/* Support pages (openvolley.app/support, rendered by support/build.mjs), on
 * top of landing.css and legal.css (language switch, table of contents).
 * The same volleyui look: a hero card with the search, then one white card
 * per help section (video, questions), the guides and the contact form.
 * Red only for the one primary action per surface (Contact support, Send).
 */

:root {
  /* Text fields and choices: 3.4:1 on white, for WCAG 1.4.11 (stone-300 is 1.5:1) */
  --input-border: #8f8984;
  --red-50: #fef2f2;
  --red-200: #fecaca;
  --red-700: #b91c1c;
  --red-800: #991b1b;
  --emerald-600: #059669;
}

/* The form, its errors and the file list have their own display */
[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Hero with the search ---------- */

.support-hero {
  padding: 20px;
  border-radius: 24px;
  box-shadow: var(--shadow-card-lg);
}

.support-hero h1 {
  margin: 6px 0 0;
  font-size: 26px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--stone-900);
}

.support-hero .lead {
  margin: 10px 0 0;
  max-width: 40rem;
  font-size: 15px;
  line-height: 1.6;
  color: var(--stone-600);
}

.search {
  position: relative;
  max-width: 32rem;
  margin-top: 16px;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 14px;
  color: var(--stone-500);
  pointer-events: none;
}

.search input {
  width: 100%;
  height: 44px;
  padding: 0 14px 0 40px;
  border: 1px solid var(--input-border);
  border-radius: 12px;
  background: #fff;
  font: inherit;
  font-size: 15px;
  color: var(--stone-900);
}

.search input::placeholder,
.field input::placeholder,
.field textarea::placeholder {
  color: var(--stone-500);
}

.support-hero .actions {
  margin-top: 16px;
}

/* ---------- Layout: contents beside the sections from lg ---------- */

.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-top: 24px;
}

.support-content {
  min-width: 0;
}

.toc .toc-sep {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--stone-100);
}

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

.search-status {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--stone-600);
}

.search-status a {
  color: var(--stone-800);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--stone-300);
  text-underline-offset: 3px;
}

/* ---------- One help section ---------- */

.help-sections {
  display: grid;
  gap: 16px;
}

.help-section {
  padding: 16px;
  scroll-margin-top: 16px;
}

.help-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}

.help-head h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--stone-900);
}

.help-video {
  margin: 14px 0 0;
}

.help-video video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: var(--stone-900);
}

.help-video figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--stone-500);
}

.help-video .chip {
  min-height: 24px;
  font-variant-numeric: tabular-nums;
}

.faq-title {
  margin: 18px 0 2px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--stone-500);
}

.faq-item {
  border-bottom: 1px solid var(--stone-100);
  scroll-margin-top: 16px;
}

.faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  cursor: pointer;
  list-style: none;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--stone-900);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  margin-top: 2px;
  color: var(--stone-500);
  transition: transform 150ms;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-item p {
  margin: -2px 0 0;
  padding-bottom: 14px;
  max-width: 44rem;
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone-700);
}

.faq-item a,
.help-screens a,
.consent a,
.section-lead a,
.downloads-card a,
.app-links a,
.form-alert a {
  color: var(--stone-800);
  text-decoration: underline;
  text-decoration-color: var(--stone-300);
  text-underline-offset: 3px;
  transition: text-decoration-color 150ms;
  overflow-wrap: anywhere;
}

.faq-item a:hover,
.consent a:hover,
.section-lead a:hover,
.downloads-card a:hover,
.app-links a:hover {
  text-decoration-color: var(--stone-600);
}

.help-screens {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--stone-500);
}

.help-screens .icon {
  width: 14px;
  height: 14px;
  margin-top: 1px;
  color: var(--stone-400);
}

.help-screens strong {
  font-weight: 500;
  color: var(--stone-700);
}

/* While searching: only the matching questions, no videos */
.is-searching .help-video,
.is-searching .help-screens {
  display: none;
}

.is-searching .help-sections {
  gap: 12px;
}

/* ---------- Guides, downloads, which app ---------- */

.support-block .card + .card {
  margin-top: 16px;
}

.support-block .section-head {
  scroll-margin-top: 16px;
}

.downloads-card {
  padding: 16px;
}

.downloads-card h3,
.card-title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--stone-900);
}

