/* =========================================================
   NOHAT 2025 UI SYSTEM
   Style: Flat, Minimal, No shadow, No border-radius
   Optional Dashed borders via .border-dashed classes
   ========================================================= */

:root {
  --cw-navbar-height: 64px;
  --cw-sidebar-width: 237px;

  /* === Brand Colors === */
  --den: #000;
  --den2: #212121;
  --vang: #FFC814;
  --vangnhat: #FFDE14;
  --vangdam: #E6B800;
  --do: #DB1A1A;
  --dodam: #C92424;

  /* === Neutrals === */
  --xam: #E5E5E5;
  --xamdam: #BDBDBD;
  --xamnhat: #FAFAFA;
  --trang: #FFFFFF;

  /* === Accents === */
  --tim: #9B51E0;
  --timnhat: #F8E7FF;
  --xanhdam: #1976D2;
  --xanhnhat: #E3F2FD;

  /* === Dashed Border === */
  --border-dashed: 2px dashed #41403E;
}

/* =========================================================
   GLOBAL BASE
   ========================================================= */
body {
  min-height: 100vh;
  background: var(--trang);
  color: var(--den2);
  font-family: system-ui, sans-serif;
  line-height: 1.7;
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
}

.bg-vang { background: var(--vang) !important; color: var(--den); }
.bg-xam { background: var(--xam); }
.bg-xamnhat { background: var(--xamnhat); }

/* =========================================================
   SIDEBAR
   ========================================================= */
.sidebar2025 {
  position: fixed;           /* giữ sidebar cố định */
  top: var(--cw-navbar-height); /* tránh đè topbar */
  left: 0;
  height: calc(100vh - var(--cw-navbar-height));
  width: var(--cw-sidebar-width);
  overflow-y: auto;
  z-index: 1020;             /* thấp hơn navbar (1030), cao hơn content */
  background-color: var(--trang); /* nền trắng */
}

/* Khi offcanvas chưa kích hoạt (mobile), Bootstrap xử lý tự động */
@media (max-width: 991.98px) {
  .sidebar2025 {
    position: absolute !important;   /* Không chiếm không gian bố cục */
    left: -100%;                     /* đẩy hẳn ra ngoài màn hình */
    width: var(--cw-sidebar-width);  /* vẫn giữ kích thước khi offcanvas mở */
    height: 100vh;
  }

  .offcanvas.show.sidebar2025 {
    left: 0 !important;              /* Khi mở bằng toggle, trượt ra */
    transition: left 0.3s ease;
  }

  .content-wrapper {
    margin-left: 0 !important;
    width: 100% !important;
    flex: 1 1 100%;
  }
}
.sidebar-scrollable { overflow-y: auto; }

.sidebar-nav .nav-link {
  color: var(--den2);
  font-weight: 500;
  border: none;
  border-radius: 0;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
  background: var(--vangnhat);
  color: var(--den);
}
.sidebar2025 h6 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--xamdam);
  margin: 1rem 0 0.5rem;
}

/* =========================================================
   NAVBAR
   ========================================================= */
#searchform_container {  
  background: var(--trang);  
  border-bottom: 1px solid var(--xam);
  transition: margin-left 0.2s ease;
}
.navbar {
  min-height: var(--cw-navbar-height);
  background-color: var(--xamnhat);
  color: var(--den2);
  border-radius: 0;
  box-shadow: none;
  padding: 6px 0;
}

/* Brand */
.navbar .navbar-brand {
  color: var(--den2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  width: var(--cw-sidebar-width);
}
.navbar .navbar-brand:hover { color: var(--vang); }

/* Buttons */
.navbar .btn {
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--den2);
  transition: all 0.15s ease;
}
.navbar .btn:hover {
  color: var(--vang);
}

/* Search */
.navbar .input-group {
  background-color: var(--trang);
  border: none;
  border-radius: 0;
  align-items: center;
  height: 40px;
}
.navbar .input-group-text {
  border: none;
  background: transparent;
  color: var(--den2);
}
.navbar .form-control {
  border: none;
  border-radius: 0;
  box-shadow: none;
  color: var(--den2);
  background: transparent;
}
.navbar .form-control::placeholder {
  color: var(--xamdam);
  transition: color 0.2s ease;
}
.navbar .form-control:hover::placeholder,
.navbar .form-control:focus::placeholder {
  color: var(--vangdam);
}

