/* Shoufa forms. Same language as the pages they make: shadcn/ui neutrals,
   hairline borders, black for "selected" and the main button, no brand blue.
   Used by start / preview / deploy. */
@import url("https://fonts.googleapis.com/css2?family=Geist:wght@400..700&display=swap");
:root{
  --bg:#fafafa;--surface:#fff;--sunken:#f4f4f5;--line:#e4e4e7;--line-strong:#d4d4d8;
  --ink:#09090b;--ink-2:#52525b;--ink-3:#a1a1aa;
  --accent:#09090b;--accent-soft:#f4f4f5;--accent-ink:#09090b;
  --ring:0 0 0 3px rgb(9 9 11 / .08);
  --shadow-xs:0 1px 2px rgb(0 0 0 / .05);
  --shadow-sm:0 1px 3px rgb(0 0 0 / .08),0 1px 2px -1px rgb(0 0 0 / .08);
  --good:#16a34a;--bad:#dc2626;
  --font:"Geist","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.6 var(--font);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
button{-webkit-tap-highlight-color:transparent}
a{color:var(--ink);text-underline-offset:3px}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.shell{max-width:840px;margin:0 auto;padding:24px 24px 128px}

/* header */
.top{display:flex;align-items:center;gap:14px;height:40px;margin-bottom:40px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;letter-spacing:-.01em}
.logo i{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--ink);color:#fff;font-style:normal;font-size:13px;font-weight:600}
.grow{flex:1}
.progress{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.progress span{display:flex;align-items:center;gap:7px}
.progress i{font-style:normal}
.progress b{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;border:1px solid var(--line-strong);font-size:11px;font-weight:500;color:var(--ink-3);background:var(--surface)}
.progress .on{color:var(--ink);font-weight:500}
.progress .on b{border-color:var(--ink);background:var(--ink);color:#fff}
.progress .past{color:var(--ink-2)}
.progress .past b{border-color:var(--ink);color:transparent;background:var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.2l3 3 6-6' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px no-repeat}
.progress em{width:20px;height:1px;background:var(--line-strong)}

/* type */
h1{margin:0;font-size:30px;line-height:1.2;font-weight:600;letter-spacing:-.025em;text-wrap:balance}
.lede{margin:10px 0 0;color:var(--ink-2);font-size:15px;max-width:52ch;text-wrap:pretty}
.q{margin-top:36px}
.q h2{margin:0 0 2px;font-size:15px;font-weight:600}
.q .hint{margin:0 0 14px;color:var(--ink-2);font-size:13.5px}
.num{display:inline-grid;place-items:center;width:22px;height:22px;margin-right:8px;border-radius:6px;background:var(--ink);color:#fff;font-size:12px;vertical-align:1px}

/* choice cards: hairline border, black ring when picked, a radio dot on the right */
.choices{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}
.choice{position:relative;display:flex;flex-direction:column;gap:4px;padding:16px 44px 16px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow-xs);cursor:pointer;text-align:left;transition:border-color .15s,box-shadow .15s,background .15s}
.choice:hover{border-color:var(--line-strong);background:#fcfcfc}
.choice::after{content:"";position:absolute;top:16px;right:16px;width:16px;height:16px;border-radius:50%;border:1px solid var(--line-strong);background:var(--surface);transition:border-color .15s,box-shadow .15s}
.choice[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink),var(--shadow-sm)}
.choice[aria-pressed="true"]::after{border-color:var(--ink);box-shadow:inset 0 0 0 4px var(--ink)}
.choice b{font-size:14.5px;font-weight:600}
.choice small{color:var(--ink-2);font-size:13.5px;line-height:1.5}
.choice .ico{width:32px;height:32px;margin-bottom:10px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:var(--sunken)}
.choice .ico svg{width:17px;height:17px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.badge{display:inline-flex;align-items:center;height:20px;margin-left:8px;padding:0 7px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink-2);font-size:11.5px;font-weight:500;vertical-align:1px}

/* style rows on the start form: a real screenshot of the look */
.thumb{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--sunken)}
.thumb img{display:block;width:100%;height:100%;object-fit:cover;object-position:top left}

/* colour */
.swatches{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.swatch{width:32px;height:32px;border-radius:50%;border:0;box-shadow:inset 0 0 0 1px rgb(0 0 0 / .08);cursor:pointer;transition:box-shadow .15s,transform .15s}
.swatch:hover{transform:scale(1.06)}
.swatch[aria-pressed="true"]{box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--ink)}
.custom{display:flex;align-items:center;gap:8px;height:32px;padding:0 12px 0 4px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink-2);font-size:13px;cursor:pointer}
.custom input{width:24px;height:24px;padding:0;border:0;border-radius:50%;background:none;cursor:pointer;overflow:hidden}
.custom input::-webkit-color-swatch-wrapper{padding:0}
.custom input::-webkit-color-swatch{border:0;border-radius:50%}

