:root {
  --bg: #050507;
  --panel: rgba(14, 15, 20, 0.78);
  --panel-strong: rgba(23, 24, 31, 0.92);
  --red: #ff2038;
  --red-dark: #8f0f20;
  --gold: #ffca45;
  --cyan: #2de7ff;
  --text: #f7f7fb;
  --muted: #9da1b3;
  --speed: 1.4s;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 32, 56, 0.24), transparent 31rem),
    radial-gradient(circle at 78% 80%, rgba(45, 231, 255, 0.13), transparent 24rem),
    linear-gradient(135deg, #050507 0%, #101015 48%, #09090d 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 47%, rgba(255, 32, 56, 0.13) 48% 50%, transparent 51%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 36px);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
}

button,
a {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.arena {
  min-height: 100vh;
  padding: 18px clamp(14px, 3vw, 42px) 28px;
  position: relative;
}

.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto 18px;
  max-width: 1320px;
}

.brand {
  align-items: center;
  display: flex;
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-mark {
  background: linear-gradient(135deg, var(--red), var(--gold));
  color: #07070a;
  display: inline-grid;
  font-size: 14px;
  height: 36px;
  place-items: center;
  width: 46px;
  transform: skewX(-13deg);
}

.top-actions {
  display: flex;
  gap: 10px;
}

.icon-button {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  color: var(--text);
  display: inline-flex;
  height: 42px;
  justify-content: center;
  min-width: 42px;
  padding: 0 12px;
}

.icon-button:hover {
  border-color: rgba(255, 32, 56, 0.75);
  box-shadow: 0 0 22px rgba(255, 32, 56, 0.24);
}

.name-button {
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0;
}

.layout {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr) 390px;
  margin: 0 auto;
  max-width: 1320px;
}

.hero-panel,
.side-panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
  overflow: hidden;
}

.hero-panel {
  min-height: calc(100vh - 94px);
  padding: clamp(16px, 2.4vw, 30px);
  position: relative;
}

.hero-panel::before {
  content: "";
  inset: -20% -40% auto auto;
  height: 58%;
  position: absolute;
  transform: rotate(-16deg);
  width: 82%;
  background: linear-gradient(90deg, transparent, rgba(255, 32, 56, 0.22), transparent);
}

.score-strip {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr 1fr;
  position: relative;
  z-index: 2;
}

.score-block {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-height: 104px;
  padding: 18px;
}

.score-block.primary {
  border-color: rgba(255, 32, 56, 0.46);
  box-shadow: inset 0 0 34px rgba(255, 32, 56, 0.14);
}

.score-label,
.metric span,
.rpm-readout span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  font-weight: 700;
}

.score-block strong {
  display: block;
  font-size: clamp(31px, 4vw, 58px);
  font-weight: 950;
  line-height: 1.1;
  margin-top: 8px;
  text-shadow: 0 0 22px rgba(255, 32, 56, 0.34);
}

.stage {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(10px, 1.8vh, 18px);
  min-height: clamp(360px, 50vh, 560px);
  position: relative;
  z-index: 1;
}

.stage::before {
  border: 1px solid rgba(255, 255, 255, 0.08);
  content: "";
  height: min(56vw, 520px);
  position: absolute;
  transform: perspective(800px) rotateX(66deg);
  width: min(56vw, 520px);
  background:
    radial-gradient(circle, rgba(255, 32, 56, 0.16), transparent 55%),
    repeating-conic-gradient(from 4deg, rgba(255, 255, 255, 0.08) 0 4deg, transparent 4deg 14deg);
  clip-path: polygon(50% 0, 100% 26%, 100% 74%, 50% 100%, 0 74%, 0 26%);
}

.top-wrap {
  flex: 0 0 auto;
  height: clamp(280px, 34vw, 430px);
  position: relative;
  width: clamp(280px, 34vw, 430px);
}

.spinner-canvas {
  height: 126%;
  left: -13%;
  pointer-events: none;
  position: absolute;
  top: -13%;
  width: 126%;
  z-index: 2;
}

