:root {
  color-scheme: light;
  --bg: #edf7f9;
  --bg-2: #f8fcff;
  --glass: rgba(255, 255, 255, 0.66);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --line: rgba(75, 119, 138, 0.18);
  --line-strong: rgba(26, 93, 112, 0.28);
  --text: #132f39;
  --muted: #5a737b;
  --soft: #e9f5f6;
  --teal: #0c8b8f;
  --teal-2: #28a7a6;
  --indigo: #415d97;
  --amber: #b7791f;
  --rose: #b33c57;
  --green: #237d64;
  --shadow: 0 18px 50px rgba(38, 81, 96, 0.14);
  --shadow-soft: 0 10px 32px rgba(38, 81, 96, 0.1);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(225, 248, 247, 0.92), rgba(248, 252, 255, 0.96) 48%, rgba(232, 241, 255, 0.86)),
    var(--bg);
  font-family:
    Inter, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui,
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.2) 0 1px, transparent 1px 80px);
  opacity: 0.75;
}

.app-shell {
  position: relative;
  width: min(var(--max), calc(100vw - 28px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 0 34px;
}

.glass {
  border: 1px solid var(--line);
  background: var(--glass);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.16);
  -webkit-backdrop-filter: blur(22px) saturate(1.16);
  border-radius: var(--radius);
}

.loading {
  min-height: 240px;
  margin-top: 18vh;
  display: grid;
  place-items: center;
  gap: 14px;
  color: var(--muted);
}

.loader {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(12, 139, 143, 0.18);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.topbar {
  position: sticky;
  top: 10px;
  z-index: 20;
  display: grid;
  gap: 12px;
  padding: 12px;
}

.brand-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
}

.brand h1 {
  margin: 0;
  font-size: 1.16rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.brand p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.status-pill {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(12, 139, 143, 0.24);
  border-radius: var(--radius);
  background: rgba(236, 251, 249, 0.78);
  color: #075a5f;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 7px 10px;
  white-space: nowrap;
}

.progress-track {
  position: relative;
  height: 7px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(19, 47, 57, 0.08);
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--indigo));
  transition: width 0.28s ease;
}

.mobile-steps {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.mobile-steps::-webkit-scrollbar {
  display: none;
}

.step-chip {
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  padding: 7px 9px;
  font-size: 0.78rem;
  white-space: nowrap;
}

.step-chip.active {
  border-color: rgba(12, 139, 143, 0.26);
  background: rgba(230, 250, 249, 0.86);
  color: #075a5f;
  font-weight: 800;
}

.layout {
  display: grid;
  gap: 14px;
  padding-top: 14px;
  min-width: 0;
}

.layout > * {
  min-width: 0;
}

.side-nav,
.summary-rail {
  display: none;
}

.main-flow {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.flow-section {
  scroll-margin-top: 132px;
  padding: 16px;
  min-width: 0;
}

.main-panel {
  min-height: 560px;
  padding: 16px;
}

.panel-head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.section-label {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
}

.panel-head h2,
.result-title h2 {
  margin: 0;
  font-size: clamp(1.45rem, 4vw, 2rem);
  line-height: 1.18;
  letter-spacing: 0;
}

.panel-head p,
.subtle,
.hint {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.hint {
  font-size: 0.9rem;
}

.intro-grid,
.result-grid {
  display: grid;
  gap: 12px;
}

.mini-card,
.notice,
.metric-card,
.pattern-card,
.source-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.52);
}

.mini-card {
  padding: 13px;
}

.mini-card strong,
.metric-card strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.94rem;
}

.mini-card p,
.metric-card p,
.pattern-card p,
.source-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.9rem;
}

.notice {
  display: grid;
  gap: 8px;
  padding: 13px;
  background: rgba(234, 248, 247, 0.62);
}

.notice.warning {
  border-color: rgba(179, 60, 87, 0.3);
  background: rgba(255, 244, 247, 0.72);
}

