:root {
  color-scheme: light;
  --canvas: #f7f6f3;
  --surface: #ffffff;
  --surface-soft: #f9f9f8;
  --text: #111111;
  --muted: #787774;
  --border: #eaeaea;
  --accent-blue-bg: #e1f3fe;
  --accent-blue-text: #1f6c9f;
  --accent-green-bg: #edf3ec;
  --accent-green-text: #346538;
  --accent-yellow-bg: #fbf3db;
  --accent-yellow-text: #956400;
  --accent-red-bg: #fdebec;
  --accent-red-text: #9f2f2d;
  --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.04);
  --page-width: min(1120px, calc(100vw - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--text);
  font-family: 'Noto Sans SC', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(17, 17, 17, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 17, 0.018) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.36), transparent 72%);
}

button,
input {
  font: inherit;
}

.ambient-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient-blob {
  position: absolute;
  border-radius: 9999px;
  filter: blur(24px);
  opacity: 0.04;
  animation: drift 28s ease-in-out infinite alternate;
}

.ambient-blob-one {
  top: 5%;
  left: -10%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(225, 243, 254, 1) 0%, rgba(225, 243, 254, 0) 72%);
}

.ambient-blob-two {
  right: -8%;
  bottom: 10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(251, 243, 219, 1) 0%, rgba(251, 243, 219, 0) 72%);
  animation-duration: 34s;
}

.page-shell {
  position: relative;
  width: var(--page-width);
  margin: 0 auto;
  padding: 56px 0 88px;
}

.hero,
.overview-grid,
.results-section {
  opacity: 0;
  transform: translateY(12px);
}

.hero {
  display: grid;
  gap: 28px;
  padding: 24px 0 40px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow,
.card-kicker,
.input-label,
.meta-text,
.hint-text,
.results-summary {
  color: var(--muted);
  letter-spacing: 0.05em;
}

.eyebrow,
.card-kicker {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.hero h1,
.section-head h2,
.panel-head h2 {
  margin: 0;
  color: var(--text);
}

.hero h1 {
  font-family: 'Instrument Serif', 'Newsreader', 'Times New Roman', serif;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 400;
}

.hero-text {
  margin: 18px 0 0;
  max-width: 34rem;
  font-size: 1rem;
  color: #2f3437;
}

.window-frame,
.info-card,
.status-box,
.result-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

.window-frame {
  overflow: hidden;
}

.window-chrome {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.88);
}

.window-chrome span {
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  background: #d8d8d8;
}

.search-panel {
  padding: 28px;
}

.panel-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
}

.panel-head h2,
.section-head h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.status-badge,
.gender-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  padding: 0.3rem 0.72rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.status-badge {
  margin-bottom: 12px;
  background: var(--accent-blue-bg);
  color: var(--accent-blue-text);
}

.search-form {
  display: grid;
  gap: 12px;
}

.input-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

input {
  min-width: 0;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

input::placeholder {
  color: #9a9894;
}

input:focus {
  border-color: #d5d5d5;
  box-shadow: 0 0 0 4px rgba(17, 17, 17, 0.04);
}

button {
  border: 1px solid #111111;
  border-radius: 6px;
  background: #111111;
  color: #ffffff;
  padding: 16px 22px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.12s ease;
}

button:hover {
  background: #333333;
}

button:active {
  transform: scale(0.98);
}

.hint-text,
.meta-text,
.results-summary,
.result-class,
.result-grid dt,
.status-box {
  font-size: 0.92rem;
}

.hint-text,
.meta-text,
.results-summary,
.result-class {
  margin: 0;
}

.overview-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 8px 0 18px;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
}

.strip-item p {
  margin: 0;
  color: #2f3437;
  font-size: 0.92rem;
  line-height: 1.45;
}

.strip-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 9999px;
  padding: 0.28rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.accent-blue.strip-item .strip-label {
  background: var(--accent-blue-bg);
  color: var(--accent-blue-text);
}

.accent-green.strip-item .strip-label {
  background: var(--accent-green-bg);
  color: var(--accent-green-text);
}

.accent-yellow.strip-item .strip-label {
  background: var(--accent-yellow-bg);
  color: var(--accent-yellow-text);
}

.strip-item:hover,
.result-card:hover,
.building-group:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}



.results-section {
  padding-top: 12px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

kbd {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface-soft);
  color: var(--muted);
  padding: 0.3rem 0.55rem;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  font-size: 0.82rem;
}

.status-box {
  padding: 16px 18px;
  color: #2f3437;
  background: rgba(255, 255, 255, 0.82);
}

.status-box[data-tone='warning'] {
  background: var(--accent-yellow-bg);
  color: var(--accent-yellow-text);
}

.status-box[data-tone='error'] {
  background: var(--accent-red-bg);
  color: var(--accent-red-text);
}

.status-box[data-tone='success'] {
  background: var(--accent-green-bg);
  color: var(--accent-green-text);
}

.results-summary {
  min-height: 24px;
  margin: 16px 0 0;
}

.results-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.building-group {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
  padding: 14px;
  opacity: 0;
  transform: translateY(12px);
}

.building-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding: 2px 2px 10px;
  border-bottom: 1px solid var(--border);
}

.building-group-head h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1;
  letter-spacing: -0.02em;
}

.building-group-head span {
  color: var(--muted);
  font-size: 0.84rem;
}

.building-group-list {
  display: grid;
  gap: 10px;
}

.result-card {
  padding: 18px 20px;
  opacity: 1;
  transform: none;
}

.result-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.result-name {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.result-class {
  margin-top: 4px;
  color: var(--muted);
}

.gender-tag {
  background: var(--accent-blue-bg);
  color: var(--accent-blue-text);
  flex-shrink: 0;
}

.gender-tag[data-gender='女'] {
  background: var(--accent-red-bg);
  color: var(--accent-red-text);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 14px 0 0;
}

.result-grid div {
  min-width: 0;
}

.result-grid dt {
  margin-bottom: 4px;
  color: var(--muted);
}

.result-grid dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.2;
  word-break: break-word;
}

.reveal.is-visible,
.result-card.is-visible,
.building-group.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--index, 0) * 80ms);
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }

  to {
    transform: translate3d(24px, -18px, 0) scale(1.04);
  }
}

@media (max-width: 900px) {
  .page-shell {
    padding-top: 36px;
    padding-bottom: 72px;
  }

  .overview-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --page-width: min(100vw - 20px, 100%);
  }

  body::before {
    background-size: 24px 24px;
  }

  .page-shell {
    padding-top: 20px;
    padding-bottom: 52px;
  }

  .hero {
    gap: 20px;
    padding-top: 8px;
  }

  .hero-text {
    max-width: none;
  }

  .search-panel,
  .strip-item,
  .result-card,
  .building-group {
    padding: 20px;
  }

  .panel-head,
  .section-head,
  .result-topline,
  .search-row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .panel-head,
  .section-head,
  .result-topline {
    justify-content: initial;
  }

  .search-row button {
    width: 100%;
  }

  .building-group-head {
    grid-template-columns: 1fr auto;
    display: grid;
    align-items: center;
  }

  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .hero,
  .overview-grid,
  .results-section,
  .result-card {
    opacity: 1;
    transform: none;
  }
}