.top3d-canvas {
  height: 112%;
  left: -6%;
  pointer-events: none;
  position: absolute;
  top: -7%;
  width: 112%;
  z-index: 4;
}

.top-art {
  display: none;
  height: 100%;
  left: 0;
  pointer-events: none;
  position: absolute;
  top: 0;
  transform: perspective(900px) rotateX(0deg) rotateY(0deg) translateZ(0);
  transform-origin: 50% 56%;
  transform-style: preserve-3d;
  width: 100%;
  z-index: 4;
}

.top-art-depth,
.top-art-back {
  background:
    linear-gradient(120deg, rgba(255, 50, 26, 0.52), rgba(92, 5, 3, 0.92)),
    #7b0a06;
  clip-path: polygon(50% 4%, 87% 24%, 87% 52%, 55% 96%, 50% 94%, 45% 96%, 11% 52%, 11% 24%);
  inset: 0;
  opacity: 0.92;
  position: absolute;
  transform-origin: 50% 56%;
  transform-style: preserve-3d;
}

.top-art-back {
  background:
    linear-gradient(110deg, #4b0403, #951006 55%, #240101),
    #5a0503;
  filter: brightness(0.72);
  transform: translateZ(-42px) rotateY(180deg);
}

.depth-1 {
  filter: brightness(0.54);
  transform: translateZ(-35px);
}

.depth-2 {
  filter: brightness(0.62);
  transform: translateZ(-27px);
}

.depth-3 {
  filter: brightness(0.72);
  transform: translateZ(-19px);
}

.depth-4 {
  filter: brightness(0.82);
  transform: translateZ(-11px);
}

.depth-5 {
  filter: brightness(0.92);
  transform: translateZ(-4px);
}

.top-art::before,
.top-art::after {
  backface-visibility: hidden;
  content: "";
  inset: 7% 9% 2%;
  pointer-events: none;
  position: absolute;
  transform: translateZ(14px);
  z-index: 5;
}

.top-art::before {
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, var(--turn-shadow-left, 0.12)),
    transparent 38%,
    rgba(255, 91, 45, var(--turn-highlight, 0.18)) 50%,
    transparent 62%,
    rgba(0, 0, 0, var(--turn-shadow-right, 0.08))
  );
  clip-path: polygon(50% 0, 93% 20%, 93% 49%, 57% 98%, 50% 96%, 43% 98%, 7% 49%, 7% 20%);
  mix-blend-mode: screen;
  opacity: var(--turn-overlay, 0.45);
}

.top-art::after {
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.32), transparent);
  clip-path: polygon(50% 0, 93% 20%, 93% 49%, 57% 98%, 50% 96%, 43% 98%, 7% 49%, 7% 20%);
  opacity: var(--edge-shadow, 0);
}

.top-art svg {
  backface-visibility: hidden;
  display: block;
  filter:
    drop-shadow(-14px 18px 0 rgba(0, 0, 0, 0.24))
    drop-shadow(0 22px 20px rgba(0, 0, 0, 0.46))
    drop-shadow(0 0 14px rgba(255, 31, 18, 0.22));
  height: 100%;
  overflow: visible;
  position: absolute;
  transform: translateZ(10px);
  shape-rendering: geometricPrecision;
  width: 100%;
}

.top-art-model {
  transform-origin: 180px 214px;
}

.top-back-shadow {
  fill: rgba(0, 0, 0, 0.24);
  transform: translate(-22px, 28px);
}

.top-shell {
  fill: url("#tesRedBody");
}

.top-left-facet {
  fill: rgba(122, 9, 7, 0.12);
}

.top-right-facet {
  fill: rgba(255, 67, 32, 0.1);
}

.top-mid-band {
  fill: rgba(115, 8, 5, 0.1);
}

.top-lower {
  fill: url("#tesLower");
}

.top-hotspot {
  fill: url("#tesHighlight");
}

.logo-brow-svg,
.logo-stem-svg {
  fill: url("#tesGroove");
  filter: drop-shadow(0 4px 1px rgba(255, 71, 36, 0.16));
  opacity: var(--logo-opacity, 1);
}

