/* layout: trình soạn code xanh navy toàn màn hình → bấm chạy → một cột lời chúc nền trắng kem, rộng tối đa 780px.
   màu theo nhận diện trường Cao đẳng Việt Mỹ: xanh navy + đỏ, điểm hồng phấn và vàng cho hoa. */
:root{
  /* trang chính (sáng) */
  --cream:#FAF7F2; --white:#FFFFFF; --hair:#E7E1D7;
  --navy:#1E2B5E; --navy-2:#2C3F94; --red:#D9213A; --red-deep:#A8162B;
  --pink:#F6CFD6; --pink-2:#EFA9B6; --gold:#E8B64C;
  --ink:#1A2140; --muted:#5A6283; --soft:#8A90AA;
  /* trình soạn code (tối) */
  --c-bg:#121A3A; --c-panel:#18214A; --c-bar:#0E1430; --c-line:#2A3566;
  --c-ink:#E9ECF7; --c-dim:#7F8AB4; --c-kw:#FF5C70; --c-str:#F6CFD6; --c-fn:#E8B64C;
  --c-cls:#8FB4FF; --c-num:#FFB07A; --c-prop:#C9D3FF;
  --shade:rgba(18,26,58,.62);
  --f-code:"Roboto Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --f-display:"Playfair Display", Georgia, "Times New Roman", serif;
  --f-hand:"Dancing Script", "Segoe Script", "Brush Script MT", cursive;
  --f-ui:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html{background:var(--cream)}
body{margin:0;font-family:var(--f-ui);font-size:16px;line-height:1.65;color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased}
body.lock{overflow:hidden;background:var(--c-bg)}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--red);outline-offset:3px}
canvas#sky,canvas#fx{position:fixed;inset:0;width:100%;height:100%;pointer-events:none}
canvas#sky{z-index:1}
canvas#fx{z-index:90}
.flash{position:fixed;inset:0;z-index:85;pointer-events:none;opacity:0;background:var(--cream)}
.flash.go{animation:flash 1.3s ease-out}
@keyframes flash{0%{opacity:0}30%{opacity:1}100%{opacity:0}}

.sound{position:fixed;z-index:95;top:calc(12px + env(safe-area-inset-top,0px));right:12px;
  font-family:var(--f-code);font-size:12px;padding:6px 12px;border-radius:999px;
  background:var(--white);border:1px solid var(--hair);color:var(--navy)}
.sound[aria-pressed="false"]{color:var(--soft)}

