/* ================= SpeedSMM - giao diện (Light · Xanh dương #2563EB + nút cam) ================= */
:root{
  /* nền & bề mặt */
  --bg:#F4F7FB;        /* nền vùng nội dung */
  --bg2:#FFFFFF;       /* sidebar, topbar, header bảng */
  --card:#FFFFFF;      /* thẻ nổi */
  --card2:#EEF3FA;     /* hover dòng, nút phụ */
  --line:#E2E8F2;      /* viền */

  /* chữ */
  --text:#0F172A;
  --muted:#475569;     /* chữ phụ - đậm hơn cho dễ đọc */
  --dim:#64748B;       /* chú thích mờ */

  /* thương hiệu (xanh dương) */
  --brand:#2563EB;
  --brand2:#1D4ED8;    /* link, chữ nhấn */
  --brand-soft:#EAF1FE;
  --brand-hi:#1D4ED8;  /* hover nút chính */

  /* nút hành động quan trọng (cam) */
  --accent:#F59E0B;
  --accent-hi:#D97706;
  --accent-soft:#FDF3E1;

  /* trạng thái */
  --ok:#15803D;
  --run:#1D4ED8;
  --warn:#B45309;
  --bad:#DC2626;

  --radius:14px;
  --shadow:0 1px 2px rgba(15,23,42,.05), 0 6px 16px rgba(15,23,42,.06);
}

/* ---------- Giao diện tối ---------- */
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0A0F1A;
  --bg2:#0F1728;
  --card:#141F33;
  --card2:#1D2A44;
  --line:#2A3A57;

  --text:#EEF2F9;
  --muted:#AEBDD4;
  --dim:#8494AC;

  --brand:#579BF7;
  --brand2:#8FBBFF;
  --brand-soft:#182A4C;
  --brand-hi:#4587EC;

  --accent:#F5A623;
  --accent-hi:#FBB63F;
  --accent-soft:#332813;

  --ok:#3ECF86;
  --run:#5FA0FF;
  --warn:#E2AC46;
  --bad:#F2706E;

  --shadow:0 1px 2px rgba(0,0,0,.5), 0 10px 28px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg); color:var(--text); font-size:14.5px; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:var(--brand2); text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .6em;text-wrap:balance}
h1{font-size:20px} h2{font-size:16px}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}
code{background:var(--card2);padding:2px 6px;border-radius:5px;font-size:.92em}
pre{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:14px;overflow:auto;font-size:13px}

/* ---------- Layout khung ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:230px;flex-shrink:0;background:var(--bg2);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:18px 12px;position:sticky;top:0;height:100vh;
}
.sidebar .brand{font-size:19px;font-weight:800;color:var(--text);padding:8px 8px 18px;display:flex;align-items:center;gap:8px}
.sidebar .brand:hover{text-decoration:none}
.sidebar .brand img{width:100%;max-width:184px;height:auto;display:block}
.sidebar .brand:has(.brand-tag) img{max-width:138px}
.sidebar .brand span{color:var(--brand)}
.sidebar .brand .ni{color:var(--brand)}
.sidebar .brand-tag{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  background:var(--card2);border:1px solid var(--line);border-radius:6px;padding:2px 6px;flex-shrink:0}
.nav a,.nav-logout{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;
  color:var(--muted);font-weight:500;font-size:14px;margin-bottom:2px;
  width:100%;box-sizing:border-box;
}
.nav-logout{border:0;background:none;font-family:inherit;cursor:pointer;text-align:left}
.nav a .ni,.nav-logout .ni{flex-shrink:0;color:var(--brand);opacity:1}
.nav a:hover,.nav-logout:hover{background:var(--card2);color:var(--text);text-decoration:none}
.nav a:hover .ni,.nav-logout:hover .ni{color:var(--brand-hi)}
.nav a.active{background:var(--brand);color:#fff}
.nav a.active .ni{color:#fff;opacity:1}
.nav-logout .ni{color:var(--bad)}
.nav .sep{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--dim);padding:14px 12px 6px}
.sidebar .foot{margin-top:auto;padding:10px 12px;font-size:12px;color:var(--dim)}
.langsw{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.langsw a{padding:5px 12px;font-size:12px;font-weight:700;color:var(--muted);background:var(--card)}
.langsw a:hover{text-decoration:none;color:var(--text)}
.langsw a.on{background:var(--brand);color:#fff}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;border-bottom:1px solid var(--line);background:var(--bg2);
}
.topbar .bal{background:var(--brand-soft);border:1px solid #DBE7FB;padding:7px 14px;border-radius:999px;font-weight:700;color:var(--brand2)}
.content{padding:24px;width:100%;max-width:1760px}

