:root {
  --md-sys-color-primary: #1a5fb4;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #d8e3ff;
  --md-sys-color-on-primary-container: #001a41;
  --md-sys-color-secondary: #445f8c;
  --md-sys-color-secondary-container: #dbe2f9;
  --md-sys-color-tertiary: #006878;
  --md-sys-color-tertiary-container: #b8ecff;
  --md-sys-color-error: #b3261e;
  --md-sys-color-on-error: #ffffff;
  --md-sys-color-surface: #f8f9ff;
  --md-sys-color-surface-container: #eef2ff;
  --md-sys-color-surface-container-high: #e7ecfb;
  --md-sys-color-surface-container-low: #fdfcff;
  --md-sys-color-outline: #75829d;
  --md-sys-color-outline-variant: #c3c9d8;
  --md-sys-color-on-surface: #172033;
  --md-sys-color-on-surface-variant: #43506b;

  --md-ref-radius-xs: 8px;
  --md-ref-radius-sm: 12px;
  --md-ref-radius-md: 16px;
  --md-ref-radius-lg: 24px;

  --md-elevation-1: 0 1px 2px rgba(12, 34, 72, 0.1), 0 2px 8px rgba(12, 34, 72, 0.08);
  --md-elevation-2: 0 8px 24px rgba(19, 42, 82, 0.12);

  --focus-ring: #0056d6;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  color: var(--md-sys-color-on-surface);
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  line-height: 1.5;
  background:
    radial-gradient(circle at 10% -15%, #d8e7ff 0, transparent 40%),
    radial-gradient(circle at 95% 5%, #ccf1ff 0, transparent 34%),
    linear-gradient(180deg, #f7f9ff 0%, #f2f5fc 100%);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  padding: 0.7rem 1rem;
  border-radius: 0 0 var(--md-ref-radius-sm) var(--md-ref-radius-sm);
  z-index: 999;
}

.skip-link:focus {
  left: 1rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--md-sys-color-surface) 86%, white 14%);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.topbar__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand__eyebrow {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--md-sys-color-on-surface-variant);
}

.brand__title {
  margin: 0.1rem 0 0;
  font-size: clamp(1rem, 1.9vw, 1.2rem);
}

.lang-switch {
  display: inline-flex;
  padding: 0.25rem;
  border-radius: 999px;
  border: 1px solid var(--md-sys-color-outline-variant);
  background: var(--md-sys-color-surface-container-low);
}

.lang-btn {
  border: 0;
  border-radius: 999px;
  min-height: 40px;
  min-width: 72px;
  padding: 0.4rem 0.85rem;
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  font-weight: 700;
}

.lang-btn.is-active {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.layout {
  max-width: 1080px;
  margin: 1.1rem auto 2rem;
  padding: 0 1rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--md-sys-color-surface-container-low);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-ref-radius-lg);
  box-shadow: var(--md-elevation-1);
  padding: 1.2rem;
}

.hero {
  background: linear-gradient(145deg, #eef3ff 0%, #e3f7ff 100%);
  border-color: #c8d8f4;
  box-shadow: var(--md-elevation-2);
}

.hero__eyebrow {
  margin: 0;
  color: var(--md-sys-color-secondary);
  font-weight: 700;
}

.hero__title {
  margin: 0.3rem 0;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
}

.hero__subtitle {
  margin: 0;
  color: var(--md-sys-color-on-surface-variant);
}

.section-lead {
  margin: 0 0 0.8rem;
  color: var(--md-sys-color-on-surface-variant);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.md-field {
  display: grid;
  gap: 0.35rem;
}

.md-field label {
  font-weight: 700;
  color: var(--md-sys-color-on-surface);
}

.md-field input {
  width: 100%;
  min-height: 48px;
  border-radius: var(--md-ref-radius-sm);
  border: 1px solid var(--md-sys-color-outline);
  background: #ffffff;
  color: var(--md-sys-color-on-surface);
  padding: 0.7rem 0.85rem;
  font-size: 1rem;
}

.md-field input:hover {
  border-color: var(--md-sys-color-primary);
}

.md-field input:focus-visible,
button:focus-visible,
.choice input:focus-visible + span {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.hint {
  margin: 0.85rem 0 0;
  color: var(--md-sys-color-on-surface-variant);
}

.error,
.error-summary {
  margin: 0.65rem 0 0;
  border-radius: var(--md-ref-radius-sm);
  border: 1px solid color-mix(in srgb, var(--md-sys-color-error) 45%, white 55%);
  background: color-mix(in srgb, var(--md-sys-color-error) 8%, white 92%);
  color: #7d211d;
  padding: 0.7rem 0.8rem;
  font-weight: 700;
}

.questionnaire-top {
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.progress-wrap {
  min-width: 240px;
  display: grid;
  gap: 0.3rem;
}