.logo-brow-shine {
  fill: rgba(255, 91, 52, 0.16);
  opacity: var(--logo-opacity, 1);
}

.logo-stem-cut {
  fill: rgba(0, 0, 0, 0.34);
  opacity: var(--logo-opacity, 1);
}

.tip-svg {
  fill: #140101;
  stroke: rgba(255, 96, 52, 0.22);
  stroke-width: 2;
}

.rim-light {
  fill: none;
  opacity: 0.28;
  stroke: rgba(255, 113, 68, 0.75);
  stroke-linecap: round;
  stroke-width: 3;
}

.top-shadow {
  background:
    radial-gradient(ellipse, rgba(255, 202, 69, 0.22), transparent 18%),
    radial-gradient(ellipse, rgba(255, 32, 56, 0.46), rgba(0, 0, 0, 0.48) 42%, transparent 73%);
  bottom: 5%;
  filter: blur(10px);
  height: 26%;
  left: 10%;
  position: absolute;
  transform: perspective(500px) rotateX(68deg);
  width: 80%;
}

.beyblade {
  animation: spin var(--speed) linear infinite;
  display: none;
  height: 94%;
  left: 17%;
  position: absolute;
  top: 0;
  transform-origin: 50% 58%;
  transform-style: preserve-3d;
  width: 66%;
}

.tes-cap,
.cap-hotspot,
.tes-body,
.body-shine,
.logo-brow,
.logo-notch,
.logo-stem,
.logo-stem-edge,
.tes-bottom,
.bottom-ridge,
.tes-tip,
.spin-glint,
.spark {
  position: absolute;
}

.tes-spinner {
  filter:
    drop-shadow(0 24px 28px rgba(0, 0, 0, 0.65))
    drop-shadow(0 0 34px rgba(255, 32, 56, 0.28));
}

.tes-cap {
  background:
    radial-gradient(circle at 52% 58%, rgba(255, 92, 38, 0.9), transparent 25%),
    linear-gradient(118deg, #9d1409 0%, #ff371f 44%, #e72012 63%, #7b0c08 100%);
  clip-path: polygon(50% 0, 100% 58%, 100% 100%, 0 100%, 0 58%);
  height: 37%;
  left: 0;
  overflow: hidden;
  top: 0;
  width: 100%;
  z-index: 4;
}

.tes-cap::before,
.tes-cap::after {
  content: "";
  position: absolute;
}

.tes-cap::before {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.16), transparent 38%, rgba(0, 0, 0, 0.2));
  inset: 2% 0 0;
}

.tes-cap::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.42), transparent);
  bottom: 0;
  height: 2px;
  left: 5%;
  opacity: 0.72;
  width: 90%;
}

.cap-hotspot {
  background: radial-gradient(circle, rgba(255, 101, 47, 0.85), transparent 68%);
  height: 52%;
  left: 32%;
  top: 24%;
  width: 46%;
}

.tes-body {
  background:
    linear-gradient(90deg, #6f0805 0%, #b81609 16%, #e72a13 47%, #a31108 78%, #510603 100%),
    radial-gradient(ellipse at 50% 8%, rgba(255, 255, 255, 0.18), transparent 40%);
  border-radius: 9px 9px 13px 13px / 36px 36px 20px 20px;
  box-shadow:
    inset 18px 0 26px rgba(0, 0, 0, 0.34),
    inset -18px 0 34px rgba(0, 0, 0, 0.43),
    inset 0 12px 16px rgba(255, 111, 61, 0.22),
    inset 0 -22px 26px rgba(0, 0, 0, 0.44);
  height: 30%;
  left: 0;
  overflow: hidden;
  top: 34%;
  width: 100%;
  z-index: 5;
}

.tes-body::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  content: "";
  height: 2px;
  left: 5%;
  position: absolute;
  top: 11%;
  width: 90%;
}

.tes-body::after {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.45));
  bottom: 0;
  content: "";
  height: 38%;
  left: 0;
  position: absolute;
  width: 100%;
}