/* ===== cảnh 1: trình soạn code ===== */
#codeScene{position:fixed;inset:0;z-index:10;display:grid;place-items:center;background:var(--c-bg);
  background-image:radial-gradient(900px 500px at 50% -10%, var(--c-panel), transparent 70%);
  padding:calc(16px + env(safe-area-inset-top,0px)) 16px calc(16px + env(safe-area-inset-bottom,0px))}
#codeScene > *{grid-area:1/1}
#codeScene.leave{transition:opacity .9s .2s;opacity:0}
.editor{position:relative;width:min(920px,100%);height:min(660px,100%);display:grid;
  grid-template-rows:auto auto minmax(0,1fr) auto auto;background:var(--c-panel);color:var(--c-ink);
  border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
  box-shadow:0 40px 90px -20px rgba(0,0,0,.6);
  transition:transform .9s cubic-bezier(.6,0,.3,1),opacity .9s,filter .9s}
.editor.waiting{filter:blur(4px) saturate(.6);opacity:.4;transform:scale(.97)}
.editor.leave{transform:scale(.86) translateY(16px);opacity:0;filter:blur(8px)}
.titlebar{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--c-bar);font-family:var(--f-code);font-size:12px;color:var(--c-dim)}
.dots{display:flex;gap:7px}
.dots i{width:11px;height:11px;border-radius:50%;background:var(--red)}
.dots i:nth-child(2){background:var(--gold)}
.dots i:nth-child(3){background:var(--c-cls)}
.tb-name{flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.tabs{display:flex;align-items:stretch;justify-content:space-between;gap:8px;background:var(--c-bar);border-bottom:1px solid var(--c-line)}
.tab{display:flex;align-items:center;gap:8px;padding:9px 16px;background:var(--c-panel);font-family:var(--f-code);font-size:13px;border-top:2px solid var(--red);white-space:nowrap;min-width:0}
.tab .js{font-size:10px;font-weight:600;color:var(--gold)}
.tab .dirty{color:var(--c-dim);font-size:10px}
.tools{display:flex;gap:6px;align-items:center;padding:0 8px}
.tbtn{font-family:var(--f-code);font-size:12px;padding:6px 12px;border-radius:6px;background:var(--c-panel);border:1px solid var(--c-line);color:var(--c-ink);white-space:nowrap}
.tbtn:disabled{opacity:.4;cursor:default}
.tbtn.run{border-color:var(--red)}
.tbtn.run.ready{background:var(--red);color:var(--white);font-weight:600;animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(217,33,58,.75)}70%{box-shadow:0 0 0 14px rgba(217,33,58,0)}100%{box-shadow:0 0 0 0 rgba(217,33,58,0)}}
.codebody{overflow:auto;padding:14px 0 28px;font-family:var(--f-code);font-size:14px;line-height:1.7}
.ln{display:grid;grid-template-columns:3.4em minmax(0,1fr);min-height:1.7em}
.ln.cur{background:rgba(255,255,255,.04)}
.no{color:var(--c-dim);opacity:.7;text-align:right;padding-right:1.1em;user-select:none}
.ln.cur .no{opacity:1}
.cd{white-space:pre-wrap;overflow-wrap:anywhere;padding-right:16px;min-width:0}
.t-com{color:var(--c-dim);font-style:italic}
.t-str{color:var(--c-str)}
.t-kw{color:var(--c-kw);font-weight:600}
.t-num{color:var(--c-num)}
.t-cls{color:var(--c-cls)}
.t-fn{color:var(--c-fn)}
.t-prop{color:var(--c-prop)}
.caret{display:inline-block;width:2px;height:1.15em;margin-left:1px;background:var(--red);vertical-align:text-bottom;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hint{position:absolute;left:50%;bottom:64px;transform:translateX(-50%);z-index:3;font-family:var(--f-code);font-size:13px;padding:8px 16px;border-radius:999px;white-space:nowrap;
  background:var(--c-bar);border:1px solid var(--red);color:var(--c-ink);animation:rise .5s ease-out}
.hint b{color:var(--c-kw)}
@keyframes rise{from{opacity:0;transform:translate(-50%,10px)}}
.terminal{height:0;overflow:hidden;background:var(--c-bar);font-family:var(--f-code);font-size:13px;line-height:1.75;transition:height .5s cubic-bezier(.4,0,.2,1)}
.terminal.open{height:clamp(190px,40%,270px);border-top:1px solid var(--c-line)}
.term-head{padding:6px 16px;font-size:11px;letter-spacing:.08em;color:var(--c-dim);border-bottom:1px solid var(--c-line)}
#termOut{padding:8px 16px 16px;height:calc(100% - 30px);overflow:auto}
#termOut div{white-space:pre-wrap;overflow-wrap:anywhere}
.ok{color:#8FE0B0}
.t-dim{color:var(--c-dim)}
.status{display:flex;gap:16px;align-items:center;padding:4px 14px;background:var(--red);font-family:var(--f-code);font-size:11.5px;color:var(--white)}
.status span:first-child{margin-right:auto}

