/* Một cột, đọc như lời tự giới thiệu thân thiện; bút dạ quang vàng làm điểm nhấn duy nhất. */
:root{
  --bg:#F5F7F3; --card:#FFFFFF; --ink:#1E2420; --muted:#5E6862; --line:#E1E6E0;
  --accent:#2A6A4F; --accent-soft:#E2EFE8; --hl:#FFE066;
  --f:"Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#141815; --card:#1C211D; --ink:#E9EEEA; --muted:#A0AAA4; --line:#2C332E;
  --accent:#6FC9A0; --accent-soft:#1F3229; --hl:#7A6416; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#141815; --card:#1C211D; --ink:#E9EEEA; --muted:#A0AAA4; --line:#2C332E;
  --accent:#6FC9A0; --accent-soft:#1F3229; --hl:#7A6416; color-scheme:dark;
}
*{box-sizing:border-box}
html{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f);font-size:17px;line-height:1.7}
img{max-width:100%}
.wrap{max-width:760px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
h1,h2,h3{text-wrap:balance;margin:0;line-height:1.25}
mark{background:linear-gradient(transparent 55%,var(--hl) 55%);color:inherit;padding:0 2px}

header .wrap{padding-block:64px 32px;display:flex;flex-direction:column;gap:20px}
.who{display:flex;align-items:center;gap:14px}
.avatar{width:144px;height:144px;border-radius:50%;object-fit:cover;flex:none;background:var(--accent-soft);border:3px solid var(--card);box-shadow:0 0 0 1px var(--line)}
.who small{display:block;color:var(--muted);font-size:14px}
.who b{font-size:18px}
h1{font-size:clamp(34px,6vw,52px);font-weight:800;letter-spacing:-.02em}
.intro{font-size:19px;color:var(--muted);margin:0;max-width:58ch}
.intro strong{color:var(--ink);font-weight:600}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{font-size:14px;padding:6px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line)}
.badge.on{background:var(--accent-soft);border-color:transparent;color:var(--accent);font-weight:600}
.badge:empty{display:none}

.stats{display:grid;grid-template-columns:repeat(3,1fr);margin:6px 0 0;background:var(--card);border:1px solid var(--line);border-radius:16px;padding-block:20px}
.stats:empty{display:none}
.stats div{display:flex;flex-direction:column-reverse;align-items:center;justify-content:flex-end;gap:4px;text-align:center;padding-inline:8px;min-width:0}
.stats div+div{border-left:1px solid var(--line)}
.stats dd{margin:0;font-size:clamp(32px,6vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.05;font-variant-numeric:tabular-nums;white-space:nowrap}
.stats dd small{font-size:.5em;font-weight:700;letter-spacing:0}
.stats dt{font-size:14px;color:var(--muted);line-height:1.35}

section .wrap{padding-block:28px}
h2{font-size:24px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
h2 .n{font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:8px;padding:2px 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px}
p{margin:0 0 12px;max-width:62ch}
p:last-child{margin-bottom:0}
p:empty,li:empty,.note:empty{display:none}

.kutin h3{font-size:22px;font-weight:800;margin-bottom:6px}
.kutin .sub{color:var(--muted);font-size:15px;margin-bottom:14px}
.list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.list li{display:grid;grid-template-columns:22px 1fr;gap:10px}
.list li::before{content:"✓";color:var(--accent);font-weight:700}
.note{margin-top:14px;font-size:14px;color:var(--muted);background:var(--bg);border-radius:10px;padding:10px 12px}

.timeline{display:grid;gap:12px}
.job{display:grid;grid-template-columns:130px 1fr;gap:16px}
.job .when{color:var(--muted);font-size:14px;padding-top:3px;font-variant-numeric:tabular-nums}
.job h3{font-size:18px;font-weight:700}
.job .org{color:var(--muted);font-size:15px;margin-bottom:6px}
.job p{font-size:16px}
.job .desc{margin-top:10px}
.edu-body{display:flex;align-items:center;gap:14px;min-width:0}
.school{width:44px;height:auto;flex:none}
.logo-sq{border-radius:8px}
.work-photo{display:block;width:100%;height:auto;aspect-ratio:490/368;object-fit:cover;border-radius:12px;margin-top:14px;border:1px solid var(--line)}

.skills{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.skills .card h3{font-size:16px;font-weight:700;margin-bottom:10px}
.edu-card{grid-column:1/-1}
.skills .edu-card h3{font-size:18px;margin:0}
.edu-card .org{color:var(--muted);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:14px;padding:4px 10px;border-radius:8px;background:var(--bg);border:1px solid var(--line)}

.hero-contact{display:flex;flex-direction:column;gap:6px;margin-top:4px}
.hero-contact h2{font-size:20px;margin:0}
.hc-note{color:var(--muted);font-size:15px;margin:0 0 6px}
.contact{display:grid;gap:10px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 18px}
.row small{display:block;color:var(--muted);font-size:13px}
.row span{font-weight:600;user-select:all;word-break:break-all}
.copy{font-family:var(--f);font-size:14px;font-weight:600;background:var(--accent-soft);color:var(--accent);border:0;border-radius:10px;padding:8px 14px;cursor:pointer}

footer{border-top:1px solid var(--line);margin-top:24px}
footer .wrap{padding-block:28px 48px;color:var(--muted);font-size:14px;display:flex;flex-direction:column;align-items:center;gap:18px}
.socials{display:grid;grid-template-columns:minmax(0,max-content);justify-content:center;gap:12px;max-width:100%}
.socials a{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;font-size:14px;min-width:0}
.socials a:hover span{text-decoration:underline}
.socials svg{width:28px;height:28px;flex:none;color:var(--accent)}
.socials span{word-break:break-all}
.thanks{margin:0;text-align:center}

.toolbar{position:fixed;z-index:20;top:calc(12px + env(safe-area-inset-top,0px));right:calc(12px + env(safe-area-inset-right,0px));display:flex;gap:8px;align-items:center}
.pill{display:flex;align-items:center;gap:6px;font-family:var(--f);font-size:13px;font-weight:600;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 12px;cursor:pointer;box-shadow:0 4px 14px -6px rgba(0,0,0,.25)}
.pill:hover{border-color:var(--accent)}
.lang{padding:3px;gap:2px}
.lang button{font:inherit;color:var(--muted);background:transparent;border:0;border-radius:999px;padding:5px 10px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--accent);color:var(--card)}
.theme-toggle svg{width:16px;height:16px}
.theme-toggle .moon{display:none}
:root[data-theme="dark"] .theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .moon{display:block}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .theme-toggle .sun{display:none}:root:not([data-theme="light"]) .theme-toggle .moon{display:block}}

@media (max-width:560px){
  .job{grid-template-columns:1fr;gap:2px}
  .skills{grid-template-columns:1fr}
  .card{padding:18px}
  header .wrap{padding-block:64px 20px}
  .avatar{width:112px;height:112px}
}
.notfound{min-height:100vh;display:flex;align-items:center;text-align:center}.notfound .wrap{width:100%}.nf-code{font-size:64px;font-weight:800;margin:0}.nf-home{font-weight:600}
[hidden]{display:none!important}