/* =========================================================================
   Landing facebook.hdcode.vn — cùng ngôn ngữ thiết kế với danso.hdwebs.vn
   Hero tối, nhấn vàng-cam, thẻ bo 20px, nền giấy ấm.
   ========================================================================= */
:root{
  --lp-dark:#141210; --lp-ink:#12110f; --lp-muted:#5f5a52;
  --lp-gold:#edbb02; --lp-gold-deep:#c99700; --lp-orange:#ff9800;
  --lp-paper:#f7f3ea; --lp-white:#fffcf6; --lp-line:rgba(18,17,15,.08);
  --lp-grad:linear-gradient(135deg,#edbb02,#ff9800);
  --lp-ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--lp-paper);color:var(--lp-muted);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--lp-ink);line-height:1.2;margin:0;letter-spacing:-.02em}
p{margin:0}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.lp-wrap{width:min(1200px,calc(100% - 40px));margin-inline:auto}

/* ===== NÚT ===== */
.lp-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:12px;
  padding:13px 24px;background:var(--lp-grad);color:#1a1a1a;font:inherit;font-weight:700;font-size:15px;
  cursor:pointer;box-shadow:0 10px 24px rgba(237,187,2,.28);transition:transform .25s var(--lp-ease),box-shadow .25s}
.lp-btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(237,187,2,.36)}
.lp-btn-ghost{background:transparent;color:#fffef8;border:1px solid rgba(255,255,255,.28);box-shadow:none}
.lp-btn-ghost:hover{background:rgba(255,255,255,.08);box-shadow:none}
.lp-btn-dark{background:var(--lp-ink);color:#fffef8;box-shadow:0 10px 24px rgba(18,17,15,.18)}

/* ===== THANH ĐIỀU HƯỚNG ===== */
.lp-nav{position:sticky;top:0;z-index:30;background:rgba(250,246,238,.88);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--lp-line)}
.lp-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.lp-logo{display:flex;align-items:center;gap:11px}
.lp-logo .mark{width:38px;height:38px;border-radius:10px;background:var(--lp-grad);color:#1a1a1a;font-weight:900;
  font-size:15px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 6px 16px rgba(237,187,2,.3)}
.lp-logo b{display:block;font-size:18px;font-weight:800;color:var(--lp-ink);line-height:1.1}
.lp-logo b i{font-style:normal;color:var(--lp-gold-deep)}
.lp-logo span{display:block;font-size:12px;color:var(--lp-muted);font-weight:500}
.lp-nav-links{display:flex;align-items:center;gap:26px}
.lp-nav-links a{font-size:15px;font-weight:600;color:var(--lp-muted)}
.lp-nav-links a:hover{color:var(--lp-ink)}

/* ===== HERO ===== */
.lp-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--lp-dark);color:#fffef8}
.lp-hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(680px 320px at 88% 8%,rgba(237,187,2,.22),transparent 60%),
             radial-gradient(520px 300px at 6% 92%,rgba(255,152,0,.12),transparent 62%)}
.lp-hero-grid{padding:clamp(52px,7vw,80px) 0 0;text-align:center;display:grid;justify-items:center}
.lp-hero-grid .lp-lead{margin-inline:auto}
.lp-hero-grid .lp-hero-actions{justify-content:center}
.lp-hero-ui{width:100%;max-width:min(1000px,100%);margin:44px auto 0;padding-bottom:clamp(40px,6vw,64px);min-width:0}
.lp-hero-grid > *{min-width:0;max-width:100%}
.lp-hero-panel{max-width:100%;min-width:0;overflow:hidden}
.lp-shot,.lp-shot figure,.lp-shots > *{min-width:0;max-width:100%}
.lp-features > *,.lp-steps > *,.lp-contact > *{min-width:0}
.lp-kicker{margin:0 0 14px;font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--lp-gold)}
.lp-hero h1{font-size:clamp(30px,4.4vw,50px);color:#fffef8;line-height:1.08}
.lp-hero h1 em{font-style:normal;color:var(--lp-gold)}
.lp-lead{margin:20px 0 30px;max-width:44ch;color:rgba(255,254,248,.72);font-size:17px;line-height:1.65}
.lp-hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.lp-ticks{list-style:none;padding:0;margin:28px 0 0;display:inline-grid;gap:10px;text-align:left}
.lp-ticks li{padding-left:28px;position:relative;color:rgba(255,254,248,.78);font-size:15px}
.lp-ticks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:var(--lp-grad);box-shadow:0 0 0 4px rgba(237,187,2,.13)}
.lp-hero-panel{padding:14px;border-radius:22px;background:rgba(255,252,246,.06);border:1px solid rgba(255,252,246,.12);
  backdrop-filter:blur(12px);box-shadow:0 28px 60px rgba(0,0,0,.32)}

