:root {
  --bg-start: #10162f;
  --bg-end: #1c2556;
  --border: rgba(255, 255, 255, 0.12);
  --text-main: #f8fbff;
  --text-soft: rgba(248, 251, 255, 0.72);
  --shadow-big: 0 20px 50px rgba(5, 10, 30, 0.35);
  --radius-big: 28px;
  --radius-mid: 22px;
  --speed: 220ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(115, 135, 255, 0.22), transparent 32%),
    radial-gradient(circle at top right, rgba(0, 231, 196, 0.16), transparent 28%),
    linear-gradient(160deg, var(--bg-start), var(--bg-end));
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

button {
  font: inherit;
}

.glow {
  position: fixed;
  width: 18rem;
  height: 18rem;
  filter: blur(50px);
  opacity: 0.45;
  pointer-events: none;
  z-index: -1;
}

.glow-left {
  left: -4rem;
  bottom: -3rem;
  background: rgba(255, 95, 128, 0.28);
}

.glow-right {
  top: 2rem;
  right: -4rem;
  background: rgba(58, 209, 255, 0.22);
}

.app {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.top {
  display: grid;
  gap: 18px;
}

.hero-card,
.game-card,
.rules-box {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.06));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-big);
  backdrop-filter: blur(16px);
}

.hero-card {
  border-radius: var(--radius-big);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.small-text,
.score-label,
.pick-title,
.result-text,
.mode-text {
  margin: 0;
}

.small-text,
.score-label {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.64);
}

.hero-card h1,
.game-head h2,
.rules-top h2,
.result-box h3 {
  margin: 0;
}

.hero-card h1 {
  font-size: clamp(1.7rem, 5vw, 2.85rem);
  line-height: 1.04;
}

.score-box {
  flex-shrink: 0;
  min-width: 140px;
  background: rgba(255, 255, 255, 0.92);
  color: #1d295e;
  border-radius: 22px;
  padding: 16px 18px;
  text-align: center;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 8px 24px rgba(4, 15, 38, 0.18);
}

.score-box .score-label {
  color: rgba(24, 35, 80, 0.7);
  display: block;
  margin-bottom: 4px;
}

.score-box > strong {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1;
}

.stats-list {
  margin-top: 12px;
  display: grid;
  gap: 6px;
  text-align: left;
}

.stats-list span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.84rem;
  color: rgba(24, 35, 80, 0.78);
}

.stats-list b {
  font-weight: 700;
}

.stats-list strong {
  font-size: 0.95rem;
  line-height: 1;
}

.tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.mode-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, 1fr);
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
}

.mode-btn,
.outline-btn,
.main-btn,
.icon-btn,
.rules-tab,
.move-btn {
  border: 0;
  cursor: pointer;
  transition:
    transform var(--speed),
    background-color var(--speed),
    color var(--speed),
    box-shadow var(--speed),
    opacity var(--speed);
}

.mode-btn {
  min-width: 118px;
  padding: 12px 18px;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
}

.mode-btn:hover,
.mode-btn:focus-visible,
.outline-btn:hover,
.outline-btn:focus-visible,
.main-btn:hover,
.main-btn:focus-visible,
.icon-btn:hover,
.icon-btn:focus-visible,
.rules-tab:hover,
.rules-tab:focus-visible,
.move-btn:hover,
.move-btn:focus-visible {
  transform: translateY(-2px);
}

.mode-btn.active {
  background: linear-gradient(135deg, #7c92ff, #4fd7ff);
  color: white;
  box-shadow: 0 12px 24px rgba(79, 119, 255, 0.25);
}

.tool-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.outline-btn,
.main-btn {
  padding: 13px 18px;
  border-radius: 16px;
}

.outline-btn {
  background: rgba(255, 255, 255, 0.08);
  color: white;
  border: 1px solid var(--border);
}

.main-btn {
  background: linear-gradient(135deg, #ff6a88, #ff8f53);
  color: white;
  box-shadow: 0 14px 28px rgba(255, 111, 109, 0.28);
}

.game-card {
  border-radius: var(--radius-big);
  margin-top: 10px;
  padding: 22px;
  overflow: hidden;
}

.game-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.game-head h2 {
  margin-top: 6px;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.mode-text {
  max-width: 24rem;
  color: var(--text-soft);
  text-align: right;
}

.choose-view {
  display: grid;
  place-items: center;
}

.board {
  position: relative;
  width: min(100%, 760px);
  margin-inline: auto;
}