.intro{position:relative;z-index:4;width:min(400px,100%);padding:26px 26px 24px;text-align:center;background:var(--white);color:var(--ink);
  border-radius:16px;box-shadow:0 30px 80px -10px rgba(0,0,0,.6);animation:pop .6s cubic-bezier(.2,1.3,.4,1);transition:opacity .35s,transform .35s;overflow:hidden}
.intro::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,var(--navy) 50%,var(--red) 50%)}
.intro.gone{opacity:0;transform:scale(.94)}
@keyframes pop{from{opacity:0;transform:scale(.9) translateY(10px)}}
.intro-logo{height:64px;width:auto;margin:6px auto 14px;display:block}
.file-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:8px;background:var(--cream);border:1px solid var(--hair);font-family:var(--f-code);font-size:14px;font-weight:600;color:var(--navy);animation:bob 2.4s ease-in-out infinite;max-width:100%;overflow-wrap:anywhere}
.file-pill b{font-size:10px;color:var(--white);background:var(--red);padding:1px 6px;border-radius:4px}
@keyframes bob{50%{transform:translateY(-4px)}}
.intro-k{margin:0 0 10px;color:var(--muted);font-size:14px}
.intro-s{margin:10px 0 20px;color:var(--navy);font-size:14px}
.intro-n{margin:12px 0 0;font-size:12.5px;color:var(--soft)}
.cta{font-family:var(--f-ui);font-weight:600;font-size:15px;padding:12px 26px;border-radius:999px;border:0;background:var(--red);color:var(--white);
  box-shadow:0 10px 24px -10px rgba(217,33,58,.8);transition:transform .15s,background .15s}
.cta:hover{transform:translateY(-2px);background:var(--red-deep)}
.ghost{font-family:var(--f-ui);font-weight:500;font-size:15px;padding:11px 22px;border-radius:999px;background:var(--white);border:1px solid var(--navy);color:var(--navy)}
.ghost:hover{background:var(--navy);color:var(--white)}

/* ===== cảnh 2: món quà ===== */
.stripe{position:sticky;top:0;z-index:20;height:6px;display:flex}
.stripe span{flex:1;background:var(--navy)}
.stripe span + span{background:var(--red)}
#gift{position:relative;z-index:2}
.wrap{max-width:780px;margin:0 auto;padding-inline:16px}
.sec{padding-block:64px}
.hero{padding-block:40px 28px;display:flex;flex-direction:column;align-items:center;text-align:center}
.hero-logo{height:72px;width:auto}
#bloom{width:min(280px,68vw);aspect-ratio:1;max-width:100%;margin-top:4px}
.draw{display:block;width:100%;height:auto;overflow:visible}
.draw text{fill:var(--red);stroke:var(--red);stroke-width:1.2;stroke-dasharray:760;stroke-dashoffset:0;fill-opacity:1}
.draw.play text{animation:write 2.8s ease forwards}
@keyframes write{0%{stroke-dashoffset:760;fill-opacity:0}65%{stroke-dashoffset:0;fill-opacity:0}100%{stroke-dashoffset:0;fill-opacity:1}}
.draw.big{max-width:420px;margin-top:-56px}
.draw.big text{font-family:var(--f-display);font-style:italic;font-weight:700;font-size:140px}
.draw.sig{max-width:460px}
.draw.sig text{font-family:var(--f-hand);font-weight:700;font-size:86px;fill:var(--navy);stroke:var(--navy)}
h1,h2,h3{font-family:var(--f-display);font-weight:600;text-wrap:balance;margin:0;line-height:1.2;color:var(--navy)}
h1{font-size:clamp(1.9rem,6vw,3rem);margin-top:-4px}
h2{font-size:clamp(1.55rem,4.4vw,2.2rem)}
h3{font-size:1.15rem}
.lead{max-width:32em;margin:12px auto 0;font-family:var(--f-display);font-style:italic;font-size:1.2rem;color:var(--ink)}
.sub{max-width:34em;margin:8px auto 0;color:var(--muted)}
.output{margin:22px 0 0;font-family:var(--f-code);font-size:12.5px;color:var(--navy-2);padding:6px 14px;border:1px dashed var(--hair);border-radius:8px;background:var(--white)}
.output .prompt{color:var(--red)}
.scroll{margin-top:24px;color:var(--red);text-decoration:none;font-weight:500;font-size:14px;animation:nudge 1.8s ease-in-out infinite}
@keyframes nudge{50%{transform:translateY(5px)}}
.eyebrow{font-family:var(--f-code);font-size:13px;color:var(--red);margin:0 0 8px}
.intro-p{color:var(--muted);margin:10px 0 0;max-width:36em}