.body-shine {
  background: linear-gradient(90deg, transparent, rgba(255, 114, 72, 0.45), transparent);
  height: 100%;
  left: 35%;
  opacity: 0.78;
  top: 0;
  width: 28%;
}

.logo-brow {
  background: linear-gradient(180deg, #040303, #541006);
  box-shadow:
    inset 0 4px 5px rgba(0, 0, 0, 0.85),
    0 2px 2px rgba(255, 91, 43, 0.22);
  clip-path: polygon(0 0, 100% 0, 87% 42%, 56% 42%, 50% 66%, 44% 42%, 13% 42%);
  height: 24%;
  left: 19%;
  top: 25%;
  width: 62%;
  z-index: 4;
}

.logo-notch {
  background: linear-gradient(180deg, #210704, #6c1208);
  clip-path: polygon(0 0, 50% 100%, 100% 0);
  height: 10%;
  left: 45.5%;
  top: 43%;
  width: 9%;
  z-index: 5;
}

.logo-stem {
  background: linear-gradient(90deg, #150302, #4f0d06 45%, #0b0201 100%);
  box-shadow:
    inset 5px 0 5px rgba(0, 0, 0, 0.76),
    inset -3px 0 6px rgba(255, 86, 40, 0.16);
  clip-path: polygon(33% 0, 50% 10%, 67% 0, 67% 100%, 33% 100%);
  height: 54%;
  left: 42.8%;
  top: 48%;
  width: 14.4%;
  z-index: 4;
}

.logo-stem-edge {
  background: rgba(255, 93, 43, 0.18);
  height: 48%;
  left: 51%;
  top: 52%;
  width: 2px;
  z-index: 5;
}

.tes-bottom {
  background:
    linear-gradient(90deg, #2b0503 0%, #5f0905 22%, #8e1208 50%, #3d0604 78%, #170202 100%);
  clip-path: polygon(0 0, 100% 0, 55% 100%, 45% 100%);
  height: 39%;
  left: 0;
  overflow: hidden;
  top: 60%;
  width: 100%;
  z-index: 3;
}

.tes-bottom::before,
.tes-bottom::after {
  content: "";
  position: absolute;
}

.tes-bottom::before {
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.28), transparent 46%, rgba(255, 91, 43, 0.08));
  inset: 0;
}

.tes-bottom::after {
  background: linear-gradient(90deg, transparent, rgba(255, 72, 37, 0.18), transparent);
  height: 100%;
  left: 45%;
  top: 0;
  width: 12%;
}

.bottom-ridge {
  background: rgba(23, 3, 2, 0.65);
  height: 100%;
  left: 47.8%;
  top: 0;
  width: 4.4%;
}

.tes-tip {
  background: linear-gradient(90deg, #360604, #8c1a0c 52%, #240302);
  border-radius: 0 0 44% 44%;
  bottom: -2%;
  height: 8%;
  left: 41%;
  width: 18%;
  z-index: 2;
}

.tes-tip::after {
  background: #270402;
  border-radius: 50%;
  bottom: -12%;
  content: "";
  height: 34%;
  left: 9%;
  position: absolute;
  width: 82%;
}

.spin-glint {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.32), transparent);
  height: 88%;
  left: 46%;
  opacity: 0.35;
  top: 7%;
  transform: skewX(-16deg);
  width: 8%;
  z-index: 6;
}

.spark {
  background: var(--gold);
  border-radius: 999px;
  box-shadow: 0 0 18px var(--gold);
  height: 4px;
  opacity: 0;
  width: 48px;
}

.spark-one {
  right: -22%;
  top: 34%;
}

.spark-two {
  left: -18%;
  top: 58%;
  transform: rotate(24deg);
}

.spark-three {
  right: 10%;
  top: -9%;
  transform: rotate(-38deg);
}

.flame-ring {
  display: none;
  border-radius: 50%;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  background: conic-gradient(from 0deg, transparent, rgba(255, 202, 69, 0.88), var(--red), transparent, rgba(45, 231, 255, 0.54), transparent);
  filter: blur(9px);
  transform: scale(1.08);
}