.notice strong {
  color: var(--text);
}

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

.flag-row {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.54);
}

.flag-text {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 9px;
  align-items: start;
  line-height: 1.58;
}

.item-id {
  display: inline-flex;
  min-width: 42px;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(65, 93, 151, 0.1);
  color: var(--indigo);
  font-weight: 800;
  font-size: 0.78rem;
  padding: 4px 6px;
}

.choice-pair,
.option-grid,
.scale-grid {
  display: grid;
  gap: 8px;
}

.choice-pair {
  grid-template-columns: 1fr 1fr;
}

.choice,
.option,
.scale-option {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  text-align: left;
  transition:
    border-color 0.18s ease,
    transform 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease;
}

.choice {
  min-height: 42px;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.choice:hover,
.option:hover,
.scale-option:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.choice.selected,
.option.selected,
.scale-option.selected {
  border-color: rgba(12, 139, 143, 0.52);
  background: rgba(226, 249, 248, 0.9);
  box-shadow: 0 0 0 3px rgba(12, 139, 143, 0.11);
}

.choice.danger.selected {
  border-color: rgba(179, 60, 87, 0.42);
  background: rgba(255, 240, 244, 0.88);
  color: #8f203d;
}

.question-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.6);
  min-width: 0;
}

.module-card {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.5);
  min-width: 0;
  overflow: hidden;
}

.module-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.module-head h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.35;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.tag {
  border: 1px solid rgba(12, 139, 143, 0.18);
  border-radius: var(--radius);
  background: rgba(232, 250, 249, 0.7);
  color: #09666b;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 5px 8px;
}

.tag.muted {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.56);
  color: var(--muted);
}

.question-text {
  margin: 0;
  font-size: clamp(1.12rem, 4vw, 1.42rem);
  line-height: 1.55;
  font-weight: 750;
}

.scale-grid {
  grid-template-columns: 1fr;
}

.sentiment-scale {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  align-items: end;
  padding: 6px 0 0;
}

.circle-choice {
  min-width: 0;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  display: grid;
  justify-items: center;
  gap: 7px;
  padding: 8px 2px;
  text-align: center;
  color: var(--muted);
  transition:
    transform 0.18s ease,
    background 0.18s ease,
    color 0.18s ease;
}

.circle-choice:hover {
  background: rgba(255, 255, 255, 0.44);
  transform: translateY(-1px);
}

.circle-choice .circle {
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  color: white;
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(38, 81, 96, 0.12);
  transition:
    box-shadow 0.18s ease,
    transform 0.18s ease,
    border-color 0.18s ease;
}

.circle-choice.xl .circle {
  width: 58px;
  height: 58px;
  font-size: 1.08rem;
}

.circle-choice.lg .circle {
  width: 48px;
  height: 48px;
  font-size: 1rem;
}

.circle-choice.sm .circle {
  width: 36px;
  height: 36px;
  color: #64747a;
  font-size: 0.9rem;
}

.circle-choice.bad .circle {
  background: linear-gradient(145deg, #d86b77, #b33c57);
}

.circle-choice.good .circle {
  background: linear-gradient(145deg, #37b889, #237d64);
}

.circle-choice.neutral .circle {
  border-color: rgba(96, 116, 124, 0.22);
  background: linear-gradient(145deg, #f4f7f8, #d6e0e2);
}

.circle-choice.selected {
  color: var(--text);
  font-weight: 850;
}

.circle-choice.selected .circle {
  border-color: rgba(255, 255, 255, 0.86);
  box-shadow:
    0 0 0 4px rgba(12, 139, 143, 0.12),
    0 16px 32px rgba(38, 81, 96, 0.18);
  transform: scale(1.04);
}

.circle-label {
  min-height: 32px;
  display: block;
  color: inherit;
  font-size: 0.76rem;
  line-height: 1.32;
}

.scale-option {
  min-height: 54px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
}

.scale-number {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: var(--radius);
  background: rgba(19, 47, 57, 0.06);
  font-weight: 900;
  color: var(--teal);
}

