:root {
  --bg: #f6f2fb;
  --panel: rgba(255, 255, 255, 0.74);
  --panel-strong: #fcf9ff;
  --border: rgba(115, 98, 138, 0.16);
  --text: #31283e;
  --muted: #6f6582;
  --accent: #b494c5;
  --accent-deep: #8f79ac;
  --accent-soft: #d6c7e2;
  --teal: #9f8fbe;
  --olive: #b6a8cf;
  --danger: #8d76aa;
  --shadow: 0 18px 50px rgba(105, 87, 137, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(180, 148, 197, 0.3), transparent 24%),
    radial-gradient(circle at 85% 15%, rgba(214, 199, 226, 0.45), transparent 22%),
    linear-gradient(135deg, #f6f2fb 0%, #f1ebf7 42%, #ece6f3 100%);
}

.page-shell {
  width: min(1380px, calc(100% - 32px));
  margin: 24px auto;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 24px;
}

.hero-panel,
.section-card,
.results-card {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-panel {
  position: sticky;
  top: 24px;
  align-self: start;
  border-radius: 28px;
  padding: 28px;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -60px -60px auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(180, 148, 197, 0.34), transparent 68%);
  pointer-events: none;
}

.eyebrow,
.section-tag,
.score-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--accent-deep);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  margin-top: 14px;
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.hero-copy {
  margin: 18px 0 22px;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--muted);
}

.info-card,
.legend-card,
.section-card,
.results-card,
.meter-card,
.insight-card {
  border-radius: 24px;
}

.info-card,
.legend-card {
  position: relative;
  z-index: 1;
  padding: 18px 18px 14px;
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(115, 98, 138, 0.1);
}

.info-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.65;
}

.legend-item {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 14px;
}

.legend-item p {
  margin: 4px 0 0;
  color: var(--muted);
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  flex: 0 0 auto;
}

.dot.low {
  background: var(--teal);
}

.dot.moderate {
  background: var(--olive);
}

.dot.high {
  background: var(--danger);
}

.content-panel {
  display: grid;
  gap: 24px;
}

.survey-form {
  display: grid;
  gap: 24px;
}

.section-card,
.results-card {
  padding: 28px;
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.demographic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.field-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(115, 98, 138, 0.14);
  background: rgba(255, 255, 255, 0.72);
}

.field-card span {
  font-weight: 600;
}

.text-input {
  width: 100%;
  border: 1px solid rgba(115, 98, 138, 0.18);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
}

.text-input:focus {
  outline: 2px solid rgba(143, 121, 172, 0.24);
  border-color: rgba(143, 121, 172, 0.32);
}

.scale-note {
  margin: 0;
  color: var(--muted);
}

.question-block {
  margin: 0;
  padding: 0;
  border: 0;
}

.question-block + .question-block,
.likert-question + .likert-question {
  margin-top: 22px;
}

legend,
.likert-question p {
  width: 100%;
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 600;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.option-grid label,
.likert-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(115, 98, 138, 0.14);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  line-height: 1.4;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.option-grid label:hover,
.likert-option:hover,
.primary-btn:hover,
.ghost-btn:hover {
  transform: translateY(-2px);
}

input[type="radio"],
input[type="checkbox"] {
  accent-color: var(--accent-deep);
}

.likert-list {
  display: grid;
  gap: 18px;
}

.likert-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.likert-option {
  justify-content: center;
  text-align: center;
  min-height: 92px;
  flex-direction: column;
}

.likert-option span {
  font-size: 0.86rem;
  color: var(--muted);
}

.action-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.submission-status {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(115, 98, 138, 0.12);
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
  line-height: 1.55;
}

.submission-status.idle,
.submission-status.configured {
  background: rgba(255, 255, 255, 0.74);
}

.submission-status.saving {
  background: rgba(212, 202, 230, 0.48);
  color: var(--text);
}

.submission-status.success {
  background: rgba(173, 201, 214, 0.36);
  color: #35556d;
}

.submission-status.error {
  background: rgba(214, 186, 210, 0.4);
  color: #6a3f67;
}

