb, var(--c-cyan) 45%, transparent);
}

/* ═════════ Main menu ═════════ */
.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11.5rem, 1fr));
  gap: 1rem;
}

.mode-card {
  --accent: var(--c-cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.55rem;
  min-width: 0;
  padding: 1.4rem 1rem 1.25rem;
  text-align: center;
  color: var(--c-text);
  background:
    radial-gradient(120% 90% at 50% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    color-mix(in srgb, var(--c-bg-2) 75%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--accent) 55%, var(--c-line));
  border-radius: var(--radius-md);
  hyphens: auto;
  overflow-wrap: anywhere;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), background-color var(--dur-fast);
}

.mode-card--cyan {
  --accent: var(--c-cyan);
}
.mode-card--magenta {
  --accent: var(--c-magenta);
}
.mode-card--lime {
  --accent: var(--c-lime);
}
.mode-card--violet {
  --accent: var(--c-violet);
}

.mode-card:hover {
  border-color: var(--accent);
  box-shadow:
    0 0 0.9rem color-mix(in srgb, var(--accent) 60%, transparent),
    0 0 2.4rem color-mix(in srgb, var(--accent) 25%, transparent),
    inset 0 0 1.4rem color-mix(in srgb, var(--accent) 15%, transparent);
}

.mode-card:active {
  transform: translateY(1px) scale(0.985);
}

.icon--card {
  width: 2.9rem;
  height: 2.9rem;
  stroke-width: 1.6;
  color: var(--accent);
  filter: drop-shadow(0 0 0.4rem color-mix(in srgb, var(--accent) 80%, transparent));
}

.mode-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.15;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-white-hot);
}

.mode-card__desc {
  font-size: 0.9rem;
  line-height: 1.3;
  color: var(--c-text-dim);
}

.menu-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}

.menu-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.version,
.version-line {
  font-size: 0.85rem;
  color: var(--c-text-mute);
  letter-spacing: 0.04em;
}

/* ═════════ Fields, inputs, segmented controls ═════════ */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.field--compact {
  gap: 0.4rem;
}

.field__label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-text-dim);
}

.input {
  width: 100%;
  min-height: 2.8rem;
  padding: 0.55rem 0.85rem;
  font-size: 1rem;
  color: var(--c-text);
  background: color-mix(in srgb, var(--c-bg-1) 85%, transparent);
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-sm);
  caret-color: var(--c-cyan);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.input::placeholder {
  color: var(--c-text-mute);
}

.input:hover {
  border-color: var(--c-text-mute);
}

.input:focus,
.input:focus-visible {
  outline: none;
  border-color: var(--c-cyan);
  box-shadow: 0 0 0.9rem color-mix(in srgb, var(--c-cyan) 45%, transparent);
}

.input::-webkit-search-cancel-button {
  filter: invert(0.8);
}

.input--code {
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  text-transform: uppercase;
  min-height: 3.6rem;
  color: var(--c-cyan);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(5.5rem, 1fr));
  gap: 0.25rem;
  padding: 0.25rem;
  background: color-mix(in srgb, var(--c-bg-1) 85%, transparent);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
}

.segmented--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.seg {
  min-width: 0;
  min-height: 2.6rem;
  padding: 0.5rem 0.7rem;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.15;
  color: var(--c-text-dim);
  border: 1px solid transparent;
  border-radius: calc(var(--radius-md) - 3px);
  hyphens: auto;
  overflow-wrap: anywhere;
  transition: color var(--dur-fast), background-color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.seg:hover {
  color: var(--c-white-hot);
  background: color-mix(in srgb, var(--c-bg-3) 80%, transparent);
}

.seg.is-selected {
  color: var(--c-white-hot);
  border-color: var(--c-cyan);
  background: color-mix(in srgb, var(--c-cyan) 22%, var(--c-bg-2));
  box-shadow:
    0 0 0.7rem color-mix(in srgb, var(--c-cyan) 50%, transparent),
    inset 0 0 0.7rem color-mix(in srgb, var(--c-cyan) 25%, transparent);
  text-shadow: 0 0 0.45rem color-mix(in srgb, var(--c-cyan) 80%, transparent);
}

.seg:active {
  transform: scale(0.97);
}

.seg:disabled,
.seg.is-disabled {
  opacity: 0.4;
}

/* hidden-by-JS groups simply use [hidden] on .field */

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.9rem 1rem;
  margin-block-start: 0.35rem;
}

