:root {
  --bg: #060817;
  --text: #f6f7fb;
  --muted: rgba(236, 239, 247, 0.72);
  --accent: #ff8b36;
  --accent-soft: #ffe66d;
  --accent-tertiary: #fff7d8;
  --panel: rgba(7, 11, 26, 0.62);
  --panel-border: rgba(255, 255, 255, 0.12);
  font-family:
    "Noto Sans SC",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(255, 140, 66, 0.14), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(67, 161, 255, 0.12), transparent 28%),
    var(--bg);
  color: var(--text);
}

button,
input,
textarea,
select {
  font: inherit;
}

.scene-shell {
  position: relative;
  width: 100%;
  height: 100%;
}

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

.hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
}

.hud-tag {
  align-self: flex-start;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(6, 9, 21, 0.44);
  backdrop-filter: blur(18px);
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hud-title-group {
  position: absolute;
  left: 28px;
  bottom: 30px;
  max-width: min(42rem, calc(100vw - 420px));
}

.hud-title-group h1 {
  margin: 0;
  font-size: clamp(56px, 9vw, 132px);
  line-height: 0.92;
  letter-spacing: -0.06em;
  font-weight: 800;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

.hud-title-group p {
  width: min(36rem, 90vw);
  margin: 16px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 2vw, 20px);
  line-height: 1.6;
}

.phase-card {
  align-self: flex-end;
  width: min(430px, calc(100vw - 32px));
  max-height: calc(100vh - 96px);
  padding: 20px 20px 18px;
  overflow: auto;
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 100%),
    var(--panel);
  backdrop-filter: blur(24px);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.phase-card__eyebrow {
  color: color-mix(in srgb, var(--accent-soft) 72%, white);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.phase-card__title {
  margin: 10px 0 0;
  font-size: 28px;
  line-height: 1.15;
}

.phase-card__subtitle {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 15px;
  line-height: 1.55;
}

.phase-card__dashboard {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 14px;
  margin-top: 16px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.phase-card__ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
}

.phase-card__ring-svg {
  width: 108px;
  height: 108px;
  transform: rotate(-90deg);
}

.phase-card__ring-track,
.phase-card__ring-progress {
  fill: none;
  stroke-width: 8;
}

.phase-card__ring-track {
  stroke: rgba(255, 255, 255, 0.12);
}

.phase-card__ring-progress {
  stroke: color-mix(in srgb, var(--accent-soft) 82%, white);
  stroke-linecap: round;
  filter: drop-shadow(0 0 10px color-mix(in srgb, var(--accent) 45%, transparent));
  transition: stroke-dashoffset 500ms ease;
}

.phase-card__ring-value {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.phase-card__ring-label {
  position: absolute;
  bottom: 16px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.56);
}

.phase-card__bars {
  display: grid;
  gap: 10px;
}

.phase-card__bar {
  display: grid;
  gap: 6px;
}

.phase-card__bar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
}

.phase-card__bar-value {
  color: color-mix(in srgb, var(--accent-soft) 76%, white);
}

.phase-card__bar-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.phase-card__bar-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background:
    linear-gradient(90deg, var(--accent), var(--accent-soft), var(--accent-tertiary));
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 42%, transparent);
  transition: width 500ms ease;
}

.phase-card__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.phase-card__step {
  padding: 7px 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  line-height: 1.3;
  text-align: center;
}

.phase-card__step.is-active {
  background: color-mix(in srgb, var(--accent) 18%, rgba(255, 255, 255, 0.06));
  color: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-soft) 24%, transparent);
}

.phase-card__body {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.7;
}

.phase-card__diagram {
  margin-top: 14px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.phase-card__diagram-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
}

.phase-card__diagram-tag {
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
}

.phase-card__diagram-svg {
  display: block;
  width: 100%;
  height: auto;
}

.phase-card__diagram-bg {
  fill: rgba(255, 255, 255, 0.03);
  stroke: rgba(255, 255, 255, 0.08);
}

.phase-card__diagram-core {
  fill: url(#soup-core-gradient);
  opacity: 0.92;
}

.phase-card__diagram-flow {
  fill: none;
  stroke: url(#soup-flow-gradient);
  stroke-linecap: round;
  opacity: 0.7;
}

.phase-card__diagram-flow--1 {
  stroke-width: 3;
}

.phase-card__diagram-flow--2 {
  stroke-width: 2.4;
  opacity: 0.56;
}

.phase-card__diagram-flow--3 {
  stroke-width: 2;
  opacity: 0.44;
}

.phase-card__diagram-particle {
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.22));
}

.phase-card__diagram-particle--a,
.phase-card__diagram-particle--d {
  fill: color-mix(in srgb, var(--accent) 84%, white);
}

.phase-card__diagram-particle--b,
.phase-card__diagram-particle--e {
  fill: color-mix(in srgb, var(--accent-soft) 88%, white);
}

.phase-card__diagram-particle--c,
.phase-card__diagram-particle--f {
  fill: color-mix(in srgb, var(--accent-tertiary) 85%, white);
}

.phase-card__diagram-hotspot {
  fill: color-mix(in srgb, var(--accent-soft) 58%, white);
  opacity: 0.4;
}

.phase-card__legend {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.phase-card__legend-item {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 10px;
  align-items: start;
}

.phase-card__legend-dot {
  width: 12px;
  height: 12px;
  margin-top: 4px;
  border-radius: 50%;
  box-shadow: 0 0 16px currentColor;
}

.phase-card__legend-dot--1 {
  color: color-mix(in srgb, var(--accent) 86%, white);
  background: currentColor;
}

.phase-card__legend-dot--2 {
  color: color-mix(in srgb, var(--accent-soft) 82%, white);
  background: currentColor;
}

.phase-card__legend-dot--3 {
  color: color-mix(in srgb, var(--accent-tertiary) 84%, white);
  background: currentColor;
}

.phase-card__legend-item strong {
  display: block;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
}

.phase-card__legend-item p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  line-height: 1.55;
}

.phase-card__meta {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.phase-card__meta span {
  width: fit-content;
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
  line-height: 1;
}

.phase-card__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: color-mix(in srgb, white 82%, var(--accent-soft));
  font-size: 13px;
  line-height: 1.6;
}

.hud-footnote {
  align-self: flex-end;
  max-width: 360px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  line-height: 1.55;
  text-align: right;
}

@media (max-width: 960px) {
  .hud {
    padding: 20px;
  }

  .phase-card {
    width: min(100%, 360px);
    padding: 18px;
    border-radius: 20px;
  }

  .phase-card__dashboard {
    grid-template-columns: 1fr;
  }

  .phase-card__ring {
    margin: 0 auto;
  }

  .hud-title-group {
    position: static;
    max-width: 100%;
    margin-top: auto;
    margin-right: 0;
    padding-right: 0;
  }

  .hud-title-group p {
    width: min(28rem, 100%);
  }

  .hud-footnote {
    display: none;
  }
}

@media (max-width: 700px) {
  .hud {
    justify-content: flex-start;
    gap: 14px;
  }

  .phase-card {
    align-self: stretch;
    width: 100%;
    order: 2;
    max-height: 54vh;
  }

  .hud-title-group {
    order: 3;
  }

  .hud-title-group h1 {
    font-size: clamp(44px, 14vw, 84px);
  }

  .hud-title-group p {
    margin-top: 10px;
    font-size: 15px;
  }
}