:root{
  --bg:#f7f9fc; --surface:#ffffff; --surface-2:#f1f5f9;
  --text:#0f172a; --muted:#64748b; --border:#e2e8f0;
  --primary:#2563eb; --primary-d:#1d4ed8; --primary-soft:#dbeafe;
  --green:#16a34a; --green-soft:#dcfce7;
  --amber:#d97706; --amber-soft:#fef3c7;
  --red:#dc2626; --red-soft:#fee2e2;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 8px 24px rgba(15,23,42,.06);
  --radius:16px; --radius-sm:10px;
}
[data-theme="dark"]{
  --bg:#0b1220; --surface:#131c2e; --surface-2:#1b2740;
  --text:#e8edf5; --muted:#94a3b8; --border:#26334d;
  --primary:#3b82f6; --primary-d:#60a5fa; --primary-soft:#1e3a5f;
  --green:#4ade80; --green-soft:#14351f;
  --amber:#fbbf24; --amber-soft:#3a2c08;
  --red:#f87171; --red-soft:#3a1414;
  --shadow:0 1px 3px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Be Vietnam Pro',system-ui,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;
  -webkit-font-smoothing:antialiased;transition:background .3s,color .3s;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
a{color:var(--primary);text-decoration:none}
em{color:var(--primary-d);font-style:normal;font-weight:600}

/* HEADER */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 85%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand-icon{font-size:26px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700}
.brand-text small{font-size:11px;color:var(--muted)}
.topnav{display:flex;gap:6px;margin-left:auto}
.topnav a{padding:8px 14px;border-radius:99px;color:var(--muted);font-weight:500;font-size:14px;transition:.2s}
.topnav a:hover{background:var(--surface-2);color:var(--text)}
.theme-btn{background:var(--surface-2);border:1px solid var(--border);width:40px;height:40px;border-radius:12px;cursor:pointer;font-size:18px;transition:.2s}
.theme-btn:hover{transform:scale(1.05)}

/* HERO */
.hero{padding:56px 0 40px;overflow:hidden;background:radial-gradient(1200px 400px at 80% -50%,var(--primary-soft),transparent)}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.badge{display:inline-block;background:var(--green-soft);color:var(--green);padding:6px 14px;border-radius:99px;font-size:13px;font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(30px,5vw,50px);font-weight:800;line-height:1.1;letter-spacing:-.02em}
.hero .hl{color:var(--primary)}
.lead{font-size:18px;color:var(--muted);margin:18px 0 26px;max-width:540px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:12px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:.2s;font-family:inherit}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px color-mix(in srgb,var(--primary) 40%,transparent)}
.btn-primary:hover{background:var(--primary-d);transform:translateY(-2px)}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.hero-stats{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
.hero-stats .stat{display:flex;flex-direction:column}
.hero-stats .num{font-size:28px;font-weight:800;color:var(--primary)}
.hero-stats .lbl{font-size:13px;color:var(--muted)}
.hero-art{display:flex;justify-content:center}
.hero-svg{width:100%;max-width:360px;filter:drop-shadow(0 20px 40px rgba(37,99,235,.2))}

/* SECTIONS */
.section{padding:56px 0;scroll-margin-top:72px}
.section-alt{background:var(--surface);border-radius:28px;padding:48px 32px;margin:12px 0;box-shadow:var(--shadow)}
.section-head{max-width:720px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,3.5vw,32px);font-weight:800;letter-spacing:-.01em}
.section-head p{color:var(--muted);margin-top:10px;font-size:16px}

/* SEARCH */
.search-box{margin-bottom:16px}
.search-input{display:flex;align-items:center;gap:12px;background:var(--surface);border:2px solid var(--border);border-radius:16px;padding:4px 16px;box-shadow:var(--shadow);transition:.2s}
.search-input:focus-within{border-color:var(--primary)}
.search-input span{font-size:20px}
.search-input input{flex:1;border:none;outline:none;background:transparent;font-size:17px;padding:16px 0;color:var(--text);font-family:inherit}
.clear-q{background:var(--surface-2);border:none;border-radius:8px;width:30px;height:30px;cursor:pointer;color:var(--muted);font-size:14px}

/* FILTERS */
.filters{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;margin-bottom:20px}
.filter-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:8px 16px;border-radius:99px;border:1.5px solid var(--border);background:var(--surface);color:var(--muted);font-size:14px;font-weight:500;cursor:pointer;transition:.15s;font-family:inherit}
.chip:hover{border-color:var(--primary);color:var(--text)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
.chip.m-nhe.active{background:var(--green);border-color:var(--green)}
.chip.m-trung_binh.active{background:var(--amber);border-color:var(--amber)}
.chip.m-nang.active{background:#ea580c;border-color:#ea580c}
.chip.m-rat_nang.active{background:var(--red);border-color:var(--red)}