/* ---------- Card ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}
.card h2{margin-top:0}
.grid{display:grid;gap:16px}
/* Tự co giãn theo bề rộng thực: đủ chỗ thì nhiều cột, hẹp thì tự xuống 1 cột */
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr))}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.grid.c4{grid-template-columns:repeat(auto-fit,minmax(min(100%,235px),1fr))}
/* dải màn hình vừa: ép 2 cột cho gọn thay vì auto-fit ra 3+1 lẻ */
@media(min-width:781px) and (max-width:1180px){.grid.c4{grid-template-columns:repeat(2,1fr)}}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:14px;min-height:84px
}
.stat-txt{flex:1;min-width:0;display:flex;flex-direction:column;gap:7px}
.stat .k{
  margin:0;color:var(--muted);font-size:11.5px;font-weight:700;line-height:1.15;
  text-transform:uppercase;letter-spacing:.03em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis
}
.stat .v{
  margin:0;font-size:23px;font-weight:800;line-height:1;letter-spacing:-.015em;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis
}
.stat .v.brand{color:var(--brand)}
.stat .v.ok{color:var(--ok)} .stat .v.bad{color:var(--bad)}
.stat-ic{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:21px;line-height:1;
  background:var(--card2);color:var(--text)
}
.stat-ic.brand{background:#DBE7FE;color:var(--brand)}
.stat-ic.ok{background:#CDEFDA;color:var(--ok)}
.stat-ic.run{background:#D8E6FE;color:var(--run)}
.stat-ic.warn{background:#FBE7C6;color:var(--warn)}
.stat-ic.bad{background:#FBDCDC;color:var(--bad)}

/* ---------- Form ---------- */
label{display:block;margin:14px 0 5px;font-size:13.5px;font-weight:500;color:var(--muted)}
input,select,textarea{
  width:100%;max-width:100%;padding:10px 12px;border-radius:9px;border:1px solid var(--line);
  background:var(--bg);color:var(--text);font-size:14px;font-family:inherit;
}
select{text-overflow:ellipsis}
input:focus,select:focus,textarea:focus{outline:3px solid var(--brand-soft);border-color:var(--brand)}
textarea{min-height:90px;resize:vertical}
.btn{
  display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border:0;border-radius:9px;
  background:var(--brand);color:#fff;font-weight:700;cursor:pointer;font-size:14px;
}
.btn:hover{background:var(--brand-hi);text-decoration:none}
.btn.sm{padding:6px 12px;font-size:12.5px}
.btn.ghost{background:var(--card2);color:var(--text)}
.btn.ghost:hover{background:#E2E9F3}
.btn.accent{background:var(--accent);color:#fff}
.btn.accent:hover{background:var(--accent-hi)}
.btn.bad{background:var(--bad)}
.btn.ok{background:var(--ok)}
.btn.warn{background:var(--warn);color:#fff}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.inline-form{display:inline}

/* ---------- Bảng ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:13.5px;font-variant-numeric:tabular-nums}
.table-wrap table{min-width:640px}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
td{overflow-wrap:anywhere}
/* bảng dữ liệu (trong .table-wrap): không bẻ chữ, để bảng rộng ra và cuộn ngang */
.table-wrap td{overflow-wrap:normal}
th{background:var(--bg);color:var(--muted);font-weight:700;white-space:nowrap;font-size:13px}
tr:last-child td{border-bottom:0}
tr:hover td{background:var(--card2)}

/* ---------- Badge trạng thái ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.badge.ok{background:#E7F6EC;color:#15803D}
.badge.run{background:#E8F0FE;color:#1D4ED8}
.badge.warn{background:#FBF1E3;color:#B45309}
.badge.bad{background:#FCECEC;color:#DC2626}
.badge.muted{background:#EEF1F6;color:#64748B}

/* ---------- Announcement ---------- */
.announce{
  padding:12px 16px;border-radius:10px;margin-bottom:16px;
  background:var(--accent-soft);border:1px solid #F3D9A6;color:#8A5A00;font-size:13.5px
}
.announce a{color:#8A5A00;text-decoration:underline}

/* ---------- Flash ---------- */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:14px;font-weight:500}
.flash.success{background:#E7F6EC;color:#15803D;border:1px solid #BFE6CC}
.flash.error{background:#FCECEC;color:#B91C1C;border:1px solid #F4C7C7}

/* ---------- Auth ---------- */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth .box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px;width:100%;max-width:400px;box-shadow:var(--shadow)}
.auth-logo{display:block;text-align:center;margin-bottom:22px}
.auth-logo img{height:38px;width:auto;display:inline-block}
.auth .box h1{text-align:center;color:var(--brand);font-size:19px}
.auth .box .btn{width:100%;justify-content:center;margin-top:18px}
.auth .alt{text-align:center;margin-top:16px;color:var(--muted)}

