/* Engine styles — layout, question types, progress, results.
   Do not modify per quiz; use theme.css to change branding. */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;
  --color-text: #111111;
  --color-muted: #666666;
  --color-rule: #cccccc;
  --color-accent: #1e3a5f;
  --color-accent-2: #e85a4f;
  --color-low: #b0451c;
  --color-medium: #c68a3f;
  --color-high: #155e68;
  --font-display: sans-serif;
  --font-body: sans-serif;
  --radius: 4px;
  --max-width: 680px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
}

#quiz-root {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 64px;
  min-height: 100vh;
}

#quiz-root.is-loading {
  opacity: 0.6;
  pointer-events: none;
}

.screen-leaving {
  opacity: 0;
  transition: opacity 120ms ease;
}

.screen-entering {
  opacity: 1;
  transition: opacity 200ms ease;
}

/* Progress */

.quiz-progress {
  margin-bottom: 32px;
}

.progress-track {
  height: 3px;
  background: var(--color-rule);
  width: 100%;
}

.progress-fill {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 250ms ease;
}

/* Static screen (intro) */

.static-screen {
  text-align: left;
}

.static-logo {
  height: 32px;
  margin-bottom: 40px;
}

.static-screen h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.15;
  margin: 0 0 16px;
}

.static-subtitle {
  font-size: 18px;
  font-style: italic;
  color: var(--color-muted);
  margin: 0 0 20px;
}

.static-screen p {
  font-size: 16px;
  margin: 0 0 20px;
}

.feature-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  border-top: 1px solid var(--color-rule);
}

.feature-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-rule);
  font-size: 16px;
}

.static-footer {
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-muted);
}

/* Questions */

.question-area-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.question-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.25;
  margin: 0 0 28px;
}

.text-input {
  width: 100%;
  font-size: 17px;
  font-family: inherit;
  padding: 14px 4px;
  border: none;
  border-bottom: 2px solid var(--color-rule);
  background: transparent;
  color: var(--color-text);
  border-radius: 0;
}

.text-input:focus {
  outline: none;
  border-bottom-color: var(--color-accent);
}

.text-input.input-error {
  border-bottom-color: var(--color-low);
}

.choice-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-rule);
}

.choice-option {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 14px 4px;
  font-size: 16px;
  text-align: left;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-rule);
  color: var(--color-text);
  cursor: pointer;
  width: 100%;
}

.choice-option:hover,
.choice-option:focus-visible {
  background: var(--color-bg-alt);
  outline: none;
}

.choice-option--checkbox {
  gap: 12px;
}

.choice-option--checkbox input {
  width: 20px;
  height: 20px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.question-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 32px;
}

.btn-primary {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  padding: 14px 28px;
  min-height: 44px;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-back {
  font-size: 15px;
  color: var(--color-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
}

/* Email capture */

.capture-screen h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  margin: 0 0 12px;
}

.capture-body {
  color: var(--color-muted);
  margin: 0 0 28px;
}

.capture-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 18px;
}

.capture-form input[type="text"],
.capture-form input[type="email"] {
  display: block;
  width: 100%;
  font-size: 16px;
  font-family: inherit;
  padding: 12px 4px;
  margin-top: 6px;
  border: none;
  border-bottom: 2px solid var(--color-rule);
  background: transparent;
  color: var(--color-text);
}

.capture-form input[type="text"]:focus,
.capture-form input[type="email"]:focus {
  outline: none;
  border-bottom-color: var(--color-accent);
}

.consent-label {
  display: flex !important;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400 !important;
}

.consent-label input {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

/* Results */

.results-logo {
  height: 28px;
  margin-bottom: 32px;
}

.results-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  margin: 0 0 20px;
}

.results-copy p {
  font-size: 16px;
  margin: 0 0 16px;
}

.results-diagram {
  margin: 32px 0;
}

.results-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

.primary-constraint {
  border-top: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  padding: 20px 0;
  margin: 32px 0;
}

.primary-constraint-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.primary-constraint-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  margin-bottom: 8px;
}

.primary-constraint-desc p {
  margin: 0;
  color: var(--color-text);
}

.area-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 32px 0;
}

.area-card {
  border-left: 4px solid var(--color-rule);
  padding: 4px 0 4px 16px;
}

.area-card--low {
  border-left-color: var(--color-low);
}

.area-card--medium {
  border-left-color: var(--color-medium);
}

.area-card--high {
  border-left-color: var(--color-high);
}

.area-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.area-card-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
}

.area-card-score {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
}

.area-card-status {
  font-size: 13px;
  color: var(--color-muted);
  margin: 2px 0 8px;
}

.area-card-desc p {
  margin: 0;
  font-size: 15px;
  color: var(--color-text);
}

.results-closing {
  margin-top: 8px;
}

.results-cta {
  margin-top: 40px;
  text-align: left;
}

@media (min-width: 700px) {
  .static-screen h1,
  .results-title {
    font-size: 38px;
  }

  .question-text {
    font-size: 30px;
  }
}