.board-easy {
  min-height: 430px;
}

.board-advanced {
  min-height: 560px;
}

.board::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.85;
  pointer-events: none;
}

.board-easy::before {
  width: min(54vw, 330px);
  height: min(46vw, 275px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
  clip-path: polygon(50% 0, 0 100%, 100% 100%);
  filter: drop-shadow(0 0 28px rgba(255, 255, 255, 0.07));
}

.board-advanced::before {
  width: min(64vw, 430px);
  height: min(64vw, 410px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.03));
  clip-path: polygon(50% 0%, 95% 35%, 78% 92%, 22% 92%, 5% 35%);
  filter: drop-shadow(0 0 34px rgba(255, 255, 255, 0.08));
}

.move-wrap {
  position: absolute;
  transform: translate(-50%, -50%);
}

.move-btn {
  --size: clamp(7rem, 16vw, 10rem);
  --ring-color: #61d4ff;
  --ring-shadow: rgba(97, 212, 255, 0.28);

  position: relative;
  width: var(--size);
  height: var(--size);
  padding: 0;
  border-radius: 50%;
  background: transparent;
}

.move-ring,
.move-face,
.loader-spin,
.loader-core {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.move-ring {
  background: linear-gradient(135deg, color-mix(in srgb, var(--ring-color) 80%, white 10%), var(--ring-color));
  box-shadow:
    0 16px 28px var(--ring-shadow),
    inset 0 -14px 0 rgba(0, 0, 0, 0.14);
}

.move-face {
  inset: 14%;
  background: linear-gradient(180deg, #fbfdff, #eef4ff);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: #1f2a56;
  box-shadow:
    inset 0 8px 16px rgba(255, 255, 255, 0.9),
    inset 0 -8px 14px rgba(176, 191, 227, 0.4);
}

.move-emoji {
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  line-height: 1;
}

.move-name {
  font-weight: 800;
  font-size: clamp(0.95rem, 2vw, 1.12rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.move-tag {
  font-size: 0.78rem;
  color: rgba(31, 42, 86, 0.66);
}

.move-btn:hover .move-ring,
.move-btn:focus-visible .move-ring {
  box-shadow:
    0 18px 30px var(--ring-shadow),
    0 0 0 16px color-mix(in srgb, var(--ring-color) 15%, transparent),
    inset 0 -14px 0 rgba(0, 0, 0, 0.14);
}

.move-btn:focus-visible,
.mode-btn:focus-visible,
.outline-btn:focus-visible,
.main-btn:focus-visible,
.icon-btn:focus-visible,
.rules-tab:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.48);
  outline-offset: 4px;
}

[data-move="rock"] {
  --ring-color: #ff7b63;
  --ring-shadow: rgba(255, 122, 99, 0.34);
}

[data-move="paper"] {
  --ring-color: #61d4ff;
  --ring-shadow: rgba(97, 212, 255, 0.32);
}

[data-move="scissors"] {
  --ring-color: #ffcf5d;
  --ring-shadow: rgba(255, 207, 93, 0.34);
}

[data-move="lizard"] {
  --ring-color: #a374ff;
  --ring-shadow: rgba(163, 116, 255, 0.33);
}

[data-move="spock"] {
  --ring-color: #42e4b0;
  --ring-shadow: rgba(66, 228, 176, 0.28);
}

.battle-view {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 24px;
  padding-block: 20px 10px;
  min-height: min(68vh, 740px);
}

.pick-box,
.result-box {
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 16px;
}

.pick-title {
  color: rgba(255, 255, 255, 0.82);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  text-align: center;
}

.pick-slot {
  display: grid;
  place-items: center;
  min-height: 220px;
}

.pick-slot .move-btn,
.loader {
  --size: clamp(9rem, 23vw, 13.25rem);
}

.loader {
  position: relative;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.loader-spin {
  inset: 14%;
  border: 6px solid rgba(255, 255, 255, 0.12);
  border-top-color: rgba(255, 255, 255, 0.88);
  border-right-color: rgba(114, 223, 255, 0.9);
  animation: spin 900ms linear infinite;
}

.loader-core {
  inset: 35%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0.08));
  animation: pulse 900ms ease-in-out infinite alternate;
}

.result-box {
  text-align: center;
  transition:
    opacity var(--speed),
    transform var(--speed);
}

.result-box h3 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  text-transform: uppercase;
}

.result-text {
  color: var(--text-soft);
  max-width: 18rem;
  line-height: 1.6;
}