.actions--split {
  justify-content: space-between;
}

/* ═════════ Settings rows ═════════ */
.rows {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-inline-end: 0.35rem;
  margin-inline-end: -0.35rem;
}

.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.5rem 1.2rem;
  min-height: 3.3rem;
  padding: 0.5rem 0.15rem;
  border-bottom: 1px solid color-mix(in srgb, var(--c-line) 55%, transparent);
  cursor: default;
}

.row:last-child {
  border-bottom: 0;
}

.row__label {
  font-weight: 600;
  font-size: 1rem;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.row__control {
  min-width: 0;
  max-width: 16rem;
  width: 14rem;
  justify-self: end;
}

.row > .btn.row__control {
  width: auto;
  min-width: 9rem;
  justify-content: space-between;
  text-transform: none;
  letter-spacing: 0;
}

.row .segmented {
  width: 12rem;
}

.slider {
  direction: ltr;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.slider__value {
  min-width: 2.4rem;
  text-align: end;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--c-cyan);
}

input[type='range'] {
  --fill: 50%;
  flex: 1;
  min-width: 0;
  height: 1.6rem;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

input[type='range']::-webkit-slider-runnable-track {
  height: 0.4rem;
  border-radius: 1rem;
  background: linear-gradient(90deg, var(--c-cyan) var(--fill), var(--c-line) var(--fill));
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 1.2rem;
  height: 1.2rem;
  margin-top: -0.4rem;
  border-radius: 50%;
  background: var(--c-white-hot);
  border: 2px solid var(--c-cyan);
  box-shadow: 0 0 0.7rem color-mix(in srgb, var(--c-cyan) 80%, transparent);
}

input[type='range']::-moz-range-track {
  height: 0.4rem;
  border-radius: 1rem;
  background: var(--c-line);
}

input[type='range']::-moz-range-progress {
  height: 0.4rem;
  border-radius: 1rem;
  background: var(--c-cyan);
}

input[type='range']::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--c-white-hot);
  border: 2px solid var(--c-cyan);
}

input[type='range']:focus-visible {
  outline: none;
  box-shadow: none;
}

input[type='range']:focus-visible::-webkit-slider-thumb {
  box-shadow:
    0 0 0 3px var(--c-bg-0),
    0 0 0 5px var(--c-white-hot);
}

.switch {
  position: relative;
  display: inline-flex;
  justify-content: flex-end;
  width: auto;
}

.switch input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}

.switch__track {
  position: relative;
  display: block;
  width: 3.3rem;
  height: 1.8rem;
  border-radius: 999px;
  background: var(--c-bg-1);
  border: 1.5px solid var(--c-line);
  transition: background-color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.switch__thumb {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 0.2rem;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: -0.625rem;
  border-radius: 50%;
  background: var(--c-text-mute);
  transition: inset-inline-start var(--dur-fast), background-color var(--dur-fast), box-shadow var(--dur-fast);
}

.switch input:hover + .switch__track {
  border-color: var(--c-text-mute);
}

.switch input:checked + .switch__track {
  background: color-mix(in srgb, var(--c-cyan) 24%, var(--c-bg-1));
  border-color: var(--c-cyan);
  box-shadow: 0 0 0.8rem color-mix(in srgb, var(--c-cyan) 50%, transparent);
}

.switch input:checked + .switch__track .switch__thumb {
  inset-inline-start: calc(100% - 1.25rem - 0.2rem);
  background: var(--c-white-hot);
  box-shadow: 0 0 0.6rem var(--c-cyan);
}

.switch input:focus-visible + .switch__track {
  outline: 2px solid var(--c-white-hot);
  outline-offset: 3px;
}

.switch input:disabled + .switch__track {
  opacity: 0.4;
}

.swatches {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
  width: auto;
}

.swatch {
  --sw: var(--c-cyan);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff 0 8%, var(--sw) 40%, color-mix(in srgb, var(--sw) 55%, #000) 100%);
  border: 2px solid transparent;
  box-shadow: 0 0 0.5rem color-mix(in srgb, var(--sw) 55%, transparent);
  transition: box-shadow var(--dur-fast), border-color var(--dur-fast);
}

.swatch[data-value='cyan'] {
  --sw: var(--c-cyan);
}
.swatch[data-value='magenta'] {
  --sw: var(--c-magenta);
}
.swatch[data-value='lime'] {
  --sw: var(--c-lime);
}
.swatch[data-value='orange'] {
  --sw: var(--c-orange);
}
.swatch[data-value='violet'] {
  --sw: var(--c-violet);
}
.swatch[data-value='yellow'] {
  --sw: var(--c-yellow);
}