.primary-btn,
.ghost-btn {
  border: 0;
  border-radius: 999px;
  padding: 15px 24px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-btn:disabled,
.ghost-btn:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.primary-btn {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  box-shadow: 0 16px 28px rgba(143, 121, 172, 0.28);
}

.ghost-btn {
  color: var(--accent-deep);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(143, 121, 172, 0.16);
}

.results-card {
  background: linear-gradient(180deg, rgba(252, 249, 255, 0.92), rgba(243, 237, 249, 0.92));
}

.results-head p {
  margin: 10px 0 0;
  color: var(--muted);
}

.score-highlight {
  margin: 24px 0;
  padding: 22px 24px;
  border-radius: 22px;
  background: linear-gradient(90deg, #b491c5 0%, #c2aecf 22%, #d0bfdc 44%, #d7cde5 62%, #bbb0d3 82%, #a28fbe 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.severity-banner {
  margin-top: -6px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.75fr);
  gap: 16px;
}

.severity-main,
.severity-range-card,
.focus-card,
.education-card,
.strategy-card {
  border-radius: 22px;
  border: 1px solid rgba(115, 98, 138, 0.1);
  background: rgba(255, 255, 255, 0.8);
}

.severity-main,
.severity-range-card {
  padding: 20px;
}

.severity-main h3 {
  margin-top: 8px;
  font-size: 1.45rem;
}

.severity-main p:last-child,
.severity-range-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.severity-range-card strong {
  color: var(--text);
}

#rbpi-score {
  display: block;
  margin-top: 8px;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 108px;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  color: white;
}

.score-badge.low {
  background: var(--teal);
}

.score-badge.moderate {
  background: var(--olive);
}

.score-badge.high {
  background: var(--danger);
}

.score-badge.neutral {
  background: #8d80a5;
}

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

.meter-card,
.insight-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(115, 98, 138, 0.1);
}

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

.meter-track {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(143, 121, 172, 0.16);
  overflow: hidden;
}

.meter-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #b491c5 0%, #c9b9d8 42%, #a28fbe 100%);
  transition: width 260ms ease;
}

.insight-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.insight-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.guidance-panel {
  margin-top: 22px;
  padding: 24px;
  border-radius: 26px;
  color: #f7f2ff;
  background:
    linear-gradient(180deg, rgba(91, 74, 117, 0.96), rgba(78, 63, 101, 0.96)),
    radial-gradient(circle at top right, rgba(203, 183, 225, 0.18), transparent 32%);
  box-shadow: 0 22px 44px rgba(79, 61, 103, 0.18);
}

.guidance-head p {
  margin: 10px 0 0;
  color: rgba(245, 238, 255, 0.8);
  line-height: 1.65;
}

.education-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.education-card,
.focus-card,
.strategy-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(240, 234, 248, 0.12);
  backdrop-filter: blur(8px);
}

.education-card h4,
.focus-card h4,
.strategy-card h4 {
  margin: 0;
  color: #ffffff;
}

.education-card p,
.focus-head p,
.strategy-card p {
  margin: 12px 0 0;
  color: rgba(245, 238, 255, 0.82);
  line-height: 1.65;
}

.focus-card {
  margin-top: 16px;
}

.focus-chip-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.focus-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(240, 234, 248, 0.14);
  color: #ffffff;
  font-weight: 600;
}

.strategy-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

@media (max-width: 1120px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    position: static;
  }

  .severity-banner,
  .meter-list,
  .insight-grid,
  .education-grid,
  .strategy-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 18px, 100%);
    margin: 9px auto 18px;
    gap: 16px;
  }

  .hero-panel,
  .section-card,
  .results-card {
    padding: 20px;
    border-radius: 22px;
  }

  .option-grid,
  .demographic-grid,
  .likert-row {
    grid-template-columns: 1fr;
  }

  .likert-option {
    min-height: auto;
    align-items: flex-start;
  }

  .score-highlight {
    align-items: flex-start;
    flex-direction: column;
  }

  .guidance-panel {
    padding: 18px;
    border-radius: 22px;
  }
}