/* Gọi Én — trang /vung, bản 5.0. Sinh tự động, đừng sửa tay. */
:root{
  --en-brand:#006360;
  --en-brand-2:#00847E;
  --en-brand-3:#00423F;
  --en-brand-4:#002A28;
  --en-mint:#5FDCC4;
  --en-mint-2:#8AEAD8;

  --en-ink:#12211F;
  --en-ink-2:#3C4C4A;
  --en-ink-3:#6C7C7A;

  --en-line:rgba(0,99,96,.16);
  --en-tint:#E9F4F3;
  --en-bg:#FFFFFF;
  --en-bg-2:#F2F8F7;

  --en-open:#006360;
  --en-open-bg:rgba(0,99,96,.10);
  --en-open-line:rgba(0,99,96,.24);
  --en-taken:#875D11;
  --en-taken-bg:rgba(196,146,26,.14);
  --en-taken-line:rgba(160,120,25,.32);

  --en-radius:16px;
  --en-max:1200px;

  --gl-blur:saturate(170%) blur(16px);
  --gl-hi:inset 0 1px 0 rgba(255,255,255,.86);
  --gl-hi-d:inset 0 1px 0 rgba(255,255,255,.17);
  --gl-sh:0 1px 2px rgba(0,42,40,.05), 0 10px 26px -8px rgba(0,42,40,.16);
  --gl-sh-2:0 2px 6px rgba(0,42,40,.07), 0 26px 54px -14px rgba(0,42,40,.26);
  --gl-face:linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.58));
  --gl-edge:rgba(255,255,255,.72);
}

.en-wrap *{box-sizing:border-box}
.en-wrap{
  position:relative;isolation:isolate;
  font-family:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--en-ink); max-width:var(--en-max); margin:0 auto; padding:0 20px;
  font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased;
}
/* nền màu mờ phía sau — thứ làm cho các bề mặt kính có gì để nhoè */
.en-wrap::before{
  content:"";position:absolute;inset:-30px 0 0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(680px 420px at 88% 4%,  rgba(0,132,126,.14), transparent 62%),
    radial-gradient(600px 460px at 2% 40%,  rgba(95,220,196,.16), transparent 60%),
    radial-gradient(740px 520px at 72% 86%, rgba(0,99,96,.11),   transparent 62%);
}
.en-wrap h1,.en-wrap h2,.en-wrap h3,.en-wrap h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.en-wrap p{margin:0}

/* ---------- phần mở ---------- */
.en-head{padding:34px 0 6px}

.en-hero{
  position:relative;overflow:hidden;border-radius:26px;color:#fff;
  padding:48px 44px 42px;
  background:
    radial-gradient(120% 130% at 86% 4%,  rgba(95,220,196,.32) 0, transparent 56%),
    radial-gradient(96% 130% at 2% 98%,   rgba(0,132,126,.55) 0, transparent 62%),
    linear-gradient(145deg,#002A28 0%,#006360 54%,#00423F 100%);
  box-shadow:0 34px 74px -28px rgba(0,42,40,.58), inset 0 1px 0 rgba(255,255,255,.17);
}
.en-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(158deg, rgba(255,255,255,.15) 0%, rgba(255,255,255,0) 40%);
}
.en-hero::after{
  content:"";position:absolute;right:-120px;top:-130px;width:380px;height:380px;border-radius:50%;
  pointer-events:none;border:1px solid rgba(255,255,255,.15);
  background:radial-gradient(circle at 34% 30%, rgba(255,255,255,.18), rgba(255,255,255,.03) 58%, transparent 72%);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.en-hero > *{position:relative;z-index:1}

.en-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.20);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  box-shadow:var(--gl-hi-d);
  color:#CFF3EA;font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  padding:7px 14px;border-radius:999px;
}
.en-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--en-mint);flex:none;
  box-shadow:0 0 0 3px rgba(95,220,196,.22)}

.en-hero h1{margin-top:18px;font-size:clamp(30px,4.6vw,50px);color:#fff;
  text-shadow:0 2px 18px rgba(0,20,19,.28)}
.en-hl{color:var(--en-mint)}

.en-lead{margin-top:16px;font-size:clamp(15.5px,1.5vw,18px);color:rgba(255,255,255,.78);max-width:60ch;line-height:1.65}
.en-lead strong{color:#fff;font-weight:700}

.en-stats{margin-top:30px;display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.en-stat{
  padding:18px 18px 16px;border-radius:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.13), rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:var(--gl-hi-d), 0 14px 32px -18px rgba(0,0,0,.55);
}
.en-stat b{display:block;font-size:34px;font-weight:800;letter-spacing:-.03em;line-height:1;color:var(--en-mint)}
.en-stat span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.70);line-height:1.5}