.swatch:hover {
  box-shadow: 0 0 0.9rem var(--sw);
}

.swatch.is-selected {
  border-color: var(--c-white-hot);
  box-shadow:
    0 0 0 2px var(--c-bg-0),
    0 0 1rem var(--sw),
    0 0 1.8rem color-mix(in srgb, var(--sw) 60%, transparent);
}

/* ═════════ Language screen ═════════ */
.search {
  position: relative;
  display: block;
}

.search .icon {
  position: absolute;
  inset-inline-start: 0.8rem;
  inset-block-start: 50%;
  margin-top: -0.65em;
  color: var(--c-text-mute);
  pointer-events: none;
}

.search .input {
  padding-inline-start: 2.6rem;
}

.lang-list {
  flex: 1 1 0;
  min-height: 6rem;
  overflow-y: auto;
  margin-inline-end: -0.35rem;
  padding-inline-end: 0.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.lang-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  min-height: 3rem;
  padding: 0.45rem 0.85rem;
  text-align: start;
  color: var(--c-text);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: background-color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.lang-row--auto {
  flex: none;
  border-color: var(--c-line);
  background: color-mix(in srgb, var(--c-bg-2) 70%, transparent);
}

.lang-row:hover {
  background: color-mix(in srgb, var(--c-bg-3) 85%, transparent);
  border-color: color-mix(in srgb, var(--c-cyan) 45%, transparent);
}

.lang-row.is-selected {
  border-color: var(--c-cyan);
  background: color-mix(in srgb, var(--c-cyan) 14%, var(--c-bg-2));
  box-shadow: 0 0 0.7rem color-mix(in srgb, var(--c-cyan) 35%, transparent);
}

.lang-row__text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
}

.lang-row__native,
.lang-row__english {
  unicode-bidi: isolate;
  text-align: start;
  overflow-wrap: anywhere;
}

.lang-row__native {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.25;
}

.lang-row__english {
  font-size: 0.82rem;
  color: var(--c-text-dim);
}

.lang-row__check {
  color: var(--c-cyan);
  opacity: 0;
  filter: drop-shadow(0 0 0.35rem var(--c-cyan));
}

.lang-row.is-selected .lang-row__check {
  opacity: 1;
}

/* ═════════ Leaderboard ═════════ */
.tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.25rem;
  padding: 0.25rem;
  background: color-mix(in srgb, var(--c-bg-1) 85%, transparent);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
}

.tab {
  min-height: 2.6rem;
  padding: 0.4rem 0.8rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-text-dim);
  border: 1px solid transparent;
  border-radius: calc(var(--radius-md) - 3px);
  hyphens: auto;
  overflow-wrap: anywhere;
  transition: color var(--dur-fast), background-color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.tab:hover {
  color: var(--c-white-hot);
}

.tab.is-selected {
  color: var(--c-white-hot);
  border-color: var(--c-magenta);
  background: color-mix(in srgb, var(--c-magenta) 20%, var(--c-bg-2));
  box-shadow: 0 0 0.7rem color-mix(in srgb, var(--c-magenta) 45%, transparent);
}

.board {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1 1 0;
  min-height: 9rem;
  background: color-mix(in srgb, var(--c-bg-1) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--c-line) 70%, transparent);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.board-head,
.board-row {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr) minmax(5rem, auto);
  align-items: center;
  gap: 0.8rem;
  padding: 0.5rem 1rem;
}

.board-head {
  flex: none;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-text-mute);
  border-bottom: 1px solid var(--c-line);
}

.board-head > :last-child,
.board-row__name {
  unicode-bidi: isolate;
}

.board-row__score {
  text-align: end;
}

.board-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.board-row {
  min-height: 2.7rem;
  border-bottom: 1px solid color-mix(in srgb, var(--c-line) 40%, transparent);
}

.board-row__rank {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c-text-dim);
  direction: ltr;
  text-align: start;
}

.board-row__name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  unicode-bidi: plaintext;
  text-align: start;
}

.board-row__name {
  unicode-bidi: isolate;
}

.board-row__score {
  font-family: var(--font-display);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--c-white-hot);
  direction: ltr;
}

