*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #16a34a;
  --color-error: #dc2626;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1);
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.container { max-width: 780px; margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header {
  background: var(--color-primary);
  color: #fff;
  padding: 1.25rem 0;
  margin-bottom: 2rem;
}
.site-title { font-size: 1.4rem; font-weight: 700; }

/* Footer */
.site-footer {
  margin-top: 3rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: .875rem;
  text-align: center;
}

/* Survey description */
.survey-description {
  margin-bottom: 2rem;
  color: var(--color-muted);
}

/* Error banner */
.error-banner {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}
.error-banner ul { padding-left: 1.25rem; margin-top: .5rem; }

/* Sections */
.survey-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.survey-heading {
  margin: 0;
  line-height: 1.2;
  color: var(--color-primary);
}
.survey-heading--h1 {
  font-size: 1.65rem;
  padding-bottom: .55rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-primary);
}
.survey-heading--h2 {
  font-size: 1.2rem;
  margin: 1.5rem 0 .85rem;
}
.survey-heading--h3 {
  font-size: 1.05rem;
  margin: 1.1rem 0 .65rem;
  color: var(--color-text);
}
.survey-heading--h4 {
  font-size: .95rem;
  margin: .95rem 0 .5rem;
  color: var(--color-muted);
}
.survey-text {
  margin-bottom: 1rem;
  color: var(--color-muted);
}
.survey-children {
  display: flex;
  flex-direction: column;
}
.survey-accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #f8fafc;
  overflow: hidden;
  margin: .25rem 0 1rem;
}
.survey-accordion > summary {
  list-style: none;
  cursor: pointer;
}
.survey-accordion > summary::-webkit-details-marker {
  display: none;
}
.survey-accordion > summary::after {
  content: '▾';
  margin-left: auto;
  color: var(--color-muted);
  transition: transform .15s ease;
}
.survey-accordion[open] > summary::after {
  transform: rotate(180deg);
}
.survey-accordion__content {
  padding: 1rem 1rem 0.25rem;
}
.survey-accordion[open] {
  background: var(--color-surface);
  box-shadow: var(--shadow);
}
.survey-accordion > summary.survey-heading--h2 {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .95rem 1rem;
  margin: 0;
}
.survey-accordion > summary.survey-heading--h2:hover {
  background: #eff6ff;
}

/* Questions */
.question { margin-bottom: 1.5rem; }
.question--error .question-label span:first-child { color: var(--color-error); }
.question-label {
  display: flex;
  gap: .25rem;
  font-weight: 500;
  margin-bottom: .6rem;
}
.required { color: var(--color-error); }

/* Options */
.options { display: flex; flex-direction: column; gap: .5rem; }
.option {
  display: flex;
  align-items: center;
  gap: .6rem;
  cursor: pointer;
  padding: .4rem .5rem .4rem 1.5rem;
  border-radius: 4px;
  transition: background .15s;
}
.option:hover { background: #f1f5f9; }
.option input[type="radio"],
.option input[type="checkbox"] { accent-color: var(--color-primary); width: 1rem; height: 1rem; }
.options--radio-vertical {
  align-items: flex-start;
}
.options--radio-vertical .option {
  justify-content: flex-start;
  text-align: left;
}
.options--radio-horizontal {
  flex-direction: row;
  flex-wrap: wrap;
  gap: .65rem;
  justify-content: flex-end;
}
.options--radio-horizontal .option {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: right;
}
.options--radio-horizontal .option:hover {
  background: #eff6ff;
}

/* Select */
input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: .55rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--color-surface);
}
input[type="text"]:focus,
input[type="number"]:focus,
select:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }

/* Textarea */
textarea {
  width: 100%;
  padding: .6rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
}
textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }

/* Scale (Vue component) */
.scale {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.scale-label { font-size: .8rem; color: var(--color-muted); max-width: 90px; }
.scale-label--min { text-align: right; }
.scale-label--max { text-align: left; }
.scale-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .2rem;
  cursor: pointer;
  padding: .4rem .6rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  min-width: 2.5rem;
  text-align: center;
  transition: border-color .15s, background .15s;
}
.scale-item:hover { border-color: var(--color-primary); background: #eff6ff; }
.scale-item--selected { border-color: var(--color-primary); background: #dbeafe; font-weight: 700; }
.scale-item input { display: none; }

/* Field error */
.field-error {
  display: block;
  margin-top: .35rem;
  font-size: .85rem;
  color: var(--color-error);
}

/* Form footer */
.form-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: .65rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--secondary { background: var(--color-border); color: var(--color-text); }
.btn--secondary:hover { background: #cbd5e1; }

/* Spinner (HTMX indicator) */
.spinner { display: none; color: var(--color-muted); font-size: .9rem; }
.htmx-request .spinner { display: inline; }
.htmx-request .btn--primary { opacity: .6; pointer-events: none; }

/* Thank-you page */
.thankyou {
  text-align: center;
  padding: 4rem 1rem;
}
.thankyou__icon {
  font-size: 4rem;
  color: var(--color-success);
  margin-bottom: 1rem;
}
.thankyou h2 { font-size: 1.6rem; margin-bottom: 1rem; }
.thankyou p { color: var(--color-muted); margin-bottom: 2rem; }

/* Admin */
.stats-total { margin-bottom: 1.5rem; font-size: 1.1rem; }
.admin-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.admin-section .survey-heading--h1 {
  margin-top: 0;
}
.admin-question { margin-bottom: 1.5rem; }
.admin-question h4 { font-weight: 600; margin-bottom: .75rem; }
.no-data { color: var(--color-muted); font-size: .9rem; }
.bar-chart { display: flex; flex-direction: column; gap: .5rem; }
.bar-row { display: grid; grid-template-columns: 160px 1fr 80px; align-items: center; gap: .6rem; font-size: .9rem; }
.bar-track { background: #e2e8f0; border-radius: 4px; height: 1.1rem; overflow: hidden; }
.bar-fill { background: var(--color-primary); height: 100%; border-radius: 4px; transition: width .4s; }
.bar-pct { color: var(--color-muted); font-size: .8rem; }
.text-answers { padding-left: 1.25rem; color: var(--color-muted); font-size: .9rem; }
.text-answers li { margin-bottom: .35rem; }