:root {
  --diagnostic-panel: rgba(183, 200, 225, 0.045);
  --diagnostic-accent-soft: rgba(0, 209, 255, 0.075);
  --diagnostic-danger: #ffb4a8;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.diagnostic-intro h1 {
  max-width: 14ch;
}

.diagnostic-intro .lead {
  max-width: 760px;
}

.diag-info-section .info-panel h2 {
  margin-bottom: 12px;
  color: var(--text-strong);
  font-size: 20px;
}

.tool-section {
  padding-top: var(--section-plain-top);
  padding-bottom: var(--section-plain-bottom);
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 4vw, 28px);
  align-items: start;
}

.context-form {
  max-width: 860px;
  margin: 0 auto;
}

.context-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.context-grid .field {
  margin: 0;
}

.context-grid .field.full {
  grid-column: 1 / -1;
}

.context-grid label {
  display: block;
  margin-bottom: 7px;
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 700;
}

.context-grid .opt {
  color: var(--muted);
  font-weight: 500;
}

.context-grid input,
.context-grid select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.42);
  color: var(--text-strong);
}

.context-grid input:focus,
.context-grid select:focus {
  border-color: var(--accent);
  outline: 2px solid rgba(0, 209, 255, 0.15);
  outline-offset: 1px;
}

.form-validation {
  min-height: 20px;
  margin-top: 12px;
  color: var(--diagnostic-danger);
  font-size: 14px;
}

.diagnostic-privacy,
.save-status {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.diagnostic-privacy {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.28);
}

.diagnostic-privacy a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.save-status {
  min-height: 20px;
}

.save-status:empty {
  display: none;
}

.selector-panel,
.context-panel,
.questions-panel,
.result-panel {
  min-width: 0;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--diagnostic-panel);
}

.selector-panel,
.context-panel,
.questions-panel {
  padding: clamp(18px, 3vw, 24px);
}

.result-panel {
  min-height: 260px;
  padding: clamp(18px, 3vw, 28px);
}

.panel-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.step-label {
  display: grid;
  flex: none;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
}

.panel-head h2,
.empty-result h2 {
  color: var(--text-strong);
  font-size: 20px;
  line-height: 1.2;
}

.panel-head p,
.empty-result p,
.state-message,
.quiz-empty p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.state-message {
  margin-bottom: 12px;
}

.needs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.need-card {
  display: flex;
  width: 100%;
  min-height: 78px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.28);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition:
    border-color 0.16s ease,
    background 0.16s ease,
    transform 0.16s ease;
}

.need-card:hover,
.need-card.is-selected {
  border-color: var(--accent);
  background: var(--diagnostic-accent-soft);
}

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

.need-card.is-selected {
  box-shadow: inset 0 0 0 1px rgba(0, 209, 255, 0.22);
}

.need-card strong {
  display: block;
  color: var(--text-strong);
  font-size: 15px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.need-detail-panel {
  margin-top: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.32);
}

.need-detail-panel h3 {
  color: var(--text-strong);
  font-size: 15px;
  line-height: 1.35;
}

.need-detail-panel p {
  max-width: 820px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

#diagnostic-form,
#questions-list {
  min-width: 0;
}

.quiz-empty {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.26);
}

.question-group {
  min-width: 0;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(18px, 3vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.3);
}

.quiz-progress {
  display: flex;
  margin-bottom: 12px;
}

.quiz-progress span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid rgba(0, 209, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(0, 209, 255, 0.055);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.question-title {
  display: block;
  max-width: 54ch;
  color: var(--text-strong);
  font-size: clamp(18px, 2.3vw, 24px);
  font-weight: 800;
  line-height: 1.25;
}

.option-grid {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.option-label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.35);
  cursor: pointer;
  overflow-wrap: anywhere;
}

.option-label:has(input:checked) {
  border-color: rgba(0, 209, 255, 0.5);
  background: rgba(0, 209, 255, 0.07);
}

.option-label input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--accent);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.primary-action,
.ghost-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: var(--radius);
  font-weight: 700;
  cursor: pointer;
}

.primary-action {
  border: 0;
  padding: 0 20px;
  background: var(--accent);
  color: var(--navy);
}

.ghost-action {
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text-strong);
}

.result-header,
.empty-result {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.result-header {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.result-eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.result-header h2 {
  margin-top: 2px;
  color: var(--text-strong);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.2;
}

.result-reading {
  max-width: 760px;
  padding: 22px 0;
}

.conditions-considered {
  max-width: 860px;
  padding: 0 0 22px;
}

.conditions-considered h3 {
  color: var(--text-strong);
  font-size: 18px;
  line-height: 1.3;
}

.conditions-considered > p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.conditions-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.condition-group {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.26);
}

.condition-group h4 {
  margin: 0;
  color: var(--text-strong);
  font-size: 14px;
  line-height: 1.35;
}

.condition-group p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.result-reading h3,
.result-card h3 {
  color: var(--text-strong);
  font-size: 18px;
  line-height: 1.3;
}

.result-reading p,
.result-card p {
  margin-top: 8px;
  color: var(--text);
  overflow-wrap: anywhere;
}

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

.result-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.26);
}

.continuity-card {
  border-color: rgba(0, 209, 255, 0.32);
  background: rgba(0, 209, 255, 0.055);
}

.result-list {
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.result-item {
  position: relative;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 20, 42, 0.34);
  overflow-wrap: anywhere;
}

.is-sequence {
  counter-reset: result-step;
}

.is-sequence .result-item {
  padding-left: 48px;
  counter-increment: result-step;
}

.is-sequence .result-item::before {
  content: counter(result-step);
  position: absolute;
  left: 14px;
  top: 12px;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
}

.result-item strong {
  display: block;
  color: var(--text-strong);
}

.result-item span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
}

.result-cta {
  display: flex;
  margin-top: 20px;
}

.result-contact {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding: 20px;
  border: 1px solid rgba(0, 209, 255, 0.32);
  border-radius: var(--radius);
  background: rgba(0, 209, 255, 0.055);
}

.result-contact h3 {
  color: var(--text-strong);
  font-size: 18px;
}

.result-contact p {
  max-width: 680px;
  margin-top: 6px;
  color: var(--text);
}

.error-message {
  border-color: rgba(255, 180, 168, 0.5);
  color: var(--diagnostic-danger);
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .site-header {
    gap: 16px;
  }

  .header-nav {
    gap: 18px;
  }

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

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

@media (max-width: 560px) {
  .diagnostic-intro h1 {
    max-width: 12ch;
  }

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

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

  .context-grid .field.full {
    grid-column: auto;
  }

  .result-contact {
    display: grid;
  }

  .result-header,
  .empty-result {
    display: block;
  }

  .result-header .step-label,
  .empty-result .step-label {
    margin-bottom: 12px;
  }

  .form-actions .primary-action,
  .form-actions .ghost-action,
  .result-cta .primary-action {
    width: 100%;
  }
}