/* ===== DẢI SỐ LIỆU ===== */
.lp-band{background:var(--lp-ink);color:#fffef8;border-top:1px solid rgba(255,255,255,.06)}
.lp-band-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:30px 0}
.lp-band .v{font-size:26px;font-weight:800;color:var(--lp-gold);line-height:1.2}
.lp-band .l{font-size:13.5px;color:rgba(255,254,248,.6);margin-top:3px}

/* ===== KHỐI NỘI DUNG ===== */
.lp-section{padding:clamp(60px,8vw,92px) 0}
.lp-section-muted{background:rgba(255,255,255,.5);border-block:1px solid var(--lp-line)}
.lp-head{max-width:40rem;margin-bottom:38px}
.lp-head h2{font-size:clamp(24px,3.2vw,34px)}
.lp-head p{margin-top:12px;font-size:17px}

.lp-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.lp-feature{padding:28px 26px;border-radius:20px;background:var(--lp-white);border:1px solid var(--lp-line);
  box-shadow:0 10px 30px rgba(18,17,15,.04);transition:transform .3s var(--lp-ease),box-shadow .3s}
.lp-feature:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(18,17,15,.09)}
.lp-feature .ico{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,#fff6d6,#ffe9b8);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--lp-gold-deep)}
.lp-feature .ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lp-feature h3{font-size:17px;margin-bottom:9px}
.lp-feature p{font-size:15px}

/* ===== ẢNH MINH HOẠ GIAO DIỆN ===== */
.lp-shots{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px}
.lp-shot{background:var(--lp-white);border:1px solid var(--lp-line);border-radius:20px;overflow:hidden;
  box-shadow:0 14px 40px rgba(18,17,15,.06);display:flex;flex-direction:column}
.lp-shot figure{margin:0;background:linear-gradient(160deg,#fffaf0,#f7f3ea);padding:18px;border-bottom:1px solid var(--lp-line)}
.lp-shot figcaption{padding:18px 22px 22px}
.lp-shot h3{font-size:16px;margin-bottom:7px}
.lp-shot p{font-size:14.5px}

/* ===== CÁC BƯỚC ===== */
.lp-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.lp-steps li{position:relative;padding-top:52px}
.lp-steps .n{position:absolute;top:0;left:0;width:38px;height:38px;border-radius:12px;background:var(--lp-grad);
  color:#1a1a1a;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(237,187,2,.28)}
.lp-steps h3{font-size:16.5px;margin-bottom:8px}
.lp-steps p{font-size:15px}

/* ===== DẢI KÊU GỌI ===== */
.lp-banner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:36px 40px;border-radius:24px;
  background:radial-gradient(520px 220px at 100% 0%,rgba(237,187,2,.3),transparent 55%),
             linear-gradient(135deg,#1c1815,var(--lp-dark));color:#fffef8}
.lp-banner h2{color:#fffef8;font-size:clamp(21px,2.6vw,27px)}
.lp-banner p{margin-top:9px;color:rgba(255,254,248,.7);max-width:46ch}

/* ===== LIÊN HỆ ===== */
.lp-contact{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.lp-contact-list{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:16px}
.lp-contact-list li{display:flex;gap:13px;align-items:flex-start}
.lp-contact-list .ic{width:40px;height:40px;border-radius:11px;background:var(--lp-white);border:1px solid var(--lp-line);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--lp-gold-deep)}
.lp-contact-list .ic svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lp-contact-list b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--lp-muted)}
.lp-contact-list span,.lp-contact-list a{color:var(--lp-ink);font-weight:600}

