/* LUNA SOLIS V5 — stylesheet chinh (build tu demo da duyet) */
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/be-vietnam-pro-vietnamese-400-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/be-vietnam-pro-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/be-vietnam-pro-vietnamese-500-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/be-vietnam-pro-latin-500-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/be-vietnam-pro-vietnamese-600-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/be-vietnam-pro-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/be-vietnam-pro-vietnamese-700-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/be-vietnam-pro-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
/* ============================================================
   LUNA SOLIS — DEMO PREVIEW V5
   Hệ giao diện theo PROMPT_WEBSITE_V5.md — Mục VI
   ============================================================ */

:root{
  --midnight-navy:#071827;
  --deep-ocean:#0D3042;
  --ocean-teal:#0E7C86;
  --solar-gold:#E2AC45;
  --ice-blue:#EAF4F6;
  --warm-white:#FAFBFC;
  --soft-sand:#F6F1E7;
  --text-main:#12232E;
  --text-secondary:#536773;
  --border:#DCE5E8;
  --success:#247A52;
  --error:#B23A3A;
  /* Token bề mặt tối */
  --on-dark:#FFFFFF;
  --on-dark-text:#C7DCE4;
  --on-dark-soft:#9FBECA;
  --teal-bright:#45C0CE;
  --teal-btn:#0B6068;
  --teal-link:#0C6E77;
  --gold-deep:#9E771E;
  --radius:10px;
  --radius-sm:8px;
  --shadow-card:0 1px 2px rgba(7,24,39,.06);
  --shadow-pop:0 10px 26px rgba(7,24,39,.13);
  --neutral-bg:#F2F5F6;
  --maxw:1200px;
  --font-stack:"Be Vietnam Pro","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-stack);
  font-weight:400;
  font-size:16px;
  line-height:1.6;
  color:var(--text-main);
  background:var(--warm-white);
}
img,svg{display:block;max-width:100%}
a{color:var(--teal-link)}
a:hover{color:var(--ocean-teal)}
h1,h2,h3,h4,h5,h6{line-height:1.3;margin:0 0 .6em;color:var(--text-main)}
h1{font-weight:700;font-size:clamp(1.7rem,1.2rem + 2vw,2.45rem);letter-spacing:-.008em}
h2{font-weight:700;font-size:clamp(1.35rem,1.08rem + 1.1vw,1.8rem);letter-spacing:-.004em}
h3{font-weight:600;font-size:1.14rem}
/* Logo (ảnh PNG tối ưu từ bộ logo mới, nhúng qua build) */
.ls-sealimg{display:block;background:url(../img/logo-white.png?v=2) center/contain no-repeat}
.ls-sealimg--text{background-image:url(../img/seal.png)}
p{margin:0 0 1em}
.small{font-size:.85rem}
.muted{color:var(--text-secondary)}

/* MỘT quy tắc duy nhất phủ h1–h6 cho mọi bề mặt tối (Mục VI-A quy tắc 1) */
.ls-hero :is(h1,h2,h3,h4,h5,h6),
.ls-section--navy :is(h1,h2,h3,h4,h5,h6),
.ls-section--deep :is(h1,h2,h3,h4,h5,h6),
.ls-footer :is(h1,h2,h3,h4,h5,h6),
.ls-dark :is(h1,h2,h3,h4,h5,h6){color:var(--on-dark)}

.ls-hero p,.ls-section--navy p,.ls-section--deep p,.ls-dark p{color:var(--on-dark-text)}
.ls-hero a,.ls-section--navy a,.ls-section--deep a,.ls-dark a{color:var(--teal-bright)}
.ls-footer{color:var(--on-dark-soft)}
.ls-footer p{color:var(--on-dark-soft)}
.ls-footer a{color:var(--on-dark-text);text-decoration:none}
.ls-footer a:hover{color:var(--solar-gold);text-decoration:none}

/* Thanh nhấn Solar Gold 72×4 px cho H1/H2 nền tối (quy tắc 3) */
.accent-bar::after{
  content:"";display:block;width:72px;height:4px;background:var(--solar-gold);
  border-radius:2px;margin-top:14px;
}
.accent-bar--center::after{margin-left:auto;margin-right:auto}
/* Thanh nhấn cho tiêu đề nền sáng */
.accent-bar--light::after{
  content:"";display:block;width:72px;height:4px;background:var(--solar-gold);
  border-radius:2px;margin-top:14px;
}

