/*
 * Stars menu system.
 * Adapted from ZENITH UI Kit by cotara_gold (CC BY 4.0).
 * https://cotara-gold.itch.io/zenith-premium-minimalist-html5-ui-kit
 */

:root {
  --stars-bg: #06060e;
  --stars-accent: #e6efff;
  --stars-active: #aac8ff;
  --stars-dim: rgba(230, 239, 255, 0.4);
  --stars-border: rgba(230, 239, 255, 0.15);
  --stars-font: 'Inter', sans-serif;
  --stars-ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

#titleScreen {
  position: fixed;
  inset: 0;
  background-color: #0a0d1a;
  z-index: 1000;
  user-select: none;
  font-family: var(--stars-font);
  color: var(--stars-accent);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: opacity 0.8s var(--stars-ease-out-expo);
  overflow: hidden;
}

#titleScreen.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Stage wraps the visible title layout — used for the full-stage "tear" glitch.
   Kept as a plain positioning container (no flex) so absolute-positioned children
   like .title-telemetry aren't affected by flex layout quirks. */
.title-stage {
  position: absolute;
  inset: 0;
}

@keyframes stars-fade-in {
  0% { opacity: 0; transform: translateY(15px); }
  100% { opacity: 1; transform: translateY(0); }
}

.title-content {
  position: absolute;
  top: 0;
  bottom: 0;
  left: max(15vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: stars-fade-in 1.8s var(--stars-ease-out-expo) forwards;
}

.title-header {
  margin-bottom: 5rem;
}

.title-main {
  font-size: clamp(3.5rem, 6vw, 5rem);
  font-weight: 200;
  letter-spacing: 0.15em;
  color: rgba(233, 237, 247, 0);
  line-height: 1;
  margin: 0;
  position: relative;
  display: inline-block;
  transition: letter-spacing 900ms cubic-bezier(0.22, 1, 0.36, 1),
              color 900ms ease;
}

/* Final reveal state uses the original wordmark tracking (0.25em) rather
   than the design artifact's 0.35em — David wants original dimensions. */
.title-main.wordmark-ready {
  letter-spacing: 0.25em;
  color: rgba(233, 237, 247, 1);
}

/* Compression state — subtle vertical squash, scanlines overlay visible.
   JS owns transform/scanline animation timing; CSS supplies the look. */
.title-main.wordmark-compressing {
  transition: transform 55ms linear, filter 55ms linear;
}

.title-main-body {
  display: inline-block;
  position: relative;
}

.title-letter {
  display: inline-block;
}

/* Chroma split overlays — JS toggles .chroma-on; pseudo-content reads from
   data-text so bit-rot letter swaps are mirrored into the chroma layers. */
.title-main-body::before,
.title-main-body::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  letter-spacing: inherit;
  font-weight: inherit;
  opacity: 0;
  mix-blend-mode: screen;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity 40ms linear;
}
.title-main-body::before {
  color: rgba(255, 64, 64, 0.65);
  transform: translateX(var(--chroma-red-x, -2px));
}
.title-main-body::after {
  color: rgba(64, 240, 255, 0.65);
  transform: translateX(var(--chroma-cyan-x, 2px));
}
.title-main-body.chroma-on::before,
.title-main-body.chroma-on::after {
  opacity: 1;
}

/* Scanlines overlay — JS toggles .scanlines-on when compressing. The lines
   drift upward via background-position animation while active. */
.title-scanlines {
  position: absolute;
  inset: -6% -2%;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.72) 2px,
    rgba(0, 0, 0, 0.72) 3px
  );
  background-size: 100% 3px;
  opacity: 0;
  transition: opacity 80ms linear;
  mix-blend-mode: multiply;
}
.title-main-body.scanlines-on .title-scanlines {
  opacity: 0.95;
  animation: scanline-drift 520ms linear infinite;
}

@keyframes scanline-drift {
  from { background-position-y: 0; }
  to { background-position-y: -3px; }
}

/* Telemetry — bottom-right cluster: timestamp + signal-interpretation stamp underneath. */
.title-telemetry {
  position: absolute;
  bottom: 24px;
  right: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  font-family: var(--r-mono, 'JetBrains Mono', monospace);
  pointer-events: none;
  z-index: 3;
  opacity: 0;
  animation: stars-fade-in 1.4s 0.8s var(--stars-ease-out-expo) forwards;
}