.winner-glow {
  animation: winnerGlow 1.25s ease-in-out infinite alternate;
}

.rules-modal {
  border: 0;
  padding: 0;
  max-width: unset;
  background: transparent;
}

.rules-modal::backdrop {
  background: rgba(7, 11, 28, 0.68);
  backdrop-filter: blur(8px);
}

.rules-box {
  width: min(92vw, 760px);
  border-radius: var(--radius-big);
  padding: 22px;
  color: var(--text-main);
}

.rules-top,
.rules-tabs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.rules-top {
  margin-bottom: 18px;
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.rules-tabs {
  background: rgba(255, 255, 255, 0.06);
  padding: 6px;
  border-radius: 999px;
  width: fit-content;
  margin-bottom: 18px;
}

.rules-tab {
  padding: 10px 18px;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
}

.rules-tab.active {
  background: rgba(255, 255, 255, 0.16);
  color: white;
}

.rules-content {
  display: grid;
  gap: 16px;
}

.rules-image-wrap {
  display: grid;
  place-items: center;
  margin-bottom: 4px;
}

.rules-image {
  width: min(100%, 340px);
  height: auto;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.rules-text {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.7;
}

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

.rule-card {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.rule-card strong {
  display: block;
  margin-bottom: 4px;
}

.rule-card span {
  color: var(--text-soft);
}

.hidden {
  display: none !important;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  from {
    transform: scale(0.88);
    opacity: 0.7;
  }
  to {
    transform: scale(1.05);
    opacity: 1;
  }
}

@keyframes winnerGlow {
  from {
    filter: drop-shadow(0 0 0 rgba(255, 255, 255, 0));
    transform: scale(1);
  }
  to {
    filter: drop-shadow(0 0 22px rgba(255, 255, 255, 0.32));
    transform: scale(1.02);
  }
}

@media (max-width: 900px) {
  .battle-view {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "player house"
      "result result";
    gap: 22px 14px;
    min-height: auto;
  }

  .battle-view .pick-box:first-child {
    grid-area: player;
  }

  .battle-view .pick-box:last-child {
    grid-area: house;
  }

  .result-box {
    grid-area: result;
  }
}

@media (max-width: 720px) {
  .app {
    padding-inline: 12px;
  }

  .hero-card {
    flex-direction: column;
    align-items: stretch;
  }

  .score-box {
    min-width: 100%;
  }

  .tools {
    align-items: stretch;
  }

  .mode-switch,
  .tool-buttons,
  .tool-buttons .outline-btn {
    width: 100%;
  }

  .mode-btn {
    min-width: 0;
  }

  .game-card,
  .rules-box {
    padding: 18px;
  }

  .game-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .mode-text {
    max-width: none;
    text-align: left;
  }

  .board-easy {
    min-height: 390px;
  }

  .board-advanced {
    min-height: 500px;
  }
}

@media (max-width: 560px) {
  .battle-view {
    grid-template-columns: 1fr;
    grid-template-areas:
      "player"
      "house"
      "result";
    gap: 18px;
    min-height: auto;
  }

  .hero-card {
    padding: 18px;
  }

  .tools {
    gap: 10px;
  }

  .board {
    width: 100%;
  }

  .board-easy {
    min-height: 320px;
  }

  .board-easy::before {
    width: min(58vw, 240px);
    height: min(50vw, 200px);
  }

  .board-advanced {
    min-height: 400px;
  }

  .board-advanced::before {
    width: min(72vw, 290px);
    height: min(72vw, 280px);
  }

  .move-btn {
    --size: clamp(6.2rem, 24vw, 8rem);
  }

  .pick-slot .move-btn,
  .loader {
    --size: clamp(7.2rem, 33vw, 9.5rem);
  }

  .move-face {
    inset: 13%;
  }

  .move-name {
    font-size: 0.92rem;
  }

  .move-tag {
    font-size: 0.72rem;
  }

  .rules-list {
    grid-template-columns: 1fr;
  }

  .pick-title {
    font-size: 0.75rem;
  }
}

@media (max-width: 400px) {
  .app {
    padding-inline: 10px;
  }

  .game-card,
  .rules-box,
  .hero-card {
    padding: 16px;
    border-radius: 22px;
  }

  .board-easy {
    min-height: 290px;
  }

  .board-advanced {
    min-height: 360px;
  }

  .move-btn {
    --size: 5.9rem;
  }

  .pick-slot .move-btn,
  .loader {
    --size: 6.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}