/* =============================================
   SUPPORT / DONATE — header button + popup modal
   ============================================= */

/* ── Header CTA button ─────────────────────────── */
.header-support-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 40px;
  padding: 0 0.9rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1;
  color: #fff;
  /* Fallback solid fill where color-mix is unsupported */
  background: var(--primary-color, #E53935);
  background: linear-gradient(
    135deg,
    var(--primary-color, #E53935) 0%,
    color-mix(in srgb, var(--primary-color, #E53935) 68%, #000) 100%
  );
  box-shadow: 0 4px 14px color-mix(in srgb, var(--primary-color, #E53935) 40%, transparent);
  transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.header-support-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.header-support-btn svg {
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .header-support-btn {
    width: 40px;
    padding: 0;
    justify-content: center;
  }
  .header-support-label {
    display: none;
  }
}

/* ── Modal ─────────────────────────────────────── */
body.gh-support-lock {
  overflow: hidden;
}

.gh-support-modal {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.gh-support-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.gh-support-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.gh-support-dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 2.1rem 1.75rem 1.6rem;
  text-align: center;
  border-radius: 20px;
  color: var(--text-color, #fff);
  background: var(--card-background, #1b1820);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  transform: translateY(16px) scale(0.96);
  transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.gh-support-modal.is-open .gh-support-dialog {
  transform: none;
}

.gh-support-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: inherit;
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.2s ease;
}

.gh-support-close:hover {
  background: rgba(255, 255, 255, 0.18);
}

.gh-support-emblem {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  color: #fff;
  background: var(--primary-color, #E53935);
  background: linear-gradient(
    135deg,
    var(--primary-color, #E53935) 0%,
    color-mix(in srgb, var(--primary-color, #E53935) 62%, #000) 100%
  );
  box-shadow: 0 10px 26px color-mix(in srgb, var(--primary-color, #E53935) 45%, transparent);
}

.gh-support-title {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.gh-support-message {
  margin: 0 0 1.4rem;
  font-size: 0.95rem;
  line-height: 1.55;
  opacity: 0.82;
}

.gh-support-message p {
  margin: 0 0 0.6rem;
}

.gh-support-message p:last-child {
  margin-bottom: 0;
}

.gh-support-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  /* PayPal brand blue */
  background: linear-gradient(135deg, #0070ba 0%, #003087 100%);
  box-shadow: 0 8px 22px rgba(0, 112, 186, 0.4);
  transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
}

.gh-support-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 12px 28px rgba(0, 112, 186, 0.5);
}

.gh-support-btn svg {
  flex-shrink: 0;
}

.gh-support-dismiss {
  display: inline-block;
  margin-top: 0.85rem;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.55;
  font: inherit;
  font-size: 0.85rem;
  text-decoration: underline;
  transition: opacity 0.2s ease;
}

.gh-support-dismiss:hover {
  opacity: 0.9;
}

@media (prefers-reduced-motion: reduce) {
  .gh-support-modal,
  .gh-support-dialog,
  .gh-support-btn,
  .header-support-btn {
    transition: none;
  }
  .gh-support-dialog {
    transform: none;
  }
}