.telemetry-ts {
  font-size: 8px;
  letter-spacing: 0.22em;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.22);
  font-variant-numeric: tabular-nums;
}

/* Per-character model: each glyph span carries its own inline color (alpha).
   No CSS color transition — transitions are intentionally binary (snap), so
   the flicker reads as signal noise rather than a deliberate fade effect. */
.telemetry-stamp {
  font-size: 5px;
  letter-spacing: 0.18em;
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.telemetry-stamp-char {
  display: inline-block;
  margin-right: 0.25em;
}

.telemetry-stamp-char:last-child {
  margin-right: 0;
}

/* Tear effect — each clipped stage clone gets a .title-stage-clip-top / -bottom. */
.title-stage.tearing .title-stage-original {
  visibility: hidden;
}
.title-stage-clone {
  position: absolute;
  inset: 0;
  pointer-events: none;
  will-change: transform, clip-path;
}
.title-tear-seam {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(180, 220, 255, 0.35), rgba(255, 255, 255, 0.08));
}

.title-nav {
  display: flex;
  flex-direction: column;
  width: max-content;
}

.title-menu-item {
  background: none;
  border: none;
  color: var(--stars-accent);
  font-family: var(--stars-font);
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.4;
  padding: 0.75rem 0;
  line-height: 1;
  cursor: pointer;
  text-align: left;
  transition: opacity 0.4s ease, color 0.4s ease;
}

.title-menu-item span {
  display: inline-block;
  transition: transform 0.4s var(--stars-ease-out-expo);
}

.title-menu-item:hover:not(:disabled),
.title-menu-item:focus:not(:disabled) {
  opacity: 1;
  color: var(--stars-active);
  outline: none;
}

.title-menu-item:hover:not(:disabled) span,
.title-menu-item:focus:not(:disabled) span {
  transform: translateX(8px);
}

.title-menu-item:disabled {
  cursor: default;
  opacity: 0.2;
}

/* ============================================================
 * Settings modal — RECEIVER spec
 * Tokens — PANEL #0d1120, AMBER #e8c879 (audio/active),
 *          BLUE #4da8ff (gamepad-related). Inter for display, JetBrains
 *          Mono for metadata/labels/key caps.
 * ============================================================ */

:root {
  --r-panel: #0d1120;
  --r-border: rgba(255, 255, 255, 0.08);
  --r-text: rgba(233, 237, 247, 0.92);
  --r-text-dim: rgba(255, 255, 255, 0.45);
  --r-text-muted: rgba(255, 255, 255, 0.32);
  --r-text-faint: rgba(255, 255, 255, 0.18);
  --r-blue: #4da8ff;
  --r-blue-soft: rgba(77, 168, 255, 0.14);
  --r-amber: #e8c879;
  --r-amber-soft: rgba(232, 200, 121, 0.7);
  --r-mono: 'JetBrains Mono', monospace;
}

#settingsModal {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 15, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  font-family: var(--stars-font);
  color: var(--r-text);
  user-select: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--stars-ease-out-expo);
}

#settingsModal.open {
  opacity: 1;
  pointer-events: auto;
}

.settings-dialog {
  width: 880px;
  max-width: 95vw;
  background-color: var(--r-panel);
  border: 1px solid var(--r-border);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.02);
  transform: translateY(15px);
  transition: transform 0.5s var(--stars-ease-out-expo);
}

#settingsModal.open .settings-dialog {
  transform: translateY(0);
}

.settings-header {
  padding: 22px 28px 18px;
  border-bottom: 1px solid var(--r-border);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.settings-header-title {
  font-family: var(--stars-font);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--r-text);
}

.settings-header-sub {
  font-family: var(--r-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--r-text-faint);
  margin-top: 6px;
}

.settings-header-stamp {
  font-family: var(--r-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.28);
}

.settings-header-stamp-char {
  display: inline-block;
  margin-right: 0.32em;
}
.settings-header-stamp-char:last-child {
  margin-right: 0;
}