.lp-form{background:var(--lp-white);border:1px solid var(--lp-line);border-radius:22px;padding:30px;
  display:grid;gap:15px;box-shadow:0 20px 50px rgba(18,17,15,.07)}
.lp-form label{display:grid;gap:7px;font-size:13.5px;font-weight:700;color:var(--lp-ink)}
.lp-form label i{font-style:normal;color:#dc2626}
.lp-form input,.lp-form select,.lp-form textarea{border:1px solid var(--lp-line);border-radius:11px;padding:12px 14px;
  font:inherit;font-size:15px;color:var(--lp-ink);background:#fff;font-weight:400}
.lp-form input:focus,.lp-form select:focus,.lp-form textarea:focus{outline:none;border-color:var(--lp-gold);
  box-shadow:0 0 0 4px rgba(237,187,2,.16)}
.lp-form textarea{resize:vertical;min-height:88px}
.lp-form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.lp-msg{padding:13px 15px;border-radius:11px;font-size:14.5px;font-weight:600}
.lp-msg.ok{background:#eaf7ee;color:#1E6B3C}
.lp-msg.error{background:#fdeeea;color:#b03a14}
.lp-form-note{font-size:13px;color:var(--lp-muted);text-align:center;font-weight:400}

/* ===== CHÂN TRANG ===== */
.lp-foot{background:radial-gradient(520px 220px at 0% 0%,rgba(237,187,2,.14),transparent 60%),
  linear-gradient(180deg,#1a1713,var(--lp-dark));color:rgba(255,254,248,.8);border-top:1px solid rgba(255,255,255,.06)}
.lp-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding:52px 0 34px}
.lp-foot h4{color:#fffef8;font-size:14px;margin-bottom:14px;text-transform:uppercase;letter-spacing:.06em}
.lp-foot p{font-size:14.5px;color:rgba(255,254,248,.66);max-width:34ch;margin-top:14px}
.lp-foot-col a{display:block;padding:5px 0;font-size:14.5px;color:rgba(255,254,248,.72)}
.lp-foot-col a:hover{color:var(--lp-gold)}
.lp-foot-bar{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,254,248,.55)}

/* ===== NÚT GỌI NỔI ===== */
.lp-float{position:fixed;right:20px;bottom:20px;z-index:40;display:flex;flex-direction:column;gap:10px}
.lp-float a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--lp-grad);color:#1a1a1a;box-shadow:0 12px 28px rgba(237,187,2,.4);transition:transform .25s var(--lp-ease)}
.lp-float a:hover{transform:scale(1.08)}
.lp-float svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

@media (max-width:960px){
  .lp-contact{grid-template-columns:1fr}
  .lp-band-grid{grid-template-columns:repeat(2,1fr)}
  .lp-foot-grid{grid-template-columns:1fr 1fr}
  .lp-nav-links > a:not(.lp-btn){display:none}
  .lp-banner{flex-direction:column;align-items:flex-start;padding:28px}
}
@media (max-width:560px){
  .lp-band-grid{grid-template-columns:1fr 1fr;gap:16px}
  .lp-foot-grid{grid-template-columns:1fr}
  .lp-wrap{width:calc(100% - 28px)}
  .lp-hero h1{font-size:27px}
  .lp-lead{font-size:15.5px}
  .lp-btn{width:100%;padding:14px 18px}
  .lp-hero-actions{width:100%}
  .lp-feature,.lp-form{padding:20px 18px}
  .lp-banner{padding:24px 20px}
  .lp-nav-inner{min-height:60px}
  .lp-logo .mark{width:34px;height:34px}
  .lp-float{right:14px;bottom:14px}
}