.muted{color:var(--muted)}
.small{font-size:12.5px}
.right{text-align:right}
.nowrap{white-space:nowrap}
.pill-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pill-tabs a{padding:7px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--muted);font-weight:600;font-size:13px}
.pill-tabs a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.pill-tabs a.active{background:var(--brand);color:#fff;border-color:transparent}
/* Bộ lọc thời gian dashboard admin */
.dash-bar{padding:14px 16px}
.dash-filter{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 16px}
.dash-sel{display:flex;flex-direction:column;gap:5px}
.dash-sel span{font-size:12px;font-weight:600;color:var(--muted)}
.dash-sel select,.dash-sel input{width:auto;min-width:158px;padding:8px 12px}
.dash-custom{display:none}
.dash-custom:not([hidden]){display:flex;align-items:center;gap:6px}
.dash-custom input[type=date]{width:auto;padding:8px 10px;font-size:13px}
.dash-custom span{color:var(--dim)}
.dash-hint{margin:10px 0 0}
.dash-cron{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.prov-low{color:var(--bad);font-weight:700}
tfoot th{border-top:2px solid var(--line);font-weight:700}
.row-bad td{background:rgba(220,38,38,.06)}
:root[data-theme="dark"] .row-bad td{background:rgba(242,112,110,.1)}
.log-resp{max-width:560px}
.log-resp code{white-space:pre-wrap;word-break:break-all;font-size:12px}
.log-resp details summary{cursor:pointer;color:var(--muted);font-size:12.5px}
.log-resp pre{margin:6px 0 0;white-space:pre-wrap;word-break:break-all;font-size:12px;max-height:260px}
.pill-tabs.pf-icons a{display:inline-flex;align-items:center;gap:7px;color:var(--text)}
.pill-tabs.pf-icons a svg{flex-shrink:0;color:var(--pc,currentColor)}
.pill-tabs.pf-icons a.active,.pill-tabs.pf-icons a.active svg{color:#fff}
.pager{display:flex;gap:6px;margin-top:16px;flex-wrap:wrap}
.pager a,.pager span{padding:6px 11px;border-radius:8px;background:var(--card);border:1px solid var(--line)}
.pager .cur{background:var(--brand);color:#fff}

.menu-btn{display:none;background:var(--card2);border:1px solid var(--line);color:var(--text);padding:8px 12px;border-radius:8px;cursor:pointer;font-size:16px;flex-shrink:0}
.sb-scrim{position:fixed;inset:0;background:rgba(2,6,23,.45);opacity:0;pointer-events:none;transition:opacity .2s;z-index:55}
body:has(.sidebar.open) .sb-scrim{opacity:1;pointer-events:auto}

@media(max-width:860px){
  .sidebar{position:fixed;z-index:60;width:min(84vw,290px);transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 0 44px rgba(2,6,23,.35)}
  .sidebar.open{transform:none}
  .menu-btn{display:inline-flex!important}
  .content{padding:16px;max-width:100%}
  .topbar{padding:12px 14px;gap:10px}
  .topbar strong{font-size:14px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar .bal{flex-shrink:0}
}
@media(min-width:861px){.sb-scrim{display:none}}

@media(max-width:640px){
  .col-opt{display:none}
  .card{padding:15px;border-radius:12px;margin-bottom:14px}
  .stat{padding:14px;gap:11px;min-height:auto}
  .stat .v{font-size:20px}
  .stat-ic{width:40px;height:40px;font-size:19px}
  h1{font-size:18px} h2{font-size:15.5px}
  th,td{padding:9px 10px}
  .auth{padding:16px} .auth .box{padding:22px 20px}
  .btn{padding:10px 15px}
  .btn-row{gap:7px}
  .grid{gap:12px}
}

/* Dropdown thao tác trong bảng đơn */
td details{position:relative}
td details summary{list-style:none}
td details summary::-webkit-details-marker{display:none}
td details > div{box-shadow:0 12px 30px rgba(15,23,42,.18)}
td details .btn{margin:3px 0}

@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* ================= Trang chủ công khai (landing) ================= */
.lp{background:var(--bg2);font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.lp-wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.lp h1,.lp h2,.lp h3,.lp h4,.lp .lp-logo,.lp .lp-step-n,.lp .lp-price-v,
.lp .lp-hero-stats strong,.lp .lp-statn,.lp .lp-h2{
  font-family:"Plus Jakarta Sans","Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  letter-spacing:-.018em;
}