/* Tabs */

.settings-tabs {
  display: flex;
  border-bottom: 1px solid var(--r-border);
}
.settings-tab {
  flex: 1;
  background: transparent;
  border: none;
  padding: 16px 18px;
  cursor: pointer;
  text-align: center;
  border-top: 1px solid transparent;
  border-right: 1px solid var(--r-border);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.settings-tab:last-child { border-right: none; }
.settings-tab:hover,
.settings-tab:focus { outline: none; }
.settings-tab .settings-tab-label {
  display: block;
  font-family: var(--r-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--r-text-dim);
  transition: color 0.2s ease;
}
.settings-tab .settings-tab-sub {
  display: block;
  font-family: var(--r-mono);
  font-size: 8.5px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--r-text-faint);
  margin-top: 4px;
}
.settings-tab.is-active {
  border-top-color: var(--r-amber-soft);
  background: rgba(232, 200, 121, 0.04);
}
.settings-tab.is-active .settings-tab-label { color: var(--r-amber); }
.settings-tab:hover:not(.is-active) .settings-tab-label { color: var(--r-text); }
.settings-tab:focus {
  outline: none;
  background: rgba(232, 200, 121, 0.08);
  border-top-color: var(--r-amber);
}
.settings-tab:focus .settings-tab-label { color: var(--r-amber); }

/* Content */

.settings-content {
  padding: 20px 32px;
  min-height: 320px;
}

.settings-tab-pane { display: none; }
.settings-tab-pane.is-active { display: block; }

.settings-section-label {
  font-family: var(--r-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--r-text-muted);
  margin-bottom: 14px;
}
.settings-section-label--top { margin-top: 18px; }

/* Row */

.settings-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--r-border);
}
.settings-row[data-row="aimStick"],
.settings-row[data-row="stickSens"],
.settings-row[data-row="vibration"] { padding: 14px 0; }

.settings-row-label {
  flex: 0 0 200px;
  min-width: 200px;
}
.settings-row-name {
  font-family: var(--stars-font);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--r-text);
  transition: color 0.15s ease;
}
.settings-row:focus-within .settings-row-name {
  color: var(--r-amber);
}
.settings-row-hint {
  font-family: var(--r-mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--r-text-faint);
  margin-top: 4px;
}
.settings-row-control {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

/* Calibration — faint-star brightness target preview */
.settings-calib {
  margin-bottom: 22px;
}
.settings-calib canvas {
  position: static; /* override the global game-canvas absolute positioning */
  display: block;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 7 / 3;
  height: auto;
  margin: 0 auto;
  background: #06060f;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 8px;
  cursor: auto;
}
.settings-calib-caption {
  font-family: var(--r-mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--r-text-faint);
  text-align: center;
  margin-top: 10px;
}
.settings-calib-caption b {
  color: var(--r-text-muted);
  font-weight: 400;
}

/* Slider — track, fill, ticks, square handle, value readout */

.r-slider {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: 340px;
  position: relative;
}
.r-slider-track {
  flex: 1;
  height: 24px;
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.r-slider-track-bg {
  position: absolute;
  left: 0; right: 0;
  top: calc(50% - 1px);
  height: 2px;
  background: rgba(255, 255, 255, 0.10);
}
.r-slider-track-fill {
  position: absolute;
  left: 0;
  top: calc(50% - 1px);
  height: 2px;
  background: var(--r-amber-soft);
  transition: background 0.2s ease;
}
.r-slider[data-accent="blue"] .r-slider-track-fill { background: rgba(77, 168, 255, 0.55); }
.r-slider.is-active .r-slider-track-fill { background: var(--r-amber); }
.r-slider[data-accent="blue"].is-active .r-slider-track-fill { background: var(--r-blue); }

.r-slider-tick {
  position: absolute;
  top: calc(50% - 3px);
  width: 1px;
  height: 6px;
  background: rgba(255, 255, 255, 0.10);
  pointer-events: none;
}
.r-slider-handle {
  position: absolute;
  top: calc(50% - 7px);
  width: 14px;
  height: 14px;
  margin-left: -7px;
  background: #e6ebf5;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
  transition: box-shadow 0.2s ease, background 0.2s ease;
  pointer-events: none;
}
.r-slider.is-active .r-slider-handle {
  background: #fff;
  box-shadow: 0 0 0 2px rgba(232, 200, 121, 0.25), 0 0 12px rgba(232, 200, 121, 0.45);
}
.r-slider[data-accent="blue"].is-active .r-slider-handle {
  box-shadow: 0 0 0 2px rgba(77, 168, 255, 0.25), 0 0 12px rgba(77, 168, 255, 0.45);
}
.r-slider-value {
  font-family: var(--r-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--r-amber-soft);
  min-width: 44px;
  text-align: right;
  cursor: text;
  padding: 2px 4px;
}
.r-slider[data-accent="blue"] .r-slider-value { color: rgba(77, 168, 255, 0.7); }
.r-slider-value-input {
  width: 44px;
  padding: 2px 4px;
  text-align: right;
  font-family: var(--r-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--r-amber-soft);
  color: #fff;
  outline: none;
}
.r-slider[data-accent="blue"] .r-slider-value-input {
  border-color: rgba(77, 168, 255, 0.7);
}

