:root {
  --cer-bg: #06101d;
  --cer-bg-2: #0b1c31;
  --cer-border: rgba(255, 255, 255, 0.14);
  --cer-text: #eef6ff;
  --cer-muted: #a9bbd3;
  --cer-blue: #38bdf8;
  --cer-blue-2: #2563eb;
  --cer-green: #34d399;
  --cer-yellow: #fbbf24;
  --cer-red: #fb7185;
  --cer-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}
.cer-runner, .cer-runner * { box-sizing: border-box; }
.cer-runner {
  outline: none;
  width: min(1180px, 100%);
  margin: 28px auto;
  color: var(--cer-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}
.cer-shell {
  padding: clamp(16px, 2.5vw, 28px);
  border-radius: 36px;
  background: radial-gradient(circle at 12% 0%, rgba(56, 189, 248, 0.24), transparent 34%), radial-gradient(circle at 88% 18%, rgba(52, 211, 153, 0.16), transparent 28%), linear-gradient(145deg, var(--cer-bg), var(--cer-bg-2));
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: var(--cer-shadow);
  overflow: hidden;
}
.cer-topline { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 18px; }
.cer-badge {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; padding: 8px 12px; border-radius: 999px;
  color: #dff8ff; background: rgba(56, 189, 248, 0.14); border: 1px solid rgba(56, 189, 248, 0.25); font-size: 14px; font-weight: 800;
}
.cer-topline h2 {
  margin: 0 0 10px !important; color: var(--cer-text) !important; font-size: clamp(38px, 5vw, 74px) !important;
  line-height: 0.92 !important; letter-spacing: -0.065em !important; font-weight: 900 !important;
}
.cer-topline p { max-width: 780px; margin: 0 !important; color: var(--cer-muted) !important; font-size: 17px; line-height: 1.62; }
.cer-game-layout { display: grid; grid-template-columns: minmax(320px, 560px) minmax(260px, 1fr); gap: 18px; align-items: stretch; }
.cer-stage-wrap {
  position: relative; width: 100%; min-height: 680px; border-radius: 30px; overflow: hidden; background: #030712;
  border: 1px solid rgba(255, 255, 255, 0.16); box-shadow: 0 22px 60px rgba(0, 0, 0, 0.38); touch-action: none; -webkit-user-select: none; user-select: none;
}
.cer-canvas { display: block; width: 100%; height: 100%; min-height: 680px; background: #06101d; touch-action: none; }
.cer-hud { position: absolute; inset: 14px 14px auto; z-index: 3; pointer-events: none; }
.cer-hud-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 8px; }
.cer-hud-item, .cer-mini { padding: 9px 10px; border-radius: 16px; background: rgba(2, 6, 23, 0.62); border: 1px solid rgba(255, 255, 255, 0.12); backdrop-filter: blur(12px); }
.cer-hud-item span, .cer-mini span, .cer-result-grid span { display: block; color: var(--cer-muted); font-size: 11px; line-height: 1.15; margin-bottom: 4px; }
.cer-hud-item strong, .cer-mini strong, .cer-result-grid strong { display: block; color: var(--cer-text); font-size: 18px; line-height: 1; letter-spacing: -0.03em; }
.cer-power-strip { padding: 10px; border-radius: 20px; background: rgba(2, 6, 23, 0.48); border: 1px solid rgba(255, 255, 255, 0.1); backdrop-filter: blur(12px); }
.cer-meter { margin-bottom: 8px; }
.cer-meter-label { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 6px; color: var(--cer-muted); font-size: 12px; }
.cer-meter-label strong { color: var(--cer-text); }
.cer-meter-bar { height: 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.13); overflow: hidden; }
.cer-meter-bar i { display: block; width: 80%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cer-green), var(--cer-blue)); transition: width 0.2s ease, background 0.2s ease; }
.cer-mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.cer-mini.is-warn { border-color: rgba(251, 191, 36, 0.55); }
.cer-mini.is-danger { border-color: rgba(251, 113, 133, 0.62); }
