:root {
  /* ===== GIAO DIỆN SÁNG (mặc định) ===== */
  --color-bg:          #ffffff;
  --color-bg-2:        #f3f4f6;
  --color-bg-card:     #ffffff;
  --color-bg-subtle:   #eceef1;
  --color-accent:      #00d4a0;   /* dùng cho nền/viền (fill) */
  --color-accent-text: #00795c;   /* dùng khi accent là CHỮ trên nền sáng */
  --color-accent-2:    #0077cc;
  --color-accent-dim:  rgba(0, 212, 160, 0.12);
  --color-text:        #18181b;
  --color-text-muted:  #52525b;
  --color-text-soft:   #3f3f46;
  --color-border:      #e2e3e7;
  --color-navbar-bg:   rgba(255, 255, 255, 0.85);
  --color-footer-bg:   #f3f4f6;
  --color-card-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --color-success:     #16a34a;
  --color-error:       #dc2626;
  --color-zalo:        #0068ff;
  --color-messenger:   #0084ff;
  --font-main:         'Be Vietnam Pro', sans-serif;
}

:root[data-theme="dark"] {
  /* ===== GIAO DIỆN TỐI ===== */
  --color-bg:          #0a0a0a;
  --color-bg-2:        #111111;
  --color-bg-card:     #1a1a1a;
  --color-bg-subtle:   #222222;
  --color-accent:      #00d4a0;
  --color-accent-text: #00d4a0;
  --color-accent-2:    #00a8ff;
  --color-accent-dim:  rgba(0, 212, 160, 0.12);
  --color-text:        #f0f0f0;
  --color-text-muted:  #888888;
  --color-text-soft:   #c0c0c0;
  --color-border:      #2a2a2a;
  --color-navbar-bg:   rgba(10, 10, 10, 0.88);
  --color-footer-bg:   #080808;
  --color-card-shadow: none;
  --color-success:     #22c55e;
  --color-error:       #ef4444;
}

html { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-main);
}

/* Scroll animation */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-delay-100 { transition-delay: 0.1s; }
.animate-delay-200 { transition-delay: 0.2s; }
.animate-delay-300 { transition-delay: 0.3s; }
.animate-delay-400 { transition-delay: 0.4s; }

/* Navbar */
.navbar {
  background: var(--color-navbar-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

/* Hero */
.hero-overlay {
  background: linear-gradient(to right, rgba(0,0,0,0.75) 50%, rgba(0,0,0,0.2));
}

/* CTA buttons */
.btn-cta {
  background-color: var(--color-accent);
  color: #000;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-block;
  text-decoration: none;
}
.btn-cta:hover {
  background-color: #00b88a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,212,160,0.3);
}

.btn-outline {
  border: 2px solid rgba(255,255,255,0.4);
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
  display: inline-block;
  text-decoration: none;
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-accent-outline {
  border: 2px solid var(--color-accent);
  color: var(--color-accent-text);
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  display: inline-block;
  text-decoration: none;
}
.btn-accent-outline:hover {
  background-color: var(--color-accent);
  color: #000;
  transform: translateY(-2px);
}

/* Card */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: 0 8px 32px rgba(0,212,160,0.08);
}

/* Badge */
.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--color-accent);
  color: #000;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
}

.badge-outline {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--color-accent);
  color: var(--color-accent-text);
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
}

/* Award strip */
.award-strip {
  background: rgba(0,212,160,0.06);
  border-top: 1px solid rgba(0,212,160,0.2);
  border-bottom: 1px solid rgba(0,212,160,0.2);
}

/* Stats bar */
.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent-text);
  line-height: 1;
}

/* Highlight box */
.highlight-box {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.highlight-box:hover {
  border-color: rgba(0,212,160,0.4);
  background-color: var(--color-bg-subtle);
}

/* Design tab buttons */
.tab-btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 0.2s ease;
}
.tab-btn.active {
  background: var(--color-accent);
  color: #000;
  border-color: var(--color-accent);
}
.tab-btn:hover:not(.active) {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: grid;
}