/* ---- Header ---- */
.lp-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .15s,box-shadow .15s}
.lp-head.is-stuck{border-bottom-color:var(--line);box-shadow:0 1px 16px rgba(15,23,42,.07)}
.lp-head-in{display:flex;align-items:center;gap:18px;height:66px}
.lp-logo{display:inline-flex;align-items:center;color:var(--text)}
.lp-logo:hover{text-decoration:none}
.lp-logo img{display:block;height:38px;width:auto}
.lp-nav{display:flex;gap:2px;margin-left:8px;flex:1}
.lp-nav a{padding:8px 12px;border-radius:8px;font-size:14px;font-weight:600;color:var(--muted)}
.lp-nav a:hover{background:var(--card2);color:var(--text);text-decoration:none}
.lp-head-cta{display:flex;align-items:center;gap:10px}
.lp-head-cta .btn{white-space:nowrap}
.lp-burger{display:none;background:var(--card2);border:1px solid var(--line);border-radius:8px;padding:6px 11px;font-size:16px;cursor:pointer;color:var(--text)}
.lp-mobile{display:none}
.lp-mobile:not([hidden]){display:flex;flex-direction:column;gap:2px;padding:10px 24px 18px;border-bottom:1px solid var(--line);background:#fff}
.lp-mobile a{padding:11px 12px;border-radius:8px;font-weight:600;color:var(--text)}
.lp-mobile a:hover{background:var(--card2);text-decoration:none}
.lp-mobile-cta{display:flex;gap:10px;margin-top:10px}
.lp-mobile-cta .btn{flex:1;justify-content:center}

/* ---- Hero ---- */
.lp-hero{position:relative;isolation:isolate;overflow:hidden;color:#fff;
  background:radial-gradient(1100px 520px at 78% -8%,#28407d 0%,rgba(40,64,125,0) 60%),
             linear-gradient(165deg,#0a1120 0%,#101f3d 52%,#183157 100%)}
.lp-hero::before,.lp-hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);z-index:-1;pointer-events:none}
.lp-hero::before{width:460px;height:460px;left:-140px;top:-120px;background:rgba(37,99,235,.42)}
.lp-hero::after{width:420px;height:420px;right:-120px;bottom:-160px;background:rgba(124,92,255,.34)}
.lp-hero-grid{position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:34px 34px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 78%);mask-image:linear-gradient(180deg,#000,transparent 78%)}
.lp-hero-in{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;padding:76px 24px 92px}
.lp-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);font-size:12.5px;font-weight:600;letter-spacing:.01em}
.lp-eyebrow .ni{width:15px;height:15px;color:#8FB8FF}
.lp-hero-copy h1{font-size:42px;line-height:1.12;margin:20px 0 0;font-weight:800;text-wrap:balance}
.lp-h1-sub{display:block;background:linear-gradient(100deg,#7FB0FF,#B99BFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.lp-hero-copy p{margin:18px 0 0;font-size:16px;line-height:1.64;color:#C3D0E6;max-width:35em}
.lp-hero-btns{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn.lg{padding:13px 24px;font-size:15px;border-radius:11px}
.btn.ghost-d{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2)}
.btn.ghost-d:hover{background:rgba(255,255,255,.2);text-decoration:none}
.lp-trust{display:flex;align-items:center;gap:12px;margin-top:24px;font-size:13px;color:#AEBDD6}
.lp-stars{display:inline-flex;gap:2px;color:#F6C544}
.lp-hero-stats{display:flex;flex-wrap:wrap;gap:16px 34px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1)}
.lp-hero-stats>div{display:flex;flex-direction:column;gap:3px}
.lp-hero-stats strong{font-size:20px;font-weight:800}
.lp-hero-stats span{font-size:11.5px;color:#93A4C4;text-transform:uppercase;letter-spacing:.05em}

/* hero mockup */
.lp-mock{position:relative}
.lp-mock-badge{position:absolute;z-index:2;display:inline-flex;align-items:center;gap:7px;
  background:#fff;color:var(--text);font-weight:700;font-size:12px;padding:8px 12px;border-radius:12px;
  box-shadow:0 16px 34px -12px rgba(3,10,30,.5)}
.lp-mock-badge svg{color:var(--pc)}
.lp-mock-badge.b1{right:14px;top:-16px}
.lp-mock-badge.b2{left:14px;bottom:-16px}
.lp-card{background:#fff;color:var(--text);border-radius:18px;padding:16px;
  box-shadow:0 40px 80px -28px rgba(3,10,30,.62);border:1px solid rgba(255,255,255,.14)}
.lp-card-bar{display:flex;align-items:center;gap:6px;padding:2px 2px 12px}
.lp-card-bar i{width:9px;height:9px;border-radius:50%;background:#E2E8F2}
.lp-card-bar i:nth-child(1){background:#FF5F57}.lp-card-bar i:nth-child(2){background:#FEBC2E}.lp-card-bar i:nth-child(3){background:#28C840}
.lp-card-bar span{margin-left:8px;font-size:11px;color:var(--dim)}
.lp-mini-tiles{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.lp-mini-tiles>div{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px}
.lp-mini-tiles small{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.lp-mini-tiles b{font-size:16px;font-variant-numeric:tabular-nums}
.lp-mini-tiles b.brand{color:var(--brand)}
.lp-mini-chart{margin:10px 0;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 8px 4px}
.lp-mini-chart svg{display:block;width:100%;height:64px}
.lp-mini-row{display:flex;align-items:center;gap:9px;padding:8px 4px;border-top:1px solid var(--line);font-size:12px}
.lp-mini-row:first-of-type{border-top:0}
.lp-mini-row svg{flex-shrink:0;color:var(--pc)}
.lp-mini-row .nm{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.lp-mini-row .qt{color:var(--muted);font-variant-numeric:tabular-nums}
.lp-tag{font-size:10px;font-weight:700;padding:2px 7px;border-radius:999px}
.lp-tag.ok{background:#E7F6EC;color:#15803D}
.lp-tag.run{background:#E8F0FE;color:#1D4ED8}