.cer-message {
  position: absolute; left: 14px; right: 14px; bottom: calc(14px + env(safe-area-inset-bottom, 0px)); z-index: 4; min-height: 46px; display: grid; place-items: center; padding: 10px 14px;
  border-radius: 18px; color: #eaf7ff; background: rgba(2, 6, 23, 0.64); border: 1px solid rgba(255, 255, 255, 0.12); backdrop-filter: blur(14px);
  text-align: center; font-size: 13px; line-height: 1.35; pointer-events: none;
}
.cer-overlay { position: absolute; inset: 0; z-index: 8; display: grid; place-items: center; padding: 18px; background: rgba(2, 6, 23, 0.76); backdrop-filter: blur(14px); }
.cer-card {
  width: min(430px, 100%); padding: clamp(22px, 4vw, 32px); border-radius: 30px; text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.22), transparent 40%), rgba(11, 18, 32, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.16); box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}
.cer-logo { width: 68px; height: 68px; display: grid; place-items: center; margin: 0 auto 14px; border-radius: 24px; background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(251, 191, 36, 0.18)); font-size: 34px; }
.cer-card h3 { margin: 0 0 10px !important; color: var(--cer-text) !important; font-size: clamp(32px, 5vw, 48px) !important; line-height: 0.95 !important; letter-spacing: -0.055em !important; font-weight: 900 !important; }
.cer-card p { margin: 0 0 18px !important; color: var(--cer-muted) !important; font-size: 16px; line-height: 1.55; }
.cer-card small { display: block; margin-top: 12px; color: var(--cer-muted); font-size: 12px; line-height: 1.35; }
.cer-button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; width: 100%; padding: 13px 18px; border: 0; border-radius: 18px; background: linear-gradient(135deg, var(--cer-blue), var(--cer-blue-2)); color: #fff; font: inherit; font-weight: 900; cursor: pointer; transition: transform 0.16s ease, filter 0.16s ease; text-decoration: none !important; }
.cer-button:hover, .cer-button:focus-visible { transform: translateY(-2px); filter: brightness(1.08); outline: none; }
.cer-result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 0 0 16px; }
.cer-result-grid div { padding: 12px; border-radius: 16px; background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.11); }
.cer-hidden { display: none !important; }
.cer-side { padding: 24px; border-radius: 30px; background: linear-gradient(145deg, rgba(255, 255, 255, 0.105), rgba(255, 255, 255, 0.05)); border: 1px solid var(--cer-border); box-shadow: var(--cer-shadow); }
.cer-side h3 { margin: 0 0 10px !important; color: var(--cer-text) !important; font-size: 26px !important; line-height: 1.1 !important; letter-spacing: -0.04em; }
.cer-side p { margin: 0 0 18px !important; color: var(--cer-muted) !important; font-size: 16px; line-height: 1.62; }
.cer-rules { display: grid; gap: 10px; }
.cer-rules div { padding: 14px; border-radius: 18px; background: rgba(2, 6, 23, 0.38); border: 1px solid rgba(255, 255, 255, 0.1); }
.cer-rules strong { display: block; color: var(--cer-text); font-size: 15px; margin-bottom: 4px; }
.cer-rules span { display: block; color: var(--cer-muted); font-size: 14px; }
.cer-secret-trigger { display: inline-grid; place-items: center; width: 38px; height: 38px; border: 0; border-radius: 999px; background: rgba(11, 43, 92, 0.08); color: #0b2b5c; cursor: pointer; font-size: 18px; transition: transform 0.18s ease, background 0.18s ease; text-decoration: none !important; }
.cer-secret-trigger:hover, .cer-secret-trigger:focus-visible { transform: translateY(-2px); background: rgba(56, 189, 248, 0.18); outline: none; }

