/* Chemical Industries AI Workshop Survey — styles */

:root {
  --color-primary: #1a4d7c;
  --color-primary-dark: #123556;
  --color-accent: #2e7d5a;
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-border: #d8dee6;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-error: #b91c1c;
  --color-success: #166534;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
  --max-width: 760px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem;
}

header.site-header {
  background: var(--color-primary);
  color: #fff;
  padding: 1.5rem 0;
  margin-bottom: 1.5rem;
}

header.site-header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
}

header.site-header p {
  margin: 0;
  opacity: 0.9;
  font-size: 0.95rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  color: var(--color-primary);
}

.card h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  color: var(--color-primary-dark);
}

.privacy-note {
  background: #eef4fb;
  border-left: 4px solid var(--color-primary);
  padding: 1rem 1.1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.92rem;
  color: #334155;
}

.privacy-note strong {
  display: block;
  margin-bottom: 0.35rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: #e2e8f0;
  color: var(--color-text);
}

.btn-secondary:hover {
  background: #cbd5e1;
}

.btn-success {
  background: var(--color-accent);
  color: #fff;
}

.btn-success:hover {
  background: #256749;
}

.form-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.form-section:last-of-type {
  border-bottom: none;
  margin-bottom: 1rem;
}

.section-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.form-section > legend,
.form-section > h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 1rem;
  padding: 0;
  border: none;
}

.field {
  margin-bottom: 1.25rem;
}

.field label.field-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.field .hint {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}

.field-error {
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: 0.35rem;
  display: none;
}

.field.invalid .field-error {
  display: block;
}

.field.invalid label.field-label {
  color: var(--color-error);
}

.options {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.options-inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  cursor: pointer;
}

.option input {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.scale-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.scale-options .option {
  align-items: center;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fafbfc;
}

.scale-options .option input {
  margin-top: 0;
}

select,
textarea,
input[type="text"] {
  width: 100%;
  max-width: 100%;
  padding: 0.55rem 0.65rem;
  font: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
}

textarea {
  min-height: 90px;
  resize: vertical;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--color-error);
}

.alert-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: var(--color-success);
}

.alert ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.thank-you-icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.admin-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin: 1rem 0 1.5rem;
}

.stat-box {
  background: #eef4fb;
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.stat-box .number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat-box .label {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.login-form {
  max-width: 360px;
}

.login-form .field {
  margin-bottom: 1rem;
}

footer.site-footer {
  padding: 1.25rem 1rem 1.5rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 1.5rem;
}

.site-footer-left {
  flex: 1 1 220px;
}

.site-footer-right {
  flex: 0 0 auto;
  text-align: right;
}

.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin-bottom: 0.35rem;
}

.site-footer-brand {
  display: inline-block;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.site-footer-brand:hover {
  text-decoration: underline;
}

.site-footer-link {
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.site-footer-link:hover {
  text-decoration: underline;
}

.site-footer-sep {
  color: var(--color-muted);
}

.site-footer-company {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.site-footer-note {
  margin: 0;
  line-height: 1.5;
  max-width: 36rem;
}

@media (max-width: 599px) {
  .site-footer-right {
    text-align: left;
  }
}

@media (min-width: 600px) {
  header.site-header h1 {
    font-size: 1.55rem;
  }

  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .card {
    padding: 2rem;
  }
}