:root {
  --bg: #071021;
  --bg2: #30124f;
  --card: rgba(255, 255, 255, 0.09);
  --text: #f4f9ff;
  --muted: #b6c6db;
  --ink: #121212;
  --accent: #28f1ff;
  --accent2: #ff5b94;
  --good: #6ef7b0;
  --warn: #ffe37b;
  --bad: #ff6876;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at 8% 10%, #2d59d8 0%, transparent 30%),
    radial-gradient(circle at 90% 0%, #9a31db 0%, transparent 36%),
    linear-gradient(130deg, var(--bg), var(--bg2));
}

.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.33;
  background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: soft-light;
}

.app {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 16px;
}

header h1 {
  margin: 0;
  font-family: "Bangers", cursive;
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(40,241,255,0.55);
}

.kicker {
  margin: 0;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
}

.card {
  border: 1px solid rgba(255,255,255,0.19);
  background: var(--card);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 32px rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
}

.controls label {
  font-weight: 700;
}

.control-row {
  margin-top: 8px;
  display: flex;
  gap: 10px;
  align-items: stretch;
}

input, button {
  font: inherit;
  border: none;
  border-radius: 12px;
}

input {
  flex: 1;
  min-width: 170px;
  padding: 12px;
  color: var(--text);
  background: rgba(255,255,255,0.11);
}

button {
  padding: 12px 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, filter .2s ease;
}

button:hover { transform: translateY(-1px); filter: brightness(1.06); }
button:active { transform: translateY(1px) scale(.98); }

#startBtn {
  background: linear-gradient(115deg, var(--accent), #98f7ff);
  color: #00131f;
}

.ghost {
  color: var(--text);
  background: rgba(255,255,255,0.13);
}

#muteBtn.muted {
  background: linear-gradient(120deg, #ffd778, #ff8d6d);
  color: #341900;
}

.difficulty-panel {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}

.difficulty-main {
  min-width: 220px;
}

.label {
  display: block;
  color: var(--muted);
  font-size: .86rem;
}

#difficultyName {
  display: block;
  margin-top: 2px;
  font-size: 1.4rem;
  font-family: "Bangers", cursive;
  letter-spacing: 1px;
}

#difficultyName.pulse-glow {
  animation: glowPop .45s ease;
}

@keyframes glowPop {
  0% { transform: scale(1); text-shadow: 0 0 0 rgba(255,255,255,0); }
  50% { transform: scale(1.08); text-shadow: 0 0 18px rgba(40,241,255,0.85); }
  100% { transform: scale(1); text-shadow: 0 0 0 rgba(255,255,255,0); }
}

.small {
  color: var(--muted);
  font-size: .9rem;
}

.difficulty-slider-wrap {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.2);
  background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}

.difficulty-slider-wrap::before,
.difficulty-slider-wrap::after {
  content: "";
  width: 30px;
  height: 2px;
  border-radius: 99px;
  background: rgba(255,255,255,0.35);
}

.vertical-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 250px;
  writing-mode: vertical-lr;
  direction: rtl;
  border: none;
  padding: 0;
  background: transparent;
  cursor: pointer;
  --slider-progress: 50%;
  --slider-color: #ff5a00;
}

.vertical-slider::-webkit-slider-runnable-track {
  width: 8px;
  height: 100%;
  border-radius: 999px;
  background:
    linear-gradient(#ff2a2a, #ff2a2a) top / 100% calc(100% - var(--slider-progress)) no-repeat,
    linear-gradient(to top, #1f52ff 0%, #1ec8ff 24%, #1ede57 48%, #f0e935 72%, #ff9100 90%, #ff2a2a 100%) bottom / 100% var(--slider-progress) no-repeat,
    #1f52ff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45), 0 0 8px color-mix(in srgb, var(--slider-color) 40%, transparent);
}

.vertical-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 16px;
  margin-left: -10px;
  border-radius: 2px;
  border: 1px solid #bcbcbc;
  background: linear-gradient(180deg, #d7d7d7, #bfbfbf);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.vertical-slider::-moz-range-track {
  width: 8px;
  height: 100%;
  border-radius: 999px;
  background:
    linear-gradient(#ff2a2a, #ff2a2a) top / 100% calc(100% - var(--slider-progress)) no-repeat,
    linear-gradient(to top, #1f52ff 0%, #1ec8ff 24%, #1ede57 48%, #f0e935 72%, #ff9100 90%, #ff2a2a 100%) bottom / 100% var(--slider-progress) no-repeat,
    #1f52ff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45), 0 0 8px color-mix(in srgb, var(--slider-color) 40%, transparent);
}