/* vườn lời chúc */
.legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;font-size:13px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:9px;height:9px;border-radius:50%;background:var(--gold)}
.legend i.dongnghiep{background:var(--navy)}
.legend i.sinhvien{background:var(--red)}
.wishcard{position:relative;margin-top:22px;background:var(--white);border:1px solid var(--hair);border-radius:16px;padding:22px 22px 18px;overflow:hidden;min-height:170px;display:flex;flex-direction:column}
.wishcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--gold)}
.wishcard[data-nhom="dongnghiep"]::before{background:var(--navy)}
.wishcard[data-nhom="sinhvien"]::before{background:var(--red)}
.wc-meta{font-family:var(--f-code);font-size:12px;color:var(--soft)}
.wc-text{font-family:var(--f-display);font-size:clamp(1.2rem,3.6vw,1.5rem);line-height:1.45;color:var(--ink);margin:8px 0 14px;flex:1}
.wc-text.swap{animation:swap .5s ease}
@keyframes swap{from{opacity:0;transform:translateY(8px)}}
.wc-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.wc-count{font-size:13px;color:var(--muted);margin-left:auto}
.flowers{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px;margin-top:18px}
.fl{position:relative;aspect-ratio:1;padding:6px;border-radius:14px;background:var(--white);border:1px solid var(--hair);display:grid;place-items:center;transition:transform .2s,border-color .2s}
.fl:hover{transform:translateY(-3px);border-color:var(--pink-2)}
.fl svg{width:78%;height:78%;transition:transform .6s cubic-bezier(.2,1.5,.4,1)}
.fl:not(.seen) svg{transform:scale(.55) rotate(-40deg)}
.fl:not(.seen) .petal{fill:var(--pink)}
.fl .no2{position:absolute;bottom:3px;right:6px;font-family:var(--f-code);font-size:10px;color:var(--soft)}
.fl .dot{position:absolute;top:6px;left:6px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.fl[data-nhom="dongnghiep"] .dot{background:var(--navy)}
.fl[data-nhom="sinhvien"] .dot{background:var(--red)}
.fl.active{border-color:var(--red);box-shadow:0 0 0 2px var(--pink)}

/* thư */
.envs{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-top:28px}
.env{display:flex;flex-direction:column;gap:4px;padding:0;background:none;border:0;text-align:left}
.env-art{position:relative;display:block;width:100%;aspect-ratio:16/10;perspective:800px;transition:transform .3s}
.env:hover .env-art{transform:translateY(-6px) rotate(-1deg)}
.env-art > span{position:absolute;display:block}
.env-back{inset:0;background:var(--navy);border-radius:10px}
.env-letter{left:8%;right:8%;top:8%;bottom:10%;background:var(--white);border-radius:4px;z-index:2;
  background-image:repeating-linear-gradient(transparent 0 13px,var(--hair) 13px 14px);background-position:0 18px;transition:transform .55s cubic-bezier(.3,1.3,.5,1) .15s}
.env-front{inset:0;background:var(--navy-2);border-radius:10px;z-index:3;clip-path:polygon(0 0,50% 56%,100% 0,100% 100%,0 100%)}
.env-flap{left:0;right:0;top:0;height:60%;background:var(--navy);z-index:4;transform-origin:top;clip-path:polygon(0 0,100% 0,50% 100%);transition:transform .45s,z-index 0s .22s}
.env.sv .env-back,.env.sv .env-flap{background:var(--red-deep)}
.env.sv .env-front{background:var(--red)}
.seal{left:50%;top:56%;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;z-index:5;background:var(--white);color:var(--red);
  display:grid !important;place-items:center;font-size:20px;box-shadow:0 3px 0 rgba(0,0,0,.15);transition:opacity .25s,transform .25s}
.env.opening .env-flap{transform:rotateX(180deg);z-index:1}
.env.opening .seal{opacity:0;transform:scale(.4)}
.env.opening .env-letter{transform:translateY(-34%)}
.env-to{font-family:var(--f-display);font-size:1.15rem;font-weight:600;color:var(--navy);margin-top:12px}
.env-file{font-family:var(--f-code);font-size:12.5px;color:var(--soft)}