/* Toggle */

.r-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.r-toggle-box {
  position: relative;
  width: 38px;
  height: 20px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  transition: all 0.25s ease;
}
.r-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 14px;
  background: rgba(255, 255, 255, 0.6);
  transition: left 0.2s ease, background 0.2s ease;
}
.r-toggle-label {
  margin-left: 12px;
  font-family: var(--r-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--r-text-dim);
  transition: color 0.2s ease;
}
.r-toggle.is-on .r-toggle-box {
  border-color: var(--r-blue);
  background: var(--r-blue-soft);
}
.r-toggle.is-on .r-toggle-thumb {
  left: 19px;
  background: var(--r-blue);
}
.r-toggle.is-on .r-toggle-label { color: var(--r-blue); }
.r-toggle:focus {
  outline: none;
}
.r-toggle:focus .r-toggle-box {
  box-shadow: 0 0 0 1px var(--r-amber-soft), 0 0 8px rgba(232, 200, 121, 0.35);
}

/* Segmented */

.r-segmented {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.r-seg {
  background: transparent;
  border: none;
  padding: 8px 16px;
  cursor: pointer;
  font-family: var(--r-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--r-text-dim);
  transition: background 0.2s ease, color 0.2s ease;
}
.r-seg + .r-seg {
  border-left: 1px solid rgba(255, 255, 255, 0.10);
}
.r-seg:hover { color: var(--r-text); outline: none; }
.r-seg:focus {
  outline: none;
  background: rgba(232, 200, 121, 0.08);
  color: var(--r-amber);
}
.r-seg.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* Bindings — header row + grid of action rows */

.settings-bindings-header {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  gap: 16px;
  padding-bottom: 8px;
}
.settings-bindings-col {
  font-family: var(--r-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--r-text-faint);
}

.settings-bindings { display: flex; flex-direction: column; }
.settings-bindings .settings-row { padding: 10px 0; }
.settings-bindings .settings-row-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  justify-content: flex-start;
  width: 100%;
}
.settings-bindings .settings-row-control > div {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Key caps — filled / empty / listening */
.r-cap {
  min-width: 36px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  font-family: var(--r-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.r-cap:hover,
.r-cap:focus {
  border-color: var(--r-amber-soft);
  background: rgba(232, 200, 121, 0.04);
  color: var(--r-amber);
  outline: none;
}
.r-cap.is-empty {
  border-style: dashed;
  border-color: var(--r-text-faint);
  background: transparent;
  color: var(--r-text-faint);
  font-size: 12px;
  padding: 0 8px;
}
.r-cap.is-empty:hover {
  border-style: dashed;
  border-color: var(--r-amber-soft);
  background: rgba(232, 200, 121, 0.04);
  color: var(--r-amber);
}
.r-cap.is-listening {
  border-style: solid;
  border-color: var(--r-amber);
  background: rgba(232, 200, 121, 0.10);
  color: var(--r-amber);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0 12px;
  animation: rebindPulse 1.4s ease-in-out infinite;
}
@keyframes rebindPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

/* Conflict tooltip — small inline note above the listening cap */
.r-cap-conflict {
  position: absolute;
  margin-top: -36px;
  padding: 4px 8px;
  font-family: var(--r-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgb(255, 150, 120);
  background: rgba(40, 12, 12, 0.85);
  border: 1px solid rgba(255, 150, 120, 0.35);
  pointer-events: none;
  white-space: nowrap;
}

/* Access placeholder */

.settings-access-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 280px;
  text-align: center;
}
.settings-access-placeholder-stamp {
  font-family: var(--r-mono);
  font-size: 22px;
  color: var(--r-text-faint);
  letter-spacing: 0.2em;
}
.settings-access-placeholder-text {
  font-family: var(--stars-font);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--r-text-dim);
}
.settings-access-placeholder-hint {
  font-family: var(--r-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--r-text-faint);
}