.board-row:nth-child(1) .board-row__rank,
.board-row:nth-child(1) .board-row__score {
  color: var(--c-yellow);
  text-shadow: 0 0 0.6rem color-mix(in srgb, var(--c-yellow) 70%, transparent);
}
.board-row:nth-child(2) .board-row__rank,
.board-row:nth-child(2) .board-row__score {
  color: #d9e6ff;
  text-shadow: 0 0 0.5rem rgba(200, 220, 255, 0.55);
}
.board-row:nth-child(3) .board-row__rank,
.board-row:nth-child(3) .board-row__score {
  color: var(--c-orange);
  text-shadow: 0 0 0.5rem color-mix(in srgb, var(--c-orange) 60%, transparent);
}

.board-row:nth-child(-n + 3) {
  background: color-mix(in srgb, var(--c-bg-3) 40%, transparent);
}

.board-row:nth-child(-n + 3) .board-row__name {
  font-weight: 800;
}

.board-row.is-me {
  background: color-mix(in srgb, var(--c-cyan) 16%, transparent);
  box-shadow: inset 3px 0 0 var(--c-cyan);
}

html[dir='rtl'] .board-row.is-me {
  box-shadow: inset -3px 0 0 var(--c-cyan);
}

.board-row.is-me .board-row__name {
  color: var(--c-cyan);
}

.board-state {
  display: none;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  padding: 1.5rem;
  text-align: center;
  color: var(--c-text-dim);
  hyphens: auto;
  overflow-wrap: anywhere;
}

.board-state .icon--xl {
  color: var(--c-text-mute);
}

.board-state--offline .icon--xl {
  color: var(--c-orange);
}

[data-state='loading'] .board-state--loading,
[data-state='empty'] .board-state--empty,
[data-state='offline'] .board-state--offline {
  display: flex;
}

[data-state='loading'] .board-list,
[data-state='empty'] .board-list,
[data-state='offline'] .board-list {
  display: none;
}

.spinner {
  display: inline-block;
  flex: none;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: 3px solid var(--c-line);
  border-top-color: var(--c-cyan);
  border-inline-end-color: var(--c-cyan);
  box-shadow: 0 0 0.6rem color-mix(in srgb, var(--c-cyan) 40%, transparent);
}

.your-best {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-cyan);
  text-shadow: 0 0 0.6rem color-mix(in srgb, var(--c-cyan) 50%, transparent);
}

/* ═════════ How to play ═════════ */
.howto {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-inline-end: 0.5rem;
  scrollbar-width: auto;
  scrollbar-color: var(--c-cyan) color-mix(in srgb, var(--c-text) 14%, transparent);
}

/* visible scrollbar so clipped cards are noticed; the Back button below stays in view */
.howto::-webkit-scrollbar {
  width: 0.7rem;
}
.howto::-webkit-scrollbar-track {
  background: color-mix(in srgb, var(--c-text) 14%, transparent);
  border-radius: 1rem;
}
.howto::-webkit-scrollbar-thumb {
  background: var(--c-cyan);
  border-radius: 1rem;
  border: 0;
}

.howto + .actions {
  flex: 0 0 auto;
}

.howto__item {
  --accent: var(--c-cyan);
  display: grid;
  grid-template-columns: 2.8rem minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1rem 0.65rem 0.8rem;
  background: color-mix(in srgb, var(--c-bg-2) 65%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--c-line));
  border-inline-start: 3px solid var(--accent);
  border-radius: var(--radius-md);
}

.howto__item--cyan {
  --accent: var(--c-cyan);
}
.howto__item--magenta {
  --accent: var(--c-magenta);
}
.howto__item--lime {
  --accent: var(--c-lime);
}
.howto__item--orange {
  --accent: var(--c-orange);
}
.howto__item--violet {
  --accent: var(--c-violet);
}

.howto__icon {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent) 50%, transparent);
}

.howto__icon .icon {
  width: 1.5rem;
  height: 1.5rem;
  filter: drop-shadow(0 0 0.3rem color-mix(in srgb, var(--accent) 70%, transparent));
}

.howto__text {
  font-size: 1.02rem;
  line-height: 1.35;
  hyphens: auto;
  overflow-wrap: break-word;
}

/* ═════════ Online ═════════ */
.online-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.2rem;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
  padding: 1.3rem 1.4rem;
  background: color-mix(in srgb, var(--c-bg-2) 55%, transparent);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
}

.card--create {
  border-color: color-mix(in srgb, var(--c-cyan) 40%, var(--c-line));
}