/* Focus ring nhìn thấy trên mọi nền */
:focus-visible{outline:3px solid var(--teal-bright);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--solar-gold);color:var(--midnight-navy);
  padding:.6rem 1rem;font-weight:600;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- HEADER ---------- */
.site-header{
  background:var(--midnight-navy);color:var(--on-dark);
  position:relative;z-index:50;
}
.site-header .inner{
  max-width:var(--maxw);margin:0 auto;padding:.7rem 1.25rem;
  display:flex;align-items:center;gap:1.25rem;
}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--on-dark)}
.brand .mark{width:38px;height:38px;flex:none}
.brand .word{line-height:1.1}
.brand .word b{display:block;font-weight:700;font-size:1.06rem;letter-spacing:.14em}
.brand .word span{display:block;font-weight:400;font-size:.62rem;letter-spacing:.16em;color:var(--on-dark-soft);text-transform:uppercase}
/* Header công khai: logo chính to & cân đối hơn (chỉ áp dụng cho site-header, không đụng admin/desk) */
.site-header .brand{gap:.66rem}
.site-header .brand .mark{width:60px;height:60px}
.site-header .brand .word b{font-size:1.24rem}
.site-header .brand .word span{font-size:.68rem}
/* Nén nhẹ nav để bản tiếng Việt (nhãn dài hơn) vẫn nằm gọn 1 dòng cạnh logo lớn */
.site-header .main-nav{gap:.1rem}
.site-header .main-nav a{padding:.42rem .5rem;font-size:.875rem}
.main-nav{display:flex;gap:.2rem;margin-left:auto;flex-wrap:wrap}
.main-nav a{
  color:var(--on-dark-text);text-decoration:none;font-weight:500;font-size:.9rem;
  padding:.45rem .7rem;border-radius:8px;
}
.main-nav a:hover{color:var(--on-dark);background:rgba(255,255,255,.08)}
.main-nav a.active{color:var(--on-dark);background:rgba(255,255,255,.1)}
.lang-switch{display:flex;border:1px solid rgba(255,255,255,.28);border-radius:8px;overflow:hidden;flex:none}
.lang-switch a{color:var(--on-dark-soft);text-decoration:none;font-size:.8rem;font-weight:600;padding:.3rem .6rem}
.lang-switch a.on{background:var(--solar-gold);color:var(--midnight-navy)}
.lang-switch a:not(.on):hover{background:rgba(255,255,255,.1);color:var(--on-dark)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:inherit;font-weight:600;font-size:.95rem;line-height:1.2;
  padding:.72rem 1.4rem;border-radius:10px;border:2px solid transparent;
  cursor:pointer;text-decoration:none;transition:all .16s ease;white-space:nowrap;
}
.btn--gold{background:var(--solar-gold);color:var(--midnight-navy)}
.btn--gold:hover{background:#EDBC5F;color:var(--midnight-navy);transform:translateY(-1px);box-shadow:0 6px 18px rgba(226,172,69,.35)}
.btn--teal{background:var(--teal-btn);color:#fff}
.btn--teal:hover{background:#0E7680;color:#fff;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--teal-link);border-color:currentColor}
.btn--ghost:hover{background:var(--ice-blue);color:var(--teal-btn)}
.ls-hero .btn--ghost,.ls-section--navy .btn--ghost,.ls-dark .btn--ghost{color:var(--on-dark);border-color:rgba(255,255,255,.5)}
.ls-hero .btn--ghost:hover,.ls-section--navy .btn--ghost:hover,.ls-dark .btn--ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn--sm{padding:.42rem .9rem;font-size:.84rem;border-radius:8px}
/* Nút dạng <a> trên bề mặt tối: giữ đúng màu chữ của nút, không ăn màu link nền tối */
a.btn--gold,a.btn--gold:hover{color:var(--midnight-navy)}
a.btn--teal,a.btn--teal:hover{color:#fff}