/* ---------- ba ô giải thích mô hình ---------- */
.en-model{margin-top:30px}
.en-model > h2{font-size:21px;margin-bottom:14px}
.en-model-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(275px,1fr))}
.en-step{
  padding:22px 22px 20px;border-radius:var(--en-radius);
  background:var(--gl-face);border:1px solid var(--gl-edge);
  -webkit-backdrop-filter:var(--gl-blur);backdrop-filter:var(--gl-blur);
  box-shadow:var(--gl-hi), var(--gl-sh);
}
.en-step .en-num{
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:50%;color:#fff;font-size:14px;font-weight:800;
  background:linear-gradient(180deg,var(--en-brand-2),var(--en-brand));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.34), 0 6px 14px -6px rgba(0,99,96,.6);
}
.en-step h3{margin-top:13px;font-size:16.5px}
.en-step p{margin-top:9px;font-size:14.5px;color:var(--en-ink-2);line-height:1.62}
.en-step.is-note{
  background:linear-gradient(180deg, rgba(255,246,225,.86), rgba(255,250,238,.62));
  border-color:rgba(255,255,255,.78);
}
.en-step.is-note .en-num{
  background:linear-gradient(180deg,#B8871A,#8A5E12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.34), 0 6px 14px -6px rgba(138,94,18,.6);
}

.en-keys{
  margin-top:16px;display:flex;flex-wrap:wrap;gap:9px 18px;align-items:center;
  font-size:13px;color:var(--en-ink-3);
}
.en-keys span.k{display:inline-flex;align-items:center;gap:7px}
.en-keys .sw{width:13px;height:13px;border-radius:5px;flex:none;box-shadow:var(--gl-hi)}
.en-keys .sw.open{background:var(--en-open-bg);border:1px solid var(--en-open-line)}
.en-keys .sw.taken{background:var(--en-taken-bg);border:1px solid var(--en-taken-line)}
.en-keys .gp{
  font-weight:800;font-size:10.5px;color:var(--en-open);background:var(--en-open-bg);
  border:1px solid var(--en-open-line);border-radius:5px;padding:2px 5px;flex:none;
}

/* ---------- thanh công cụ ---------- */
.en-tools{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:14px;
  border-radius:18px;background:var(--gl-face);border:1px solid var(--gl-edge);
  -webkit-backdrop-filter:var(--gl-blur);backdrop-filter:var(--gl-blur);
  box-shadow:var(--gl-hi), var(--gl-sh);
}
.en-search{
  flex:1 1 260px;min-width:0;display:flex;align-items:center;gap:9px;height:44px;padding:0 13px;
  border:1px solid rgba(0,99,96,.16);border-radius:11px;
  background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
  box-shadow:inset 0 1px 2px rgba(0,42,40,.05);
}
.en-search svg{flex:none;color:var(--en-brand);opacity:.6}
.en-search input{
  border:0;outline:0;background:transparent;font:inherit;font-size:15px;color:var(--en-ink);
  width:100%;height:100%;padding:0;
}
.en-search input::placeholder{color:var(--en-ink-3)}
.en-select{
  height:44px;border:1px solid rgba(0,99,96,.16);border-radius:11px;
  background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
  box-shadow:inset 0 1px 2px rgba(0,42,40,.05);
  font:inherit;font-size:15px;color:var(--en-ink);padding:0 34px 0 13px;cursor:pointer;appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23006360' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"),
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
  background-repeat:no-repeat,no-repeat;background-position:right 13px center,0 0;
}
.en-search:focus-within,.en-select:focus{border-color:var(--en-brand);box-shadow:0 0 0 3px rgba(0,99,96,.14)}

.en-btn{
  height:44px;padding:0 20px;border-radius:11px;cursor:pointer;white-space:nowrap;
  border:1px solid rgba(0,66,63,.85);color:#fff;font:inherit;font-weight:700;font-size:15px;
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(180deg,#00817B 0%,#006360 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.30), 0 8px 20px -8px rgba(0,99,96,.62);
  transition:transform .12s ease, box-shadow .18s ease, background .18s ease;
}
.en-btn:hover{background:linear-gradient(180deg,#00938C 0%,#00716D 100%)}
.en-btn:active{transform:translateY(1px);box-shadow:inset 0 2px 5px rgba(0,30,29,.28)}
.en-btn-ghost{
  color:var(--en-ink);font-weight:600;border-color:rgba(0,99,96,.22);
  background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.66));
  box-shadow:var(--gl-hi), 0 2px 6px rgba(0,42,40,.06);
}
.en-btn-ghost:hover{border-color:var(--en-brand);background:linear-gradient(180deg,#fff,rgba(255,255,255,.8))}