/* Dropdown */
.navbar .dropdown-menu {
  border: none;
  border-radius: 0;
  box-shadow: none;
  background-color: var(--trang);
  border: 1px solid var(--xam);
}
.navbar .dropdown-item {
  color: var(--den2);
}
.navbar .dropdown-item:hover {
  background-color: var(--xam);
  color: var(--den);
}

/* Avatar */
.navbar img {
  border: none;
  border-radius: 0;
  object-fit: cover;
  background: var(--trang);
}

/* =========================================================
   CONTENT AREA
   ========================================================= */
.d-flex > .content-wrapper {
  flex: 1 1 auto;                 /* cho phép giãn */
  width: calc(100% - var(--cw-sidebar-width));
  margin-left: var(--cw-sidebar-width);
  transition: margin-left 0.2s ease;
}

/* Khi ở màn hình nhỏ (<992px), sidebar offcanvas ẩn → content full width */
@media (max-width: 991.98px) {
  .d-flex > .content-wrapper {
    width: 100%;
    margin-left: 0 !important;   /* ép chiếm full width */
  }
}

/* =========================================================
   MAIN CONTENT
   ========================================================= */
#main-content {
  color: var(--den2);
  background: var(--trang);
  line-height: 1.8;
}
#main-content h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--den);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
#main-content h1.bg-nohat {
  background: linear-gradient(235deg, var(--vang), var(--dodam));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
#main-content h2.page-description {
  font-size: 1.2rem;
  color: #444;
  margin-top: 1rem;
  line-height: 1.7;
}
#main-content p {
  font-size: 1.05rem;
  color: var(--den2);
  margin-bottom: 1rem;
}

#main-content p a {
  color: var(--dodam);  
}
#main-content p a:hover {
  color: var(--vangnhat);
  text-decoration: none;
}
#main-content hr {
  border: none;
  border-top: var(--border-dashed);
  margin: 1.5rem 0;
}

/* =========================================================
   DROPZONE / UPLOAD
   ========================================================= */
#myDropzone,
.presign-dropzone {
  border: none;
  background: var(--xamnhat);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  color: var(--den2);
  margin-bottom: 30px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
#myDropzone:hover,
.presign-dropzone:hover {
  color: var(--vang);
  background: #fffbea;
}
.presign-dropzone.dragover,
#myDropzone.dragover {
  color: var(--xanhdam);
  background: #f9fffa;
}

/* =========================================================
   AUTOCOMPLETE
   ========================================================= */
.autocomplete-suggestions {
  background: var(--trang);
  border: none;
  overflow-y: auto;
  font-size: 15px;
  color: var(--den2);
  max-height: 300px;
  z-index: 9999;
  scrollbar-width: thin;
  scrollbar-color: var(--xamdam) transparent;
}
.autocomplete-suggestions::-webkit-scrollbar { width: 6px; }
.autocomplete-suggestions::-webkit-scrollbar-thumb {
  background-color: var(--xamdam);
}

/* Suggestion item */
.autocomplete-suggestion {
  padding: 10px 14px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.autocomplete-suggestion:hover { background: var(--xanhnhat); }
.autocomplete-suggestion.active {
  background: var(--xanhdam);
  color: var(--trang);
}
.autocomplete-suggestion.autocomplete-selected {
  background: var(--vang);
  color: var(--den);
}
.autocomplete-suggestion strong {
  color: var(--xanhdam);
}
.autocomplete-suggestion.active strong { color: var(--vang); }

/* =========================================================
   NHlink with symbol (only for .nhlink)
   ========================================================= */
.nhlink {
  color: var(--xanhdam);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  transition: color 0.2s ease;
  line-height: 1.4;
}

/* thêm position: relative để top hoạt động */
.nhlink::after {
  font-family: "bootstrap-icons";
  content: "\F470"; /* bi-arrow-up-right */
  font-size: 0.9em;
  opacity: 0.8;
  position: relative;        /* ← fix quan trọng */
  top: 0.1em;               /* căn icon xuống baseline */
  transition: color 0.2s ease, opacity 0.2s ease, top 0.2s ease;
}

.nhlink:hover {
  color: var(--vang);
}
.nhlink:hover::after {
  color: var(--vang);
  opacity: 1;
  top: 0em;                  /* nhích lên nhẹ khi hover */
}