/* ---------- HERO ---------- */
.ls-hero{
  background:linear-gradient(160deg,var(--midnight-navy) 0%,var(--deep-ocean) 78%,#0F3A50 100%);
  color:var(--on-dark-text);
  position:relative;overflow:hidden;
}
.ls-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    radial-gradient(600px 300px at 85% -10%,rgba(69,192,206,.16),transparent 70%),
    radial-gradient(500px 260px at -5% 110%,rgba(226,172,69,.10),transparent 70%);
}
.ls-hero .inner{
  max-width:var(--maxw);margin:0 auto;padding:2.9rem 1.25rem 3.2rem;
  display:grid;grid-template-columns:1fr;gap:2.2rem;position:relative;
}
@media(min-width:960px){
  .ls-hero .inner{grid-template-columns:1.05fr 1fr;align-items:center;padding-top:3.5rem;padding-bottom:3.9rem}
}
.hero-copy .kicker{
  font-size:.8rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--teal-bright);margin-bottom:1rem;
}
.hero-copy p.lead{font-size:1.08rem;max-width:34rem;margin-top:1.3rem}
.hero-ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.7rem}

/* ---------- CHAT (Luna) ---------- */
.chat-card{
  background:#fff;border-radius:18px;box-shadow:var(--shadow-pop);
  overflow:hidden;display:flex;flex-direction:column;
  border:1px solid rgba(255,255,255,.4);
}
.chat-head{
  background:var(--deep-ocean);color:var(--on-dark);
  padding:.8rem 1.1rem;display:flex;align-items:center;gap:.7rem;
}
.chat-head .avatar{
  width:40px;height:40px;border-radius:50%;background:transparent;
  display:flex;align-items:center;justify-content:center;flex:none;padding:1px;
}
.chat-head .who b{display:block;font-size:.95rem;font-weight:700;color:var(--on-dark)}
.chat-head .who span{display:block;font-size:.72rem;color:var(--on-dark-soft)}
.chat-head .status{margin-left:auto;display:flex;align-items:center;gap:.4rem;font-size:.72rem;color:var(--on-dark-soft)}
.chat-head .dot{width:8px;height:8px;border-radius:50%;background:#4FC08D;flex:none}
.chat-body{
  padding:.95rem 1rem;display:flex;flex-direction:column;gap:.55rem;
  min-height:150px;max-height:340px;overflow-y:auto;background:var(--warm-white);
}
.msg{max-width:86%;padding:.55rem .85rem;border-radius:12px;font-size:.875rem;line-height:1.5}
.msg--bot{background:var(--ice-blue);color:var(--text-main);border-bottom-left-radius:4px;align-self:flex-start}
.msg--user{background:var(--deep-ocean);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.msg--bot .src{font-size:.78rem;color:var(--text-secondary);margin-top:.4rem}
.msg .disclaimer{
  display:block;font-size:.7rem;color:var(--text-secondary);
  border-top:1px dashed var(--border);margin-top:.55rem;padding-top:.45rem;
}
.typing{display:inline-flex;gap:5px;padding:.75rem 1rem;background:var(--ice-blue);border-radius:14px;border-bottom-left-radius:4px;align-self:flex-start}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--ocean-teal);opacity:.4;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}
.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}

/* Suggestion ticker — các gợi ý tự chạy ngang, không scrollbar */
.chip-ticker{
  overflow:hidden;background:var(--warm-white);padding:.3rem 0 .6rem;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
}
.chip-track{display:flex;width:max-content;animation:ls-ticker 38s linear infinite}
.chip-set{display:flex;gap:.5rem;padding-right:.5rem}
.chip-ticker:hover .chip-track,
.chip-ticker:focus-within .chip-track{animation-play-state:paused}
@keyframes ls-ticker{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion: reduce){
  .chip-ticker{-webkit-mask-image:none;mask-image:none;padding-left:1rem;padding-right:1rem}
  .chip-track{animation:none;width:auto}
  .chip-set{flex-wrap:wrap;padding-right:0}
  .chip-set[data-dup]{display:none}
  .chip-set .chip:nth-child(n+4){display:none}
}
.chip{
  flex:none;font-family:inherit;font-size:.78rem;font-weight:500;color:var(--teal-btn);
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:.4rem .85rem;cursor:pointer;transition:border-color .15s,background .15s;
}
.chip:hover{border-color:var(--ocean-teal);background:#F4F7F8}
.chat-foot{border-top:1px solid var(--border);padding:.7rem .9rem;display:flex;gap:.55rem;background:#fff}
.chat-foot input{
  flex:1;font-family:inherit;font-size:.92rem;padding:.62rem .9rem;
  border:1.5px solid var(--border);border-radius:10px;color:var(--text-main);min-width:0;
}
.chat-foot input:focus{outline:none;border-color:var(--ocean-teal);box-shadow:0 0 0 3px rgba(14,124,134,.15)}
.chat-meta{display:flex;justify-content:space-between;gap:.6rem;padding:.45rem 1.1rem .8rem;background:#fff;font-size:.7rem;color:var(--text-secondary)}