/* ---------- đếm ---------- */
.en-count{margin-top:16px;font-size:14px;color:var(--en-ink-3)}
.en-count b{color:var(--en-brand);font-weight:700}
.en-demo{
  margin:14px 0 0;padding:12px 15px;border-radius:12px;font-size:13.5px;line-height:1.55;color:#6A5312;
  background:linear-gradient(180deg, rgba(255,246,224,.86), rgba(255,251,240,.66));
  border:1px solid rgba(255,255,255,.7);
  -webkit-backdrop-filter:var(--gl-blur);backdrop-filter:var(--gl-blur);
  box-shadow:var(--gl-hi), 0 6px 18px -8px rgba(120,90,10,.28);
}
.en-demo b{color:#4A3A08}
.en-demo code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;
  background:rgba(180,140,30,.16);padding:1px 5px;border-radius:5px}

/* ---------- lưới vùng ---------- */
.en-grid{margin-top:18px;display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
.en-card{
  padding:18px 18px 16px;display:flex;flex-direction:column;border-radius:var(--en-radius);
  background:var(--gl-face);border:1px solid var(--gl-edge);
  -webkit-backdrop-filter:var(--gl-blur);backdrop-filter:var(--gl-blur);
  box-shadow:var(--gl-hi), var(--gl-sh);
  transition:transform .18s ease, box-shadow .18s ease;
}
.en-card:hover{transform:translateY(-3px);box-shadow:var(--gl-hi), var(--gl-sh-2)}
.en-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.en-card h3{font-size:19px}
.en-card h3 a{color:inherit;text-decoration:none;border-bottom:2px solid transparent}
.en-card h3 a:hover{border-bottom-color:var(--en-brand);color:var(--en-brand)}
.en-alias{margin-top:5px;font-size:13px;color:var(--en-ink-3);line-height:1.45}
.en-ratio{
  flex:none;font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:999px;white-space:nowrap;
  background:var(--en-open-bg);color:var(--en-open);border:1px solid var(--en-open-line);
  box-shadow:var(--gl-hi);
}
.en-ratio.is-full{background:var(--en-taken-bg);color:var(--en-taken);border-color:var(--en-taken-line)}

.en-mods{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.en-mod{
  font-size:12.5px;font-weight:600;padding:5px 10px;border-radius:9px;line-height:1.3;
  display:inline-flex;align-items:center;gap:5px;border:1px solid var(--en-line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7);
}
.en-mod.open{background:var(--en-open-bg);border-color:var(--en-open-line);color:var(--en-open)}
.en-mod.taken{background:var(--en-taken-bg);border-color:var(--en-taken-line);color:var(--en-taken)}
.en-mod .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.en-mod .lic{font-weight:800;font-size:11px;opacity:.75}

.en-card-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--en-line);display:flex;gap:10px;flex-wrap:wrap}
.en-link{
  font-size:14px;font-weight:700;color:var(--en-brand);text-decoration:none;
  display:inline-flex;align-items:center;gap:6px;padding:8px 0;
}
.en-link:hover{text-decoration:underline}
.en-card-foot .en-btn{height:38px;padding:0 15px;font-size:14px;margin-left:auto}

.en-empty{padding:40px 0;color:var(--en-ink-3);font-size:15px}

/* ---------- giải thích cuối trang ---------- */
.en-note{
  margin:38px 0 50px;padding:24px 26px;border-radius:20px;
  background:var(--gl-face);border:1px solid var(--gl-edge);
  -webkit-backdrop-filter:var(--gl-blur);backdrop-filter:var(--gl-blur);
  box-shadow:var(--gl-hi), var(--gl-sh);
}
.en-note h2{font-size:19px;margin-bottom:10px}
.en-note p{color:var(--en-ink-2);font-size:15px;max-width:78ch}
.en-note p + p{margin-top:9px}
.en-note a{color:var(--en-brand);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.en-note a:hover{color:var(--en-brand-3)}