/* =========================================================================
   Ảnh giao diện: dựng lại đúng markup của trang quản trị thay vì chụp màn hình.
   Nhờ vậy luôn khớp với sản phẩm thật và không lộ dữ liệu khách nào.
   ========================================================================= */
.lp-ui-scroll{overflow-x:auto;width:100%;max-width:100%;border-radius:16px;-webkit-overflow-scrolling:touch}
.lp-ui-scroll::-webkit-scrollbar{height:6px}
.lp-ui-scroll::-webkit-scrollbar-thumb{background:rgba(18,17,15,.2);border-radius:3px}
.lp-ui{min-width:760px;background:#f3f5f8;border:1px solid var(--lp-line);border-radius:16px;overflow:hidden;
  box-shadow:0 24px 60px rgba(18,17,15,.12);font-size:13px;color:#1A1A1A}
.lp-ui-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#e9e4d9;border-bottom:1px solid #ddd6c8}
.lp-ui-bar i{width:9px;height:9px;border-radius:50%;background:#c9c1b3;display:block}
.lp-ui-bar span{margin-left:8px;font-size:11.5px;color:#8a8378;font-style:normal}
.lp-ui-body{display:flex;min-height:320px}
.lp-ui-side{width:150px;flex-shrink:0;background:#1A1310;padding:12px 0}
.lp-ui-side .lg{display:flex;align-items:center;gap:7px;padding:0 14px 12px;border-bottom:1px solid #3a2f22;margin-bottom:10px}
.lp-ui-side .lg b{width:22px;height:22px;border-radius:6px;background:var(--lp-gold);color:#1A1310;font-size:10px;
  display:flex;align-items:center;justify-content:center;font-weight:900}
.lp-ui-side .lg span{color:#fff;font-weight:800;font-size:12px}
.lp-ui-side .lb{padding:9px 14px 5px;font-size:8.5px;font-weight:800;letter-spacing:.08em;color:#8a7c68;text-transform:uppercase}
.lp-ui-side a{display:flex;align-items:center;gap:8px;padding:7px 14px;color:#cfc6ba;font-size:11.5px;font-weight:600}
.lp-ui-side a.on{background:#2f2417;color:#fff;box-shadow:inset 3px 0 0 var(--lp-gold)}
.lp-ui-side a em{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.55;font-style:normal;flex-shrink:0}
.lp-ui-main{flex:1;min-width:0;padding:14px;display:flex;flex-direction:column;gap:12px}
.lp-ui-h{display:flex;align-items:center;justify-content:space-between;gap:10px}
.lp-ui-h b{font-size:15px;font-weight:800}
.lp-ui-pill{background:var(--lp-gold);color:#1A1310;border-radius:7px;padding:5px 11px;font-size:11px;font-weight:700}

.lp-ui-cols{display:flex;gap:10px;flex:1;min-height:0}
.lp-ui-list{width:180px;flex-shrink:0;background:#fff;border:1px solid #e5e9ee;border-radius:10px;overflow:hidden}
.lp-ui-row{display:flex;gap:8px;padding:9px 10px;border-bottom:1px solid #f1f4f7}
.lp-ui-row.on{background:#fffaf0;box-shadow:inset 3px 0 0 var(--lp-gold)}
.lp-ui-av{width:26px;height:26px;border-radius:50%;flex-shrink:0;color:#fff;font-size:10px;font-weight:700;
  display:flex;align-items:center;justify-content:center}
.lp-ui-row div{min-width:0}
.lp-ui-row .n{font-weight:700;font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lp-ui-row .m{font-size:10.5px;color:#8a94a0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lp-ui-tag{display:inline-block;font-size:9px;font-weight:700;border-radius:20px;padding:1px 6px;margin-top:3px;
  background:#eef1f5;color:#5a6472}
.lp-ui-tag.hot{background:#fdeeea;color:#b03a14}
.lp-ui-tag.ok{background:#eef8f0;color:#1E6B3C}
.lp-ui-chat{flex:1;min-width:0;background:#fff;border:1px solid #e5e9ee;border-radius:10px;padding:12px;
  display:flex;flex-direction:column;gap:9px}
.lp-ui-b{max-width:76%;padding:8px 11px;border-radius:12px;font-size:11.5px;line-height:1.5}
.lp-ui-b.in{background:#f4f6f9;border-bottom-left-radius:3px}
.lp-ui-b.out{background:var(--lp-gold);color:#1A1310;align-self:flex-end;border-bottom-right-radius:3px;font-weight:500}
.lp-ui-input{margin-top:auto;border:1px solid #e5e9ee;border-radius:8px;padding:9px 11px;color:#a9b0b8;font-size:11.5px}

