:root{
  --coral:#FF5F6D;--orange:#FFB33A;--mint:#5EE6B8;--navy:#14244B;
  --grad:linear-gradient(135deg,#FF5F6D 0%,#FF8A50 55%,#FFB33A 100%);
  --bg:#FFF8F3;--card:#fff;--muted:#5b6785;--line:#F1E3DA;--soft:#FFF0E8;
  --r:20px;--r-sm:14px;--shadow:0 10px 30px rgba(20,36,75,.08);--shadow-lg:0 18px 50px rgba(255,95,109,.22);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--navy);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--coral);text-decoration:none}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
/* header */
.hdr{position:sticky;top:0;z-index:30;background:rgba(255,248,243,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:12px;height:62px}
.brand{display:flex;align-items:center;gap:8px;color:var(--navy);font-weight:800;font-size:20px}
.brand img{width:38px;height:38px;border-radius:12px}
.nav{display:none;gap:22px;margin-left:auto}
.nav a{color:var(--navy);font-weight:600;font-size:15px}
.nav a:hover{color:var(--coral)}
.hdr .spacer{flex:1}
@media(min-width:860px){.nav{display:flex}.hdr .spacer{flex:0}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;font:inherit;font-weight:700;cursor:pointer;transition:transform .12s,box-shadow .2s,opacity .2s;text-align:center}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{box-shadow:0 20px 50px rgba(255,95,109,.35)}
.btn-ghost{background:#fff;color:var(--navy);border:2px solid var(--line)}
.btn-ghost:hover{border-color:var(--coral)}
.btn-mint{background:var(--mint);color:var(--navy)}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
/* hero */
.hero{padding:42px 0 30px;position:relative;overflow:hidden}
.hero .wrap{display:grid;gap:28px;align-items:center}
.hero h1{font-size:clamp(32px,7.5vw,58px)}
.hero p.lead{font-size:18px;color:var(--muted);max-width:560px}
.pill{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:14px}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--mint)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 10px}
.hero-note{font-size:14px;color:var(--muted)}
.hero-art{position:relative;display:flex;justify-content:center}
.hero-art .blob{width:min(78vw,380px);aspect-ratio:1;border-radius:42% 58% 55% 45%/50% 45% 55% 50%;background:radial-gradient(circle at 30% 30%,#ffe0d0,#fff4ea 60%,transparent 70%);position:absolute;inset:auto;z-index:0}
.hero-art img{position:relative;z-index:1;width:min(62vw,300px);border-radius:28%;filter:drop-shadow(0 20px 40px rgba(255,95,109,.3));animation:float 4s ease-in-out infinite}
.chip-float{position:absolute;z-index:2;background:#fff;border-radius:14px;padding:8px 12px;font-size:13px;font-weight:700;box-shadow:var(--shadow)}
.chip-float.a{top:8%;left:2%}.chip-float.b{bottom:12%;right:0}.chip-float.c{bottom:0;left:10%}
@keyframes float{50%{transform:translateY(-10px) rotate(-2deg)}}
@media(min-width:860px){.hero{padding:70px 0 50px}.hero .wrap{grid-template-columns:1.15fr .85fr}}
/* sections */
section{padding:44px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 28px}
.sec-head h2{font-size:clamp(26px,5vw,38px)}
.sec-head p{color:var(--muted)}
.grid{display:grid;gap:16px}
@media(min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}}
@media(min-width:640px) and (max-width:899px){.grid-4{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--card);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);border:1px solid var(--line)}
.tool-card{display:flex;flex-direction:column;gap:8px;color:var(--navy);transition:transform .2s}
.tool-card:hover{transform:translateY(-4px)}
.tool-card .ico{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:26px;background:var(--soft)}
.tool-card h3{font-size:19px;margin:6px 0 0}
.tool-card p{margin:0;color:var(--muted);font-size:15px}
.tool-card .go{margin-top:auto;padding-top:8px;font-weight:700;color:var(--coral)}
.steps{counter-reset:s}
.step{display:flex;gap:14px;align-items:flex-start}
.step:before{counter-increment:s;content:counter(s);flex:none;width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:grid;place-items:center}
/* pricing */
.price-card{position:relative;display:flex;flex-direction:column;gap:10px}
.price-card.hot{border:2px solid var(--coral);box-shadow:var(--shadow-lg)}
.price-card .tag{position:absolute;top:-13px;right:18px;background:var(--grad);color:#fff;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700}
.price{font-size:34px;font-weight:800}
.price small{font-size:15px;color:var(--muted);font-weight:600}