.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:16px;background:var(--shade);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fade .3s}
@keyframes fade{from{opacity:0}}
.paper{position:relative;width:min(640px,100%);max-height:86vh;overflow:auto;background:var(--white);color:var(--ink);border-radius:8px;
  padding:26px clamp(20px,5vw,44px) 30px;font-family:var(--f-display);font-size:17px;line-height:32px;
  background-image:repeating-linear-gradient(transparent 0 31px,var(--cream) 31px 32px);background-position:0 70px;
  box-shadow:0 40px 90px -10px rgba(0,0,0,.45);animation:paperIn .55s cubic-bezier(.2,1.2,.4,1);border-top:6px solid var(--navy)}
.paper.sv{border-top-color:var(--red)}
@keyframes paperIn{from{transform:translateY(40px) rotate(-1.5deg);opacity:0}}
.paper header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.p-file{font-family:var(--f-code);font-size:12px;color:var(--navy);background:var(--cream);padding:2px 10px;border-radius:4px}
.p-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--hair);background:var(--white);color:var(--ink);font-size:22px;line-height:1}
.p-text p{margin:0 0 32px}
.p-text .l-h{font-weight:600;color:var(--navy);margin-bottom:16px}
.p-text .l-s{margin:0;font-style:italic}
.p-text .l-n{margin:0;font-family:var(--f-hand);font-size:34px;line-height:48px;color:var(--red)}
.p-text .caret{background:var(--red)}
.p-skip{margin-top:4px;font-family:var(--f-code);font-size:12px;padding:6px 12px;border-radius:6px;border:1px solid var(--hair);background:var(--white);color:var(--ink)}

/* những điều nhỏ bé */
.things{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:26px}
.thing{background:var(--white);border:1px solid var(--hair);border-radius:14px;padding:18px 18px 16px;display:flex;flex-direction:column;gap:6px}
.thing svg{width:30px;height:30px;stroke:var(--red);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.thing:nth-child(even) svg{stroke:var(--navy)}
.thing p{margin:0;color:var(--muted);font-size:15px}
.js-reveal .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.js-reveal .reveal.in{opacity:1;transform:none}

/* viết thiệp */
.maker{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:26px;align-items:start}
.form{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;font-weight:500;color:var(--navy)}
.field input,.field textarea{font:inherit;font-size:16px;color:var(--ink);background:var(--white);border:1px solid var(--hair);border-radius:10px;padding:10px 12px;width:100%}
.field textarea{min-height:110px;resize:vertical}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.small{font-size:13px;color:var(--muted)}
.linkbtn{background:none;border:0;padding:0;color:var(--red);font-size:14px;font-weight:500;text-decoration:underline;text-underline-offset:3px}
.card{position:relative;background:var(--white);border-radius:16px;overflow:hidden;border:1px solid var(--hair);box-shadow:0 20px 50px -24px rgba(30,43,94,.45);padding:26px 24px 22px;text-align:center}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:8px;background:linear-gradient(90deg,var(--navy) 50%,var(--red) 50%)}
.card-logo{height:40px;width:auto;margin:4px auto 6px;display:block}
.card-date{font-family:var(--f-display);font-style:italic;font-weight:700;font-size:44px;line-height:1.1;color:var(--red)}
.card-to{font-family:var(--f-display);font-size:1.2rem;color:var(--navy);margin-top:6px;overflow-wrap:anywhere}
.card-msg{font-family:var(--f-display);font-size:1.08rem;line-height:1.6;color:var(--ink);margin:12px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
.card-from{font-family:var(--f-hand);font-size:28px;color:var(--navy);margin-top:12px;overflow-wrap:anywhere}
.card-flowers{display:flex;justify-content:center;gap:6px;margin-top:4px}
.card-flowers svg{width:22px;height:22px}
.toast{min-height:1.4em;font-size:13px;color:var(--navy-2)}

/* lời kết */
.finale{text-align:center;display:flex;flex-direction:column;align-items:center}
.quote{font-family:var(--f-display);font-style:italic;font-size:clamp(1.15rem,3.4vw,1.4rem);line-height:1.6;color:var(--ink);max-width:30em;margin:14px auto 0}
.itline{margin:34px 0 0;font-family:var(--f-code);font-size:13.5px;color:var(--navy);background:var(--white);border:1px solid var(--hair);border-radius:10px;padding:12px 16px;max-width:100%;text-align:left}
.itline .k{color:var(--red)}
.finale .from{margin:4px 0 0;color:var(--muted)}
.btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}
footer{padding:28px 16px 40px;text-align:center;font-family:var(--f-code);font-size:12px;color:var(--soft)}