.cer-top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cer-fullscreen-btn,
.cer-exit-fullscreen,
.cer-stage-pause {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.1);
  color: var(--cer-text);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none !important;
  transition: transform 0.16s ease, background 0.16s ease;
}
.cer-fullscreen-btn:hover,
.cer-fullscreen-btn:focus-visible,
.cer-exit-fullscreen:hover,
.cer-exit-fullscreen:focus-visible,
.cer-stage-pause:hover,
.cer-stage-pause:focus-visible {
  transform: translateY(-2px);
  background: rgba(56, 189, 248, 0.18);
  outline: none;
}
.cer-stage-pause {
  position: absolute;
  top: calc(10px + env(safe-area-inset-top, 0px));
  left: calc(10px + env(safe-area-inset-left, 0px));
  z-index: 20;
  width: 44px;
  height: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  background: rgba(2, 6, 23, 0.54);
  backdrop-filter: blur(12px);
}

.cer-exit-fullscreen {
  position: absolute;
  top: calc(10px + env(safe-area-inset-top, 0px));
  right: calc(10px + env(safe-area-inset-right, 0px));
  z-index: 20;
  width: 44px;
  height: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(12px);
}
.cer-runner.cer-fullscreen-mode {
  position: fixed;
  inset: 0;
  z-index: 999999;
  width: 100vw;
  height: 100dvh;
  margin: 0;
  background: #020617;
  overflow: hidden;
}
.cer-runner.cer-fullscreen-mode .cer-shell {
  width: 100%;
  height: 100%;
  padding: 0;
  border-radius: 0;
  border: 0;
  box-shadow: none;
  overflow: hidden;
}
.cer-runner.cer-fullscreen-mode .cer-topline,
.cer-runner.cer-fullscreen-mode .cer-side {
  display: none;
}
.cer-runner.cer-fullscreen-mode .cer-game-layout {
  display: block;
  width: 100%;
  height: 100%;
}
.cer-runner.cer-fullscreen-mode .cer-stage-wrap,
.cer-runner.cer-fullscreen-mode .cer-canvas {
  width: 100%;
  height: 100dvh;
  min-height: 100dvh;
  border: 0;
  border-radius: 0;
}
.cer-runner.cer-fullscreen-mode .cer-exit-fullscreen {
  display: grid !important;
}

.cer-runner.cer-fullscreen-mode .cer-stage-pause {
  display: grid !important;
}
.cer-runner.cer-fullscreen-mode .cer-hud {
  inset: calc(12px + env(safe-area-inset-top, 0px)) 12px auto;
}
body.cer-scroll-lock {
  overflow: hidden !important;
  touch-action: none;
}

@media (max-width: 920px) {
  .cer-game-layout { grid-template-columns: 1fr; }
  .cer-side { order: -1; }
  .cer-stage-wrap, .cer-canvas { min-height: min(720px, 82vh); }
}
@media (max-width: 560px) {
  .cer-runner { margin: 12px auto; }
  .cer-shell { padding: 10px; border-radius: 24px; }
  .cer-topline { margin-bottom: 10px; }
  .cer-topline h2 { font-size: 36px !important; }
  .cer-topline p, .cer-side { display: none; }
  .cer-fullscreen-btn { padding: 9px 11px; font-size: 12px; }
  .cer-stage-wrap, .cer-canvas { min-height: 78vh; border-radius: 22px; }
  .cer-hud { inset: 10px 10px auto; }
  .cer-hud-row, .cer-mini-grid { gap: 6px; }
  .cer-hud-item, .cer-mini { padding: 8px 7px; border-radius: 13px; }
  .cer-hud-item strong, .cer-mini strong { font-size: 15px; }
  .cer-hud-item span, .cer-mini span, .cer-result-grid span { font-size: 10px; }
  .cer-card { border-radius: 24px; }
}