/* ---- Sections ---- */
.lp-section{padding:72px 0}
.lp-alt{background:var(--bg)}
.lp-h2{font-size:29px;font-weight:800;text-align:center;margin:0;text-wrap:balance}
.lp-sub{text-align:center;color:var(--muted);max-width:46em;margin:12px auto 0;font-size:15px;line-height:1.6}

/* platforms */
.lp-plats{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:30px}
.lp-plat{display:inline-flex;align-items:center;gap:9px;padding:10px 16px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);font-weight:600;font-size:13.5px;
  box-shadow:0 1px 2px rgba(15,23,42,.04);transition:transform .12s,box-shadow .12s}
.lp-plat:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.lp-plat svg{width:18px;height:18px;color:var(--pc,var(--brand))}

/* features */
.lp-feat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
.lp-feat-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;
  box-shadow:var(--shadow);transition:transform .14s,box-shadow .14s}
.lp-feat-card:hover{transform:translateY(-3px);box-shadow:0 1px 2px rgba(15,23,42,.06),0 18px 40px rgba(15,23,42,.12)}
.lp-ic{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  color:#fff;background:linear-gradient(135deg,var(--brand),#5B8DEF);box-shadow:0 8px 18px -6px rgba(37,99,235,.5)}
.lp-ic .ni{width:22px;height:22px}
.lp-ic.v2{background:linear-gradient(135deg,#7C5CFF,#9D7BFF);box-shadow:0 8px 18px -6px rgba(124,92,255,.5)}
.lp-ic.v3{background:linear-gradient(135deg,#F59E0B,#FBBF3F);box-shadow:0 8px 18px -6px rgba(245,158,11,.5)}
.lp-ic.v4{background:linear-gradient(135deg,#15803D,#34B36A);box-shadow:0 8px 18px -6px rgba(21,128,61,.45)}
.lp-feat-card h3{font-size:16px;font-weight:700;margin:16px 0 6px}
.lp-feat-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.62}

/* dashboard preview */
.lp-frame{margin-top:40px;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:0 40px 90px -40px rgba(15,23,42,.4)}
.lp-frame-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;background:var(--bg);border-bottom:1px solid var(--line)}
.lp-frame-bar i{width:11px;height:11px;border-radius:50%;background:#E2E8F2}
.lp-frame-bar i:nth-child(1){background:#FF5F57}.lp-frame-bar i:nth-child(2){background:#FEBC2E}.lp-frame-bar i:nth-child(3){background:#28C840}
.lp-frame-url{margin-left:12px;font-size:12px;color:var(--muted);background:var(--card);border:1px solid var(--line);
  border-radius:7px;padding:4px 12px}
.lp-frame-body{display:flex;min-height:340px}
.lp-fb-side{width:190px;flex-shrink:0;background:var(--bg2);border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;gap:7px}
.lp-fb-brand{height:22px;width:120px;border-radius:6px;background:linear-gradient(90deg,var(--brand),#8FB4F5);margin-bottom:8px}
.lp-fb-side span{height:30px;border-radius:8px;background:var(--card2)}
.lp-fb-side span.on{background:var(--brand-soft);border:1px solid #CFE0FF}
.lp-fb-main{flex:1;padding:18px;min-width:0}
.lp-fb-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.lp-fb-tiles>div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}
.lp-fb-tiles small{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.lp-fb-tiles b{display:block;margin-top:3px;font-size:18px;font-variant-numeric:tabular-nums}
.lp-fb-tiles b.brand{color:var(--brand)}
.lp-fb-chart{margin:14px 0;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 12px 6px}
.lp-fb-chart svg{display:block;width:100%;height:104px}
.lp-fb-table{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.lp-fb-tr{display:flex;align-items:center;gap:12px;padding:11px 14px;border-top:1px solid var(--line);font-size:12.5px}
.lp-fb-tr:first-child{border-top:0;background:var(--bg);font-weight:600;color:var(--muted);text-transform:uppercase;font-size:10.5px;letter-spacing:.04em}
.lp-fb-tr svg{flex-shrink:0;color:var(--pc)}
.lp-fb-tr .nm{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lp-fb-tr .qt{width:64px;text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.lp-fb-tr .st{width:88px;text-align:right}