@media (max-width:560px){
  .codebody{font-size:12.5px}
  .ln{grid-template-columns:2.6em minmax(0,1fr)}
  .no{padding-right:.8em}
  .tab{padding:8px 10px;font-size:12px}
  .tbtn{padding:6px 9px;font-size:11.5px}
  .hide-sm{display:none}
  .tb-name{text-align:right}
  .hint{bottom:58px;font-size:12px}
  .draw.big{margin-top:-44px}
  .sec{padding-block:52px}
  .flowers{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}

/* ===== cập nhật: hai logo, hai khu vườn ===== */
.logos{display:flex;align-items:center;justify-content:center;gap:16px}
.logos img + img{padding-left:16px;border-left:1px solid var(--hair)}
.hero-logos img:first-child{height:72px;width:auto}
.hero-logos img + img{height:72px;width:auto;box-sizing:content-box}
.intro-logos{margin:8px auto 14px}
.intro-logos img{height:56px;width:auto}
.intro-logos img + img{box-sizing:content-box}
.card-logos{margin:4px auto 6px;gap:10px}
.card-logos img{height:34px;width:auto}
.card-logos img + img{padding-left:10px;box-sizing:content-box}
.wrap.wide{max-width:1080px}
.gardens{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:28px;margin-top:26px;align-items:start}
.garden-col{display:flex;flex-direction:column;min-width:0}
.col-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-bottom:10px;border-bottom:3px solid var(--navy)}
.garden-col[data-col="sv"] .col-head{border-bottom-color:var(--red)}
.col-head h3{font-size:1.35rem}
.garden-col[data-col="sv"] .col-head h3{color:var(--red)}
.col-head span{font-family:var(--f-code);font-size:12px;color:var(--soft)}
.garden-col .wishcard{margin-top:16px;min-height:210px}
.wishcard[data-col="dn"]::before{background:var(--navy)}
.wishcard[data-col="sv"]::before{background:var(--red)}
.garden-col[data-col="sv"] .cta{background:var(--red)}
.garden-col[data-col="dn"] .cta{background:var(--navy);box-shadow:0 10px 24px -10px rgba(30,43,94,.7)}
.garden-col[data-col="dn"] .cta:hover{background:var(--navy-2)}
.garden-col .wc-text{font-size:clamp(1.05rem,2.6vw,1.22rem)}
.garden-col .flowers{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:14px}
.garden-col[data-col="dn"] .fl.active{border-color:var(--navy);box-shadow:0 0 0 2px var(--pink)}
.night{position:fixed;inset:0;z-index:86;pointer-events:none;opacity:0;transition:opacity .8s ease;
  background:radial-gradient(1200px 700px at 50% 100%, var(--navy-2), var(--c-bar) 70%)}
.night.on{opacity:.93}

/* ===== sửa hiển thị trên điện thoại ===== */
.hint{cursor:pointer;font:inherit;font-family:var(--f-code)}
.status{white-space:nowrap;overflow:hidden}
@media (max-width:560px){
  .tab{display:none}
  .tools{flex:1;padding:6px 8px;gap:8px}
  .tools .tbtn{flex:1;padding:10px 8px;font-size:13px}
  .codebody{font-size:11.5px;line-height:1.65;padding-bottom:70px}
  .ln{grid-template-columns:2.3em minmax(0,1fr)}
  #pos{display:none}
  .hint{bottom:44px;font-size:13px;padding:10px 18px}
  .titlebar{padding:8px 12px}
}
.editor{grid-template-columns:minmax(0,1fr)}
.tabs,.titlebar{min-width:0}
@media (max-width:560px){
  #codeScene{padding-top:calc(56px + env(safe-area-inset-top,0px))}
}

/* ảnh thầy An */
.sender{display:flex;align-items:center;justify-content:center;gap:10px;margin:14px 0 20px}
.sender img{width:52px;height:52px;border-radius:50%;object-fit:cover;border:3px solid var(--white);box-shadow:0 0 0 2px var(--red)}
.sender .intro-s{margin:0;text-align:left}
.me{width:120px;height:120px;border-radius:50%;object-fit:cover;margin-top:30px;border:4px solid var(--white);
  box-shadow:0 0 0 3px var(--navy),0 0 0 6px var(--red),0 14px 30px -10px rgba(30,43,94,.5)}
.me + .draw.sig{margin-top:-6px}