/* Specs table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
}
.specs-table tr {
  border-bottom: 1px solid var(--color-border);
}
.specs-table tr:last-child {
  border-bottom: none;
}
.specs-table tr:hover {
  background: rgba(255,255,255,0.02);
}
.specs-table td {
  padding: 0.875rem 1rem;
  vertical-align: top;
}
.specs-table td:first-child {
  color: var(--color-text-muted);
  font-weight: 500;
  width: 42%;
}

/* FAQ Accordion */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 0.75rem;
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-card);
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: none;
  transition: background-color 0.2s ease;
}
.faq-question:hover {
  background-color: var(--color-bg-subtle);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background-color: var(--color-bg);
  padding: 0 1.5rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.faq-answer.open {
  max-height: 400px;
  padding: 1rem 1.5rem;
}
.faq-chevron {
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-question.active .faq-chevron {
  transform: rotate(180deg);
}

/* Contact form */
.form-input {
  width: 100%;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  color: var(--color-text);
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s ease;
  font-family: var(--font-main);
  font-size: 0.9375rem;
}
.form-input:focus {
  border-color: var(--color-accent);
}
.form-input::placeholder {
  color: var(--color-text-muted);
}
.form-label {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
}

/* Section divider accent line */
.section-accent-line {
  width: 48px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 1rem 0;
}

/* In the box list */
.inbox-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.inbox-item:last-child { border-bottom: none; }
.inbox-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Language switcher */
.lang-switcher {
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.lang-switcher:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

/* Theme toggle button (sáng/tối) */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
  background-color: var(--color-accent-dim);
}
.theme-toggle svg {
  display: block;
  width: 18px;
  height: 18px;
}
.theme-toggle .th-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .th-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .th-moon { display: block; }

/* Footer */
.footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
}

/* Mobile menu */
#mobileMenu {
  display: none;
}
#mobileMenu.open {
  display: block;
}

/* Floating buttons */
.float-btn {
  position: fixed;
  right: 1.25rem;
  z-index: 50;
  border-radius: 9999px;
  padding: 0.75rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  transition: transform 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.float-btn:hover {
  transform: scale(1.1);
}

/* Checklist */
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--color-text-muted);
}
.checklist-check {
  color: var(--color-accent-text);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Accessory card */
.acc-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.acc-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

/* Comparison table */
.compare-table {
  width: 100%;
  border-collapse: collapse;
}
.compare-table th {
  padding: 1rem;
  text-align: center;
  font-weight: 700;
  border-bottom: 2px solid var(--color-accent);
}
.compare-table td {
  padding: 0.875rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.compare-table tr:last-child td {
  border-bottom: none;
}
.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
}
.compare-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* Bento Feature Grid */
.bento-grid {
  display: grid;
  gap: 0.875rem;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-template-rows: 280px 210px 210px;
  grid-template-areas:
    "cam   cam   disp  disp"
    "ai    bat   sup   sup"
    "trans trans sup   sup";
}

.bento-card {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  background: var(--color-bg-2);
}

.bento-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.bento-card:hover img {
  transform: scale(1.04);
}

.bento-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.12) 55%, transparent 100%);
}

.bento-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.25rem 1.5rem;
}

.bento-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #f0f0f0;
  line-height: 1.3;
  margin-bottom: 0.2rem;
}

.bento-card-desc {
  font-size: 0.8125rem;
  color: #00d4a0;
  font-weight: 500;
  line-height: 1.4;
}

.bento-cam   { grid-area: cam; }
.bento-disp  { grid-area: disp; }
.bento-ai    { grid-area: ai; }
.bento-bat   { grid-area: bat; }
.bento-sup   { grid-area: sup; }
.bento-trans { grid-area: trans; }

@media (max-width: 767px) {
  .bento-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "cam   cam"
      "disp  disp"
      "ai    bat"
      "sup   sup"
      "trans trans";
  }
  .bento-card { min-height: 180px; }
}

@media (max-width: 479px) {
  .bento-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "cam"
      "disp"
      "ai"
      "bat"
      "sup"
      "trans";
  }
  .bento-card { min-height: 200px; }
}