/* v1.1.1 HUD simplification */
.cer-topline { gap: 20px; flex-wrap: wrap; }
.cer-top-actions { margin-left: auto; }
.cer-hud { inset: 12px 12px auto; }
.cer-hud-top { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; padding: 0 56px; margin-bottom: 8px; }
.cer-hud-stat, .cer-status-pill { padding: 8px 10px; border-radius: 16px; background: rgba(2, 6, 23, 0.58); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(12px); }
.cer-hud-stat span, .cer-status-pill span, .cer-light-strip-head span { display:block; color: var(--cer-muted); font-size: 10px; line-height: 1.15; margin-bottom: 4px; }
.cer-hud-stat strong, .cer-status-pill strong, .cer-light-strip-head strong { display:block; color: var(--cer-text); font-size: 15px; line-height: 1; letter-spacing: -0.03em; }
.cer-light-strip { margin-bottom: 8px; padding: 8px 10px; border-radius: 16px; background: rgba(2, 6, 23, 0.52); border: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(12px); }
.cer-light-strip-head { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom: 6px; }
.cer-meter-bar-compact { height: 8px; }
.cer-status-row { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap:8px; }
.cer-status-pill.cer-hidden { display:none !important; }
.cer-status-pill.is-warn { border-color: rgba(251, 191, 36, 0.55); }
.cer-status-pill.is-danger { border-color: rgba(251, 113, 133, 0.62); }
.cer-power-strip, .cer-hud-row, .cer-hud-item, .cer-mini-grid, .cer-mini { all: unset; }
.cer-runner.cer-fullscreen-mode .cer-hud-top { padding: 0 56px; }
@media (max-width: 560px) {
  .cer-topline { align-items: center; }
  .cer-badge { margin-bottom: 0; }
  .cer-top-actions { width: 100%; display:flex; justify-content:flex-end; }
  .cer-hud { inset: 10px 8px auto; }
  .cer-hud-top { gap: 6px; padding: 0 50px; }
  .cer-hud-stat, .cer-status-pill { padding: 7px 8px; border-radius: 14px; }
  .cer-hud-stat span, .cer-status-pill span, .cer-light-strip-head span { font-size: 9px; }
  .cer-hud-stat strong, .cer-status-pill strong, .cer-light-strip-head strong { font-size: 13px; }
  .cer-light-strip { padding: 7px 8px; border-radius: 14px; }
  .cer-status-row { gap: 6px; }
  .cer-fullscreen-btn { min-height: 40px; }
  .cer-stage-pause, .cer-exit-fullscreen { width: 42px; height: 42px; }
}


/* v1.2.0 Ultra-compact mobile gameplay HUD */
@media (max-width: 560px) {
  .cer-runner.cer-fullscreen-mode .cer-hud,
  .cer-hud {
    inset: calc(8px + env(safe-area-inset-top, 0px)) 8px auto;
  }

  .cer-hud-top {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    padding: 0 48px;
    margin-bottom: 5px;
  }

  .cer-hud-stat {
    min-height: 28px;
    padding: 5px 6px;
    border-radius: 11px;
    background: rgba(2, 6, 23, 0.46);
    border-color: rgba(255, 255, 255, 0.09);
    text-align: center;
  }

  .cer-hud-stat span {
    display: block;
    margin-bottom: 1px;
    font-size: 8px;
    line-height: 1;
    opacity: 0.72;
  }

  .cer-hud-stat strong {
    font-size: 12px;
    line-height: 1;
  }

  .cer-light-strip {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 8px;
    min-height: 24px;
    margin: 0 48px 5px;
    padding: 5px 8px;
    border-radius: 999px;
    background: rgba(2, 6, 23, 0.42);
    border-color: rgba(255, 255, 255, 0.08);
  }

  .cer-light-strip-head {
    margin: 0;
    display: block;
    min-width: 38px;
  }

  .cer-light-strip-head span {
    display: none;
  }

  .cer-light-strip-head strong {
    font-size: 11px;
    line-height: 1;
    white-space: nowrap;
  }

  .cer-light-strip-head strong::before {
    content: "💡 ";
    font-size: 10px;
  }

  .cer-meter-bar-compact {
    height: 5px;
    min-width: 0;
  }

  .cer-status-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    min-height: 18px;
    margin: 0 50px;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(2, 6, 23, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(10px);
  }

  .cer-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    backdrop-filter: none;
    min-width: 0;
  }

  .cer-status-pill span {
    display: none;
  }

  .cer-status-pill strong {
    display: inline;
    font-size: 10px;
    line-height: 1;
    color: rgba(238, 246, 255, 0.82);
    white-space: nowrap;
  }

  .cer-status-pill:not(:last-child)::after {
    content: "·";
    margin: 0 6px;
    color: rgba(169, 187, 211, 0.58);
    font-size: 10px;
  }