.vertical-slider::-moz-range-thumb {
  width: 28px;
  height: 16px;
  border-radius: 2px;
  border: 1px solid #bcbcbc;
  background: linear-gradient(180deg, #d7d7d7, #bfbfbf);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.rules {
  margin: 10px 0 0;
  color: var(--muted);
}

.status-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.status-row strong {
  font-size: 1.12rem;
}

.cancel-game-btn {
  margin: -4px 0 10px auto;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(6, 13, 33, 0.32);
  color: rgba(244, 249, 255, 0.75);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

.cancel-game-btn:hover {
  transform: none;
  filter: none;
  color: rgba(244, 249, 255, 0.95);
  border-color: rgba(255,255,255,0.4);
}

.cancel-game-btn:active {
  transform: none;
}

.target {
  width: 100%;
  min-height: 340px;
  border: 3px solid rgba(255,255,255,.25);
  border-radius: 20px;
  background: linear-gradient(130deg, #fff2a6, #ffad8d);
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 8px;
  padding: 18px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.target::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,0.22) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: .26;
}

.target.idle {
  background: rgba(255,255,255,0.07);
}

.target.wait {
  background: linear-gradient(130deg, #fff7b6, var(--warn));
}

.target.go {
  background: linear-gradient(130deg, #d8ff8f, #7effc0);
  box-shadow: 0 0 28px rgba(126,255,192,0.65);
  animation: pulse .5s ease infinite alternate;
}

.target.done {
  background: linear-gradient(130deg, #96d7ff, #2de2e6);
}

.target.bad {
  background: linear-gradient(130deg, #ffcfd5, var(--bad));
}

.target-image {
  width: min(45vw, 230px);
  max-height: 220px;
  object-fit: contain;
  image-rendering: auto;
  filter: drop-shadow(0 8px 14px rgba(0,0,0,.35));
  z-index: 1;
}

.target-name {
  z-index: 1;
  font-family: "Bangers", cursive;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  letter-spacing: 1px;
  color: #143100;
  text-shadow: 2px 2px 0 rgba(255,255,255,.45);
}

.target-prompt {
  z-index: 1;
  font-weight: 700;
  font-size: 1rem;
  color: #2d1900;
}

.target.wait .target-name,
.target.wait .target-prompt {
  color: #4a2c00;
}

.target.idle .target-name,
.target.idle .target-prompt {
  color: #e4edff;
  text-shadow: none;
}

.target.bad .target-name,
.target.bad .target-prompt {
  color: #4c050e;
}

.target.done .target-name,
.target.done .target-prompt {
  color: #03253a;
}

@keyframes pulse {
  from { transform: scale(1); }
  to { transform: scale(1.02); }
}

.speech-bubble {
  margin-top: 12px;
  position: relative;
  max-width: 520px;
  padding: 12px 16px;
  background: #fffef8;
  color: var(--ink);
  border-radius: 24px;
  border: 4px solid var(--ink);
  font-weight: 700;
  box-shadow: 5px 5px 0 var(--ink);
  transform: rotate(-1deg);
}

.speech-bubble::after {
  content: "";
  position: absolute;
  bottom: -18px;
  left: 34px;
  border-width: 18px 14px 0 10px;
  border-style: solid;
  border-color: #fffef8 transparent transparent transparent;
  filter: drop-shadow(-2px 2px 0 var(--ink));
}

.pow-fx {
  margin-top: 8px;
  font-family: "Bangers", cursive;
  font-size: clamp(2rem, 6vw, 3.3rem);
  letter-spacing: 2px;
  color: #fff248;
  text-shadow: 3px 3px 0 #ff3c57, -3px -3px 0 #2e0f62;
  animation: slam .35s ease-out;
}

@keyframes slam {
  from { transform: scale(2.2) rotate(-8deg); opacity: 0; }
  to { transform: scale(1) rotate(0); opacity: 1; }
}

.message {
  margin: 12px 0 0;
  min-height: 24px;
  color: var(--muted);
}

.kill-board-wrap {
  margin-top: 14px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.28);
  background: linear-gradient(180deg, rgba(32,56,122,0.35), rgba(89,31,115,0.2));
  box-shadow: 0 8px 18px rgba(0,0,0,0.22), inset 0 0 0 1px rgba(255,255,255,0.07);
  transition: max-height .35s ease, opacity .3s ease, margin-top .35s ease, padding .35s ease;
  max-height: 260px;
  opacity: 1;
}

.kill-board-wrap.board-collapsed {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-width: 0;
  overflow: hidden;
  pointer-events: none;
}

.kill-board-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.kill-board-head h3 {
  margin: 0;
  font-family: "Bangers", cursive;
  letter-spacing: 1px;
  font-size: 1.2rem;
}