.downloads-card p {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--stone-600);
}

.downloads-card .actions {
  margin-top: 12px;
}

.card-title {
  padding: 16px 16px 4px;
}

.app-rows {
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
}

.app-row + .app-row {
  border-top: 1px solid var(--stone-100);
}

.app-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 500;
}

/* ---------- Contact form ---------- */

.contact-card {
  padding: 16px;
}

.contact-form {
  display: grid;
  gap: 18px;
  max-width: 40rem;
}

.field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field > label:not(.btn),
.field > legend,
.field > .label {
  display: block;
  margin-bottom: 6px;
  padding: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--stone-800);
}

.optional {
  font-weight: 400;
  color: var(--stone-500);
}

.field input[type="email"],
.field input[type="text"],
.field select,
.field textarea {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--input-border);
  border-radius: 12px;
  background: #fff;
  font: inherit;
  font-size: 15px;
  line-height: 1.45;
  color: var(--stone-900);
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field select {
  appearance: none;
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2378716c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px 16px;
  cursor: pointer;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--brand);
}

.field-hint {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--stone-500);
}

.field-error {
  display: flex;
  gap: 6px;
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 500;
  color: var(--red-700);
}

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.choice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px 0 12px;
  border: 1px solid var(--input-border);
  border-radius: 10px;
  background: #fff;
  font-size: 14px;
  color: var(--stone-800);
  cursor: pointer;
}

.choice input {
  margin: 0;
  accent-color: var(--slate-900);
}

.choice:has(input:checked) {
  border-color: var(--slate-900);
  background: var(--stone-50);
  font-weight: 500;
}

.choice:has(input:focus-visible),
.file-button:has(input:focus-visible) {
  box-shadow: 0 0 0 1px #fff, 0 0 0 3px var(--focus);
}

.file-button {
  position: relative;
  cursor: pointer;
}

.file-button input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-list {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.file-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 40px;
  padding: 4px 4px 4px 12px;
  border-radius: 10px;
  background: var(--stone-100);
  font-size: 13px;
  color: var(--stone-800);
}

.file-list .file-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list .file-size {
  flex: none;
  color: var(--stone-500);
  font-variant-numeric: tabular-nums;
}

.file-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--stone-600);
  cursor: pointer;
}

.file-remove:hover {
  background: var(--stone-200);
  color: var(--stone-900);
}

/* The honeypot: off screen, out of the tab order, hidden from screen readers */
.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.consent {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--stone-600);
}

.form-alert {
  padding: 12px 14px;
  border: 1px solid var(--red-200);
  border-radius: 12px;
  background: var(--red-50);
  font-size: 13px;
  line-height: 1.55;
  color: var(--red-800);
}

.form-alert p {
  margin: 0;
}

.form-alert p + p {
  margin-top: 6px;
}

.form-alert a {
  color: var(--red-800);
  font-weight: 600;
  text-decoration-color: var(--red-200);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.form-actions .btn {
  border: 0;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.btn[disabled] {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Sending; without JavaScript Send stays disabled */
[aria-busy="true"] .btn[disabled] {
  cursor: progress;
}

.form-done {
  max-width: 40rem;
  padding: 4px 0;
  outline: none;
}

.form-done .done-icon {
  width: 32px;
  height: 32px;
  color: var(--emerald-600);
}

.form-done h3 {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--stone-900);
}

.form-done p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone-700);
}

.form-done .btn {
  margin-top: 16px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

/* ---------- Breakpoints ---------- */

@media (min-width: 640px) {
  .support-hero {
    padding: 32px;
  }

  .support-hero h1 {
    font-size: 34px;
  }

  .help-section,
  .contact-card {
    padding: 20px 24px 24px;
  }

  .downloads-card {
    padding: 20px;
  }

  .card-title {
    padding: 20px 20px 4px;
  }

  .app-row {
    padding: 12px 20px;
  }
}

@media (min-width: 1024px) {
  .support-layout {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: 24px;
  }

  .support-hero {
    padding: 40px;
  }

  .support-hero h1 {
    font-size: 38px;
  }
}

@media print {
  .search,
  .support-hero .actions,
  .help-video,
  .help-head .btn,
  #contact {
    display: none;
  }
}