/* ---------- SECTIONS ---------- */
.ls-section{padding:3.2rem 0}
.ls-section .inner{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
.ls-section--sand{background:var(--soft-sand)}
.ls-section--ice{background:var(--neutral-bg)}
.ls-section--navy{background:var(--midnight-navy);color:var(--on-dark-text)}
.ls-section--deep{background:var(--deep-ocean);color:var(--on-dark-text)}
.sec-head{max-width:640px;margin-bottom:1.9rem}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .kicker{font-size:.76rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--teal-link);margin-bottom:.5rem}
.ls-section--navy .kicker,.ls-section--deep .kicker{color:var(--teal-bright)}

/* Credibility strip */
.cred-strip{background:var(--midnight-navy);border-top:1px solid rgba(255,255,255,.08)}
.cred-strip .inner{
  max-width:var(--maxw);margin:0 auto;padding:1.1rem 1.25rem;
  display:grid;grid-template-columns:1fr;gap:.8rem;
}
@media(min-width:640px){.cred-strip .inner{grid-template-columns:repeat(3,1fr)}}
.cred-item{display:flex;align-items:center;gap:.7rem;font-size:.88rem;color:var(--on-dark-text)}
.cred-item svg{width:22px;height:22px;flex:none;color:var(--solar-gold)}
.cred-item b{color:var(--on-dark);font-weight:600}

/* ---------- GRIDS & CARDS ---------- */
.grid{display:grid;gap:1.1rem}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
.grid--4{grid-template-columns:repeat(2,1fr)}
@media(min-width:640px){.grid--3{grid-template-columns:repeat(2,1fr)}.grid--2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}}

.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:1.5rem;box-shadow:var(--shadow-card);
}
.market-card{
  display:flex;align-items:flex-start;gap:.9rem;text-decoration:none;color:var(--text-main);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:1.1rem 1.2rem;box-shadow:var(--shadow-card);transition:all .16s;
}
.market-card:hover{transform:translateY(-2px);box-shadow:0 4px 14px rgba(7,24,39,.1);border-color:var(--ocean-teal);color:var(--text-main)}
.market-card .flag{width:42px;height:30px;border-radius:5px;overflow:hidden;flex:none;box-shadow:0 0 0 1px rgba(7,24,39,.12)}
.market-card b{display:block;font-weight:600;font-size:.98rem}
.market-card span{display:block;font-size:.8rem;color:var(--text-secondary);line-height:1.45;margin-top:.15rem}

.svc-card{position:relative;display:flex;flex-direction:column}
.svc-card .ico{
  width:44px;height:44px;border-radius:10px;background:var(--soft-sand);color:var(--gold-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:1rem;
}
.svc-card .ico svg{width:24px;height:24px}
.svc-card p{font-size:.92rem;color:var(--text-secondary);flex:1}
.svc-card .link{font-weight:600;font-size:.9rem;text-decoration:none}

.insight-card{display:flex;flex-direction:column;text-decoration:none;color:var(--text-main);overflow:hidden;padding:0}
.insight-card:hover{border-color:var(--ocean-teal)}
.insight-card .thumb{height:120px;background:linear-gradient(135deg,var(--deep-ocean),var(--teal-btn));position:relative}
.insight-card .thumb svg{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.insight-card .body{padding:1.2rem 1.3rem 1.3rem}
.insight-card .tag{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-link)}
.insight-card h3{font-size:1.02rem;margin:.4rem 0 .5rem;line-height:1.4}
.insight-card .meta{font-size:.78rem;color:var(--text-secondary)}

