/* EMF Conduct Form — EMF 2026 dark theme, self-hosted fonts */

/* -------------------------------------------------------------------------
   Fonts
   ------------------------------------------------------------------------- */

@font-face {
  font-family: "Raleway";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/static/fonts/raleway-400.woff2") format("woff2");
}

@font-face {
  font-family: "Raleway";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/static/fonts/raleway-600.woff2") format("woff2");
}

@font-face {
  font-family: "Raleway";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/static/fonts/raleway-700.woff2") format("woff2");
}

@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/static/fonts/open-sans-400.woff2") format("woff2");
}

@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/static/fonts/open-sans-500.woff2") format("woff2");
}

/* -------------------------------------------------------------------------
   Design tokens — EMF 2026 palette
   ------------------------------------------------------------------------- */

:root {
  /* Brand */
  --emf-orange:      #f77f02;
  --emf-coral:       #f5515e;
  --emf-yellow:      #f9e200;
  --emf-green:       #2ae28c;
  --emf-light-blue:  #2eadd9;
  --emf-mid-blue:    #005d96;
  --emf-dark-blue:   #000730;

  /* Surface */
  --color-surface:         #0f0f0f;
  --color-surface-input:   #272727;
  --color-surface-raised:  #343434;
  --color-surface-header:  #0d0e0e;
  --color-surface-footer:  #0d0e0e;

  /* Text */
  --color-on-surface:      #dcdcdc;
  --color-on-surface-dim:  #999999;
  --color-heading:         #ffffff;

  /* Accent */
  --color-primary:         var(--emf-orange);
  --color-primary-hover:   #d96e02;
  --color-on-primary:      #000000;
  --color-primary-muted:   rgba(247, 127, 2, 0.15);

  /* Semantic */
  --color-outline:         var(--emf-mid-blue);
  --color-outline-dim:     #1a3a5c;
  --color-error:           var(--emf-coral);
  --color-error-muted:     rgba(245, 81, 94, 0.15);
  --color-success:         var(--emf-green);
  --color-success-muted:   rgba(42, 226, 140, 0.12);
  --color-warning-bg:      #7a4000;
  --color-warning-text:    #f9c97a;

  /* Typography */
  --font-heading: "Raleway", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-base:    "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Spacing */
  --radius:    4px;
  --radius-lg: 8px;
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
}

/* -------------------------------------------------------------------------
   Reset / base
   ------------------------------------------------------------------------- */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-on-surface);
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* -------------------------------------------------------------------------
   Skip link
   ------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--space-sm) var(--space-md);
  z-index: 100;
  text-decoration: none;
  font-family: var(--font-base);
}
.skip-link:focus {
  top: 0;
}

/* -------------------------------------------------------------------------
   Header
   ------------------------------------------------------------------------- */

.site-header {
  background-color: var(--color-surface-header);
  padding: var(--space-md);
  border-bottom: 2px solid var(--emf-mid-blue);
}

.home-link {
  color: var(--emf-orange);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.home-link:hover,
.home-link:focus {
  color: var(--color-heading);
  text-decoration: underline;
}

/* -------------------------------------------------------------------------
   Layout
   ------------------------------------------------------------------------- */

.container {
  width: min(80%, 960px);
  min-width: 280px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

/* -------------------------------------------------------------------------
   Alert banners
   ------------------------------------------------------------------------- */

.alert {
  padding: var(--space-md);
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
}

.alert--event {
  background-color: var(--color-warning-bg);
  color: var(--color-warning-text);
  border-left: 4px solid var(--emf-orange);
}

/* -------------------------------------------------------------------------
   Typography
   ------------------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
}

h1 {
  font-size: 1.75rem;
  margin-top: 0;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

h2 {
  font-size: 1.25rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.lead {
  font-size: 1.0625rem;
  color: var(--color-on-surface-dim);
  margin-bottom: var(--space-xl);
}

/* -------------------------------------------------------------------------
   Form sections
   ------------------------------------------------------------------------- */

.form-section {
  border: none;
  border-top: 2px solid var(--emf-mid-blue);
  padding: var(--space-lg) 0 0;
  margin: 0 0 var(--space-xl);
}

.form-section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.section-legend {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--emf-orange);
  padding: 0 0 var(--space-sm);
  margin-bottom: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  font-size: 0.9375rem;
  color: var(--color-on-surface);
}

.required {
  color: var(--emf-coral);
}

/* -------------------------------------------------------------------------
   Inputs
   ------------------------------------------------------------------------- */

.form-control {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  font-family: var(--font-base);
  line-height: 1.5;
  color: var(--color-on-surface);
  background-color: var(--color-surface-input);
  border: 1px solid var(--color-outline-dim);
  border-radius: var(--radius);
  appearance: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--emf-orange);
  box-shadow: 0 0 0 3px rgba(247, 127, 2, 0.25);
}