.lp-ui-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.lp-ui-stat{background:#fff;border:1px solid #e5e9ee;border-radius:9px;padding:10px 11px}
.lp-ui-stat .v{font-size:16px;font-weight:800}
.lp-ui-stat .l{font-size:10px;color:#8a94a0;margin-top:1px}
.lp-ui-tbl{background:#fff;border:1px solid #e5e9ee;border-radius:10px;overflow:hidden}
.lp-ui-tbl table{width:100%;border-collapse:collapse}
.lp-ui-tbl th{text-align:left;font-size:9px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;color:#8a94a0;
  padding:8px 11px;background:#fafbfc;border-bottom:1px solid #e5e9ee}
.lp-ui-tbl td{padding:9px 11px;font-size:11px;border-bottom:1px solid #f1f4f7}
.lp-ui-tbl tr:last-child td{border-bottom:0}
.lp-ui-bars{display:flex;align-items:flex-end;gap:7px;height:74px;padding:0 2px}
.lp-ui-bars i{flex:1;border-radius:5px 5px 0 0;background:#f0e6cf;display:block}
.lp-ui-bars i.hi{background:var(--lp-gold)}


/* ===== Dải mời đọc hướng dẫn ===== */
.lp-guide-cta{margin-top:40px;display:flex;align-items:center;justify-content:space-between;gap:26px;
  flex-wrap:wrap;padding:26px 30px;border-radius:18px;background:var(--lp-white);border:1px solid var(--lp-line);
  box-shadow:0 10px 30px rgba(18,17,15,.05)}
.lp-guide-cta h3{font-size:18px;margin-bottom:8px}
.lp-guide-cta p{font-size:14.5px;max-width:52ch;margin:0}
@media (max-width:640px){.lp-guide-cta{padding:22px 18px}.lp-guide-cta .lp-btn{width:100%}}

/* ---------- Trang pháp lý (quyền riêng tư / điều khoản / xoá dữ liệu) ---------- */
.lp-doc { padding: 56px 0 72px; }
.lp-doc .lp-wrap { max-width: 860px; }
.lp-doc h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.2; margin: 6px 0 10px; }
.lp-doc-meta { color: #6b7280; font-size: 14px; margin: 0 0 22px; }
.lp-doc-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 30px; }
.lp-doc-tabs a {
    padding: 8px 16px; border: 1px solid #e5e7eb; border-radius: 999px;
    font-size: 14px; font-weight: 600; color: #374151; text-decoration: none;
}
.lp-doc-tabs a:hover { border-color: #c7ccd4; }
.lp-doc-tabs a.on { background: #111827; border-color: #111827; color: #fff; }
.lp-doc-lead { font-size: 17px; line-height: 1.7; color: #374151; margin: 0 0 28px; }
.lp-doc h2 {
    font-size: 20px; margin: 34px 0 10px; padding-top: 20px;
    border-top: 1px solid #eef0f3;
}
.lp-doc h3 { font-size: 16px; margin: 20px 0 8px; color: #111827; }
.lp-doc p, .lp-doc li { line-height: 1.75; color: #374151; }
.lp-doc p { margin: 0 0 12px; }
.lp-doc ul, .lp-doc ol { margin: 0 0 14px; padding-left: 22px; }
.lp-doc li { margin-bottom: 7px; }
.lp-doc a { color: #1d4ed8; }
.lp-doc-tbl { width: 100%; border-collapse: collapse; margin: 8px 0 18px; font-size: 14.5px; }
.lp-doc-tbl th, .lp-doc-tbl td {
    border: 1px solid #e5e7eb; padding: 10px 12px; text-align: left; vertical-align: top;
}
.lp-doc-tbl th { background: #f7f8fa; font-weight: 600; }
.lp-doc-back { margin-top: 40px; padding-top: 20px; border-top: 1px solid #eef0f3; }
@media (max-width: 640px) {
    .lp-doc { padding: 32px 0 48px; }
    .lp-doc-tbl { display: block; overflow-x: auto; }
}

/* ===== FONT: Roboto có bộ dấu tiếng Việt đầy đủ ===== */
body, .lp-btn, input, select, textarea, button {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