.card--join {
  border-color: color-mix(in srgb, var(--c-magenta) 40%, var(--c-line));
}

.card--join .btn--primary {
  border-color: var(--c-magenta);
  background: color-mix(in srgb, var(--c-magenta) 20%, var(--c-bg-2));
  box-shadow:
    0 0 0.7rem color-mix(in srgb, var(--c-magenta) 50%, transparent),
    inset 0 0 0.9rem color-mix(in srgb, var(--c-magenta) 25%, transparent);
  text-shadow: 0 0 0.5rem color-mix(in srgb, var(--c-magenta) 80%, transparent);
}

.card--join .btn--primary:hover {
  background: color-mix(in srgb, var(--c-magenta) 34%, var(--c-bg-2));
  box-shadow:
    0 0 1.2rem color-mix(in srgb, var(--c-magenta) 75%, transparent),
    0 0 2.6rem color-mix(in srgb, var(--c-magenta) 35%, transparent);
}

.card--join .input--code {
  color: var(--c-magenta);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: var(--track);
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.room {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
}

.room__hint {
  font-size: 0.95rem;
  color: var(--c-text-dim);
}

.room__code {
  width: 100%;
  padding: 0.6rem 0.5rem 0.6rem 1.1rem;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.3em;
  text-align: center;
  color: var(--c-cyan);
  text-shadow: var(--glow-primary);
  background: color-mix(in srgb, var(--c-bg-0) 70%, transparent);
  border: 1.5px dashed color-mix(in srgb, var(--c-cyan) 55%, transparent);
  border-radius: var(--radius-md);
  user-select: text;
  -webkit-user-select: text;
}

.room__wait {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--c-text-dim);
}

[data-state='waiting'] .room {
  display: flex;
}

[data-state='waiting'] .card--create .field,
[data-state='waiting'] .online-create__btn {
  display: none;
}

[data-state='creating'] .online-create__btn,
[data-state='joining'] [data-action='online-join'] {
  opacity: 0.55;
  pointer-events: none;
}

[data-state='joining'] .input--code {
  opacity: 0.6;
}

.status-line {
  min-height: 1.6rem;
  text-align: center;
  font-weight: 600;
  color: var(--c-text-dim);
  overflow-wrap: anywhere;
  hyphens: auto;
}

[data-state='creating'] .status-line,
[data-state='joining'] .status-line,
[data-state='waiting'] .status-line {
  color: var(--c-cyan);
}

[data-state='error'] .status-line {
  color: var(--c-red);
  text-shadow: 0 0 0.6rem color-mix(in srgb, var(--c-red) 55%, transparent);
}

/* ═════════ HUD (always left-to-right: left player left, right player right) ═════════ */
.hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--hud-h);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  column-gap: 1rem;
  padding: 0.3rem 1.4rem 0;
  direction: ltr;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(4, 5, 13, 0.78), rgba(4, 5, 13, 0));
}

.hud__side {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 0.05rem;
}

.hud__side--left {
  align-items: flex-start;
  text-align: left;
  --hud-c: var(--hud-left);
}

.hud__side--right {
  align-items: flex-end;
  text-align: right;
  padding-right: 3.9rem; /* room for the pause button */
  --hud-c: var(--hud-right);
}

.hud__name {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  unicode-bidi: plaintext;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--hud-c);
  text-shadow: 0 0 0.6rem color-mix(in srgb, var(--hud-c) 60%, transparent);
}

.hud__score {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--hud-c);
  text-shadow: 0 0 0.35rem var(--hud-c), 0 0 1.1rem color-mix(in srgb, var(--hud-c) 65%, transparent);
}

.hud__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-width: 8rem;
  text-align: center;
}

.hud__first {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
}

.hud__first-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-text-dim);
  max-width: 12rem;
  overflow-wrap: anywhere;
}

.hud__first-n {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--c-white-hot);
  text-shadow: 0 0 0.6rem rgba(157, 92, 255, 0.8);
}

.hud__arcade {
  display: none;
  grid-template-columns: auto auto;
  justify-content: center;
  align-items: center;
  column-gap: 0.9rem;
  row-gap: 0.1rem;
}

.screen--game[data-mode='arcade'] .hud__arcade {
  display: grid;
}

.screen--game[data-mode='arcade'] .hud__first {
  display: none;
}

.arcade-score {
  grid-column: 1 / -1;
  order: -1;
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 900;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  color: var(--c-white-hot);
  text-shadow: 0 0 0.4rem rgba(255, 255, 255, 0.7), 0 0 1.2rem rgba(157, 92, 255, 0.9);
}