/* Responsive video embed (YouTube iframe) */
.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 1rem;
  overflow: hidden;
}
.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ── Blog & Academy article content (HTML từ trình soạn thảo admin) ── */
.blog-content {
  color: var(--color-text-soft);
  font-size: 1.05rem;
  line-height: 1.8;
}
.blog-content > *:first-child { margin-top: 0 !important; padding-top: 0 !important; border-top: 0 !important; }
.blog-content h2 {
  color: var(--color-text);
  font-size: 1.45rem;
  font-weight: 800;
  margin: 2.6rem 0 1rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--color-border);
}
.blog-content h3 {
  color: var(--color-text);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 1.9rem 0 0.7rem;
}
.blog-content p { margin: 0 0 1.15rem; }
.blog-content a { color: var(--color-accent-text); text-decoration: underline; }

/* Danh sách — Tailwind Preflight bỏ marker toàn site, phải khai lại rõ ràng */
.blog-content ul,
.blog-content ol { margin: 0 0 1.3rem; padding-left: 1.6rem; }
.blog-content ul { list-style: disc outside; }
.blog-content ol { list-style: decimal outside; }
.blog-content ul ul { list-style: circle outside; margin: 0.4rem 0; }
.blog-content li { margin: 0.45rem 0; padding-left: 0.2rem; }
.blog-content li::marker { color: var(--color-accent-text); }
.blog-content ol > li { margin-bottom: 1.35rem; padding-left: 0.3rem; }
.blog-content ol > li::marker { color: var(--color-accent-text); font-weight: 700; }
.blog-content ul > li::marker { color: var(--color-accent-text); }
.blog-content li:last-child { margin-bottom: 0; }

/* Ảnh chụp màn hình — trình bày đồng nhất, không lọt thỏm trong cột chữ */
.blog-content img {
  display: block;
  height: auto;
  max-width: 100%;
  border-radius: 0.6rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-card-shadow);
  margin: 0.9rem 0 0.3rem;
}
.blog-content li img { width: 220px; max-width: 100%; margin-top: 0.6rem; }
.blog-content li br { display: none; }              /* <br> trước ảnh gây khoảng trắng thừa */

/* Desktop: ảnh chụp màn hình dọc thả nổi bên phải mỗi bước — gọn, không chiếm hết chiều cao */
@media (min-width: 700px) {
  .blog-content ol > li img {
    float: right;
    width: 190px;
    margin: 0.1rem 0 0.9rem 1.6rem;
  }
  .blog-content ol > li::after { content: ""; display: block; clear: both; }
}

.blog-content blockquote {
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-2);
  padding: 0.9rem 1.15rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin: 1.6rem 0;
  color: var(--color-text-soft);
  font-style: normal;
}
.blog-content blockquote > *:last-child { margin-bottom: 0; }
.blog-content strong { color: var(--color-text); }
.blog-content code {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.9em;
}
.blog-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4rem 0;
  font-size: 0.95em;
}
.blog-content th,
.blog-content td {
  border: 1px solid var(--color-border);
  padding: 0.6rem 0.8rem;
  text-align: left;
  vertical-align: top;
}
.blog-content th { background: var(--color-bg-2); color: var(--color-text); font-weight: 700; }

/* Nội dung dán từ Word/Google Docs thường kèm inline color/background cố định
   (giả định nền trắng) → chữ tối trên nền tối ở giao diện TỐI sẽ mất hút.
   Ép nội dung theo biến theme để đọc được ở CẢ sáng lẫn tối. */
.blog-content [style*="color"] { color: inherit !important; }
.blog-content :is(h1, h2, h3, h4, h5, h6)[style*="color"],
.blog-content strong[style*="color"],
.blog-content b[style*="color"],
.blog-content th[style*="color"] { color: var(--color-text) !important; }
.blog-content a[style*="color"] { color: var(--color-accent-text) !important; }
.blog-content [style*="background"] { background-color: transparent !important; }