/* ===== NHÓM ĐĂNG NHẬP / ĐĂNG KÝ ===== */
.lp-auth {
    display: inline-flex; align-items: center; gap: 2px; padding: 3px;
    background: rgba(18, 17, 15, .05); border: 1px solid var(--lp-line); border-radius: 999px;
}
.lp-auth a {
    display: inline-flex; align-items: center; padding: 7px 15px; border-radius: 999px;
    font-size: 13.5px; font-weight: 600; line-height: 1; white-space: nowrap;
    transition: background .2s var(--lp-ease), color .2s;
}
.lp-auth-dn { color: var(--lp-muted); }
.lp-auth-dn:hover { background: rgba(255, 255, 255, .75); color: var(--lp-ink); }
.lp-auth-dk { background: var(--lp-grad); color: #1a1a1a; box-shadow: 0 4px 12px rgba(237, 187, 2, .28); }
.lp-auth-dk:hover { box-shadow: 0 7px 18px rgba(237, 187, 2, .38); }
@media (max-width: 900px) {
    .lp-nav-links .lp-auth { display: inline-flex; }
}

/* ===== HỘP THOẠI ĐĂNG NHẬP / ĐĂNG KÝ ===== */
.au-nen {
    position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center;
    padding: 20px; background: rgba(18, 17, 15, .55); backdrop-filter: blur(3px); overflow-y: auto;
    animation: auHien .18s ease;
}
.au-nen[hidden] { display: none; }
@keyframes auHien { from { opacity: 0 } to { opacity: 1 } }
.au-hop {
    position: relative; width: 100%; max-width: 430px; margin: auto;
    background: #fff; border-radius: 18px; padding: 26px 26px 22px;
    box-shadow: 0 24px 60px rgba(18, 17, 15, .3); animation: auLen .22s var(--lp-ease);
}
@keyframes auLen { from { transform: translateY(14px); opacity: .6 } to { transform: none; opacity: 1 } }
.au-dong {
    position: absolute; top: 10px; right: 12px; width: 32px; height: 32px; border: 0; border-radius: 50%;
    background: transparent; color: var(--lp-muted); font-size: 24px; line-height: 1; cursor: pointer;
}
.au-dong:hover { background: #f1f2f4; color: var(--lp-ink); }
.au-logo { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.au-logo .mark {
    width: 38px; height: 38px; border-radius: 10px; background: var(--lp-grad); color: #1a1a1a;
    font-weight: 900; font-size: 15px; display: flex; align-items: center; justify-content: center;
}
.au-logo b { display: block; font-size: 17px; font-weight: 800; color: var(--lp-ink); line-height: 1.1; }
.au-logo b i { font-style: normal; color: var(--lp-gold-deep); }
.au-logo > span > span { display: block; font-size: 11.5px; color: var(--lp-muted); }

.au-tab { display: flex; gap: 3px; padding: 3px; background: #f1f2f4; border-radius: 999px; margin-bottom: 16px; }
.au-tab button {
    flex: 1; padding: 9px 8px; border: 0; border-radius: 999px; background: transparent;
    font: inherit; font-size: 14px; font-weight: 600; color: var(--lp-muted); cursor: pointer;
    transition: background .18s, color .18s;
}
.au-tab button.on { background: #fff; color: var(--lp-ink); box-shadow: 0 2px 6px rgba(18, 17, 15, .1); }

.au-bao {
    padding: 10px 12px; border-radius: 9px; font-size: 13.5px; line-height: 1.55; margin-bottom: 12px;
    background: #fef2f2; border: 1px solid #fecaca; color: #991b1b;
}
.au-bao.tot { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.au-bao[hidden] { display: none; }