/* không gạch chân nếu có noline */
.nhlink.noline {
  text-decoration: none !important;
}

/* phiên bản VIP với icon ngôi sao */
.nhlink.nhlink-vip::after {
  content: "\F586"; /* bi-star-fill */
  color: var(--vangdam);
  font-size: 1em;
  position: relative;
  top: 0.05em;
}



.noline {
  text-decoration: none !important;
  color: inherit;
}
.noline:hover { color: var(--vang); }

/* =========================================================
   DASHED BORDER UTILITIES
   ========================================================= */
.border-dashed { border: var(--border-dashed) !important; }
.border-top-dashed { border-top: var(--border-dashed) !important; }
.border-bottom-dashed { border-bottom: var(--border-dashed) !important; }
.border-left-dashed { border-left: var(--border-dashed) !important; }
.border-right-dashed { border-right: var(--border-dashed) !important; }

@media (max-width: 992px) {
  #main-content h1 { font-size: 1.8rem; }
  #main-content h2.page-description { font-size: 1.05rem; }
  #main-content p { font-size: 0.95rem; }
}

/* =========================================================
   SECOND FOOTER LINKS (bottom quick links)
   ========================================================= */
#secondfooter {
  border-top: 2px dashed var(--den2);
  background: var(--trang);
  padding-top: 1.5rem;
  padding-bottom: 0.5rem;
  text-align: center;
}

#secondfooter a {
  color: var(--den2);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

#secondfooter a:hover {
  color: var(--vang);
  border-color: var(--vang);
  text-decoration: none;
}

#secondfooter .px-2,
#secondfooter .px-md-2,
#secondfooter .px-lg-3 {
  margin-bottom: 0.25rem;
}

/* responsive text spacing */
@media (max-width: 768px) {
  #secondfooter a {
    display: inline-block;
    padding: 4px 6px;
    font-size: 0.9rem;
  }
}


/* =========================================================
   ADMIN ACTIONS BUTTONS (hover reveal)
   ========================================================= */
.card {
  position: relative; /* cần để .admin-actions định vị tuyệt đối */
  overflow: hidden;
}

.admin-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  opacity: 0;
  visibility: hidden;
  z-index: 5;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

/* chỉ hiển thị khi hover vào card hoặc ảnh */
.card:hover .admin-actions,
.card .imgwrapper:hover ~ .admin-actions {
  opacity: 1;
  visibility: visible;
}

/* styling bổ sung cho nhóm nút */
.admin-actions .btn-group .btn {
  border: 1px solid var(--xamdam);
  background: rgba(255,255,255,0.9);
  color: var(--den2);
  transition: all 0.2s ease;
}

.admin-actions .btn:hover {
  background: var(--vang);
  color: var(--den);
  border-color: var(--vang);
}

/* responsive nhỏ: tránh che ảnh quá nhiều */
@media (max-width: 768px) {
  .admin-actions {
    top: 6px;
    right: 6px;
  }
  .admin-actions .btn-group .btn {
    padding: 2px 6px;
    font-size: 0.75rem;
  }
}
/* =========================================================
   Tags list
   ========================================================= */
a.tag {
  color: unset;
  text-decoration: none !important;
}

#sidebarOffcanvas {
  z-index: 9999;
}

.pointer {
  cursor: pointer;
}
/* =========================================================
    logout
   ========================================================= */
.logout-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    pointer-events: none;
    visibility: hidden;
  }

  .logout-overlay.active {
    visibility: visible;
  }

  .logout-panel {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: #fff;
    transition: transform .65s cubic-bezier(.77,0,.18,1);
  }

  .logout-panel.left {
    left: 0;
    transform: translateX(-100%);
  }

  .logout-panel.right {
    right: 0;
    transform: translateX(100%);
  }

  .logout-overlay.active .logout-panel.left {
    transform: translateX(0);
  }

  .logout-overlay.active .logout-panel.right {
    transform: translateX(0);
  }

  .logout-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 600;
    letter-spacing: .05em;
    color: #111;
    opacity: 0;
    transform: scale(.96);
    transition: opacity .35s ease, transform .35s ease;
    pointer-events: none;
  }

  .logout-overlay.show-text .logout-text {
    opacity: 1;
    transform: scale(1);
  }

/*hết logout*/