  .cer-status-pill.is-warn strong {
    color: #fbbf24;
  }

  .cer-status-pill.is-danger strong {
    color: #fb7185;
  }

  .cer-status-pill[data-cer-shield-box] strong::before {
    content: "🛡 ";
  }

  .cer-stage-pause,
  .cer-exit-fullscreen {
    width: 40px;
    height: 40px;
    font-size: 16px;
    background: rgba(2, 6, 23, 0.52);
  }

  .cer-stage-pause {
    top: calc(7px + env(safe-area-inset-top, 0px));
    left: calc(7px + env(safe-area-inset-left, 0px));
  }

  .cer-exit-fullscreen {
    top: calc(7px + env(safe-area-inset-top, 0px));
    right: calc(7px + env(safe-area-inset-right, 0px));
  }

  .cer-message {
    left: 10px;
    right: 10px;
    bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    min-height: 40px;
    padding: 8px 12px;
    border-radius: 16px;
    font-size: 12px;
  }

  .cer-runner.cer-fullscreen-mode .cer-stage-wrap,
  .cer-runner.cer-fullscreen-mode .cer-canvas {
    height: 100dvh;
    min-height: 100dvh;
  }
}

/* Extra-small screens: keep only the essential HUD line. */
@media (max-width: 390px) {
  .cer-hud-top {
    padding: 0 44px;
  }

  .cer-light-strip {
    margin-left: 44px;
    margin-right: 44px;
  }

  .cer-status-row {
    margin-left: 46px;
    margin-right: 46px;
  }

  .cer-hud-stat span {
    display: none;
  }

  .cer-hud-stat {
    min-height: 24px;
    padding-top: 6px;
  }

  .cer-hud-stat strong {
    font-size: 11px;
  }
}


/* v1.2.1 mobile polish */
.cer-card .cer-button + .cer-button {
  margin-top: 12px;
}

.cer-topline {
  row-gap: 12px;
}

.cer-top-actions {
  display: flex;
  align-items: center;
}

@media (max-width: 560px) {
  .cer-topline {
    justify-content: space-between;
  }

  .cer-topline > div:first-child {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
  }

  .cer-topline h2,
  .cer-topline p {
    width: 100%;
  }

  .cer-top-actions {
    width: auto;
    margin-left: 0;
  }

  .cer-status-row {
    display: none !important;
  }

  .cer-light-strip {
    margin-bottom: 2px;
  }

  .cer-light-strip-head strong::before {
    content: '';
  }
}


/* v1.4.0 game-feel polish */
.cer-node-flash {
  position: absolute;
  left: 50%;
  top: 44%;
  z-index: 7;
  width: min(360px, calc(100% - 36px));
  transform: translate(-50%, -50%);
  padding: 18px 20px;
  border-radius: 24px;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(circle at 50% 0%, rgba(251, 191, 36, 0.35), transparent 60%),
    rgba(2, 6, 23, 0.68);
  border: 1px solid rgba(251, 191, 36, 0.38);
  box-shadow: 0 0 36px rgba(251, 191, 36, 0.22);
  backdrop-filter: blur(14px);
  pointer-events: none;
  animation: cerNodePulse 1.4s ease both;
}

.cer-node-flash strong {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.cer-node-flash span {
  display: block;
  color: rgba(238, 246, 255, 0.82);
  font-size: 14px;
}

.cer-card.is-success {
  border-color: rgba(52, 211, 153, 0.38);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45), 0 0 42px rgba(52, 211, 153, 0.14);
}

.cer-card.is-warning {
  border-color: rgba(251, 191, 36, 0.32);
}

.cer-card.is-danger {
  border-color: rgba(251, 113, 133, 0.34);
}

@keyframes cerNodePulse {
  0% {
    opacity: 0;
    transform: translate(-50%, -42%) scale(0.92);
  }

  18% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.02);
  }

  78% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -58%) scale(0.96);
  }
}

@media (max-width: 560px) {
  .cer-node-flash {
    top: 42%;
    padding: 14px 16px;
    border-radius: 20px;
  }