.option {
  min-height: 52px;
  padding: 12px;
  line-height: 1.5;
}

.context-block {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(65, 93, 151, 0.18);
  border-radius: var(--radius);
  background: rgba(245, 249, 255, 0.72);
  min-width: 0;
  overflow: hidden;
}

.context-title {
  margin: 0;
  color: var(--indigo);
  font-weight: 850;
}

.responsive-table {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  min-width: 0;
  max-width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
  background: rgba(255, 255, 255, 0.62);
}

th,
td {
  padding: 10px;
  border-bottom: 1px solid rgba(75, 119, 138, 0.14);
  text-align: left;
  font-size: 0.88rem;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 850;
  background: rgba(235, 247, 248, 0.82);
}

.text-contexts {
  display: grid;
  gap: 8px;
}

.text-context {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.9rem;
}

.post-grid {
  display: grid;
  gap: 12px;
}

.slider-card {
  display: grid;
  gap: 12px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.58);
}

.slider-field {
  display: grid;
  gap: 6px;
}

.slider-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
}

.slider-title b {
  color: var(--teal);
}

.slider-head {
  display: grid;
  gap: 3px;
}

.slider-head strong {
  font-size: 0.95rem;
}

.slider-row {
  display: grid;
  grid-template-columns: 64px 1fr 34px;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.86rem;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--teal);
}

.nav-actions {
  position: sticky;
  bottom: 10px;
  z-index: 15;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 9px;
  margin-top: 16px;
  padding: 10px;
}

.btn {
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 850;
  line-height: 1.2;
  padding: 10px 14px;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.btn.primary {
  color: white;
  background: linear-gradient(135deg, #0c8b8f, #3c6faa);
  box-shadow: 0 12px 26px rgba(12, 139, 143, 0.22);
}

.btn.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
}

.btn.ghost {
  border-color: rgba(12, 139, 143, 0.2);
  background: rgba(232, 250, 249, 0.56);
  color: #075a5f;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 14px;
}

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

.summary-item {
  display: grid;
  gap: 4px;
}

.summary-item span {
  color: var(--muted);
  font-size: 0.78rem;
}

.summary-item strong {
  font-size: 1.08rem;
}

.bar {
  height: 8px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(19, 47, 57, 0.08);
}

.bar > i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--teal);
}

.result-hero {
  display: grid;
  gap: 14px;
  padding: 16px;
  margin-bottom: 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
}

.result-title {
  display: grid;
  gap: 8px;
}

.score-ring {
  width: 136px;
  height: 136px;
  display: grid;
  place-items: center;
  justify-self: center;
  border-radius: 50%;
  background:
    conic-gradient(var(--teal) var(--score-deg), rgba(19, 47, 57, 0.08) 0),
    rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 12px rgba(255, 255, 255, 0.78);
}

.score-ring div {
  display: grid;
  width: 96px;
  height: 96px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  text-align: center;
}

.score-ring strong {
  font-size: 1.6rem;
}

.score-ring span {
  color: var(--muted);
  font-size: 0.76rem;
}

.metric-grid {
  display: grid;
  gap: 10px;
}

.metric-card {
  padding: 12px;
}

.metric-card .bar {
  margin-top: 9px;
}

.domain-list {
  display: grid;
  gap: 9px;
}

.domain-row {
  display: grid;
  grid-template-columns: 78px 1fr auto;
  gap: 9px;
  align-items: center;
  font-size: 0.88rem;
}

.domain-row b {
  color: var(--text);
}

.domain-row span {
  color: var(--muted);
}

.domain-note {
  margin: -3px 0 5px 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.pattern-line {
  border-left: 3px solid var(--teal);
  padding: 8px 10px;
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 255, 255, 0.48);
}

