:root {
  color-scheme: dark;
  --bg: #101217;
  --panel: #1a1e27;
  --panel-2: #242a35;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f6f8ff;
  --muted: #aeb8cc;
  --gold: #ffd447;
  --cyan: #40e0d0;
  --pink: #ff4f9a;
  --green: #55e37b;
  --red: #ff5a67;
  --blue: #4aa3ff;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 212, 71, 0.14), transparent 24%),
    radial-gradient(circle at 88% 10%, rgba(64, 224, 208, 0.14), transparent 26%),
    linear-gradient(135deg, #101217, #161b24 55%, #111218);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

button {
  border: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.app-shell {
  width: min(1240px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 18px 96px;
}

.topbar,
.bottom-nav,
.panel,
.mode-card,
.shop-card,
.game-side,
.arena-wrap {
  border: 1px solid var(--line);
  background: rgba(26, 30, 39, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 72px;
  padding: 12px;
  border-radius: 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  background: transparent;
  text-align: left;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  color: #111217;
  font-weight: 1000;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.label,
.stat-row span,
.battle-stats span,
.wallet {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.wallet {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 8px;
  background: #10141d;
}

.coin,
.gem {
  width: 18px;
  height: 18px;
  display: inline-block;
}

.coin {
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff2a0, var(--gold) 55%, #e28a13);
}

.gem {
  transform: rotate(45deg);
  border-radius: 4px;
  background: linear-gradient(135deg, #a9fff8, var(--cyan), #1686ff);
}

.screen {
  display: none;
  padding-top: 22px;
}

.screen.active {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: 18px;
  align-items: stretch;
  min-height: 430px;
}

.hero-copy {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 212, 71, 0.18), rgba(255, 79, 154, 0.12)),
    linear-gradient(160deg, #242a35, #161a23);
  border: 1px solid var(--line);
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto -80px -110px auto;
  width: 320px;
  height: 320px;
  background:
    linear-gradient(45deg, transparent 45%, rgba(255, 255, 255, 0.2) 46% 54%, transparent 55%),
    linear-gradient(-45deg, transparent 45%, rgba(255, 255, 255, 0.14) 46% 54%, transparent 55%);
  transform: rotate(18deg);
}

.season-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(64, 224, 208, 0.16);
  color: #a9fff8;
  font-weight: 900;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  position: relative;
  max-width: 780px;
  margin-top: 18px;
  font-size: clamp(2.35rem, 6vw, 5.2rem);
  line-height: 0.95;
}

.hero-copy p {
  position: relative;
  max-width: 580px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.08rem;
  font-weight: 700;
}

.hero-actions,
.section-head,
.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hero-actions {
  position: relative;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 30px;
}

.primary,
.secondary,
.tab,
.icon-button {
  min-height: 42px;
  border-radius: 8px;
  padding: 0 16px;
  font-weight: 1000;
  transition: transform 140ms ease, filter 140ms ease, background 140ms ease;
}

.primary {
  background: linear-gradient(180deg, #ffe36e, #ffb11c);
  color: #19130a;
  border-bottom: 4px solid #b96400;
}

.secondary,
.tab,
.icon-button {
  background: #252b37;
  color: var(--text);
  border: 1px solid var(--line);
}

.big {
  min-height: 52px;
  padding: 0 22px;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  filter: none;
}

.fighter-stage {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 430px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(150deg, #202732, #12151c);
  background-size: 42px 42px, 42px 42px, auto;
}

.selected-card {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 18, 23, 0.8);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.1fr 1.05fr;
  gap: 16px;
  margin-top: 16px;
}

.panel {
  border-radius: 8px;
  padding: 18px;
}

.panel h2,
.section-head h2 {
  font-size: 1.5rem;
}

.player-panel,
.event-panel,
.missions-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.rank-badge,
.stat-row,
.mission,
.battle-stats div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  background: #111620;
}

.rank-badge {
  background: linear-gradient(135deg, rgba(255, 212, 71, 0.16), rgba(64, 224, 208, 0.12));
}

.mission {
  margin-top: 8px;
}

.mission.done {
  outline: 2px solid rgba(85, 227, 123, 0.4);
}

.event-panel p {
  margin-top: 8px;
  color: var(--muted);
  font-weight: 700;
}

.section-head {
  margin: 8px 0 16px;
}

.mode-grid,
.shop-grid,
.index-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mode-card,
.shop-card,
.index-card {
  position: relative;
  overflow: hidden;
  min-height: 220px;
  border-radius: 8px;
  padding: 18px;
}

.mode-card {
  display: grid;
  align-content: space-between;
  gap: 18px;
}

.mode-card::before,
.shop-card::before,
.index-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.16), transparent 45%);
  pointer-events: none;
}

.mode-art {
  display: flex;
  gap: 10px;
  align-items: center;
  min-height: 74px;
}

.shape-token {
  width: 58px;
  height: 58px;
  border: 4px solid rgba(255,255,255,0.28);
  box-shadow: inset 0 -8px 0 rgba(0,0,0,0.18), 0 12px 24px rgba(0,0,0,0.25);
}

.circle {
  border-radius: 50%;
  background: var(--green);
}

.square {
  border-radius: 8px;
  background: var(--blue);
}

.triangle {
  width: 0;
  height: 0;
  border-left: 32px solid transparent;
  border-right: 32px solid transparent;
  border-bottom: 62px solid var(--pink);
  background: transparent;
  box-shadow: none;
}