  .cer-node-flash strong {
    font-size: 26px;
  }

  .cer-node-flash span {
    font-size: 12px;
  }
}


/* v1.5.0 refinement: clearer menu spacing and calmer mobile play */
.cer-card .cer-button + .cer-button { margin-top: 14px; }
@media (max-width: 560px) {
  .cer-card { padding-top: 24px; padding-bottom: 24px; }
  .cer-card p { font-size: 15px; line-height: 1.48; }
  .cer-button { min-height: 54px; }
}


/* v1.7.0 refinement */
.cer-result-tip {
  margin: -4px 0 16px !important;
  padding: 10px 12px;
  border-radius: 16px;
  color: rgba(238, 246, 255, 0.82) !important;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.12);
  font-size: 13px !important;
  line-height: 1.35 !important;
}

@media (max-width: 560px) {
  .cer-message {
    opacity: 0.92;
  }

  .cer-node-flash {
    width: min(300px, calc(100% - 44px));
  }

  .cer-result-tip {
    font-size: 12px !important;
  }
}


/* v1.8.3 performance mode for weaker mobile devices */
.cer-runner.cer-performance-mode .cer-hud-stat,
.cer-runner.cer-performance-mode .cer-status-pill,
.cer-runner.cer-performance-mode .cer-light-strip,
.cer-runner.cer-performance-mode .cer-message,
.cer-runner.cer-performance-mode .cer-card,
.cer-runner.cer-performance-mode .cer-node-flash,
.cer-runner.cer-performance-mode .cer-stage-pause,
.cer-runner.cer-performance-mode .cer-exit-fullscreen {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.cer-runner.cer-performance-mode .cer-stage-wrap {
  box-shadow: none;
}

.cer-runner.cer-performance-mode .cer-shell {
  box-shadow: none;
}

.cer-runner.cer-performance-mode .cer-node-flash {
  box-shadow: none;
}

@media (max-width: 560px) {
  .cer-runner.cer-performance-mode .cer-message {
    background: rgba(2, 6, 23, 0.72);
  }
}


/* v1.8.4 compact desktop HUD */
.cer-status-row {
  display: none !important;
}

.cer-hud {
  inset: 12px 12px auto;
}

.cer-hud-top {
  max-width: 420px;
  margin: 0 auto 6px;
  padding: 0 56px;
}

.cer-hud-stat {
  min-height: 34px;
  padding: 7px 9px;
  border-radius: 14px;
  background: rgba(2, 6, 23, 0.50);
}

.cer-hud-stat span {
  font-size: 9px;
  margin-bottom: 2px;
}

.cer-hud-stat strong {
  font-size: 14px;
}

.cer-light-strip {
  max-width: 420px;
  min-height: 24px;
  margin: 0 auto;
  padding: 5px 9px;
  border-radius: 999px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
  background: rgba(2, 6, 23, 0.42);
}

.cer-light-strip-head {
  display: block;
  margin: 0;
  min-width: 42px;
}

.cer-light-strip-head span {
  display: none;
}

.cer-light-strip-head strong {
  font-size: 11px;
  white-space: nowrap;
}

.cer-meter-bar-compact {
  height: 5px;
}

.cer-runner.cer-fullscreen-mode .cer-hud-top,
.cer-runner.cer-fullscreen-mode .cer-light-strip {
  max-width: 420px;
}

@media (min-width: 561px) {
  .cer-message {
    max-width: 560px;
    left: 50%;
    right: auto;
    width: calc(100% - 48px);
    transform: translateX(-50%);
  }
}


/* v1.9.2 subtle branding */
.cer-about-note-compact {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 9px 10px;
  border-radius: 14px;
  color: rgba(238, 246, 255, 0.62);
  background: rgba(2, 6, 23, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 12px;
  line-height: 1.2;
}

.cer-about-note-compact img {
  display: block;
  width: 22px;
  height: 22px;
  object-fit: contain;
  flex: 0 0 auto;
  opacity: 0.82;
}