.lives {
  display: inline-flex;
  gap: 0.2rem;
  color: var(--c-red);
}

.life {
  width: 1.2rem;
  height: 1.2rem;
  fill: color-mix(in srgb, currentColor 45%, transparent);
  filter: drop-shadow(0 0 0.35rem var(--c-red));
  transition: opacity var(--dur-fast), fill var(--dur-fast);
}

.life.is-lost {
  opacity: 0.3;
  fill: none;
  filter: none;
  color: var(--c-text-mute);
}

.arcade-meta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-text-dim);
}

.arcade-combo {
  color: var(--c-orange);
  text-shadow: 0 0 0.6rem color-mix(in srgb, var(--c-orange) 70%, transparent);
}

.arcade-combo.is-bump {
  color: var(--c-yellow);
}

.hud__ping {
  display: none;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-lime);
}

.hud__ping .icon {
  width: 1rem;
  height: 1rem;
}

.hud__ping.is-warn {
  color: var(--c-orange);
}

.hud__ping.is-bad {
  color: var(--c-red);
}

.screen--game[data-mode='online'] .hud__ping {
  display: inline-flex;
}

.hud__pause {
  position: absolute;
  top: 0.9rem;
  right: 1.2rem;
  width: 2.7rem;
  height: 2.7rem;
  pointer-events: auto;
}

/* ═════════ Game overlays ═════════ */
.overlay--pause,
.overlay--over {
  background: rgba(2, 3, 10, 0.55);
  padding: 1.25rem;
}

.overlay--countdown,
.overlay--goal {
  padding: 1rem;
}

.countdown {
  font-family: var(--font-display);
  font-size: min(15rem, 30vmin);
  font-weight: 900;
  line-height: 1;
  text-align: center;
  color: var(--c-white-hot);
  text-shadow: 0 0 0.12em #fff, 0 0 0.35em var(--c-cyan), 0 0 0.8em color-mix(in srgb, var(--c-cyan) 60%, transparent);
}

.goal {
  --side: var(--c-white-hot);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  max-width: 94%;
  text-align: center;
}

.overlay--goal[data-side='left'] .goal {
  --side: var(--c-cyan);
}

.overlay--goal[data-side='right'] .goal {
  --side: var(--c-magenta);
}

.goal__text {
  font-family: var(--font-display);
  font-size: min(9rem, 17vmin);
  font-weight: 900;
  line-height: 1.05;
  overflow-wrap: anywhere;
  hyphens: auto;
  color: var(--c-white-hot);
  text-shadow: 0 0 0.1em #fff, 0 0 0.3em var(--side), 0 0 0.7em var(--side);
}

.goal__sub {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--side);
  text-shadow: 0 0 0.8rem color-mix(in srgb, var(--side) 70%, transparent);
  overflow-wrap: anywhere;
}

.goal__sub:empty {
  display: none;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.stack--row {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
}

.panel--dialog .stack .btn {
  width: 100%;
}

.panel--over {
  width: min(100%, 32rem);
  align-items: stretch;
  text-align: center;
  gap: 1.1rem;
}

.over__title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: var(--track);
  overflow-wrap: anywhere;
  hyphens: auto;
  color: var(--c-white-hot);
  text-shadow: 0 0 0.35rem var(--c-cyan), 0 0 1.2rem color-mix(in srgb, var(--c-cyan) 70%, transparent);
}

.overlay--over[data-result='lose'] .over__title {
  color: #ffd3f4;
  text-shadow: 0 0 0.35rem var(--c-magenta), 0 0 1.2rem color-mix(in srgb, var(--c-magenta) 70%, transparent);
}

.overlay--over[data-result='neutral'] .over__title {
  text-shadow: 0 0 0.35rem var(--c-violet), 0 0 1.2rem color-mix(in srgb, var(--c-violet) 70%, transparent);
}

.over__score {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--c-text-dim);
}

.over-arcade {
  display: none;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  padding: 1rem 1.1rem;
  background: color-mix(in srgb, var(--c-bg-2) 55%, transparent);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
}

.overlay--over[data-kind='arcade'] .over-arcade {
  display: flex;
}

.overlay--over[data-kind='arcade'] .over__score {
  display: none;
}

.over-arcade__label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-text-dim);
}

