:root {
  color-scheme: dark;
  font-family: "Microsoft JhengHei", "Noto Sans TC", system-ui, sans-serif;
  background: #0f2f2f;
  color: #fffce9;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  min-height: 100dvh;
  margin: 0;
  overflow: hidden;
  overflow-x: hidden;
  overscroll-behavior: none;
}

body {
  display: grid;
  justify-items: center;
  background:
    radial-gradient(circle at 18% 12%, rgba(85, 214, 196, 0.26), transparent 34%),
    radial-gradient(circle at 86% 16%, rgba(253, 224, 71, 0.2), transparent 30%),
    linear-gradient(180deg, #102b3a 0%, #123d36 48%, #1f5136 100%);
}

button,
select,
a {
  font: inherit;
}

.crystal-app {
  position: relative;
  display: grid;
  grid-template-rows: 66px minmax(0, 1fr);
  gap: 10px;
  width: 100%;
  max-width: min(100vw, 760px);
  height: 100svh;
  padding: max(14px, calc(env(safe-area-inset-top) + 10px)) 12px calc(12px + env(safe-area-inset-bottom));
  overflow: hidden;
}

.topbar {
  position: relative;
  z-index: 30;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) minmax(132px, 160px);
  gap: 10px;
  align-items: center;
}

.icon-btn,
.language-picker,
.hud-row > div,
.soft-btn,
.menu-copy,
.result-card,
.upgrade-card-wrap {
  border: 1px solid rgba(255, 249, 196, 0.42);
  border-radius: 8px;
  background: rgba(17, 42, 39, 0.82);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(10px);
}

.icon-btn,
.soft-btn {
  display: grid;
  place-items: center;
  min-height: 50px;
  color: #fff8c7;
  font-size: 26px;
  font-weight: 1000;
  text-decoration: none;
}

.soft-btn {
  min-height: 46px;
  border: 0;
  cursor: pointer;
}

.brand-title {
  min-width: 0;
  overflow: hidden;
}

.brand-title p,
.language-picker span,
.hud-row span,
.xp-row span {
  margin: 0;
  color: #b7f4d7;
  font-size: 12px;
  font-weight: 1000;
}

.brand-title h1 {
  overflow: hidden;
  margin: 2px 0 0;
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.language-picker {
  display: grid;
  gap: 4px;
  min-height: 52px;
  padding: 7px;
}

.language-picker select {
  width: 100%;
  min-width: 0;
  min-height: 31px;
  border: 1px solid rgba(183, 244, 215, 0.52);
  border-radius: 8px;
  background: rgba(8, 29, 28, 0.94);
  color: #fffce9;
  font-weight: 1000;
}

.menu-panel,
.game-panel {
  min-height: 0;
  overflow: hidden;
}

.menu-panel {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 12px;
}

.cover {
  width: 100%;
  min-height: 0;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.26);
}

.menu-copy {
  display: grid;
  gap: 10px;
  padding: 14px;
  overflow: hidden;
}

.menu-copy strong,
.upgrade-card-wrap strong,
.result-card strong {
  font-size: clamp(20px, 5vw, 30px);
  line-height: 1.08;
}

.menu-copy span,
.hint-text,
.result-card p {
  color: #e9fbdc;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
}

.control-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.prototype-goals {
  display: grid;
  gap: 4px;
  border: 1px solid rgba(254, 240, 138, 0.38);
  border-radius: 8px;
  padding: 9px 10px;
  background: rgba(254, 240, 138, 0.12);
}

.prototype-goals b {
  color: #ffe76c;
  font-size: 13px;
  line-height: 1.15;
}

.prototype-goals span {
  color: #fff9c4;
  font-size: 13px;
  line-height: 1.3;
}

.diamond-shop {
  display: grid;
  gap: 8px;
  border: 1px solid rgba(103, 232, 249, 0.38);
  border-radius: 8px;
  padding: 10px;
  background: rgba(8, 33, 34, 0.64);
}

.diamond-shop-head,
.diamond-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.diamond-shop-head span {
  color: #b7f4d7;
  font-size: 13px;
  font-weight: 1000;
}

.diamond-shop-head b,
.diamond-btn > b {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 5px;
  color: #fff6a6;
  font-size: 16px;
  line-height: 1;
}

.diamond-shop img {
  display: block;
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.diamond-btn {
  min-height: 70px;
  padding: 10px 12px;
  color: #fffce9;
  border: 1px solid rgba(254, 240, 138, 0.34);
  background: linear-gradient(180deg, rgba(27, 78, 74, 0.96), rgba(14, 52, 48, 0.96));
  box-shadow: inset 0 0 0 2px rgba(183, 244, 215, 0.12);
  text-align: left;
}

.diamond-btn:disabled {
  cursor: default;
  opacity: 0.62;
}

.diamond-btn > span {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.diamond-btn strong {
  font-size: 16px;
  line-height: 1.15;
}

.diamond-btn small,
.diamond-status {
  color: #d9f99d;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.25;
}

.diamond-status {
  min-height: 16px;
  color: #fff6a6;
}

.control-chips span {
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(183, 244, 215, 0.16);
  min-width: 0;
}

button {
  border: 0;
  border-radius: 8px;
  min-height: 48px;
  color: #273019;
  background: linear-gradient(180deg, #ffe990, #75dd77);
  font-weight: 1000;
  cursor: pointer;
}

.game-panel {
  display: grid;
  grid-template-rows: 54px 34px minmax(0, 1fr) 34px;
  gap: 8px;
}

.hud-row {
  display: grid;
  grid-template-columns: 74px repeat(4, minmax(0, 1fr));
  gap: 7px;
  min-width: 0;
}

.hud-row > div {
  display: grid;
  place-items: center;
  padding: 5px;
  min-width: 0;
}