.ticks{list-style:none;padding:0;margin:4px 0 12px;display:grid;gap:8px}
.ticks li{padding-left:28px;position:relative;font-size:15px}
.ticks li:before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--mint);color:var(--navy);font-size:12px;font-weight:800;display:grid;place-items:center}
.price-card .btn{margin-top:auto}
/* faq */
.faq{max-width:760px;margin:0 auto;display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 18px}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary:after{content:"+";font-size:22px;line-height:1;color:var(--coral)}
.faq details[open] summary:after{content:"–"}
.faq details p{margin:10px 0 0;color:var(--muted)}
/* cta + footer */
.cta-band{background:var(--grad);color:#fff;border-radius:28px;padding:34px 24px;text-align:center}
.cta-band h2{color:#fff}
.cta-band .btn{background:#fff;color:var(--coral)}
.ftr{padding:36px 0 110px;color:var(--muted);font-size:14px;border-top:1px solid var(--line);margin-top:30px}
.ftr .wrap{display:grid;gap:16px}
.ftr a{color:var(--navy);font-weight:600}
.ftr .links{display:flex;flex-wrap:wrap;gap:16px}
@media(min-width:860px){.ftr{padding-bottom:40px}.ftr .wrap{grid-template-columns:1fr auto;align-items:center}}

/* ---------- APP ---------- */
.app-main{padding:18px 0 120px}
.quota-pill{margin-left:auto;display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700;white-space:nowrap}
.quota-pill b{color:var(--coral)}
.quota-pill.pro{background:var(--navy);color:#fff;border-color:var(--navy)}
.tabs{display:flex;gap:8px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;border:2px solid var(--line);background:#fff;border-radius:999px;padding:9px 16px;font:inherit;font-weight:700;font-size:15px;color:var(--navy);cursor:pointer}
.tab[aria-selected="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.bnav{position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
.bnav button{border:0;background:none;font:inherit;font-size:11px;font-weight:700;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 0;cursor:pointer}
.bnav button span{font-size:21px;line-height:1}
.bnav button[aria-selected="true"]{color:var(--coral)}
@media(min-width:860px){.bnav{display:none}}
@media(max-width:859px){.tabs{display:none}}
.panel{display:none}
.panel.active{display:block;animation:fade .25s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}}
.tool-layout{display:grid;gap:18px}
@media(min-width:960px){.tool-layout{grid-template-columns:400px 1fr;align-items:start}.tool-layout .card.form{position:sticky;top:80px}}
.panel-title{display:flex;align-items:center;gap:10px;margin:0 0 4px}
.panel-title h1{font-size:24px;margin:0}
.panel-sub{color:var(--muted);margin:0 0 16px;font-size:15px}
.field{display:grid;gap:6px;margin-bottom:14px}
.field>label,.field>.lbl{font-weight:700;font-size:14px}
input[type=text],input[type=url],textarea,select{width:100%;font:inherit;font-size:16px;color:var(--navy);background:#FFFCFA;border:2px solid var(--line);border-radius:var(--r-sm);padding:11px 14px;outline:none;transition:border-color .2s}
input:focus,textarea:focus,select:focus{border-color:var(--coral);background:#fff}
textarea{min-height:96px;resize:vertical}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{border:2px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font-weight:700;font-size:14px;cursor:pointer;user-select:none}
.seg input:checked+label{background:var(--soft);border-color:var(--coral);color:var(--coral)}
.seg input:focus-visible+label{outline:3px solid var(--mint)}
.out-empty{text-align:center;color:var(--muted);padding:40px 16px}
.out-empty img{width:86px;margin:0 auto 10px;opacity:.9;border-radius:24px}
.demo-badge{display:inline-flex;gap:6px;align-items:center;background:#FFF3C9;color:#7a5600;border-radius:10px;padding:8px 12px;font-size:13px;font-weight:700;margin-bottom:12px}
.out-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:16px;margin-bottom:12px}
.out-block h3{font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:8px;margin:0 0 10px}
.copy{border:0;background:var(--soft);color:var(--coral);font:inherit;font-size:13px;font-weight:700;padding:6px 12px;border-radius:999px;cursor:pointer;flex:none}
.copy.ok{background:var(--mint);color:var(--navy)}
.hook{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px dashed var(--line)}
.hook:first-of-type{border-top:0}