/* fields */
.field{margin-top:20px}
.field label{display:block;margin-bottom:7px;font-weight:500;font-size:13.5px}
.field label small{font-weight:400;color:var(--ink-3);margin-left:6px}
input[type=text],input[type=email],input[type=url],textarea,select{width:100%;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-xs);outline:none;font-size:14px;transition:border-color .15s,box-shadow .15s}
textarea{height:auto;min-height:92px;padding:9px 12px;resize:vertical;line-height:1.55}
input::placeholder,textarea::placeholder{color:var(--ink-3)}
input:focus,textarea:focus,select:focus{border-color:var(--ink-3);box-shadow:var(--ring)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.rep{display:grid;gap:8px}
.rep .item{display:flex;gap:8px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--sunken)}
.rep .item input{flex:1;min-width:0}
.rep .item input:nth-child(2){flex:1.5}
.add{justify-self:start;height:32px;padding:0 12px;border:1px dashed var(--line-strong);border-radius:8px;background:var(--surface);cursor:pointer;color:var(--ink-2);font-size:13px}
.add:hover{color:var(--ink);border-color:var(--ink-3)}
.rm{display:grid;place-items:center;width:30px;height:30px;flex:none;border:0;border-radius:6px;background:none;color:var(--ink-3);cursor:pointer;font-size:18px;line-height:1}
.rm:hover{background:var(--surface);color:var(--ink)}
.field label.upload,.upload{display:flex;margin:0;font-weight:400;align-items:center;gap:14px;padding:12px;border:1px dashed var(--line-strong);border-radius:12px;background:var(--surface);cursor:pointer;transition:border-color .15s}
.upload:hover{border-color:var(--ink-3)}
.upload img{width:48px;height:48px;border-radius:8px;object-fit:cover;background:var(--sunken)}
.upload span{color:var(--ink-2);font-size:13.5px}
.upload input{display:none}
.panel{margin-top:40px;padding:24px;border-radius:14px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-xs)}
.panel h2{margin:0;font-size:17px;font-weight:600}
.panel .lede{font-size:14px}

/* toggle chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{height:34px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-xs);cursor:pointer;font-size:13.5px;font-weight:500;color:var(--ink-2);transition:background .15s,border-color .15s,color .15s}
.chip:hover{color:var(--ink);border-color:var(--line-strong)}
.chip[aria-pressed="true"]{border-color:var(--ink);background:var(--ink);color:#fff}

/* bottom bar */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:5;background:rgb(255 255 255 / .82);backdrop-filter:saturate(1.6) blur(12px);-webkit-backdrop-filter:saturate(1.6) blur(12px);border-top:1px solid var(--line)}
.bar .in{max-width:840px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:8px}
.bar .say{color:var(--ink-2);font-size:13.5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:8px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-xs);font-weight:500;font-size:14px;cursor:pointer;white-space:nowrap;text-decoration:none;color:var(--ink);transition:background .15s,opacity .15s}
.btn:hover{background:var(--sunken)}
.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.primary:hover{background:#27272a}
.btn:disabled{opacity:.35;cursor:not-allowed;box-shadow:none}
.hidden{display:none!important}

/* sent / waiting */
.done{max-width:520px;margin:96px auto;text-align:center}
.done .big{font-size:48px;line-height:1}
.done h1{margin-top:20px;font-size:24px}
.done .lede{margin-inline:auto}
.spin{width:28px;height:28px;margin:0 auto;border:2px solid var(--line);border-top-color:var(--ink);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:640px){
  .shell{padding:16px 16px 120px}
  .top{margin-bottom:28px}
  h1{font-size:24px}
  .progress span:not(.on) i{display:none}
  .progress em{width:10px}
  .row2{grid-template-columns:1fr}
  .rep .item{flex-wrap:wrap}
  .rep .item input{flex:1 1 100%}
  .bar .say{display:none}
  .bar .in{padding:10px 16px}
  .bar .btn{flex:1;padding:0 10px}
}

/* start form: choices on the left, a real sample page on the right */
.shell.wide{max-width:1360px}
body.wide .bar .in{max-width:1360px}
.split{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:40px;align-items:start}
.choices.list{grid-template-columns:1fr;margin-top:24px}
.choice.row{flex-direction:row;align-items:center;gap:14px;padding:10px 44px 10px 10px}
.choice.row::after{top:50%;margin-top:-8px}
.choice.row .thumb{flex:none;width:112px;height:70px}
.choice.row span{display:flex;flex-direction:column;gap:2px}
.label{margin:28px 0 8px;font-size:13px;font-weight:500;color:var(--ink-2)}
.viewer{position:sticky;top:24px;height:calc(100vh - 200px);min-height:480px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface);box-shadow:0 1px 2px rgb(0 0 0 / .04),0 24px 48px -24px rgb(0 0 0 / .18)}
.vbar{position:relative;display:flex;align-items:center;gap:6px;height:40px;flex:none;padding:0 14px;border-bottom:1px solid var(--line);background:var(--surface)}
.vbar i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.vbar span{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;height:26px;padding:0 12px;border-radius:7px;background:var(--sunken);font-size:12.5px;color:var(--ink-2);white-space:nowrap}
.vbox{position:relative;flex:1;min-height:0;overflow:hidden;background:#fff}
.viewer iframe{position:absolute;top:0;left:0;border:0;background:#fff;transform-origin:0 0;transition:opacity .2s}
.viewer.loading iframe{opacity:.45}
@media (max-width:900px){
  .split{grid-template-columns:minmax(0,1fr);gap:28px}
  .viewer{position:static;height:64vh;min-height:0}
  .vbar span{position:static;transform:none;margin-left:8px}
}
.choices.list .choice:not(.row){display:grid;grid-template-columns:32px minmax(0,1fr);column-gap:14px;row-gap:2px;align-items:center;padding:14px 44px 14px 14px}
.choices.list .choice:not(.row)::after{top:50%;margin-top:-8px}
.choices.list .choice:not(.row) .ico{grid-row:span 2;margin:0;align-self:center}
.choices.list .choice:not(.row) b,.choices.list .choice:not(.row) small{grid-column:2}
.choices.list .choice:not(.row):not(:has(.ico)){grid-template-columns:minmax(0,1fr)}
.upload img{background:var(--sunken) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Ccircle cx='9' cy='10' r='2'/%3E%3Cpath d='M21 16l-5-5-9 9'/%3E%3C/svg%3E") center/20px no-repeat}