.mode-card h3,
.shop-card h3,
.index-card h3 {
  position: relative;
  margin: 0;
  font-size: 1.35rem;
}

.mode-card p,
.shop-card p,
.index-card p {
  position: relative;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 700;
}

.mode-meta,
.shop-meta {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 1000;
}

.shop-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.tab.active {
  background: var(--cyan);
  color: #071114;
}

.shop-card {
  min-height: 300px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
}

.skin-preview {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 120px;
  border-radius: 8px;
  background: rgba(0,0,0,0.2);
}

.skin-body {
  width: 74px;
  height: 74px;
  border-radius: 18px;
  transform: rotate(45deg);
  border: 4px solid rgba(255,255,255,0.34);
  box-shadow: inset 0 -12px 0 rgba(0,0,0,0.22), 0 18px 30px rgba(0,0,0,0.28);
}

.shop-card.owned {
  outline: 2px solid rgba(85, 227, 123, 0.45);
}

.shop-card .primary,
.shop-card .secondary,
.mode-card .primary {
  position: relative;
  width: 100%;
}

.shop-card.locked {
  opacity: 0.78;
}

.index-card {
  display: grid;
  gap: 14px;
  align-content: space-between;
  min-height: 260px;
}

.index-card.locked {
  filter: grayscale(0.85);
  opacity: 0.62;
}

.index-symbol {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 110px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
}

.admin-lock {
  display: grid;
  place-items: center;
  min-height: 520px;
}

.admin-lock.hidden {
  display: none;
}

.admin-lock-card {
  width: min(560px, 100%);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 212, 71, 0.12), rgba(26, 30, 39, 0.94));
  box-shadow: var(--shadow);
}

.admin-lock-card p,
.admin-lock-card small,
.admin-card p {
  color: var(--muted);
  font-weight: 700;
}

.admin-login-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

input,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #10141d;
  color: var(--text);
  font: inherit;
  font-weight: 800;
  padding: 10px 12px;
  outline: none;
}

textarea {
  min-height: 140px;
  resize: vertical;
  margin-top: 12px;
}

.admin-grid {
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-grid.active {
  display: grid;
}

.admin-card {
  display: grid;
  gap: 12px;
}

.admin-card h3 {
  margin: 0;
  font-size: 1.25rem;
}

.admin-card.wide {
  grid-column: 1 / -1;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-actions button {
  flex: 1 1 150px;
}

.admin-secret-list {
  display: grid;
  gap: 10px;
}

.secret-row {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 8px;
  background: #111620;
}

.secret-dot {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  transform: rotate(45deg);
  border: 3px solid rgba(255,255,255,0.35);
}

.game-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 16px;
  min-height: calc(100vh - 134px);
}

.game-side {
  display: grid;
  gap: 16px;
  align-content: start;
  border-radius: 8px;
  padding: 16px;
}

.game-side p {
  margin-top: 8px;
  color: var(--muted);
  font-weight: 700;
}

.battle-stats {
  display: grid;
  gap: 8px;
}

.arena-wrap {
  position: relative;
  overflow: hidden;
  display: grid;
  min-height: 620px;
  border-radius: 8px;
  background: #0b1018;
}

#gameCanvas {
  touch-action: none;
  width: 100%;
  height: 100%;
  display: block;
}

.game-overlay {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  align-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  background: rgba(7, 9, 13, 0.72);
}

.game-overlay.active {
  display: grid;
}

.game-overlay strong {
  font-size: clamp(2rem, 7vw, 4.8rem);
  line-height: 0.95;
}

.game-overlay span {
  color: var(--muted);
  font-weight: 800;
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  width: min(680px, calc(100% - 28px));
  padding: 8px;
  border-radius: 8px;
  transform: translateX(-50%);
}

.nav-item {
  display: grid;
  gap: 2px;
  place-items: center;
  min-height: 56px;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-weight: 1000;
}

.nav-item span {
  font-size: 1.1rem;
}

.nav-item.active {
  background: #2b3443;
  color: #fff;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 92px;
  z-index: 30;
  max-width: min(520px, calc(100% - 24px));
  padding: 12px 14px;
  border-radius: 8px;
  background: #fff;
  color: #111217;
  font-weight: 900;
  box-shadow: var(--shadow);
  transform: translate(-50%, 18px);
  opacity: 0;
  pointer-events: none;
  transition: 180ms ease;
}

.toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

@media (max-width: 920px) {
  .hero,
  .dashboard-grid,
  .game-layout {
    grid-template-columns: 1fr;
  }

  .mode-grid,
  .shop-grid,
  .index-grid,
  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .arena-wrap {
    min-height: 560px;
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: 10px 10px 92px;
  }

  .topbar {
    top: 8px;
  }

  .brand small {
    display: none;
  }

  .wallet {
    padding: 8px;
  }

  .mode-grid,
  .shop-grid,
  .index-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .admin-card.wide {
    grid-column: auto;
  }

  .admin-login-row {
    flex-direction: column;
  }

  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .shop-tabs {
    justify-content: flex-start;
  }

  .fighter-stage {
    min-height: 330px;
  }

  .arena-wrap {
    min-height: 470px;
  }
}