.hook .n{flex:none;width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center}
.hook p{margin:0;flex:1}
.scene{display:grid;grid-template-columns:70px 1fr;gap:4px 12px;padding:10px 0;border-top:1px dashed var(--line);font-size:15px}
.scene:first-of-type{border-top:0}
.scene .t{grid-row:span 3;font-weight:800;color:var(--coral)}
.scene .v{color:var(--muted);font-size:14px}
.scene .os{font-size:13px;font-weight:700;color:var(--navy);background:#E9FBF4;border-radius:8px;padding:2px 8px;justify-self:start}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{background:#EEF2FF;color:#2a3d80;border-radius:999px;padding:4px 10px;font-size:13px;font-weight:600}
.pre{white-space:pre-wrap;margin:0}
.out-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.loading{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px;color:var(--muted)}
.spinner{width:42px;height:42px;border-radius:50%;border:5px solid var(--soft);border-top-color:var(--coral);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.alert{border-radius:var(--r-sm);padding:14px 16px;font-weight:600;font-size:15px;margin-bottom:12px}
.alert-warn{background:#FFF3C9;color:#6b4b00}
.alert-err{background:#FFE4E6;color:#9f1239}
.alert-info{background:#E9FBF4;color:#0d5c43}
audio{width:100%;margin:6px 0}
/* thumbnail */
.thumb-stage{background:repeating-conic-gradient(#f4ece6 0 25%,#fff 0 50%) 0 0/20px 20px;border-radius:var(--r-sm);padding:12px;display:flex;justify-content:center}
.thumb-stage canvas{max-width:100%;max-height:68vh;height:auto;border-radius:10px;box-shadow:var(--shadow)}
.swatches{display:flex;flex-wrap:wrap;gap:8px}
.swatches button{width:38px;height:38px;border-radius:12px;border:3px solid #fff;box-shadow:0 0 0 2px var(--line);cursor:pointer}
.swatches button[aria-pressed="true"]{box-shadow:0 0 0 3px var(--coral)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
input[type=range]{width:100%;accent-color:var(--coral)}
input[type=color]{width:100%;height:44px;border:2px solid var(--line);border-radius:12px;background:#fff;padding:3px}
input[type=file]{font-size:14px}
/* history */
.hist-item{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;margin-bottom:10px}
.hist-item .ic{font-size:22px}
.hist-item .meta{flex:1;min-width:0}
.hist-item .meta b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hist-item .meta small{color:var(--muted)}
/* modal + toast */
.modal{position:fixed;inset:0;z-index:60;background:rgba(20,36,75,.45);display:none;align-items:flex-end;justify-content:center;padding:0}
.modal.open{display:flex}
.modal .sheet{background:#fff;width:100%;max-width:460px;border-radius:26px 26px 0 0;padding:26px 22px 30px;text-align:center;animation:up .25s}
@media(min-width:600px){.modal{align-items:center}.modal .sheet{border-radius:26px}}
@keyframes up{from{transform:translateY(30px);opacity:0}}
.modal .sheet img{width:84px;margin:0 auto 8px;border-radius:24px}
.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:10px 18px;border-radius:999px;font-weight:600;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:70;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* upgrade page */
.qr-box{display:grid;gap:16px;align-items:center}
@media(min-width:760px){.qr-box{grid-template-columns:260px 1fr}}
.qr-ph{aspect-ratio:1;border:3px dashed var(--coral);border-radius:20px;display:grid;place-items:center;text-align:center;color:var(--coral);font-weight:800;padding:20px;background:var(--soft)}
.bank dl{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;margin:0}
.bank dt{color:var(--muted);font-weight:600}
.bank dd{margin:0;font-weight:700}
.ph{background:#FFF3C9;color:#7a5600;border-radius:6px;padding:0 6px}
.soon{opacity:.7}
.legal{max-width:780px}
.legal h2{font-size:22px;margin-top:28px}
.legal p,.legal li{color:#33405f}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
label.price-card:has(input:checked){border:2px solid var(--coral);box-shadow:var(--shadow-lg)}
label.price-card:has(input:checked) h3:after{content:" ✓";color:var(--coral)}
.hero-art img{border-radius:0}
@media(max-width:859px){.hero-art{order:-1;margin-bottom:-6px}.hero-art img{width:190px}.hero-art .blob{width:250px}.chip-float{font-size:12px}.chip-float.a{left:4%}.chip-float.c{left:4%}}
.brand img{border-radius:0}
@media(max-width:959px){#p-thumbnail .thumb-preview{order:-1;padding:10px}#p-thumbnail .thumb-stage canvas{max-height:46vh}}
.qr-ph{max-width:260px;margin:0 auto;width:100%}