/* steps */
.lp-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;position:relative}
.lp-steps::before{content:"";position:absolute;left:11%;right:11%;top:23px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px)}
.lp-step{position:relative;text-align:center;padding:0 6px}
.lp-step-n{position:relative;z-index:1;width:46px;height:46px;margin:0 auto;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),#5B8DEF);box-shadow:0 10px 22px -8px rgba(37,99,235,.6)}
.lp-step h3{font-size:15px;margin:16px 0 6px}
.lp-step p{margin:0;color:var(--muted);font-size:13px;line-height:1.58}

/* pricing */
.lp-price{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.lp-price .lp-h2,.lp-price .lp-sub{text-align:left;margin-left:0}
.lp-check{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column;gap:12px}
.lp-check li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.5}
.lp-check li svg{flex-shrink:0;margin-top:1px;color:var(--brand)}
.lp-price-r{position:relative;background:var(--card);border-radius:18px;padding:28px;text-align:center;
  box-shadow:0 30px 60px -30px rgba(37,99,235,.4)}
.lp-price-r::before{content:"";position:absolute;inset:0;border-radius:18px;padding:1.5px;
  background:linear-gradient(140deg,var(--brand),#9D7BFF);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.lp-price-k{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.lp-price-v{display:block;font-size:44px;font-weight:800;color:var(--brand);margin:8px 0 2px}
.lp-price-u{display:block;font-size:13px;color:var(--muted);margin-bottom:20px}
.lp-price-r .btn{width:100%;justify-content:center}

/* api */
.lp-api{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);gap:40px;align-items:center}
.lp-win{min-width:0}
.lp-code code{white-space:pre}
.lp-api .lp-h2,.lp-api .lp-sub{text-align:left;margin-left:0}
.lp-api .btn{margin-top:20px}
.lp-win{border-radius:14px;overflow:hidden;box-shadow:0 30px 70px -34px rgba(3,10,30,.7);border:1px solid #24324f}
.lp-win-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#141f36}
.lp-win-bar i{width:11px;height:11px;border-radius:50%}
.lp-win-bar i:nth-child(1){background:#FF5F57}.lp-win-bar i:nth-child(2){background:#FEBC2E}.lp-win-bar i:nth-child(3){background:#28C840}
.lp-win-bar span{margin-left:8px;font-size:11px;color:#8899b8}
.lp-code{margin:0;background:#0c1526;color:#cdd9ef;border:0;border-radius:0;padding:18px 20px;font-size:12.5px;line-height:1.75;overflow-x:auto}
.lp-code code{background:none;padding:0;color:inherit;font-size:inherit}
.lp-code .k{color:#7FB0FF}.lp-code .s{color:#7BD88F}.lp-code .c{color:#7c89a6}

/* stats band */
.lp-band{position:relative;isolation:isolate;overflow:hidden;color:#fff;text-align:center;padding:60px 24px;
  background:radial-gradient(700px 300px at 50% 0,#2c4a8f,transparent 70%),linear-gradient(160deg,#0f1d38,#1c3868)}
.lp-band-in{display:flex;flex-wrap:wrap;justify-content:center;gap:28px 64px}
.lp-band-in>div{min-width:150px}
.lp-statn{font-size:34px;font-weight:800;line-height:1}
.lp-band-in span{display:block;margin-top:7px;font-size:13px;color:#B7C4DD}

/* faq */
.lp-faq{max-width:780px}
.lp-faq-list{margin-top:28px;display:flex;flex-direction:column;gap:10px}
.lp-faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 18px;transition:border-color .12s}
.lp-faq details[open]{border-color:#CFE0FF}
.lp-faq summary{list-style:none;cursor:pointer;padding:16px 0;font-weight:700;font-size:14.5px;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.lp-faq summary::-webkit-details-marker{display:none}
.lp-faq summary::after{content:"+";font-size:20px;color:var(--brand);font-weight:400;flex-shrink:0;transition:transform .15s}
.lp-faq details[open] summary::after{content:"\2013"}
.lp-faq details p{margin:0 0 16px;color:var(--muted);font-size:13.5px;line-height:1.7}