.au-form label { display: block; font-size: 13px; font-weight: 600; color: #374151; margin-bottom: 11px; }
.au-form input, .au-form textarea {
    display: block; width: 100%; margin-top: 5px; padding: 10px 12px; font: inherit; font-size: 14.5px;
    font-weight: 400; color: var(--lp-ink); background: #fff;
    border: 1px solid #d9dce1; border-radius: 9px; box-sizing: border-box;
}
.au-form input:focus, .au-form textarea:focus {
    outline: 0; border-color: var(--lp-gold-deep); box-shadow: 0 0 0 3px rgba(237, 187, 2, .18);
}
.au-form textarea { resize: vertical; }
.au-doi-cot { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.au-doi-cot > label { min-width: 0; }
.au-luuy {
    background: #fffaf0; border: 1px solid #f5d99a; border-radius: 9px; padding: 9px 11px;
    font-size: 12.5px; line-height: 1.55; color: #6b4b12; margin-bottom: 13px;
}
.au-nut {
    width: 100%; padding: 12px; border: 0; border-radius: 10px; background: var(--lp-grad);
    color: #1a1a1a; font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; margin-top: 3px;
    box-shadow: 0 8px 20px rgba(237, 187, 2, .28); transition: box-shadow .2s, opacity .2s;
}
.au-nut:hover:not(:disabled) { box-shadow: 0 12px 26px rgba(237, 187, 2, .36); }
.au-nut:disabled { opacity: .6; cursor: default; }
.au-doi { text-align: center; font-size: 13.5px; color: var(--lp-muted); margin: 13px 0 0; }
.au-doi a { font-weight: 700; color: var(--lp-gold-deep); }
.au-dieukhoan { text-align: center; font-size: 11.5px; color: #9ca3af; margin: 8px 0 0; line-height: 1.5; }
.au-dieukhoan a { color: #9ca3af; text-decoration: underline; }
.au-bay { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 460px) {
    .au-hop { padding: 22px 18px 18px; border-radius: 14px; }
    .au-doi-cot { grid-template-columns: 1fr; }
}
.au-tuychon { font-weight: 400; font-size: 12px; color: #9ca3af; }

/* ===== NÚT ĐĂNG NHẬP BẰNG GOOGLE / FACEBOOK ===== */
.au-mxh { display: grid; gap: 8px; margin-bottom: 14px; }
.au-mxh-nut {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    padding: 11px 14px; border: 1px solid #d9dce1; border-radius: 10px;
    background: #fff; font-size: 14.5px; font-weight: 600; color: var(--lp-ink);
    transition: background .18s, border-color .18s, box-shadow .18s;
}
.au-mxh-nut:hover { background: #f7f8fa; border-color: #c3c8d0; box-shadow: 0 3px 10px rgba(18, 17, 15, .07); }
.au-mxh-nut svg { flex-shrink: 0; }
.au-hoac { position: relative; text-align: center; margin: 0 0 14px; }
.au-hoac::before {
    content: ""; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: #e5e7eb;
}
.au-hoac span { position: relative; background: #fff; padding: 0 12px; font-size: 12.5px; color: #9ca3af; }

/* ===== MÀN XÁC NHẬN SAU KHI GỬI YÊU CẦU ===== */
.au-xong { text-align: center; padding: 4px 0 0; }
.au-xong[hidden] { display: none; }
.au-xong-dau {
    width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 50%;
    background: #ecfdf5; color: #16a34a; font-size: 28px; line-height: 54px; font-weight: 700;
}
.au-xong h3 { margin: 0 0 8px; font-size: 19px; font-weight: 800; color: var(--lp-ink); }
.au-xong > p { margin: 0 0 16px; font-size: 14px; line-height: 1.65; color: var(--lp-muted); }
.au-xong-buoc {
    text-align: left; background: #f7f8fa; border-radius: 10px; padding: 13px 15px; margin-bottom: 16px;
}
.au-xong-buoc div {
    display: flex; align-items: center; gap: 10px;
    font-size: 13.5px; color: #374151; padding: 5px 0;
}
.au-xong-buoc span {
    flex-shrink: 0; width: 21px; height: 21px; line-height: 21px; text-align: center;
    border-radius: 50%; background: #fff; border: 1px solid #d9dce1;
    font-size: 11.5px; font-weight: 700; color: var(--lp-muted);
}
.au-xong-buoc div:first-child span { background: #16a34a; border-color: #16a34a; color: #fff; }
/* [hidden] phải thắng display:flex, nếu không thanh tab vẫn hiện ở màn "đã gửi" */
.au-tab[hidden], .au-mxh[hidden] { display: none !important; }
.au-quen { text-align: center; margin: 10px 0 0; font-size: 13px; }
.au-quen a { color: var(--lp-muted); text-decoration: underline; }
.au-quen a:hover { color: var(--lp-ink); }