.cer-runner.cer-fullscreen-mode .cer-about-note-compact {
  display: none;
}

@media (max-width: 920px) {
  .cer-about-note-compact {
    display: none;
  }
}


/* v1.12.0 run mission */
.cer-mission-card {
  margin: 18px auto 18px;
  padding: 13px 15px;
  max-width: 420px;
  border-radius: 18px;
  background: rgba(56, 189, 248, 0.09);
  border: 1px solid rgba(56, 189, 248, 0.16);
  text-align: left;
}

.cer-mission-card span {
  display: block;
  margin-bottom: 4px;
  color: var(--cer-muted);
  font-size: 12px;
  line-height: 1.2;
}

.cer-mission-card strong {
  display: block;
  color: var(--cer-text);
  font-size: 18px;
  line-height: 1.2;
  font-weight: 900;
}

.cer-mission-card small {
  display: block;
  margin-top: 5px;
  color: rgba(238, 246, 255, 0.68);
  font-size: 12px;
  line-height: 1.25;
}

.cer-mission-result {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: -2px 0 14px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(2, 6, 23, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.09);
  text-align: left;
}

.cer-mission-result.is-complete {
  background: rgba(52, 211, 153, 0.10);
  border-color: rgba(52, 211, 153, 0.22);
}

.cer-mission-result.is-failed {
  background: rgba(251, 191, 36, 0.08);
  border-color: rgba(251, 191, 36, 0.18);
}

.cer-mission-result > span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 18px;
  flex: 0 0 auto;
}

.cer-mission-result strong {
  display: block;
  color: var(--cer-text);
  font-size: 14px;
  line-height: 1.2;
}

.cer-mission-result small {
  display: block;
  margin-top: 3px;
  color: var(--cer-muted);
  font-size: 12px;
  line-height: 1.3;
}

@media (max-width: 560px) {
  .cer-mission-card {
    margin: 14px auto;
    padding: 11px 12px;
  }

  .cer-mission-card strong {
    font-size: 15px;
  }

  .cer-mission-result {
    padding: 10px 11px;
  }
}


/* v1.13.0 local progress / replay polish */
.cer-start-progress {
  margin: 8px auto 14px;
  color: rgba(238, 246, 255, 0.58);
  font-size: 12px;
  line-height: 1.3;
  text-align: center;
}

.cer-progress-panel {
  display: grid;
  gap: 6px;
  margin: -2px 0 14px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.09);
  text-align: left;
}

.cer-progress-panel span {
  display: block;
  margin-bottom: 3px;
  color: var(--cer-muted);
  font-size: 11px;
  line-height: 1.15;
}

.cer-progress-panel strong {
  display: block;
  color: var(--cer-text);
  font-size: 15px;
  line-height: 1.2;
}

.cer-progress-panel small {
  display: block;
  color: rgba(238, 246, 255, 0.68);
  font-size: 12px;
  line-height: 1.35;
}

.cer-progress-panel.is-new-record {
  background: rgba(251, 191, 36, 0.10);
  border-color: rgba(251, 191, 36, 0.24);
}

.cer-progress-panel.is-mission {
  background: rgba(52, 211, 153, 0.10);
  border-color: rgba(52, 211, 153, 0.22);
}

@media (max-width: 560px) {
  .cer-start-progress {
    font-size: 11px;
    margin-bottom: 11px;
  }

  .cer-progress-panel {
    padding: 10px 11px;
  }
}


/* v1.14.0 achievements */
.cer-achievements {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -2px 0 14px;
}

.cer-achievement {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  border-radius: 999px;
  color: rgba(238, 246, 255, 0.88);
  background: rgba(56, 189, 248, 0.09);
  border: 1px solid rgba(56, 189, 248, 0.16);
  font-size: 12px;
  line-height: 1.1;
  font-weight: 800;
}

.cer-achievement.is-gold {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.24);
}

.cer-achievement.is-green {
  background: rgba(52, 211, 153, 0.11);
  border-color: rgba(52, 211, 153, 0.20);
}

.cer-achievement.is-red {
  background: rgba(251, 113, 133, 0.10);
  border-color: rgba(251, 113, 133, 0.18);
}

@media (max-width: 560px) {
  .cer-achievements {
    gap: 6px;
  }

  .cer-achievement {
    padding: 7px 9px;
    font-size: 11px;
  }
}



/* v1.17.0 compact result + share */
.cer-overlay {
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.cer-card {
  max-height: calc(100% - 12px);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.cer-result-details-toggle {
  display: none;
}