/* How it works */
.steps{counter-reset:step;display:grid;gap:1.3rem;grid-template-columns:1fr}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{position:relative;padding:1.4rem 1.3rem 1.3rem;background:#fff;border:1px solid var(--border);border-radius:var(--radius)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-weight:700;font-size:1.5rem;color:var(--gold-deep);display:block;margin-bottom:.5rem;
  font-variant-numeric:tabular-nums;
}
.step b{display:block;font-weight:600;margin-bottom:.3rem}
.step span{font-size:.86rem;color:var(--text-secondary);line-height:1.5}

/* ---------- TABLES ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-card)}
table.tbl{width:100%;border-collapse:collapse;font-size:.9rem;min-width:560px}
.tbl thead th{
  background:var(--deep-ocean);color:#fff;font-weight:600;text-align:left;
  padding:.75rem 1rem;font-size:.82rem;letter-spacing:.03em;white-space:nowrap;
}
.tbl tbody td{padding:.72rem 1rem;border-top:1px solid var(--border);vertical-align:top}
.tbl tbody tr:nth-child(even){background:var(--warm-white)}
.tbl tbody tr:hover{background:#F0F5F6}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl .code{font-weight:700;color:var(--deep-ocean);white-space:nowrap;font-variant-numeric:tabular-nums}

/* ---------- BADGES & ALERTS ---------- */
.badge{display:inline-block;font-size:.72rem;font-weight:600;padding:.16rem .6rem;border-radius:999px;white-space:nowrap}
.badge--ok{background:#E3F2EA;color:var(--success)}
.badge--warn{background:#FBF3E0;color:#8A6413}
.badge--err{background:#F9E8E8;color:var(--error)}
.badge--info{background:var(--ice-blue);color:var(--teal-btn)}
.badge--neutral{background:#EDF1F3;color:var(--text-secondary)}
.badge--internal{
  background:var(--solar-gold);color:var(--midnight-navy);font-weight:700;letter-spacing:.12em;
  border-radius:6px;padding:.2rem .6rem;font-size:.7rem;
}
.alert{border-radius:var(--radius-sm);padding:.85rem 1.1rem;font-size:.9rem;display:flex;gap:.6rem;align-items:flex-start}
.alert svg{width:19px;height:19px;flex:none;margin-top:.12rem}
.alert--warn{background:#FBF3E0;color:#6B4E0F;border:1px solid #EED9A9}
.alert--ok{background:#E3F2EA;color:#1B5C3E;border:1px solid #BFE0CE}

/* ---------- BREADCRUMB ---------- */
.crumbs{font-size:.82rem;color:var(--on-dark-soft);display:flex;gap:.45rem;flex-wrap:wrap;margin-bottom:1.2rem}
.crumbs a{color:var(--on-dark-soft);text-decoration:none}
.crumbs a:hover{color:var(--on-dark);text-decoration:underline}
.crumbs .sep{opacity:.5}
.crumbs--light,{color:var(--text-secondary)}
.crumbs--light a{color:var(--text-secondary)}
.crumbs--light a:hover{color:var(--text-main)}

/* ---------- PRE-FOOTER CTA BAND ---------- */
.cta-band{background:linear-gradient(140deg,var(--deep-ocean) 0%,#0F3A50 100%);position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background:radial-gradient(480px 220px at 90% -20%,rgba(226,172,69,.15),transparent 70%);
}
.cta-band .inner{
  max-width:1160px;margin:0 auto;padding:2.3rem 1.25rem;position:relative;
  display:flex;flex-wrap:wrap;align-items:center;gap:1.3rem 2.5rem;
}
.cta-band h2{color:var(--on-dark);font-size:clamp(1.25rem,1.05rem + .9vw,1.6rem);margin-bottom:.4rem}
.cta-band p{color:var(--on-dark-text);margin:0;font-size:.95rem;max-width:36rem}
.cta-copy{flex:1 1 380px}
.cta-actions{display:flex;gap:.7rem;flex-wrap:wrap}
.cta-band .btn--ghost{color:var(--on-dark);border-color:rgba(255,255,255,.5)}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.1);color:#fff}