/* Footer */

.settings-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--r-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.settings-footer-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.settings-esc-hint {
  font-family: var(--r-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--r-text-faint);
}
.r-reset {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--r-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--r-text-dim);
  cursor: pointer;
  transition: color 0.2s ease;
}
.r-reset:hover {
  color: var(--r-text);
  text-decoration: underline;
  text-underline-offset: 4px;
  outline: none;
}
.r-close {
  background: transparent;
  color: var(--r-text);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 10px 24px;
  font-family: var(--r-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
}
.r-close:hover,
.r-close:focus {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-color: #fff;
  outline: none;
}
.r-reset:focus {
  outline: none;
  color: var(--r-amber);
}

/* ============================================================
 * Pause menu
 * ============================================================ */

#pauseModal {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 14, 0.65);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  padding-left: max(15vw, 3rem);
  z-index: 1500;
  font-family: var(--stars-font);
  color: var(--stars-accent);
  user-select: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--stars-ease-out-expo);
}

#pauseModal.open {
  opacity: 1;
  pointer-events: auto;
}

.pause-content {
  display: flex;
  flex-direction: column;
  transform: translateY(15px);
  transition: transform 0.5s var(--stars-ease-out-expo);
}

#pauseModal.open .pause-content {
  transform: translateY(0);
}

.pause-header {
  margin-bottom: 2.5rem;
}

.pause-title {
  font-size: 2rem;
  font-weight: 200;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin: 0;
  line-height: 1;
}

.pause-nav {
  display: flex;
  flex-direction: column;
  width: max-content;
  min-width: 220px;
}

.pause-divider {
  border-top: 1px solid var(--stars-border);
  margin: 0.75rem 0;
  width: 120px;
  opacity: 0.6;
}

/* ============================================================
 * Credits modal — content-only variant of the settings dialog
 * ============================================================ */

#creditsModal,
#guideModal {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 14, 0.75);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  font-family: var(--stars-font);
  color: var(--stars-accent);
  user-select: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--stars-ease-out-expo);
}

#creditsModal.open,
#guideModal.open {
  opacity: 1;
  pointer-events: auto;
}

.credits-dialog {
  width: 640px;
  max-width: 95vw;
  background-color: var(--stars-bg);
  border: 1px solid var(--stars-border);
  transform: translateY(15px);
  transition: transform 0.5s var(--stars-ease-out-expo);
}

#creditsModal.open .credits-dialog,
#guideModal.open .credits-dialog {
  transform: translateY(0);
}

.credits-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--stars-border);
}

.credits-header-title {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.credits-content {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.credits-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.credits-section-title {
  font-size: 0.65rem;
  color: var(--stars-dim);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.credits-line {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.06em;
}

.credits-link {
  color: var(--stars-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--stars-border);
  transition: color 0.3s ease, border-color 0.3s ease;
}

.credits-link:hover,
.credits-link:focus {
  color: var(--stars-active);
  border-color: var(--stars-active);
  outline: none;
}

.credits-license {
  font-size: 0.7rem;
  color: var(--stars-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-left: 0.5rem;
}

.credits-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--stars-border);
  display: flex;
  justify-content: flex-end;
}

/* ============================================================
 * Chapter select
 * ============================================================ */

#chapterSelect {
  position: fixed;
  inset: 0;
  background-color: var(--stars-bg);
  z-index: 1100;
  font-family: var(--stars-font);
  color: var(--stars-accent);
  user-select: none;
  display: flex;
  flex-direction: column;
  opacity: 1;
  transition: opacity 0.6s var(--stars-ease-out-expo);
  overflow: hidden;
}

#chapterSelect.chapter-hidden {
  opacity: 0;
  pointer-events: none;
}

.chapter-select-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem max(5vw, 3rem) 1.5rem;
  border-bottom: 1px solid var(--stars-border);
}

.chapter-select-title {
  font-size: 1.25rem;
  font-weight: 200;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  margin: 0;
  line-height: 1;
}

.chapter-back-btn {
  background: none;
  border: none;
  color: var(--stars-accent);
  font-family: var(--stars-font);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.5;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.chapter-back-btn:hover,
.chapter-back-btn:focus {
  opacity: 1;
  color: var(--stars-active);
  outline: none;
}