/* =========================================================================
   THEME OVERRIDES — ánh xạ các giá trị màu hard-code (Tailwind arbitrary +
   inline style) sang biến CSS để đổi được sáng/tối. Áp dụng cả 2 theme
   (ở dark, biến = giá trị tối cũ → giao diện tối không đổi).
   ========================================================================= */

/* Nền */
.bg-\[\#0a0a0a\]                                   { background-color: var(--color-bg) !important; }
.bg-\[\#111111\], .bg-\[\#111\], .bg-\[\#0d0d0d\]  { background-color: var(--color-bg-2) !important; }
.bg-\[\#1a1a1a\]                                   { background-color: var(--color-bg-card) !important; }

/* Card sáng cần viền để tách khỏi nền trắng */
:root:not([data-theme="dark"]) .bg-\[\#1a1a1a\]   { border: 1px solid var(--color-border); }

/* Viền */
.border-\[\#2a2a2a\] { border-color: var(--color-border) !important; }

/* Chữ */
.text-\[\#f0f0f0\]                                        { color: var(--color-text) !important; }
.text-\[\#888\], .text-\[\#666\], .text-\[\#555\]         { color: var(--color-text-muted) !important; }
.text-\[\#c0c0c0\], .text-\[\#aaa\], .text-\[\#bbb\], .text-\[\#ddd\] { color: var(--color-text-soft) !important; }
.text-white                                              { color: var(--color-text) !important; }
.text-\[\#00d4a0\]                                        { color: var(--color-accent-text) !important; }
.border-\[\#00d4a0\]                                      { border-color: var(--color-accent) !important; }
.hover\:text-\[\#00d4a0\]:hover                           { color: var(--color-accent-text) !important; }

/* Inline style="color:#00d4a0" (accent dạng chữ) — chọn bằng attribute + !important để thắng inline */
[style*="color:#00d4a0"], [style*="color: #00d4a0"] { color: var(--color-accent-text) !important; }

/* Hover đổi nền xám của một số nút/mục */
.hover\:bg-\[\#1a1a1a\]:hover { background-color: var(--color-bg-card) !important; }
.hover\:bg-\[\#111\]:hover    { background-color: var(--color-bg-2) !important; }

/* -------------------------------------------------------------------------
   "DẢI TỐI" — các section luôn tối ở cả 2 theme (có ảnh/video nền hoặc là
   dải nhấn accent): hero, section CTA gradient xanh, section pin nền ảnh.
   Ép chữ bên trong luôn sáng.
   ------------------------------------------------------------------------- */
section:has(.hero-overlay),
section[style*="linear-gradient(160deg, #0a0a0a"],
section[style*="#052e16"],
section[style*="#003d2e"],
section[style*="background:#0a0a0a"] {
  background-color: #0a0a0a;
}
section:has(.hero-overlay) :is(h1,h2,h3,h4,p,li,span,strong,a,.text-white),
section[style*="linear-gradient(160deg, #0a0a0a"] :is(h1,h2,h3,h4,p,li,span,strong,a,.text-white),
section[style*="#052e16"] :is(h1,h2,h3,h4,p,li,span,strong,a,.text-white),
section[style*="#003d2e"] :is(h1,h2,h3,h4,p,li,span,strong,a,.text-white),
section[style*="background:#0a0a0a"] :is(h1,h2,h3,h4,p,li,span,strong,a,.text-white) {
  color: #f4f4f5 !important;
}
section:has(.hero-overlay) :is(.text-\[\#888\],.text-\[\#666\],.text-\[\#555\],.text-\[\#aaa\],.text-\[\#c0c0c0\],.text-\[\#a7f3d0\],.text-\[\#6ee7b7\]),
section[style*="linear-gradient(160deg, #0a0a0a"] :is(.text-\[\#888\],.text-\[\#666\],.text-\[\#aaa\],.text-\[\#c0c0c0\]),
section[style*="#052e16"] :is(.text-\[\#a7f3d0\],.text-\[\#6ee7b7\],.text-\[\#888\]),
section[style*="#003d2e"] :is(.text-\[\#a7f3d0\],.text-\[\#6ee7b7\],.text-\[\#888\]),
section[style*="background:#0a0a0a"] :is(.text-\[\#aaa\],.text-\[\#666\],.text-\[\#888\]) {
  color: rgba(255,255,255,0.78) !important;
}
section:has(.hero-overlay) [style*="color:#00d4a0"],
section[style*="linear-gradient(160deg, #0a0a0a"] [style*="color:#00d4a0"],
section[style*="#052e16"] [style*="color:#00d4a0"],
section[style*="#003d2e"] [style*="color:#00d4a0"],
section[style*="background:#0a0a0a"] [style*="color:#00d4a0"],
section:has(.hero-overlay) .badge-outline,
section[style*="linear-gradient(160deg, #0a0a0a"] .badge-outline {
  color: #00d4a0 !important;
  border-color: #00d4a0 !important;
}