/* ---------- popup ---------- */
.en-modal *{box-sizing:border-box}
.en-modal[hidden]{display:none!important}
.en-modal{
  position:fixed;inset:0;z-index:99999;display:flex;align-items:flex-start;justify-content:center;
  padding:24px 16px;overflow-y:auto;background:rgba(0,42,40,.46);
  -webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);
}
.en-modal-box{
  max-width:640px;width:100%;margin:auto;border-radius:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.80));
  border:1px solid rgba(255,255,255,.78);
  -webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);
  box-shadow:var(--gl-hi), 0 44px 92px -22px rgba(0,42,40,.55);
  font-family:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--en-ink);
}
.en-modal-head{padding:22px 24px 0;display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.en-modal-head h2{font-size:21px;font-weight:800;letter-spacing:-.02em;margin:0}
.en-modal-head p{margin-top:7px;font-size:14.5px;color:var(--en-ink-2);line-height:1.55}
.en-x{
  flex:none;width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:19px;line-height:1;
  color:var(--en-ink-3);border:1px solid rgba(0,99,96,.18);
  background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.7));
  box-shadow:var(--gl-hi);
}
.en-x:hover{color:var(--en-brand);border-color:var(--en-brand)}
.en-form{padding:18px 24px 24px}
.en-field{margin-top:15px}
.en-field label,.en-legend{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px}
.en-field .hint{font-weight:500;color:var(--en-ink-3);font-size:12.5px}
.en-field input[type=text],.en-field input[type=tel],.en-field input[type=email],
.en-field select,.en-field textarea{
  width:100%;border:1px solid rgba(0,99,96,.18);border-radius:11px;
  background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.78));
  box-shadow:inset 0 1px 2px rgba(0,42,40,.05);
  font:inherit;font-size:15px;color:var(--en-ink);padding:11px 13px;outline:0;
}
.en-field textarea{min-height:88px;resize:vertical}
.en-field :focus{border-color:var(--en-brand);box-shadow:0 0 0 3px rgba(0,99,96,.14)}
.en-modlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;margin-top:2px}
.en-check{
  display:flex;align-items:flex-start;gap:9px;border-radius:11px;padding:10px 11px;
  font-size:14px;cursor:pointer;line-height:1.4;border:1px solid rgba(0,99,96,.16);
  background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
  box-shadow:var(--gl-hi);
}
.en-check:hover{border-color:var(--en-brand)}
.en-check input{margin:2px 8px 0 0;flex:none;width:16px;height:16px;accent-color:var(--en-brand)}
.en-check.is-taken{opacity:.55;cursor:not-allowed;background:var(--en-taken-bg);border-color:var(--en-taken-line)}
.en-check .sub{display:block;font-size:12px;color:var(--en-ink-3);margin-top:2px}
.en-modal-foot{padding:4px 24px 24px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.en-modal-foot .en-btn{flex:none}
.en-legal{font-size:12.5px;color:var(--en-ink-3);line-height:1.5;margin-top:14px}
.en-err{color:#B00020;font-size:13.5px;font-weight:600;margin-top:12px}
.en-done{padding:22px 24px 26px}
.en-done h3{font-size:18px;margin-bottom:9px}
.en-done p{font-size:14.5px;color:var(--en-ink-2);line-height:1.6}
.en-done a{color:var(--en-brand);font-weight:600}
.en-done pre{
  margin-top:14px;border-radius:12px;padding:14px;font-size:13px;line-height:1.55;
  background:rgba(0,99,96,.06);border:1px solid var(--en-line);
  white-space:pre-wrap;word-break:break-word;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;max-height:240px;overflow:auto;
}

/* ---------- máy không hỗ trợ làm nhoè nền ---------- */
@supports not ((-webkit-backdrop-filter:blur(2px)) or (backdrop-filter:blur(2px))){
  .en-card,.en-step,.en-tools,.en-note{background:#fff;border-color:var(--en-line)}
  .en-step.is-note{background:#FFF8E9}
  .en-demo{background:#FFF9E8}
  .en-modal-box{background:#fff}
  .en-modal{background:rgba(0,42,40,.62)}
  .en-stat{background:rgba(255,255,255,.14)}
}

@media (max-width:860px){
  .en-hero{padding:34px 24px 30px;border-radius:20px}
  .en-hero::after{display:none}
  .en-stats{margin-top:24px;gap:10px}
  .en-stat{padding:15px 15px 14px}
  .en-stat b{font-size:28px}
}
@media (max-width:600px){
  .en-wrap{padding:0 16px}
  .en-head{padding:22px 0 6px}
  .en-hero{padding:28px 20px 26px}
  .en-stats{grid-template-columns:1fr;gap:8px;margin-top:22px}
  .en-stat{display:flex;align-items:baseline;gap:10px;padding:13px 15px}
  .en-stat b{font-size:25px;flex:none;min-width:56px}
  .en-stat span{margin-top:0;font-size:13px}
  .en-model{margin-top:24px}
  .en-model > h2{font-size:19px}
  .en-tools{padding:12px;border-radius:16px}
  .en-grid{grid-template-columns:1fr}
  .en-card-foot .en-btn{margin-left:0;width:100%;justify-content:center}
  .en-modlist{grid-template-columns:1fr}
}