.rpm-readout {
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-width: 180px;
  padding: 10px 18px 12px;
  position: relative;
  text-align: center;
  transform: none;
  z-index: 5;
}

.rpm-readout strong {
  color: var(--cyan);
  display: block;
  font-size: clamp(30px, 4.1vw, 58px);
  font-weight: 950;
  line-height: 0.95;
}

.combo-badge {
  background: linear-gradient(135deg, rgba(255, 32, 56, 0.9), rgba(20, 20, 26, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.18);
  left: clamp(10px, 3vw, 42px);
  opacity: 0;
  padding: 12px 16px;
  position: absolute;
  top: clamp(10px, 3vw, 42px);
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 3;
}

.combo-badge.visible {
  opacity: 1;
  transform: translateY(0);
}

.combo-badge span {
  color: #161616;
  display: block;
  font-size: 12px;
  font-weight: 950;
}

.combo-badge strong {
  display: block;
  font-size: 48px;
  font-weight: 950;
  line-height: 0.9;
}

.controls {
  display: grid;
  gap: 10px;
  justify-items: center;
  position: relative;
  z-index: 2;
}

.pull-button {
  background: linear-gradient(135deg, var(--red), #ff4c24 48%, var(--gold));
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow:
    0 14px 36px rgba(255, 32, 56, 0.35),
    inset 0 2px 0 rgba(255, 255, 255, 0.38);
  color: #09090d;
  font-size: clamp(24px, 4vw, 46px);
  font-weight: 950;
  min-height: 86px;
  min-width: min(100%, 430px);
  overflow: hidden;
  padding: 18px 36px;
  position: relative;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.3);
}

.pull-button:hover {
  transform: translateY(-2px);
}

.pull-button:active {
  transform: translateY(2px) scale(0.99);
}

.button-glow {
  animation: sweep 1.9s linear infinite;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  height: 100%;
  left: -60%;
  position: absolute;
  top: 0;
  transform: skewX(-20deg);
  width: 42%;
}

.chant {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 8px;
}

.side-panel {
  align-self: start;
  display: grid;
  gap: 18px;
  padding: 18px;
}

.metric-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
}

.metric {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 15px;
}

.metric.wide {
  grid-column: 1 / -1;
}

.metric strong {
  display: block;
  font-size: 32px;
  font-weight: 950;
  margin-top: 4px;
}

.rank-section,
.achievement-section {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  padding: 16px;
}

.section-title {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  margin-bottom: 14px;
}

.section-title.compact {
  margin-bottom: 10px;
}

.section-title h2 {
  font-size: 18px;
  margin: 0;
}

.tabs {
  background: rgba(0, 0, 0, 0.26);
  display: flex;
  padding: 3px;
}

.tab {
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  min-height: 30px;
  padding: 0 10px;
}

.tab.active {
  background: var(--red);
  color: #fff;
}

.leaderboard {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.leaderboard li {
  align-items: center;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 10px;
  grid-template-columns: 34px 1fr auto;
  min-height: 50px;
  padding: 8px 10px;
}

.rank-number {
  color: var(--gold);
  font-weight: 950;
}

.rank-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-score {
  color: var(--cyan);
  font-weight: 900;
}

.achievements {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.achievements li {
  align-items: center;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  min-height: 46px;
  padding: 9px 10px;
}

.achievements li.unlocked {
  border-color: rgba(255, 202, 69, 0.48);
  color: var(--text);
  box-shadow: inset 0 0 22px rgba(255, 202, 69, 0.1);
}

.toast-stack {
  display: grid;
  gap: 10px;
  pointer-events: none;
  position: fixed;
  right: 18px;
  top: 76px;
  z-index: 20;
}

.toast {
  animation: toastIn 2.8s ease forwards;
  background: rgba(15, 16, 21, 0.94);
  border: 1px solid rgba(255, 202, 69, 0.45);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.35);
  color: var(--text);
  font-weight: 900;
  padding: 13px 16px;
}

