/* ============================================================
   Tyre-page Q&A submission widget
   - JS-hydrated mount on cached pages: skeleton → live form OR
     "sign in to ask" panel, depending on session.
   - Same brand-blue + slate palette as comments.css so the two
     widgets feel like part of one site.
   ============================================================ */

:root {
  --tr-qa-blue:       var(--tyre-reviews-blue, #0db1e7);
  --tr-qa-blue-dark:  var(--tyre-reviews-blue-dark, #0a9bcc);
  --tr-qa-author:     #1e293b;
  --tr-qa-meta:       #64748b;
  --tr-qa-body:       #334155;
  --tr-qa-bd:         #cbd5e1;
  --tr-qa-soft:       #f8fafc;
  --tr-qa-bg:         #ffffff;
  --tr-qa-shadow:     0 4px 6px -1px rgba(15, 23, 42, 0.08),
                      0 10px 20px -2px rgba(15, 23, 42, 0.06);
}

[data-bs-theme="dark"] {
  --tr-qa-author:     #e7eaee;
  --tr-qa-meta:       #94a3b8;
  --tr-qa-body:       #d8dde2;
  --tr-qa-bd:         #2b333a;
  --tr-qa-soft:       #161b1f;
  --tr-qa-bg:         #0f1418;
  --tr-qa-shadow:     0 1px 3px rgba(0,0,0,0.4);
}

/* ---------- Mount + skeleton ---------- */
.tr-qa-form-mount,
.tr-qa-form,
.tr-qa-signin {
  background: var(--tr-qa-bg);
  border: 1px solid var(--tr-qa-bd);
  border-radius: 12px;
  box-shadow: var(--tr-qa-shadow);
  padding: 1.25rem 1.4rem;
  position: relative;
  box-sizing: border-box;
}
.tr-qa-form-mount *,
.tr-qa-form *,
.tr-qa-signin * { box-sizing: border-box; }

.tr-qa-form::before,
.tr-qa-signin::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 3px;
  background: var(--tr-qa-blue);
  border-top-left-radius: 12px;
  border-bottom-left-radius: 12px;
}

.tr-qa-form-skeleton {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 9rem;
}
.tr-qa-skeleton-bar,
.tr-qa-skeleton-textarea,
.tr-qa-skeleton-button {
  background: linear-gradient(90deg,
    rgba(13, 177, 231, 0.08) 0%,
    rgba(13, 177, 231, 0.18) 50%,
    rgba(13, 177, 231, 0.08) 100%);
  background-size: 200% 100%;
  animation: tr-qa-shimmer 1.4s linear infinite;
  border-radius: 6px;
}
.tr-qa-skeleton-bar      { height: 1.4rem; width: 9rem; }
.tr-qa-skeleton-textarea { height: 5rem; }
.tr-qa-skeleton-button   { height: 2.4rem; width: 11rem; }
@keyframes tr-qa-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.tr-qa-noscript {
  padding: 0.85rem 1rem;
  background: rgba(13, 177, 231, 0.08);
  border-left: 3px solid var(--tr-qa-blue);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--tr-qa-author);
}
.tr-qa-noscript a { color: var(--tr-qa-blue); font-weight: 600; }

.tr-qa-form-error {
  padding: 1rem;
  background: rgba(192, 57, 43, 0.08);
  border: 1px solid rgba(192, 57, 43, 0.25);
  border-radius: 6px;
  color: #c0392b;
  font-size: 0.9rem;
  margin: 0;
}
.tr-qa-form-error a { color: #c0392b; text-decoration: underline; }

/* ---------- Sign-in panel ---------- */
.tr-qa-signin-head,
.tr-qa-form-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.65rem;
}
.tr-qa-signin-icon,
.tr-qa-form-icon {
  color: var(--tr-qa-blue);
  font-size: 1.15rem;
}
.tr-qa-signin-title,
.tr-qa-form-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--tr-qa-author);
  letter-spacing: 0.01em;
}
.tr-qa-signin-pitch {
  margin: 0 0 0.95rem;
  font-size: 0.92rem;
  color: var(--tr-qa-author);
  line-height: 1.5;
}
.tr-qa-signin-pitch strong { font-weight: 600; }
.tr-qa-signin-why {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.83rem;
  color: var(--tr-qa-meta);
  font-weight: 400;
}
.tr-qa-signin-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* ---------- Logged-in form ---------- */
.tr-qa-form-as {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--tr-qa-meta);
  margin-bottom: 0.7rem;
}
.tr-qa-form-as i { color: var(--tr-qa-blue); font-size: 1rem; }
.tr-qa-form-as strong { color: var(--tr-qa-author); font-weight: 600; }

.tr-qa-form-textarea {
  display: block;
  width: 100%;
  min-height: 120px;
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.85rem;
  border: 1px solid var(--tr-qa-bd);
  border-radius: 6px;
  background: var(--tr-qa-bg);
  font: inherit;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--tr-qa-author);
  resize: vertical;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.tr-qa-form-textarea::placeholder { color: var(--tr-qa-meta); opacity: 0.7; }
.tr-qa-form-textarea:focus {
  outline: 0;
  border-color: var(--tr-qa-blue);
  box-shadow: 0 0 0 3px rgba(13, 177, 231, 0.15);
}

.tr-qa-form-footer {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  flex-wrap: wrap;
}
.tr-qa-form-status {
  font-size: 0.85rem;
  color: var(--tr-qa-meta);
}
.tr-qa-form-status.is-error   { color: #c0392b; font-weight: 500; }
.tr-qa-form-status.is-success { color: #15803d; font-weight: 500; }

/* ---------- Buttons (shared) ---------- */
.tr-qa-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.2rem;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
}
.tr-qa-btn--primary {
  background: var(--tr-qa-blue);
  color: #fff;
  border-color: var(--tr-qa-blue);
  box-shadow: 0 2px 4px rgba(13, 177, 231, 0.25);
}
.tr-qa-btn--primary:hover {
  background: var(--tr-qa-blue-dark);
  border-color: var(--tr-qa-blue-dark);
  color: #fff;
  box-shadow: 0 3px 8px rgba(10, 155, 204, 0.35);
}
.tr-qa-btn--primary:active { transform: translateY(1px); }
.tr-qa-btn--primary:disabled { opacity: 0.6; cursor: wait; box-shadow: none; }
.tr-qa-btn--ghost {
  background: var(--tr-qa-bg);
  color: var(--tr-qa-meta);
  border-color: var(--tr-qa-bd);
}
.tr-qa-btn--ghost:hover {
  background: var(--tr-qa-soft);
  color: var(--tr-qa-author);
  border-color: var(--tr-qa-meta);
}

/* ---------- Mobile ---------- */
@media (max-width: 540px) {
  .tr-qa-form-mount,
  .tr-qa-form,
  .tr-qa-signin {
    padding: 1rem 1.1rem;
    border-radius: 10px;
  }
  .tr-qa-submit { width: 100%; justify-content: center; }
}