.ktm-brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.14);
}

.ktm-brand-title {
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.ktm-brand-sub {
  font-size: 12.5px;
  color: var(--ktm-muted);
  line-height: 1.15;
}

/* Thanh search nằm ngay dưới header, cũng on top */
.global-search-bar-section {
  position: fixed !important;
  top: 68px; /* tương ứng chiều cao header, cần thì chỉnh 60–72px */
  left: 0;
  right: 0;
  z-index: 1190;
  background: rgba(248, 250, 252, 0.92);
  border-bottom: 1px solid rgba(2, 6, 23, 0.06);
  backdrop-filter: blur(10px);
}

/* Mobile chỉnh top nhỏ hơn chút cho dễ thở */
@media (max-width: 768px) {
  .global-search-bar-section {
    top: 60px;
  }
}


/* Đệm nội dung xuống dưới header + thanh search */
body {
  padding-top: 150px; /* nếu thấy thừa/thiếu thì chỉnh 140–170px */
}

/* Footer (premium) */
.ktm-footer {
  margin-top: 32px;
}

.ktm-footer-top {
  padding: 44px 0;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  border-top: 1px solid rgba(2, 6, 23, 0.08);
}

.ktm-footer-brand-title {
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #0f172a;
}

.ktm-footer-brand-sub {
  color: var(--ktm-muted);
  margin-top: 8px;
}

.ktm-footer-col-title {
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 10px;
}

.ktm-footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  color: #0f172a;
}

.ktm-footer-label {
  font-weight: 800;
  color: var(--ktm-primary-2);
}

.ktm-footer-cta {
  font-weight: 700;
}

.ktm-footer-hotline {
  margin-left: 8px;
  color: #dc2626;
  font-weight: 900;
  text-decoration: none;
}

.ktm-footer-hotline:hover {
  color: #b91c1c;
}

.ktm-footer-hotline-note {
  margin-left: 6px;
  color: var(--ktm-muted);
  font-weight: 600;
}

.ktm-footer-link {
  color: var(--ktm-primary-2);
  font-weight: 700;
}

.ktm-footer-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.14);
  color: var(--ktm-primary-2);
  text-decoration: none;
  font-weight: 800;
}

.ktm-footer-pill:hover {
  background: rgba(37, 99, 235, 0.12);
}

.ktm-footer-bottom {
  padding: 18px 0;
  background: #0b1020;
  color: rgba(255, 255, 255, 0.88);
}

.ktm-footer-bottom-link {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-weight: 700;
}

.ktm-footer-bottom-link:hover {
  text-decoration: underline;
}

.ktm-footer-bottom-center {
  text-align: center;
}

.ktm-footer-badge img {
  height: 46px;
  width: auto;
  display: block;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.35));
}

/* Khung ảnh trong dropdown autosuggest (global search) */
.suggestion-thumb {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}


.suggestion-thumb-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain; /* giữ nguyên tỉ lệ, không cắt ảnh */
}


/* Đưa tất cả overlay modal lên cao hơn header + thanh search */
.modal-overlay,
.video-modal-overlay,
.modal-overlay-full {
  z-index: 100000 !important;
}

/* ================== AI CHAT WIDGET ================== */

/* Nút chat AI (bubble trên Zalo) */
.btn-ai-chat {
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: #fff;
  border: none;
}

.btn-ai-chat i {
  color: #fff;
}

/* Widget chat AI */
.ai-chat-widget {
  position: fixed;
  bottom: 90px;          /* cao hơn cụm icon Zalo/Messenger */
  right: 20px;
  width: 320px;
  max-width: 95vw;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  z-index: 1100;         /* cao hơn .floating-social (999) */
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-size: 0.9rem;
}

/* Header chat */
.ai-chat-header {
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: #fff;
}

.ai-chat-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Body chat */
.ai-chat-body {
  max-height: 260px;
  overflow-y: auto;
  padding-bottom: 8px;
  background: #f8f9fa;
}

/* Bố cục tin nhắn */
.ai-chat-message {
  display: flex;
  margin-bottom: 6px;
}

.ai-chat-message-assistant {
  justify-content: flex-start;
}

.ai-chat-message-user {
  justify-content: flex-end;
}

.ai-chat-bubble {
  border-radius: 12px;
  padding: 6px 10px;
  max-width: 90%;
  line-height: 1.4;
  font-size: 0.88rem;
  white-space: pre-wrap;
}

.ai-chat-message-assistant .ai-chat-bubble {
  background: #ffffff;
  border: 1px solid #e5e7eb;
}

.ai-chat-message-user .ai-chat-bubble {
  background: #0d6efd;
  color: #ffffff;
}

/* Khu nhập liệu */
.ai-chat-input textarea {
  resize: none;
  max-height: 80px;
  font-size: 16px; /* Ngăn mobile auto-zoom khi focus */
}

/* Mobile tối ưu */
@media (max-width: 768px) {
  .ai-chat-widget {
    width: 95vw;
    right: 2.5vw;
    bottom: 80px;
  }
  
  /* Fix mobile zoom khi focus input */
  .ai-chat-input textarea,
  .ai-chat-input input {
    font-size: 16px !important;
  }
}

/* ================== IMAGE MODAL ================== */

.image-modal-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 85vh;
}

.image-modal-img {
  max-width: 90vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  /* Cho phép iOS native long-press menu (Save Image, Copy, etc.) */
  -webkit-touch-callout: default;
  -webkit-user-select: auto;
  user-select: auto;
}

.image-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  color: #333;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  transition: all 0.2s;
}

.image-modal-close:hover {
  background: #fff;
  transform: scale(1.1);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .image-modal-close {
    top: -45px;
    right: 5px;
  }
}

/* AlbumGallery styles */
.album-preview { cursor: pointer; transition: transform .15s ease, box-shadow .15s ease; }
.album-preview:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }

/* Folder card in modal */
.album-folder-card { cursor: pointer; transition: transform .15s ease, box-shadow .15s ease; }
.album-folder-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.12); border-color: #ffc107; }

.album-modal-overlay {
  position: fixed;
  z-index: 2000;
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
}

.album-modal-content {
  width: 95%;
  max-width: 1100px;
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: 10px;
  padding: 18px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

@media (max-width: 576px) {
  .album-modal-overlay {
    padding: 10px;
    align-items: flex-start;
  }
  .album-modal-content {
    width: 100%;
    max-height: none;
    min-height: auto;
    padding: 12px;
    border-radius: 8px;
  }
}

/* Masonry-like columns */
.album-masonry {
  column-count: 3;
  column-gap: 12px;
}
@media (max-width: 992px) { .album-masonry { column-count: 2; } }
@media (max-width: 576px) { 
  .album-masonry { 
    column-count: 1; 
    display: flex;
    flex-direction: column;
    gap: 12px;
  } 
}

.album-masonry-item {
  break-inside: avoid;
  margin-bottom: 12px;
  background: #fff;
  padding: 0;
}
.album-masonry-item img { width: 100%; display: block; border-radius: 8px; cursor: zoom-in; }

/* image fallback modal */
.image-fallback-modal {
  position: fixed; inset: 0; display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.7);z-index:2100;
}
.image-fallback-modal img { max-width: 95%; max-height: 85%; }
.image-fallback-modal .btn-close { position:absolute; top:12px; right:12px; background:#fff; border-radius:20px; padding:6px 10px; border:0; font-size:20px; cursor:pointer; }