/* ---------- FOOTER ---------- */
.ls-footer{background:var(--midnight-navy);padding:2.7rem 0 1.4rem;font-size:.875rem;line-height:1.65}
.ls-footer .inner{max-width:1160px;margin:0 auto;padding:0 1.25rem}
.foot-grid{display:grid;gap:1.8rem;grid-template-columns:1fr 1fr}
@media(min-width:960px){
  .foot-grid{grid-template-columns:minmax(300px,1.45fr) repeat(4,minmax(118px,.75fr));gap:2.2rem}
}
.foot-brand{grid-column:1/-1}
@media(min-width:960px){.foot-brand{grid-column:auto}}
.foot-tagline{color:var(--on-dark-text);font-size:.875rem;max-width:30rem;margin:0 0 .85rem}
.foot-contact{font-style:normal;font-size:.875rem;color:var(--on-dark-soft);line-height:1.75}
.foot-contact b{color:var(--on-dark-text);font-weight:600}
.foot-contact a{color:var(--on-dark-text)}
.foot-badges{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1rem}
.fbadge{
  font-size:.7rem;font-weight:500;letter-spacing:.02em;color:#EBD9AC;
  border:1px solid rgba(226,172,69,.38);border-radius:999px;padding:.16rem .6rem;white-space:nowrap;
}
.foot-col b{display:block;color:var(--on-dark);font-weight:700;font-size:.875rem;margin-bottom:.5rem}
.foot-col a{display:block;padding:.15rem 0;font-size:.875rem}
.foot-legal{
  border-top:1px solid rgba(255,255,255,.1);margin-top:1.8rem;padding-top:1rem;
  font-size:.78rem;color:var(--on-dark-soft);
}
.foot-legal p{color:var(--on-dark-soft);margin:0;line-height:1.6}
@media(max-width:640px){
  .ls-footer{padding-bottom:4.4rem} /* chừa chỗ cho nút WhatsApp nổi, không đè lên dòng pháp lý */
  .foot-legal p{padding-right:.5rem}
}

/* ---------- WHATSAPP FLOAT ---------- */
.wa-float{
  position:fixed;right:16px;bottom:16px;z-index:90;width:44px;height:44px;border-radius:50%;
  background:#1DA851;display:flex;align-items:center;justify-content:center;
  box-shadow:0 3px 12px rgba(7,24,39,.25);transition:transform .15s;opacity:.92;
}
.wa-float:hover{transform:scale(1.06);opacity:1}
.wa-float svg{width:23px;height:23px;fill:#fff}

/* ---------- APP LAYOUT (Desk / Admin / Solis) ---------- */
.app-shell{display:flex;min-height:calc(100vh - 34px)}
.app-side{
  width:232px;flex:none;background:var(--midnight-navy);color:var(--on-dark-text);
  padding:1.1rem .8rem;display:none;flex-direction:column;gap:.15rem;
}
@media(min-width:960px){.app-side{display:flex}}
.app-side .brand{padding:.3rem .5rem 1rem}
.app-side nav a{
  display:flex;align-items:center;gap:.6rem;color:var(--on-dark-soft);text-decoration:none;
  font-size:.88rem;font-weight:500;padding:.55rem .7rem;border-radius:8px;
}
.app-side nav a svg{width:17px;height:17px;flex:none;opacity:.8}
.app-side nav a:hover{background:rgba(255,255,255,.07);color:var(--on-dark)}
.app-side nav a.on{background:rgba(226,172,69,.14);color:var(--solar-gold)}
.app-side .side-note{margin-top:auto;font-size:.7rem;color:var(--on-dark-soft);padding:.8rem .5rem 0;border-top:1px solid rgba(255,255,255,.08)}
.app-main{flex:1;min-width:0;background:#EFF2F4}
.app-topbar{
  background:#fff;border-bottom:1px solid var(--border);
  padding:.7rem 1.4rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap;
}
.app-topbar h1{font-size:1.15rem;font-weight:700;margin:0}
.app-topbar .right{margin-left:auto;display:flex;align-items:center;gap:.8rem;font-size:.84rem;color:var(--text-secondary)}
.avatar-sm{width:32px;height:32px;border-radius:50%;background:var(--deep-ocean);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700}
.app-content{padding:1.25rem 1.4rem 2.2rem;display:flex;flex-direction:column;gap:1.1rem;max-width:1080px}