.chapter-grid {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.25rem;
  padding: 3rem max(12vw, 5rem);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  scroll-behavior: smooth;
  flex: 1;
}

/* Slim horizontal scrollbar, matched to Stars palette */
.chapter-grid::-webkit-scrollbar { height: 4px; }
.chapter-grid::-webkit-scrollbar-track { background: transparent; }
.chapter-grid::-webkit-scrollbar-thumb {
  background: var(--stars-border);
  border-radius: 2px;
}
.chapter-grid::-webkit-scrollbar-thumb:hover { background: var(--stars-dim); }

.chapter-card {
  flex: 0 0 200px;
  background: transparent;
  border: 1px solid var(--stars-border);
  color: var(--stars-accent);
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-family: var(--stars-font);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 280px;
  scroll-snap-align: center;
  transition: border-color 0.35s var(--stars-ease-out-expo),
              transform 0.35s var(--stars-ease-out-expo),
              background-color 0.35s ease;
}

/* Reserved space for future map symbol / thumbnail / logo — takes the
 * upper portion of the card, pushing the text block toward the bottom. */
.chapter-card__icon {
  flex: 1 1 auto;
  min-height: 100px;
}

.chapter-card:hover:not(:disabled),
.chapter-card:focus:not(:disabled) {
  border-color: var(--stars-active);
  transform: translateY(-3px);
  background-color: rgba(170, 200, 255, 0.03);
  outline: none;
}

.chapter-card:disabled {
  cursor: default;
  opacity: 0.3;
}

.chapter-card__index {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--stars-dim);
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

.chapter-card__name {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--stars-accent);
}

.chapter-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stars-dim);
  margin-top: auto;
}

.chapter-card__meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
}

.chapter-card__meta-value {
  color: var(--stars-accent);
  font-variant-numeric: tabular-nums;
}

.chapter-card__shards {
  color: var(--stars-active);
  opacity: 0.75;
}

.chapter-status {
  padding: 0.75rem max(5vw, 3rem) 1.25rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stars-dim);
  min-height: 1.5rem;
}

/* ============================================================
 * HUD hide utility — applied to HUD header and legend when
 * "Show HUD" is off (default).
 * ============================================================ */

.hud--hidden {
  display: none !important;
}

/* ============================================================
   i18n — non-Latin locale gate (body class set by i18n.js).
   Wide tracking + uppercase are Latin display conventions; they
   are meaningless or harmful for CJK and connected scripts, so
   strip them wholesale when a non-Latin locale is active.
   ============================================================ */
body.locale-nonlatin,
body.locale-nonlatin *:not(.i18n-latin):not(.i18n-latin *) {
  letter-spacing: normal !important;
  text-transform: none !important;
}

/* Language cycler (settings) — ‹ name › ; scales to the full locale set. */
.r-cycler { display: flex; align-items: center; gap: 4px; }
.r-cyc-arrow {
  background: none; border: 1px solid var(--r-border); color: var(--r-text-dim);
  border-radius: 5px; width: 26px; height: 26px; cursor: pointer;
  font-size: 14px; line-height: 1; padding: 0;
}
.r-cyc-arrow:hover { color: var(--r-text); border-color: rgba(255, 255, 255, 0.25); }
.r-cyc-label {
  min-width: 128px; text-align: center; color: var(--r-text);
  font-size: 12.5px; letter-spacing: 0.4px;
}

/* How-to-play guide visuals */
.guide-row { display: flex; align-items: center; gap: 14px; margin: 7px 0; }
.guide-row .credits-line { margin: 0; }
.guide-shard {
  flex: 0 0 auto; width: 32px; height: 32px;
  filter: drop-shadow(0 0 5px rgba(170, 200, 255, 0.45));
}
.guide-card {
  flex: 0 0 auto; width: 42px; height: 56px;
  border-radius: 5px; position: relative;
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 4px;
  font-family: var(--r-mono, 'JetBrains Mono', monospace);
  font-size: 7.5px; letter-spacing: 1.2px;
  color: rgba(255, 255, 255, 0.55);
}
.guide-card svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.guide-card--par  { background: #090b1c; border: 1px solid rgba(220, 20, 60, 0.55); }
.guide-card--time { background: #0a0d1a; border: 1px solid rgba(170, 200, 255, 0.4); }