.progress-wrap label {
  font-weight: 700;
  color: var(--md-sys-color-on-surface-variant);
}

progress {
  width: 100%;
  height: 12px;
}

.module {
  margin-top: 1rem;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-ref-radius-md);
  background: var(--md-sys-color-surface-container);
  padding: 1rem;
}

.module-title {
  margin: 0;
  font-size: 1.05rem;
}

.question {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px dashed #bfc8de;
  font-family: 'Walter Turncoat', cursive;
}

.question:first-of-type {
  margin-top: 0.5rem;
  border-top: 0;
  padding-top: 0;
}

.question-title {
  margin: 0;
  padding: 0;
  border: 0;
  font-weight: 700;
}

.scale-options {
  margin-top: 0.55rem;
  display: grid;
  gap: 0.45rem;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.choice {
  display: block;
}

.choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice span {
  display: block;
  min-height: 44px;
  border-radius: var(--md-ref-radius-sm);
  border: 1px solid var(--md-sys-color-outline-variant);
  background: #fff;
  color: var(--md-sys-color-on-surface);
  padding: 0.6rem 0.65rem;
  cursor: pointer;
  font-size: 0.92rem;
}

.choice input:checked + span {
  border-color: var(--md-sys-color-primary);
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-primary);
}

.actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.btn {
  min-height: 44px;
  border-radius: 999px;
  padding: 0.5rem 1.05rem;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
}

.btn--filled {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.btn--tonal {
  background: var(--md-sys-color-secondary-container);
  color: #1b2f55;
}

.btn--outlined {
  background: transparent;
  color: var(--md-sys-color-primary);
  border-color: var(--md-sys-color-outline);
}

.btn:hover {
  filter: brightness(0.98);
}

.result-box {
  border-radius: var(--md-ref-radius-md);
  border: 1px solid #98d2de;
  background: #eefaff;
  padding: 0.95rem;
  margin-bottom: 1rem;
}

.result-title {
  margin: 0;
}

.result-meta {
  margin: 0.3rem 0 0;
  color: var(--md-sys-color-on-surface-variant);
}

.warning {
  color: #954f00;
  font-weight: 700;
  margin: 0.45rem 0 0;
}

.bars {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1.1rem;
}

.bar {
  display: grid;
  gap: 0.3rem;
}

.bar-label {
  font-weight: 700;
}

.bar-track {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: #dfe6f7;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #2f7df1 0%, #00a3ad 100%);
}

.recommendation-list {
  margin: 0;
  padding-left: 1.1rem;
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.history-item {
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-ref-radius-md);
  background: #fff;
  padding: 0.8rem;
}

.history-title {
  margin: 0;
  font-weight: 700;
}

.history-meta {
  margin: 0.35rem 0 0;
  color: var(--md-sys-color-on-surface-variant);
}

.history-actions {
  margin-top: 0.65rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.footer {
  max-width: 1080px;
  margin: 0 auto 1.7rem;
  padding: 0 1rem;
  color: var(--md-sys-color-on-surface-variant);
}

.image-reference {
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: var(--md-ref-radius-md);
  border: 2px solid var(--md-sys-color-outline-variant);
  padding: 0.6rem;
  background: var(--md-sys-color-surface-container);
  flex: 1 1 0;
  min-width: 0;
}

.image-reference-label {
  margin: 0 0 0.3rem;
  font-weight: 700;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.9rem;
}

.reference-img {
  width: 100%;
  height: auto;
  border-radius: var(--md-ref-radius-sm);
}

.image-compare-question .image-compare-row {
  margin-top: 0.5rem;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 1rem;
}

.image-compare-question .image-option-caption,
.image-compare-question .image-reference-label {
  font-family: 'Walter Turncoat', cursive;
}

.image-option {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  border-radius: var(--md-ref-radius-md);
  border: 2px solid var(--md-sys-color-outline-variant);
  padding: 0.6rem;
  background: #fff;
  flex: 1 1 0;
  min-width: 0;
}

.image-option:hover {
  border-color: var(--md-sys-color-primary);
}

.image-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-img {
  width: 100%;
  height: auto;
  border-radius: var(--md-ref-radius-sm);
  border: 2px solid transparent;
}

.image-option input:checked + .option-img {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 2px var(--md-sys-color-primary-container);
}

.image-option-caption {
  margin-top: 0.35rem;
  font-weight: 700;
  font-size: 0.9rem;
}

.image-option input:checked ~ .image-option-caption {
  color: var(--md-sys-color-primary);
}

@media (max-width: 760px) {
  .topbar__inner {
    align-items: start;
    flex-direction: column;
  }

  .brand__title {
    font-size: 1rem;
  }

  .card {
    padding: 1rem;
  }
}

@media (max-width: 560px) {
  .scale-options {
    grid-template-columns: 1fr;
  }

  .progress-wrap {
    min-width: 100%;
  }
}