.details-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 20px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.details-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.photo-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  background: #f6f1fa;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 6px;
}

.photo-item {
  position: relative;
  border: none;
  padding: 0;
  background: #000;
  cursor: pointer;
  overflow: hidden;
  border-radius: 12px;
}

.photo-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.photo-item:hover img {
  transform: scale(1.03);
}

.photo-item.more span {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  font-weight: 700;
}

.photo-item.hidden {
  display: none;
}

.photo-actions {
  position: absolute;
  right: 14px;
  top: 14px;
  display: flex;
  gap: 8px;
}

.btn-ghost {
  background: #fff;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}

.btn-ghost .bx {
  color: purple;
  font-size: 18px;
}

.photo-actions .fav.is-active {
  background: purple;
}

.photo-actions .fav.is-active .bx {
  color: #fff;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 2000;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  width: min(92vw, 1200px);
  height: min(82vh, 760px);
  object-fit: contain;
  background: #0f0f0f;
  border-radius: 12px;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.lightbox-nav.prev {
  left: 20px;
}

.lightbox-nav.next {
  right: 20px;
}

.chat-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 2100;
}

.chat-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.chat-card {
  width: min(380px, 90vw);
  height: 100%;
  background: #fff;
  border-radius: 16px 0 0 16px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
}

@media (max-width: 768px) {
  .seller-meta-line {
    display: none;
  }

  .chat-card {
    width: 100%;
    border-radius: 0;
  }

  .chat-header {
    position: sticky;
    top: 0;
    z-index: 2;
    background: #fff;
  }

  .chat-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
  }
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid #eee;
}

.chat-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-user strong {
  font-size: 0.95rem;
  line-height: 1.2;
}

.chat-user .avatar {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  background: purple;
  display: grid;
  place-items: center;
}

.chat-user .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.chat-card img {
  max-width: 100%;
  height: auto;
  display: block;
}

.chat-user span {
  display: block;
  font-size: 0.75rem;
  color: #666;
}

.chat-close {
  background: #f3f3f3;
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.chat-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  overflow: auto;
  background: #faf7fc;
  scrollbar-width: none;
}

.chat-body::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.chat-msg {
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.4;
  max-width: 85%;
}

.chat-msg.from {
  background: #fff;
  border: 1px solid #eee;
  align-self: flex-start;
}

.chat-msg.to {
  background: purple;
  color: #fff;
  align-self: flex-end;
}

.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  background: #fff;
  border: 1px solid #eee;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: #9a9a9a;
  border-radius: 50%;
  display: inline-block;
  animation: typingBounce 1s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.15s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes typingBounce {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  40% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.chat-input {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid #eee;
}

.chat-input input {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid #ddd;
  border-radius: 10px;
  outline: none;
}

.chat-input button {
  background: purple;
  color: #fff;
  border: none;
  width: 40px;
  border-radius: 10px;
  cursor: pointer;
}

.reserve-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 2200;
}

.reserve-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.reserve-card {
  width: min(520px, 92vw);
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(128, 0, 128, 0.16);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.reserve-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(128, 0, 128, 0.12);
}

.reserve-close {
  border: none;
  background: #f3f3f3;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.reserve-form {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.reserve-step {
  display: none;
  gap: 10px;
}

.reserve-step.is-active {
  display: flex;
  flex-direction: column;
}

.reserve-step label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: #333;
}

.reserve-step input,
.reserve-step select {
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 10px;
  outline: none;
}

.payment-title {
  font-weight: 700;
}

.payment-flow-note {
  border: 1px solid rgba(128, 0, 128, 0.24);
  background: rgba(128, 0, 128, 0.07);
  border-radius: 10px;
  padding: 10px 12px;
  display: grid;
  gap: 6px;
  margin-top: 4px;
}

.payment-flow-note p {
  margin: 0;
  color: #45295b;
  font-size: 0.86rem;
  line-height: 1.35;
}

.proof-hint {
  margin: 0;
  font-size: 0.86rem;
  color: #5a2a7a;
  background: rgba(128, 0, 128, 0.08);
  border: 1px solid rgba(128, 0, 128, 0.2);
  border-radius: 10px;
  padding: 10px 12px;
}

.pay-choice {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 10px;
  cursor: pointer;
}

.pay-choice input {
  width: auto;
  margin: 0;
}

.payment-fields {
  display: none;
  gap: 10px;
  margin-top: 4px;
}

.payment-fields.is-active {
  display: flex;
  flex-direction: column;
}

.bank-info-box {
  border: 1px solid rgba(128, 0, 128, 0.2);
  background: #f9f4fc;
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bank-info-title {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  color: #5a2a7a;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.bank-info-row {
  margin: 0;
  color: #3f2b4c;
  font-size: 0.92rem;
  line-height: 1.4;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.bank-info-label {
  color: #5a2a7a;
  font-weight: 700;
}

.bank-info-row strong {
  color: #271533;
  font-weight: 900;
}

.copy-bank-btn {
  border: 1px solid rgba(107, 0, 163, 0.32);
  background: #fff;
  color: #5e2485;
  border-radius: 8px;
  padding: 4px 9px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    background 0.16s ease,
    color 0.16s ease,
    border-color 0.16s ease;
}

.copy-bank-btn:hover {
  background: rgba(128, 0, 128, 0.08);
}

.copy-bank-btn.is-copied {
  background: purple;
  border-color: purple;
  color: #fff;
}