/* final CTA */
.lp-cta{position:relative;isolation:isolate;overflow:hidden;color:#fff;text-align:center;padding:74px 24px;
  background:radial-gradient(600px 300px at 50% 120%,#3358a8,transparent 70%),linear-gradient(160deg,#0b1426,#1b365f)}
.lp-cta::after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;filter:blur(80px);
  background:rgba(37,99,235,.4);left:50%;top:-180px;transform:translateX(-50%);z-index:-1}
.lp-cta h2{font-size:32px;font-weight:800;margin:0;font-family:"Plus Jakarta Sans","Inter",system-ui,sans-serif}
.lp-cta p{margin:14px 0 26px;color:#C3D0E6}

/* footer */
.lp-foot{background:var(--bg2);border-top:1px solid var(--line);padding:52px 0 28px}
.lp-foot-in{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
.lp-foot-brand .lp-logo{margin-bottom:12px}
.lp-foot-brand p{max-width:32em;line-height:1.6}
.lp-foot-col h4{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--dim);margin:0 0 12px;font-weight:700}
.lp-foot-col a{display:block;padding:5px 0;color:var(--muted);font-size:14px}
.lp-foot-col a:hover{color:var(--text);text-decoration:none}
.lp-foot-bot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:38px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* trang tĩnh (điều khoản...) render trên layout công khai */
.site-main>.card{max-width:820px;margin:40px auto}
.site-main>.lp-wrap:first-child{padding-top:16px}

@media(max-width:1000px){
  .lp-hero-in{grid-template-columns:1fr;gap:44px;padding:56px 24px 64px}
  .lp-hero-copy h1{font-size:34px}
  .lp-hero-copy p,.lp-hero-stats{max-width:none}
  .lp-mock{max-width:430px;margin:6px auto 0}
  .lp-feat{grid-template-columns:1fr 1fr}
  .lp-steps{grid-template-columns:1fr 1fr;gap:26px}
  .lp-steps::before{display:none}
  .lp-price,.lp-api{grid-template-columns:minmax(0,1fr)}
  .lp-frame-body{flex-direction:column}
  .lp-fb-side{width:auto;flex-direction:row;overflow:auto;border-right:0;border-bottom:1px solid var(--line)}
  .lp-fb-side span{min-width:76px}
  .lp-fb-brand{display:none}
  .lp-fb-tiles{grid-template-columns:1fr 1fr}
  .lp-foot-in{grid-template-columns:1fr 1fr}
  .lp-foot-brand{grid-column:1/-1}
}
@media(max-width:900px){
  .lp-nav{display:none}
  .lp-head-cta{display:none}
  .lp-head-in{gap:10px}
  .lp-logo img{height:32px}
  .lp-burger{display:inline-flex;margin-left:auto}
  .lp-section{padding:52px 0}
  .lp-hero-in{padding:44px 20px 52px}
  .lp-wrap{padding:0 20px}
}
@media(max-width:560px){
  .lp-feat,.lp-steps,.lp-foot-in{grid-template-columns:1fr}
  .lp-mock{display:none}
  .lp-hero-copy h1{font-size:29px}
  .lp-hero-stats{gap:14px 22px}
  .lp-band-in{gap:22px 36px}
  .lp-statn{font-size:26px}
  .lp-h2{font-size:24px}
  .lp-code{padding:14px 16px;font-size:12px}
  .lp-foot-bot{flex-direction:column;align-items:flex-start;gap:10px}
}

/* ================= Chuyển Sáng / Tối ================= */
.pref-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.themesw a{display:inline-flex;align-items:center;justify-content:center;padding:5px 10px}
.themesw a svg{display:block}
.langsw.themesw{border-color:var(--line)}

/* ---- Overrides khi bật giao diện tối (token đã đổi ở :root[data-theme=dark]) ---- */
:root[data-theme="dark"] body{background:var(--bg)}
:root[data-theme="dark"] input,
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea{background:var(--card2);color:var(--text)}
:root[data-theme="dark"] .btn.ghost:hover{background:#26375A}
:root[data-theme="dark"] .topbar .bal{border-color:var(--line)}

:root[data-theme="dark"] .badge.ok,
:root[data-theme="dark"] .stat-ic.ok{background:rgba(62,207,134,.15);color:var(--ok)}
:root[data-theme="dark"] .badge.run,
:root[data-theme="dark"] .stat-ic.run{background:rgba(95,160,255,.15);color:var(--run)}
:root[data-theme="dark"] .badge.warn,
:root[data-theme="dark"] .stat-ic.warn{background:rgba(226,172,70,.15);color:var(--warn)}
:root[data-theme="dark"] .badge.bad,
:root[data-theme="dark"] .stat-ic.bad{background:rgba(242,112,110,.15);color:var(--bad)}
:root[data-theme="dark"] .badge.muted{background:rgba(154,172,198,.14);color:var(--muted)}
:root[data-theme="dark"] .stat-ic{background:var(--card2);color:var(--text)}
:root[data-theme="dark"] .stat-ic.brand{background:rgba(87,155,247,.16);color:var(--brand)}

