.p9-credit-trigger {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9998;
  border: 1px solid #ffcf55;
  border-radius: 999px;
  padding: 12px 18px;
  color: #fff;
  background: linear-gradient(135deg, #a40000, #e71919 55%, #8e0000);
  box-shadow: 0 10px 32px rgba(229, 25, 25, .38), inset 0 1px 0 rgba(255, 255, 255, .28);
  font: 800 16px/1.2 "Noto Sans Thai", system-ui, sans-serif;
  cursor: pointer;
}

.p9-credit-trigger:hover,
.p9-credit-trigger:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 13px 36px rgba(229, 25, 25, .5), 0 0 0 3px rgba(255, 207, 85, .2);
  outline: none;
}

.p9-credit-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0, 0, 0, .82);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s ease, visibility .22s ease;
}

.p9-credit-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.p9-credit-dialog {
  position: relative;
  width: min(520px, 100%);
  max-height: calc(100vh - 32px);
  overflow: auto;
  border: 1px solid rgba(255, 204, 76, .82);
  border-radius: 20px;
  padding: 8px;
  background: linear-gradient(145deg, #16100c, #030303 58%, #240000);
  box-shadow: 0 24px 90px rgba(0, 0, 0, .78), 0 0 38px rgba(255, 51, 25, .2);
  transform: translateY(18px) scale(.97);
  transition: transform .22s ease;
}

.p9-credit-overlay.is-open .p9-credit-dialog {
  transform: translateY(0) scale(1);
}

.p9-credit-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 13px;
}

.p9-credit-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 216, 113, .9);
  border-radius: 50%;
  color: #fff;
  background: rgba(0, 0, 0, .78);
  font: 700 25px/1 system-ui, sans-serif;
  cursor: pointer;
}

.p9-credit-close:hover,
.p9-credit-close:focus-visible {
  color: #ffdd7b;
  outline: 2px solid #ffdd7b;
  outline-offset: 2px;
}

.p9-credit-cta {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  margin: 10px 4px 4px;
  border: 1px solid #ffdc72;
  border-radius: 14px;
  padding: 12px 20px;
  color: #fff;
  background: linear-gradient(180deg, #f02921, #a60000);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .28), 0 8px 24px rgba(209, 0, 0, .3);
  text-align: center;
  text-decoration: none;
  font: 900 20px/1.25 "Noto Sans Thai", system-ui, sans-serif;
}

.p9-credit-cta:hover,
.p9-credit-cta:focus-visible {
  color: #fff4c7;
  filter: brightness(1.1);
  outline: 2px solid #ffdc72;
  outline-offset: 2px;
}

body.p9-modal-open {
  overflow: hidden;
}

@media (max-width: 560px) {
  .p9-credit-overlay { padding: 10px; }
  .p9-credit-dialog { max-height: calc(100vh - 20px); border-radius: 16px; }
  .p9-credit-close { top: 13px; right: 13px; width: 36px; height: 36px; font-size: 22px; }
  .p9-credit-cta { min-height: 50px; font-size: 18px; }
  .p9-credit-trigger { right: 12px; bottom: 76px; padding: 11px 15px; font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  .p9-credit-overlay,
  .p9-credit-dialog,
  .p9-credit-trigger { transition: none; }
}