/* Card / pill / chip có nền tối hard-code (bg-[#1a1a1a] / #111 / #0a0a0a) NẰM TRONG
   dải tối → phải giữ tối (mờ trắng), KHÔNG map sang nền trắng của theme sáng
   (nếu không: pill trắng + chữ trắng = mất chữ, xem hero /phu-kien). */
section:has(.hero-overlay) :is(.bg-\[\#1a1a1a\],.bg-\[\#111111\],.bg-\[\#111\],.bg-\[\#0d0d0d\],.bg-\[\#0a0a0a\]),
section[style*="linear-gradient(160deg, #0a0a0a"] :is(.bg-\[\#1a1a1a\],.bg-\[\#111111\],.bg-\[\#111\],.bg-\[\#0d0d0d\],.bg-\[\#0a0a0a\]),
section[style*="#052e16"] :is(.bg-\[\#1a1a1a\],.bg-\[\#111111\],.bg-\[\#111\]),
section[style*="#003d2e"] :is(.bg-\[\#1a1a1a\],.bg-\[\#111111\],.bg-\[\#111\]),
section[style*="background:#0a0a0a"] :is(.bg-\[\#1a1a1a\],.bg-\[\#111111\],.bg-\[\#111\]) {
  background-color: rgba(255,255,255,0.10) !important;
  border-color: rgba(255,255,255,0.22) !important;
}
section:has(.hero-overlay) .border-\[\#2a2a2a\],
section[style*="linear-gradient(160deg, #0a0a0a"] .border-\[\#2a2a2a\],
section[style*="#052e16"] .border-\[\#2a2a2a\],
section[style*="#003d2e"] .border-\[\#2a2a2a\],
section[style*="background:#0a0a0a"] .border-\[\#2a2a2a\] {
  border-color: rgba(255,255,255,0.22) !important;
}

/* Nút .btn-outline (viền trắng) luôn nằm trên dải tối — giữ nguyên trắng */
.btn-outline { color: #fff !important; border-color: rgba(255,255,255,0.4) !important; }

/* Inline style="background:#1a1a1a" / "#111" / border "#2a2a2a" / "#333" (một số card viết inline) */
[style*="background:#1a1a1a"]              { background-color: var(--color-bg-card) !important; }
[style*="background:#111111"],
[style*="background:#111;"],
[style*="background: #111111"]             { background-color: var(--color-bg-2) !important; }
[style*="solid #2a2a2a"]                   { border-color: var(--color-border) !important; }
[style*="border-color:#333"],
[style*="border-color: #333"]              { border-color: var(--color-border) !important; }

/* Ô callout xanh đậm inline (#052e16) — giữ nền tối, ép chữ sáng */
[style*="background:#052e16"],
[style*="background:#064e3b"] { color: #eafaf4 !important; }
[style*="background:#052e16"] :is(h1,h2,h3,h4,p,li,span,strong),
[style*="background:#064e3b"] :is(h1,h2,h3,h4,p,li,span,strong) { color: #eafaf4 !important; }
[style*="background:#052e16"] [style*="color:#00d4a0"],
[style*="background:#064e3b"] [style*="color:#00d4a0"] { color: #00d4a0 !important; }