.form-control:invalid:not(:placeholder-shown) {
  border-color: var(--color-error);
}

.form-control.is-invalid {
  border-color: var(--color-error);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24'%3E%3Cpath fill='%23999999' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  padding-right: var(--space-xl);
}

/* -------------------------------------------------------------------------
   Form layout helpers
   ------------------------------------------------------------------------- */

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.field-hint {
  font-size: 0.875rem;
  color: var(--color-on-surface-dim);
  margin-top: var(--space-xs);
}

.field-error {
  font-size: 0.875rem;
  color: var(--color-error);
  margin-top: var(--space-xs);
  min-height: 1.25rem;
}

.char-count {
  font-size: 0.8125rem;
  color: var(--color-on-surface-dim);
  text-align: right;
  margin-top: var(--space-xs);
}

.char-count.near-limit {
  color: var(--emf-orange);
  font-weight: 500;
}

/* -------------------------------------------------------------------------
   Radio buttons
   ------------------------------------------------------------------------- */

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: 1rem;
}

.radio-label input[type="radio"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--emf-orange);
}

/* -------------------------------------------------------------------------
   Map
   ------------------------------------------------------------------------- */

.map-container {
  border: 1px solid var(--color-outline-dim);
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.map-instruction {
  margin: 0;
  padding: 0.5rem 0.75rem;
  background: var(--emf-dark-blue);
  color: var(--color-on-surface);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* -------------------------------------------------------------------------
   Submit
   ------------------------------------------------------------------------- */

.form-actions {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-outline-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-xl);
  font-size: 1rem;
  font-family: var(--font-heading);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, box-shadow 0.15s ease;
  letter-spacing: 0.02em;
}

.btn--primary {
  background-color: var(--emf-orange);
  color: var(--color-on-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 2px 12px rgba(247, 127, 2, 0.4);
}

.btn--primary:focus {
  outline: 3px solid rgba(247, 127, 2, 0.5);
  outline-offset: 2px;
}

.btn--primary:disabled {
  background-color: #444;
  color: #888;
  cursor: not-allowed;
  box-shadow: none;
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: #000000;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner[hidden] {
  display: none;
  animation: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.submit-status {
  margin-top: var(--space-sm);
  font-size: 0.9375rem;
  min-height: 1.5rem;
}

/* -------------------------------------------------------------------------
   Success page
   ------------------------------------------------------------------------- */

.reference-box {
  background-color: var(--color-success-muted);
  border: 2px solid var(--emf-green);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  text-align: center;
}

.reference-label {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--emf-green);
  margin: 0 0 var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.reference-id {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0 0 var(--space-sm);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.reference-hint {
  font-size: 0.875rem;
  color: var(--color-on-surface-dim);
  margin: 0;
}

.next-steps {
  margin: var(--space-xl) 0;
}

.next-steps ul {
  padding-left: var(--space-lg);
}

.next-steps li {
  margin-bottom: var(--space-sm);
}

/* -------------------------------------------------------------------------
   Accessibility
   ------------------------------------------------------------------------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */

.site-footer {
  background-color: var(--color-surface-footer);
  border-top: 1px solid var(--color-outline-dim);
  padding: var(--space-md);
  margin-top: auto;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--emf-light-blue);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--emf-orange);
  text-decoration: underline;
}

.site-footer span[aria-hidden="true"] {
  color: var(--color-on-surface-dim);
}

/* -------------------------------------------------------------------------
   Accordion
   ------------------------------------------------------------------------- */

.form-details {
  border: 1px solid var(--color-outline-dim);
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
}

.form-details > summary {
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  color: var(--emf-orange);
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  user-select: none;
  border-radius: var(--radius);
}

.form-details > summary::-webkit-details-marker {
  display: none;
}

.form-details > summary::before {
  content: "▶";
  font-size: 0.6875rem;
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.form-details[open] > summary::before {
  transform: rotate(90deg);
}

.form-details > summary:hover,
.form-details > summary:focus-visible {
  background-color: var(--color-primary-muted);
}

.form-details[open] > summary {
  border-bottom: 1px solid var(--color-outline-dim);
  border-radius: var(--radius) var(--radius) 0 0;
}

.form-details-body {
  padding: var(--space-md) var(--space-md) var(--space-xs);
}

/* -------------------------------------------------------------------------
   Contact fields
   ------------------------------------------------------------------------- */

#contact-fields {
  padding: var(--space-sm) 0;
}

/* -------------------------------------------------------------------------
   What happened highlight
   ------------------------------------------------------------------------- */

#what_happened:not(.has-value) {
  background-color: #1a0e00;
  border-color: var(--emf-orange);
}

#what_happened:not(.has-value):focus {
  background-color: #1a0e00;
  border-color: var(--emf-yellow);
  box-shadow: 0 0 0 3px rgba(249, 226, 0, 0.2);
}