:root[data-theme="dark"] .flash.success{background:rgba(62,207,134,.12);color:#7FE0AE;border-color:rgba(62,207,134,.3)}
:root[data-theme="dark"] .flash.error{background:rgba(242,112,110,.12);color:#F6A6A4;border-color:rgba(242,112,110,.32)}
:root[data-theme="dark"] .announce{border-color:rgba(245,166,35,.32);color:#EEC078}
:root[data-theme="dark"] .announce a{color:#EEC078}

/* landing: các mảng nền sáng cố định */
:root[data-theme="dark"] .lp-head{background:rgba(10,15,26,.78)}
:root[data-theme="dark"] .lp-mobile:not([hidden]){background:var(--bg2)}
:root[data-theme="dark"] .lp-faq details[open]{border-color:#2E466F}

/* landing: "ảnh chụp" sản phẩm luôn hiển thị nền sáng, kể cả giao diện tối */
.lp-card,.lp-frame{
  --bg:#F4F7FB;--bg2:#FFFFFF;--card:#FFFFFF;--card2:#EEF3FA;--line:#E2E8F2;
  --text:#0F172A;--muted:#64748B;--dim:#94A3B8;--brand:#2563EB;
  color:#0F172A;
}
.lp-mock-badge{--text:#0F172A}

/* logo bản chữ sáng cho giao diện tối */
:root[data-theme="dark"] .sidebar .brand img,
:root[data-theme="dark"] .auth-logo img,
:root[data-theme="dark"] .lp-logo img{content:url("logo-dark.png")}

/* ================= Chatbox liên hệ (nổi ở góc) ================= */
.cbox{position:fixed;right:18px;bottom:18px;z-index:45}
.cbox-fab{position:relative;width:56px;height:56px;border:none;border-radius:50%;cursor:pointer;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  box-shadow:0 8px 22px rgba(37,99,235,.42),0 2px 6px rgba(15,23,42,.22);
  transition:transform .18s ease,box-shadow .18s ease}
.cbox-fab:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,99,235,.5),0 3px 8px rgba(15,23,42,.24)}
.cbox-fab:active{transform:scale(.94)}
.cbox-fab:focus-visible{outline:3px solid var(--brand2);outline-offset:3px}
.cbox-fab::after{content:"";position:absolute;inset:0;border-radius:50%;pointer-events:none;
  box-shadow:0 0 0 0 rgba(37,99,235,.45);animation:cbox-pulse 2.6s ease-out infinite}
.cbox.open .cbox-fab::after{animation:none}
@keyframes cbox-pulse{0%{box-shadow:0 0 0 0 rgba(37,99,235,.45)}70%{box-shadow:0 0 0 18px rgba(37,99,235,0)}100%{box-shadow:0 0 0 0 rgba(37,99,235,0)}}
.cbox-i-open,.cbox-i-close{display:grid;place-items:center}
.cbox-i-close{display:none}
.cbox.open .cbox-i-open{display:none}
.cbox.open .cbox-i-close{display:grid}

.cbox-panel{position:absolute;right:0;bottom:70px;width:302px;max-width:calc(100vw - 36px);
  background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 18px 44px rgba(15,23,42,.18),0 4px 12px rgba(15,23,42,.1);
  opacity:0;transform:translateY(10px) scale(.97);transform-origin:bottom right;
  pointer-events:none;transition:opacity .16s ease,transform .16s ease}
.cbox.open .cbox-panel{opacity:1;transform:none;pointer-events:auto}
.cbox-hd{padding:15px 16px 13px;background:linear-gradient(135deg,var(--brand),var(--brand-hi));color:#fff}
.cbox-hd b{display:block;font-size:14.5px;font-weight:700}
.cbox-hd p{margin:4px 0 0;font-size:11.8px;line-height:1.5;color:rgba(255,255,255,.86)}
.cbox-list{padding:8px}
.cbox-ch{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:11px;color:var(--text)}
.cbox-ch:hover{background:var(--card2);text-decoration:none}
.cbox-ch:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.cbox-ic{flex-shrink:0;width:36px;height:36px;border-radius:10px;display:grid;place-items:center}
.cbox-tx{min-width:0;display:flex;flex-direction:column;line-height:1.3}
.cbox-tx b{font-size:13.5px;font-weight:700}
.cbox-tx i{font-size:11.5px;font-style:normal;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

@media(max-width:640px){
  .cbox{right:14px;bottom:14px}
  .cbox-fab{width:52px;height:52px}
  .cbox-panel{width:288px}
}
@media (prefers-reduced-motion:reduce){
  .cbox-fab::after{animation:none}
  .cbox-fab,.cbox-panel{transition:none}
}