.pattern-line.green {
  border-left-color: var(--green);
}

.pattern-line.teal {
  border-left-color: var(--teal);
}

.pattern-line.indigo {
  border-left-color: var(--indigo);
}

.pattern-line.amber {
  border-left-color: var(--amber);
}

.pattern-line.rose {
  border-left-color: var(--rose);
}

.pattern-card,
.source-card {
  padding: 14px;
}

.pattern-card h3,
.source-card h3,
.subsection-title {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.recommendations {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.recommendations li {
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.56);
  line-height: 1.55;
}

.source-card a {
  color: #086f74;
  text-decoration: none;
  border-bottom: 1px solid rgba(8, 111, 116, 0.22);
}

.source-card a:hover {
  border-bottom-color: currentColor;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 50;
  transform: translateX(-50%) translateY(18px);
  max-width: min(420px, calc(100% - 32px));
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

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

.error-box {
  padding: 16px;
  color: #84233c;
  background: rgba(255, 239, 243, 0.82);
  border-color: rgba(179, 60, 87, 0.28);
}

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

@media (min-width: 760px) {
  .app-shell {
    width: min(var(--max), calc(100% - 44px));
    padding-top: 22px;
  }

  .topbar {
    padding: 14px 16px;
  }

  .brand h1 {
    font-size: 1.34rem;
  }

  .layout {
    grid-template-columns: 206px minmax(0, 1fr);
  }

  .side-nav {
    position: sticky;
    top: 116px;
    display: grid;
    align-self: start;
    gap: 8px;
    padding: 10px;
  }

  .side-step {
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    cursor: pointer;
    display: grid;
    grid-template-columns: 26px 1fr;
    gap: 9px;
    align-items: center;
    padding: 9px;
    text-align: left;
    color: var(--muted);
  }

  .side-step strong {
    display: grid;
    width: 26px;
    height: 26px;
    place-items: center;
    border-radius: var(--radius);
    background: rgba(19, 47, 57, 0.06);
    color: inherit;
    font-size: 0.8rem;
  }

  .side-step.active {
    border-color: rgba(12, 139, 143, 0.24);
    background: rgba(232, 250, 249, 0.68);
    color: #075a5f;
    font-weight: 850;
  }

  .main-panel {
    padding: 22px;
  }

  .flow-section {
    padding: 22px;
  }

  .intro-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .scale-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .scale-option {
    min-height: 106px;
    grid-template-columns: 1fr;
    align-content: start;
  }

  .scale-number {
    margin-bottom: 5px;
  }

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

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

  .nav-actions {
    grid-template-columns: 160px minmax(190px, 240px);
    justify-content: end;
  }

  .result-hero {
    grid-template-columns: minmax(0, 1fr) 160px;
    align-items: center;
  }

  .metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .layout {
    grid-template-columns: 214px minmax(0, 1fr) 236px;
  }

  .summary-rail {
    position: sticky;
    top: 116px;
    display: grid;
    align-self: start;
    gap: 14px;
    padding: 14px;
  }
}

@media (max-width: 520px) {
  .app-shell {
    width: min(520px, calc(100vw - 18px));
    padding-bottom: 86px;
  }

  .brand-row {
    grid-template-columns: 1fr;
  }

  .status-pill {
    justify-self: start;
  }

  .main-panel {
    padding: 13px;
  }

  .flow-section {
    padding: 13px;
    scroll-margin-top: 154px;
  }

  .question-card {
    padding: 13px;
  }

  .module-card {
    padding: 12px;
  }

  .sentiment-scale {
    gap: 2px;
  }

  .circle-choice.xl .circle {
    width: 44px;
    height: 44px;
  }

  .circle-choice.lg .circle {
    width: 38px;
    height: 38px;
  }

  .circle-choice.sm .circle {
    width: 30px;
    height: 30px;
  }

  .circle-label {
    font-size: 0.64rem;
    line-height: 1.22;
  }

  .domain-row {
    grid-template-columns: 64px 1fr auto;
  }

  .nav-actions {
    left: 9px;
    right: 9px;
    bottom: 8px;
    position: fixed;
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}