.stat-grid{display:grid;gap:.9rem;grid-template-columns:repeat(2,1fr)}
@media(min-width:960px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:.9rem 1.05rem;box-shadow:var(--shadow-card)}
.stat .lbl{font-size:.74rem;font-weight:600;color:var(--text-secondary);letter-spacing:.04em;text-transform:uppercase}
.stat .val{font-size:1.55rem;font-weight:700;color:var(--deep-ocean);font-variant-numeric:tabular-nums;line-height:1.2;margin:.22rem 0 .08rem}
.stat .sub{font-size:.76rem;color:var(--text-secondary)}
.stat .sub .up{color:var(--success);font-weight:600}

.panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card)}
.panel .p-head{padding:.8rem 1.15rem;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}
.panel .p-head h2{font-size:1rem;font-weight:600;margin:0}
.panel .p-head .right{margin-left:auto;display:flex;gap:.5rem;align-items:center}
.panel .p-body{padding:1.25rem}
.panel .tbl-wrap{border:none;box-shadow:none;border-radius:0}

.meter{height:9px;background:#E4ECEF;border-radius:99px;overflow:hidden}
.meter i{display:block;height:100%;border-radius:99px;background:var(--teal-btn)}
.meter--gold i{background:var(--solar-gold)}

/* ---------- SOLIS DARK ---------- */
.ls-dark{background:#0A2233;color:var(--on-dark-text)}
.ls-dark .app-topbar{background:var(--midnight-navy);border-bottom:1px solid rgba(255,255,255,.1)}
.ls-dark .app-topbar h1{color:var(--on-dark)}
.ls-dark .app-topbar .right{color:var(--on-dark-soft)}
.ls-dark .app-main{background:#0A2233}
.ls-dark .panel{background:#0E2C40;border-color:rgba(255,255,255,.12)}
.ls-dark .panel .p-head{border-color:rgba(255,255,255,.12)}
.ls-dark .panel .p-head h2{color:var(--on-dark)}
.ls-dark .stat{background:#0E2C40;border-color:rgba(255,255,255,.12)}
.ls-dark .stat .lbl{color:var(--on-dark-soft)}
.ls-dark .stat .val{color:var(--on-dark)}
.ls-dark .stat .sub{color:var(--on-dark-soft)}
/* Quy tắc cứng VI-A #5: bảng dữ liệu LUÔN nền sáng, kể cả trong khu Solis */
.ls-dark .tbl thead th{background:#071827}
.ls-dark .tbl-wrap{background:#fff}
.ls-dark .tbl{color:var(--text-main)}
.ls-dark .tbl .code{color:var(--deep-ocean)}
.ls-dark .msg--bot{background:#123648;color:var(--on-dark-text)}
.ls-dark .msg--bot .disclaimer{color:var(--on-dark-soft);border-color:rgba(255,255,255,.15)}
.ls-dark .msg--user{background:var(--teal-btn)}
.ls-dark .chat-foot{background:#0E2C40;border-color:rgba(255,255,255,.12)}
.ls-dark .chat-foot input{background:#0A2233;border-color:rgba(255,255,255,.2);color:var(--on-dark)}
.ls-dark .meter{background:rgba(255,255,255,.12)}

/* ---------- MISC ---------- */
.hs-ask{display:flex;align-items:center;gap:.5rem}
.note-src{font-size:.78rem;color:var(--text-secondary);margin-top:.7rem}
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.stack-sm>*+*{margin-top:.5rem}

/* Chat log page-level (Desk) */
.desk-chat .chat-body{max-height:none;min-height:0}

@media(max-width:959px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
}
.nav-toggle{
  display:none;margin-left:auto;background:none;border:1px solid rgba(255,255,255,.3);
  border-radius:8px;color:var(--on-dark);padding:.4rem .6rem;cursor:pointer;
}
@media(max-width:959px){
  .nav-toggle{display:inline-flex}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--midnight-navy);
    flex-direction:column;padding:.6rem 1rem 1rem;border-top:1px solid rgba(255,255,255,.1);z-index:60}
  .main-nav.open{display:flex}
}