.hud-row b {
  color: #ffe76c;
  font-size: clamp(15px, 3.5vw, 22px);
  line-height: 1;
}

.xp-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 0 4px;
}

.xp-track {
  height: 13px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

.xp-track i {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #67e8f9, #fef08a);
  transition: width 0.18s ease;
}

.canvas-wrap {
  justify-self: center;
  align-self: center;
  width: min(100%, calc(100svh - 218px));
  aspect-ratio: 1 / 1;
  min-height: 0;
  overflow: hidden;
  border: 2px solid rgba(255, 248, 199, 0.72);
  border-radius: 8px;
  background: #143b34;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.28);
}

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

.hint-text {
  margin: 0;
  min-height: 0;
  text-align: center;
}

.hidden {
  display: none !important;
}

.upgrade-panel,
.result-panel {
  position: absolute;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) 16px max(18px, env(safe-area-inset-bottom));
  background: rgba(7, 22, 21, 0.78);
  backdrop-filter: blur(8px);
}

.upgrade-card-wrap,
.result-card {
  width: min(100%, 560px);
  display: grid;
  gap: 12px;
  padding: 15px;
}

.upgrade-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.upgrade-card {
  display: grid;
  gap: 8px;
  min-height: 150px;
  padding: 12px 10px 10px;
  color: #fffce9;
  background: rgba(13, 45, 43, 0.96);
  box-shadow: inset 0 0 0 2px rgba(183, 244, 215, 0.22);
}

.upgrade-icon {
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  justify-self: center;
  overflow: visible;
  border: 1px solid rgba(254, 240, 138, 0.38);
  border-radius: 12px;
  background: radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.18), rgba(16, 55, 49, 0.62) 70%);
  box-shadow: inset 0 0 0 2px rgba(9, 35, 34, 0.42), 0 8px 18px rgba(0, 0, 0, 0.24);
}

.upgrade-icon img {
  display: block;
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: 9px;
}

.upgrade-card b {
  font-size: 15px;
  line-height: 1.1;
}

.upgrade-card small {
  color: #d9f99d;
  font-weight: 800;
  line-height: 1.25;
}

.result-card {
  text-align: center;
}

.result-score {
  color: #ffe76c;
  font-size: clamp(40px, 14vw, 78px);
  font-weight: 1000;
  line-height: 1;
}

.result-score-label {
  display: block;
  color: #d9f99d;
  font-size: clamp(13px, 3.2vw, 17px);
  font-weight: 900;
  line-height: 1.25;
}

.skill-lines {
  display: grid;
  gap: 6px;
  color: #e9fbdc;
  font-weight: 900;
}

.skill-lines b {
  color: #ffe76c;
  letter-spacing: 1px;
}

.skill-report {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid rgba(217, 249, 157, 0.32);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  text-align: left;
}

.skill-report strong {
  color: #fff6a6;
  font-size: clamp(15px, 3.8vw, 18px);
  line-height: 1.18;
}

.skill-report p {
  margin: 0;
  font-size: clamp(13px, 3.4vw, 15px);
  line-height: 1.38;
}

.skill-report small {
  color: rgba(233, 251, 220, 0.78);
  font-size: clamp(11px, 3vw, 13px);
  font-weight: 800;
  line-height: 1.3;
}

@media (max-width: 520px) {
  body {
    justify-items: start;
  }

  .crystal-app {
    grid-template-rows: 98px minmax(0, 1fr);
    width: min(100vw, 390px);
    max-width: 390px;
    padding-inline: 8px;
  }

  .topbar {
    grid-template-columns: 46px minmax(0, 1fr);
    grid-template-rows: 46px 42px;
    gap: 6px;
  }

  .brand-title p {
    font-size: 10px;
  }

  .brand-title h1 {
    font-size: clamp(18px, 5.1vw, 22px);
  }

  .icon-btn,
  .language-picker {
    min-height: 46px;
  }

  .language-picker {
    grid-column: 1 / -1;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 2px;
    min-height: 42px;
    padding: 5px 8px;
  }

  .language-picker span {
    font-size: 10px;
  }

  .language-picker select {
    min-height: 30px;
    font-size: 12px;
  }

  .game-panel {
    grid-template-rows: auto 28px minmax(0, 1fr) 54px;
    gap: 6px;
  }

  .hud-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  .hud-row .soft-btn {
    grid-column: span 1;
    min-height: 42px;
    font-size: 15px;
  }

  .hud-row > div {
    min-height: 42px;
    padding: 4px;
  }

  .hud-row span {
    font-size: 10px;
  }

  .control-chips {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .diamond-shop {
    padding: 8px;
  }

  .diamond-btn {
    min-height: 66px;
    padding: 9px 10px;
  }

  .diamond-btn strong {
    font-size: 14px;
  }

  .diamond-btn small,
  .diamond-status {
    font-size: 11px;
  }

  .control-chips span {
    display: grid;
    place-items: center;
    min-height: 32px;
    padding: 6px 7px;
    text-align: center;
    overflow-wrap: anywhere;
    line-height: 1.1;
  }

  .canvas-wrap {
    width: min(100%, calc(100svh - 292px));
  }

  .hint-text {
    display: grid;
    align-items: center;
    min-height: 54px;
    overflow: hidden;
    font-size: 12px;
    line-height: 1.22;
  }

  .upgrade-cards {
    grid-template-columns: 1fr;
  }

  .upgrade-card {
    min-height: 88px;
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: center;
    text-align: left;
  }

  .upgrade-icon {
    width: 66px;
    height: 66px;
  }

  .upgrade-icon img {
    width: 56px;
    height: 56px;
  }

  .upgrade-card small {
    grid-column: 2;
  }
}