.cer-result-details {
  display: block;
}

.cer-result-actions {
  display: grid;
  gap: 10px;
}

.cer-result-actions .cer-button + .cer-button {
  margin-top: 0;
}

[data-cer-result-screen] {
  align-items: flex-start;
  justify-items: center;
  padding-top: max(18px, env(safe-area-inset-top, 0px) + 8px);
  padding-bottom: max(18px, env(safe-area-inset-bottom, 0px) + 8px);
}

[data-cer-result-screen] .cer-card {
  margin: auto 0;
}

@media (max-width: 560px) {
  [data-cer-result-screen] {
    padding: max(12px, env(safe-area-inset-top, 0px) + 6px) 12px max(14px, env(safe-area-inset-bottom, 0px) + 10px);
  }

  [data-cer-result-screen] .cer-card {
    width: min(420px, 100%);
    max-height: none;
    padding: 18px 16px 20px;
    border-radius: 22px;
  }

  [data-cer-result-screen] .cer-logo {
    width: 48px;
    height: 48px;
    margin-bottom: 8px;
    border-radius: 17px;
    font-size: 24px;
  }

  [data-cer-result-screen] .cer-card h3 {
    font-size: clamp(22px, 7.2vw, 34px) !important;
    line-height: 0.96 !important;
    letter-spacing: -0.045em !important;
    margin-bottom: 8px !important;
  }

  [data-cer-result-screen] .cer-card p {
    font-size: 12px;
    line-height: 1.42;
    margin-bottom: 10px !important;
  }

  [data-cer-result-screen] .cer-result-grid {
    gap: 7px;
    margin-bottom: 10px;
  }

  [data-cer-result-screen] .cer-result-grid div {
    padding: 9px 9px 10px;
    border-radius: 14px;
  }

  [data-cer-result-screen] .cer-result-grid span {
    font-size: 10px;
    margin-bottom: 3px;
  }

  [data-cer-result-screen] .cer-result-grid strong {
    font-size: 16px;
    line-height: 1.05;
  }

  [data-cer-result-screen] .cer-mission-result {
    padding: 10px 11px;
    gap: 10px;
    margin-bottom: 10px;
  }

  [data-cer-result-screen] .cer-mission-result > span {
    width: 40px;
    min-width: 40px;
    height: 40px;
    font-size: 20px;
  }

  [data-cer-result-screen] .cer-mission-result strong {
    font-size: 14px;
  }

  [data-cer-result-screen] .cer-mission-result small {
    font-size: 11px;
    line-height: 1.3;
  }

  [data-cer-result-screen] .cer-result-details-toggle {
    display: inline-flex;
    margin: -2px 0 10px;
    min-height: 46px;
    font-size: 14px;
  }

  [data-cer-result-screen] .cer-result-details {
    display: none;
  }

  [data-cer-result-screen].cer-details-open .cer-result-details {
    display: block;
  }

  [data-cer-result-screen] .cer-progress-panel,
  [data-cer-result-screen] .cer-result-tip,
  [data-cer-result-screen] .cer-achievements {
    margin-bottom: 10px;
  }

  [data-cer-result-screen] .cer-progress-panel {
    padding: 10px 11px;
  }

  [data-cer-result-screen] .cer-progress-panel strong {
    font-size: 14px;
  }

  [data-cer-result-screen] .cer-progress-panel small {
    font-size: 11px;
    line-height: 1.3;
  }

  [data-cer-result-screen] .cer-achievements {
    gap: 6px;
  }

  [data-cer-result-screen] .cer-achievement {
    padding: 6px 8px;
    font-size: 10px;
    gap: 6px;
  }

  [data-cer-result-screen] .cer-result-tip {
    font-size: 12px !important;
    line-height: 1.35;
    padding: 9px 10px;
  }

  [data-cer-result-screen] .cer-result-actions {
    gap: 8px;
  }

  [data-cer-result-screen] .cer-result-actions .cer-button {
    min-height: 48px;
  }
}