.float-plus {
  animation: floatUp 820ms ease-out forwards;
  color: var(--gold);
  font-size: 26px;
  font-weight: 950;
  left: 50%;
  pointer-events: none;
  position: fixed;
  text-shadow: 0 0 18px rgba(255, 202, 69, 0.75);
  top: 50%;
  z-index: 9;
}

.share-dialog,
.name-dialog {
  background: #111219;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text);
  max-width: min(92vw, 430px);
  padding: 16px;
}

.share-dialog::backdrop,
.name-dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
}

.share-head {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.share-head h2 {
  font-size: 20px;
  margin: 0;
}

#shareCanvas {
  background: #050507;
  display: block;
  max-width: 100%;
}

.download-link {
  background: var(--red);
  color: #fff;
  display: block;
  font-weight: 900;
  margin-top: 12px;
  padding: 13px 16px;
  text-align: center;
  text-decoration: none;
}

.name-form {
  display: grid;
  gap: 14px;
  min-width: min(78vw, 340px);
}

.name-field {
  display: grid;
  gap: 8px;
}

.name-field span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.name-field input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
  font: inherit;
  font-size: 18px;
  font-weight: 900;
  outline: none;
  padding: 13px 14px;
}

.name-field input:focus {
  border-color: rgba(255, 32, 56, 0.86);
  box-shadow: 0 0 0 3px rgba(255, 32, 56, 0.16);
}

.name-save {
  border: 0;
  cursor: pointer;
}

.shake {
  animation: shake 190ms linear;
}

.fire-mode .flame-ring {
  animation: flameSpin 520ms linear infinite;
  opacity: 0.92;
}

.fire-mode .spark {
  animation: sparkFly 560ms ease-out infinite;
  opacity: 1;
}

.gold-mode .beyblade {
  filter: drop-shadow(0 0 28px rgba(255, 202, 69, 0.85));
}

.storm-mode .stage::after {
  content: none;
}

@keyframes spin {
  0% {
    transform: perspective(900px) rotateX(-3deg) rotateY(0deg) rotateZ(0deg);
  }
  28% {
    transform: perspective(900px) rotateX(-3deg) rotateY(102deg) rotateZ(1.4deg);
  }
  52% {
    transform: perspective(900px) rotateX(-3deg) rotateY(187deg) rotateZ(-1deg);
  }
  76% {
    transform: perspective(900px) rotateX(-3deg) rotateY(274deg) rotateZ(1.2deg);
  }
  100% {
    transform: perspective(900px) rotateX(-3deg) rotateY(360deg) rotateZ(0deg);
  }
}

@keyframes sweep {
  to {
    left: 130%;
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(5px, -3px);
  }
  50% {
    transform: translate(-4px, 4px);
  }
  75% {
    transform: translate(3px, 2px);
  }
}

@keyframes floatUp {
  from {
    opacity: 1;
    transform: translate(-50%, 0) scale(0.9);
  }
  to {
    opacity: 0;
    transform: translate(calc(-50% + var(--drift)), -110px) scale(1.4);
  }
}

@keyframes toastIn {
  0% {
    opacity: 0;
    transform: translateX(18px);
  }
  14%,
  80% {
    opacity: 1;
    transform: translateX(0);
  }
  100% {
    opacity: 0;
    transform: translateX(18px);
  }
}

@keyframes flameSpin {
  to {
    transform: scale(1.08) rotate(360deg);
  }
}

@keyframes sparkFly {
  from {
    opacity: 0;
    transform: scaleX(0.4);
  }
  45% {
    opacity: 1;
  }
  to {
    opacity: 0;
    transform: translateX(45px) scaleX(1.4);
  }
}

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

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: auto;
  }

  .side-panel {
    align-self: auto;
  }
}

@media (max-width: 620px) {
  .arena {
    padding: 12px;
  }

  .score-strip,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .metric.wide {
    grid-column: auto;
  }

  .stage {
    min-height: 390px;
  }

  .section-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .toast-stack {
    left: 12px;
    right: 12px;
    top: 66px;
  }
}