.reserve-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

@media (max-width: 768px) {
  .reserve-card {
    width: 100%;
    height: 100%;
    border-radius: 0;
  }

  .payment-bank .bank-info-row {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 4px;
  }

  .payment-bank .copy-bank-btn {
    justify-self: start;
  }
}

.info-card {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(128, 0, 128, 0.15);
}

.info-card h1 {
  margin-bottom: 6px;
}

.info-card .price {
  color: purple;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px 10px;
  margin-bottom: 12px;
}

.meta-grid span {
  display: block;
  color: #777;
  font-size: 0.75rem;
}

.meta-grid strong {
  font-size: 0.85rem;
  color: #222;
}

.desc {
  color: #555;
  line-height: 1.5;
}

.details-extras {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.secure-block,
.key-info {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(128, 0, 128, 0.15);
}

.secure-block h2,
.key-info h2 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.secure-block p {
  color: #555;
  margin-bottom: 10px;
}

.secure-block ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}

.secure-block li {
  display: flex;
  gap: 8px;
  color: #333;
  line-height: 1.4;
}

.secure-block li .bx {
  color: purple;
  font-size: 18px;
  margin-top: 2px;
}

.learn-more {
  color: #1d3b8b;
  font-weight: 600;
  text-decoration: underline;
}

.key-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 20px;
  margin: 10px 0 6px;
}

.key-grid span {
  display: block;
  color: #666;
  font-size: 0.8rem;
  margin-bottom: 4px;
}

.key-grid strong {
  color: #222;
  font-size: 0.95rem;
}

.key-grid .bx {
  color: #444;
  margin-right: 6px;
}

.detail-description {
  background: #fff;
  border-radius: 12px;
  padding: 18px 20px;
  border-top: 1px solid #d9d9d9;
  border-bottom: 1px solid #d9d9d9;
}

.detail-description h2 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.detail-description p {
  color: #444;
  line-height: 1.6;
}

.details-side {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.seller-card {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(128, 0, 128, 0.15);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.seller-head {
  display: flex;
  gap: 12px;
  align-items: center;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: purple;
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.seller-head .avatar {
  overflow: hidden;
}

.seller-head .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.seller-card h3 {
  margin: 0 0 4px 0;
  font-size: 1rem;
}

.rating {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #f4b400;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.rating span {
  color: #444;
  font-size: 0.85rem;
  margin-left: 4px;
}

.verified {
  color: #1d9bf0;
  font-size: 1rem;
  vertical-align: middle;
}

.status {
  display: inline-block;
  background: rgba(128, 0, 128, 0.12);
  color: purple;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 999px;
}

.seller-meta-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.last {
  color: #777;
  font-size: 0.8rem;
  margin: 0;
}

.btn-primary,
.btn-secondary,
.btn-outline {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}

.btn-primary {
  background: purple;
  color: #fff;
  border: none;
}

.btn-secondary {
  background: #0d3b66;
  color: #fff;
  border: none;
}

.btn-outline {
  background: transparent;
  color: #0d3b66;
  border: 1px solid #0d3b66;
}

.secure {
  display: flex;
  gap: 8px;
  align-items: center;
  color: #555;
  font-size: 0.85rem;
}

.seller-card button {
  font-weight: 600;
  letter-spacing: 0.2px;
}

@media (max-width: 900px) {
  .details-page {
    grid-template-columns: 1fr;
  }

  .details-side {
    position: static;
  }

  .meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .photo-item img {
    height: 140px;
  }
}

@media (max-width: 768px) {
  .details-page {
    padding-top: 84px;
    padding-left: 0;
    padding-right: 0;
  }

  .details-main {
    width: 98%;
    margin: 0 auto;
  }

  .photo-card {
    width: 100%;
    margin: 0;
  }

  .learn-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: purple;
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 0.82rem;
    font-weight: 700;
    margin-top: 6px;
  }

  .secure-block li {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2px;
  }

  .secure-block li .bx {
    margin-top: 0;
  }

  .secure-block li strong {
    display: block;
  }

  .secure-block li .secure-desc {
    display: block;
  }

  .info-card h1 {
    font-size: 1.05rem;
    line-height: 1.25;
  }

  .details-side {
    position: fixed;
    top: auto;
    left: 0;
    right: 0;
    bottom: 65px;
    z-index: 1400;
  }

  .btn-outline {
    display: none;
  }

  .seller-meta-line,
  .status,
  .last,
  .secure {
    display: none !important;
  }
}

.reserve-notice {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(20px);
  width: min(92vw, 520px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
  z-index: 2300;
}

.reserve-notice.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.reserve-notice__content {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  color: #1f1f1f;
  border: 1px solid rgba(128, 0, 128, 0.28);
  border-radius: 14px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18);
  padding: 12px 14px;
}

.reserve-notice.is-success .reserve-notice__content {
  border-color: rgba(35, 166, 95, 0.38);
}

.reserve-notice.is-error .reserve-notice__content {
  border-color: rgba(220, 38, 38, 0.38);
}

.reserve-notice__icon {
  font-size: 24px;
  color: purple;
  flex: 0 0 auto;
}

.reserve-notice.is-success .reserve-notice__icon {
  color: #23a65f;
}

.reserve-notice.is-error .reserve-notice__icon {
  color: #dc2626;
}

.reserve-notice__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.4;
  flex: 1;
}

.reserve-notice__close {
  border: none;
  background: #f2f2f2;
  color: #3d3d3d;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex: 0 0 auto;
}

.reserve-notice__close:hover {
  background: #e8e8e8;
}