.kill-board {
  margin-top: 8px;
  min-height: 86px;
  padding: 6px;
  border-radius: 10px;
  border: 1px dashed rgba(255,255,255,0.35);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  overflow: visible;
  background: rgba(4, 11, 33, 0.22);
}

.kill-thumb {
  width: 62px;
  height: 62px;
  padding: 0;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,0.55);
  background:
    linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25% 50%, rgba(255,255,255,0.1) 50% 75%, transparent 75%),
    linear-gradient(135deg, rgba(23,34,71,0.8), rgba(68,30,98,0.72));
  background-size: 8px 8px, auto;
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
  isolation: isolate;
}

.kill-thumb img {
  width: 92%;
  height: 92%;
  object-fit: contain;
  image-rendering: auto;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.kill-thumb-fallback {
  font-family: "Bangers", cursive;
  font-size: 1.2rem;
  color: #ffe985;
}

.kill-thumb.locked {
  opacity: .68;
  filter: grayscale(0.2);
  cursor: not-allowed;
}

.kill-thumb.unlocked {
  cursor: pointer;
}

.kill-thumb.previewing {
  animation: killPeek 2s ease-in-out;
  z-index: 5;
}

@keyframes killPeek {
  0% { transform: scale(1); }
  25% { transform: scale(2.2) translateY(-10px); box-shadow: 0 10px 22px rgba(0,0,0,0.45); }
  75% { transform: scale(2.2) translateY(-10px); box-shadow: 0 10px 22px rgba(0,0,0,0.45); }
  100% { transform: scale(1); }
}

.kill-board-empty {
  color: var(--muted);
  font-size: .9rem;
}

.hidden {
  display: none;
}

.board-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

h2 {
  margin: 0;
  font-family: "Bangers", cursive;
  font-size: 1.45rem;
  letter-spacing: 1px;
}

ol {
  margin: 10px 0 0;
  padding-left: 22px;
}

li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(255,255,255,.15);
}

.mode-pill,
.mute-pill {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.mode-pill {
  background: rgba(45,226,230,.24);
  color: #8ff4ff;
}

.mute-pill {
  background: rgba(255,215,120,.24);
  color: #ffd778;
}

.share-footer {
  display: flex;
  justify-content: center;
  padding: 4px 0 14px;
}

.share-btn {
  min-width: min(460px, 100%);
  border-radius: 14px;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,.28);
  color: #ecfff3;
  background: linear-gradient(120deg, #18a34a, #25d366);
  box-shadow: 0 10px 24px rgba(8, 38, 22, 0.35);
  font-size: 1rem;
  letter-spacing: .01em;
}

@media (max-width: 860px) {
  .difficulty-panel {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .difficulty-slider-wrap {
    justify-items: start;
    width: 100%;
    padding: 8px 10px;
  }

  .vertical-slider {
    width: min(70vw, 320px);
    height: 18px;
    writing-mode: horizontal-tb;
    direction: ltr;
  }

  .vertical-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    background:
      linear-gradient(#ff2a2a, #ff2a2a) right / calc(100% - var(--slider-progress)) 100% no-repeat,
      linear-gradient(90deg, #1f52ff 0%, #1ec8ff 24%, #1ede57 48%, #f0e935 72%, #ff9100 90%, #ff2a2a 100%) left / var(--slider-progress) 100% no-repeat,
      #1f52ff;
  }

  .vertical-slider::-moz-range-track {
    width: 100%;
    height: 8px;
    background:
      linear-gradient(#ff2a2a, #ff2a2a) right / calc(100% - var(--slider-progress)) 100% no-repeat,
      linear-gradient(90deg, #1f52ff 0%, #1ec8ff 24%, #1ede57 48%, #f0e935 72%, #ff9100 90%, #ff2a2a 100%) left / var(--slider-progress) 100% no-repeat,
      #1f52ff;
  }
}

@media (max-width: 720px) {
  .control-row {
    flex-direction: column;
  }

  .status-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: auto auto;
    row-gap: 4px;
    column-gap: 10px;
  }

  .status-row > div {
    display: contents;
  }

  .status-row > div:nth-child(1) .label,
  .status-row > div:nth-child(1) strong {
    grid-column: 1;
  }

  .status-row > div:nth-child(2) .label,
  .status-row > div:nth-child(2) strong {
    grid-column: 2;
  }

  .status-row > div:nth-child(3) .label,
  .status-row > div:nth-child(3) strong {
    grid-column: 3;
  }

  .status-row .label {
    grid-row: 1;
    text-align: center;
    margin: 0;
  }

  .status-row strong {
    grid-row: 2;
    text-align: center;
    font-size: 1.05rem;
  }

  .target {
    min-height: 290px;
  }

  .target-image {
    width: min(60vw, 220px);
    max-height: 180px;
  }
}