.result-meta{color:var(--muted);font-size:14px;margin-bottom:16px}
.result-meta b{color:var(--text)}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border-left:5px solid var(--border);transition:.2s;display:flex;flex-direction:column;gap:12px}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(15,23,42,.12)}
.card.m-nhe{border-left-color:var(--green)}
.card.m-trung_binh{border-left-color:var(--amber)}
.card.m-nang{border-left-color:#ea580c}
.card.m-rat_nang{border-left-color:var(--red)}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.card-nhom{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--muted);background:var(--surface-2);padding:4px 10px;border-radius:99px}
.card-badge{font-size:11px;font-weight:700;padding:4px 10px;border-radius:99px;white-space:nowrap}
.b-nhe{background:var(--green-soft);color:var(--green)}
.b-trung_binh{background:var(--amber-soft);color:var(--amber)}
.b-nang{background:#fff0e6;color:#ea580c}
[data-theme="dark"] .b-nang{background:#3a2410}
.b-rat_nang{background:var(--red-soft);color:var(--red)}
.card-hv{font-size:16px;font-weight:600;line-height:1.4}
.card-fine{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.card-fine .money{font-size:19px;font-weight:800;color:var(--primary)}
.card-extra{display:flex;flex-direction:column;gap:8px;font-size:13.5px;border-top:1px dashed var(--border);padding-top:12px;margin-top:2px}
.xrow{display:flex;gap:8px;align-items:flex-start}
.xrow .ic{flex-shrink:0}
.xrow .lb{color:var(--muted);flex-shrink:0}
.xrow.bs{color:var(--red);font-weight:600}
.card-cc{font-size:12px;color:var(--muted);font-style:italic}

.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty span{font-size:48px;display:block;margin-bottom:12px}
.show-more{display:block;margin:24px auto 0}

/* POINT GRID (trừ điểm) */
.point-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.point-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
[data-theme="dark"] .point-card{background:var(--surface-2)}
.point-card .pc-ic{font-size:32px;margin-bottom:10px}
.point-card h3{font-size:17px;margin-bottom:8px}
.point-card p{font-size:14.5px;color:var(--muted)}

/* QUYỀN */
.quyen-content{display:flex;flex-direction:column;gap:14px}
.acc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.acc-head{display:flex;align-items:center;gap:12px;padding:18px 20px;cursor:pointer;font-weight:700;font-size:16.5px;user-select:none;list-style:none}
.acc-head::-webkit-details-marker{display:none}
.acc-head .ah-ic{font-size:22px}
.acc-head .arrow{margin-left:auto;transition:.25s;color:var(--muted)}
.acc[open] .arrow{transform:rotate(180deg)}
.acc-body{padding:0 20px 20px 54px}
.acc-body .item{padding:12px 0;border-top:1px solid var(--border)}
.acc-body .item:first-child{border-top:none}
.acc-body .item h4{font-size:15px;margin-bottom:4px}
.acc-body .item p{font-size:14.5px;color:var(--muted)}
.acc-body ul{list-style:none;display:flex;flex-direction:column;gap:8px;padding-top:6px}
.acc-body ul li{position:relative;padding-left:24px;font-size:14.5px;color:var(--text)}
.acc-body ul li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}
.acc.warn ul li::before{content:"✕";color:var(--red)}
.acc.warn .ah-ic{filter:none}
.situ{background:var(--amber-soft);border-radius:var(--radius-sm);padding:14px 16px;margin-top:4px}
.situ .q{font-weight:700;font-size:14.5px;margin-bottom:4px}
.situ .a{font-size:14px;color:var(--text)}
[data-theme="dark"] .situ .a{color:var(--muted)}

/* FOOTER */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:36px 0;margin-top:40px}
.site-footer p{font-size:13.5px;color:var(--muted);max-width:800px;margin:0 auto 10px;text-align:center}
.foot-copy{font-weight:600;color:var(--text)!important;margin-top:16px!important}

/* RESPONSIVE */
@media (max-width:820px){
  .hero-inner{grid-template-columns:1fr}
  .hero-art{order:-1;max-width:220px;margin:0 auto}
  .topnav{display:none}
  .cards{grid-template-columns:1fr}
  .section-alt{padding:36px 18px}
}
@media (max-width:400px){
  .hero-stats{gap:18px}
  .brand-text small{display:none}
}