.over-arcade__score {
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  color: var(--c-yellow);
  text-shadow: 0 0 0.3rem var(--c-yellow), 0 0 1.2rem color-mix(in srgb, var(--c-yellow) 60%, transparent);
}

.over-arcade__badge {
  display: none;
  align-self: center;
  padding: 0.3rem 1rem;
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--c-bg-0);
  background: var(--c-lime);
  border-radius: 999px;
  box-shadow: 0 0 1rem color-mix(in srgb, var(--c-lime) 70%, transparent);
}

.over-arcade__badge.is-show {
  display: inline-block;
}

.over-arcade__best {
  font-size: 0.95rem;
  color: var(--c-text-dim);
}

.submit {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.7rem;
  margin-top: 0.4rem;
  text-align: start;
}

.submit .field {
  flex: 1 1 11rem;
  min-width: 0;
}

.submit .btn {
  flex: 1 1 auto;
}

.over-arcade[data-state='submitting'] .submit .btn {
  opacity: 0.55;
  pointer-events: none;
}

.over-arcade[data-state='done'] .submit {
  display: none;
}

.submit-result {
  min-height: 1.4rem;
  font-weight: 700;
  color: var(--c-text-dim);
  overflow-wrap: anywhere;
}

.over-arcade[data-state='done'] .submit-result {
  color: var(--c-lime);
  text-shadow: 0 0 0.6rem color-mix(in srgb, var(--c-lime) 55%, transparent);
}

.over-arcade[data-state='error'] .submit-result {
  color: var(--c-red);
}

/* ═════════ Toast ═════════ */
.toast {
  position: absolute;
  left: 50%;
  bottom: 2.2rem;
  z-index: var(--z-toast);
  max-width: min(90vw, 34rem);
  padding: 0.7rem 1.4rem;
  font-weight: 600;
  text-align: center;
  color: var(--c-white-hot);
  background: var(--glass);
  border: 1px solid var(--c-cyan);
  border-radius: 999px;
  box-shadow: var(--glow-soft), 0 0.6rem 1.6rem rgba(0, 0, 0, 0.5);
  transform: translateX(-50%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  overflow-wrap: anywhere;
}

.toast.is-show {
  opacity: 1;
  visibility: visible;
}

.toast:empty {
  display: none;
}

/* ═════════ Responsive: short or narrow windows ═════════ */
@media (max-aspect-ratio: 1/1) {
  .panel {
    padding: 1.4rem 1.3rem;
  }
  .row {
    grid-template-columns: minmax(0, 1fr);
    justify-items: stretch;
  }
  .row__control,
  .row .segmented {
    justify-self: stretch;
    width: 100%;
    max-width: none;
  }
  .row > .btn.row__control {
    width: 100%;
  }
  .swatches {
    justify-content: flex-start;
  }
  .switch {
    justify-content: flex-start;
  }
  .hud__score {
    font-size: 2.4rem;
  }
}

@media (max-height: 560px) and (min-aspect-ratio: 1/1) {
  .panel {
    padding: 1.4rem 1.8rem;
    gap: 1rem;
  }
  .panel--main {
    gap: 1rem;
  }
  .mode-card {
    padding: 0.9rem 0.8rem;
  }
}

/* ═════════ Accessibility ═════════ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .panel,
  .btn,
  .icon-btn,
  .chip,
  .mode-card,
  .input,
  .seg,
  .tab,
  .swatch,
  .switch__track,
  .card,
  .lang-row,
  .howto__item {
    border: 1px solid CanvasText;
    forced-color-adjust: none;
    background: Canvas;
    color: CanvasText;
    box-shadow: none;
    text-shadow: none;
  }
  .seg.is-selected,
  .tab.is-selected,
  .swatch.is-selected,
  .lang-row.is-selected,
  .switch input:checked + .switch__track {
    outline: 3px solid Highlight;
    background: Highlight;
    color: HighlightText;
  }
  .btn:hover,
  .mode-card:hover,
  .lang-row:hover {
    border-color: Highlight;
  }
  .switch__thumb {
    background: CanvasText;
  }
  .title,
  .wordmark span,
  .hud__score,
  .hud__name,
  .countdown,
  .goal__text,
  .goal__sub,
  .over__title,
  .room__code {
    text-shadow: none;
    color: CanvasText;
    forced-color-adjust: auto;
  }
  .panel::before {
    display: none;
  }
}