/* sitebuild.css — 一句話建站 (/ai-idea-generator) on top of agent-play.css.
   .sb-game = agent panel + browser mock (console tokens, light set at the end). .sb-site = the prototype itself,
   themed only by its own palette (--p/--a) and tone, never by the page theme. */

/* briefing */
.sb-brief{width:min(100%,640px);margin-top:10px;display:grid;gap:10px;text-align:left;padding:18px;border-radius:14px;background:rgba(7,18,31,.72);border:1px solid var(--c-line2)}
.sb-brief-row{display:grid;grid-template-columns:1.4fr 1fr;gap:10px}
.sb-brief .ap-chip{font-size:13px;padding:5px 10px}
.sb-go{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px}

/* game layout */
.sb-game{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);min-height:640px}
.sb-game[hidden]{display:none}
.sb-panel{display:flex;flex-direction:column;min-width:0;height:660px;border-right:1px solid var(--c-line)}
.sb-log{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:16px;scrollbar-width:thin;scrollbar-color:var(--c-line2) transparent}
.sb-log>*{flex-shrink:0}
.sb-notes{display:flex;flex-wrap:wrap;gap:6px}
.sb-notes span{display:inline-flex;gap:6px;align-items:baseline;padding:4px 9px;border-radius:8px;background:rgba(45,212,191,.07);border:1px solid rgba(45,212,191,.25);font-size:13px;color:var(--c-fg);animation:ap-rise .35s ease both}
.sb-notes small{font:600 10.5px var(--font-mono);color:var(--c-muted)}
.sb-swatch{display:inline-flex;gap:4px;vertical-align:middle;margin-left:6px}
.sb-swatch i{width:14px;height:14px;border-radius:4px;box-shadow:0 0 0 1px rgba(255,255,255,.2)}
.sb-me{align-self:flex-end;max-width:88%;background:#0A74AE;color:#fff;border-radius:14px 4px 14px 14px;padding:7px 12px;font-size:14px;animation:ap-rise .3s ease}
.sb-client{display:flex;gap:9px;align-items:flex-start;animation:ap-rise .3s ease}
.sb-client .av{width:30px;height:30px;flex:none;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#FDE68A,#F59E0B);font-size:15px}
.sb-client .bub{background:rgba(245,185,66,.08);border:1px solid rgba(245,185,66,.35);border-radius:4px 12px 12px 12px;padding:7px 12px;font-size:14px;color:var(--c-fg)}
.sb-client .bub small{display:block;font:600 11px var(--font-mono);color:var(--c-gold);margin-bottom:2px}
.sb-delta{font:700 12.5px var(--font-mono);color:var(--c-ok)}
.sb-delta.low{color:var(--c-gold)}

/* change-request card, pinned at the top of the panel (2026-09-26 redesign: the ask, whose it is, and the
   visitor's next move in words; states todo / working / retry / done) */
.sb-req{flex-shrink:0;margin:12px 12px 0;padding:12px 14px;border-radius:12px;border:1px solid rgba(245,185,66,.5);background:linear-gradient(135deg,rgba(245,185,66,.12),rgba(245,185,66,.03) 70%);animation:ap-gate-in .45s cubic-bezier(.2,.9,.3,1.2)}
.sb-req[hidden]{display:none}
.sb-req-head{display:flex;align-items:center;gap:10px;margin-bottom:6px;font:700 12px var(--font-mono);letter-spacing:.06em;color:var(--c-gold)}
.sb-req-head .dots{display:inline-flex;gap:4px}
.sb-req-head .dots i{width:8px;height:8px;border-radius:50%;border:1px solid currentColor;opacity:.5}
.sb-req-head .dots i.on{background:currentColor;opacity:1}
.sb-req-head .dots i.ok{background:var(--c-ok);border-color:var(--c-ok);opacity:1}
.sb-req-head .who{margin-left:auto;font:600 12.5px var(--font-sans);letter-spacing:0;color:var(--c-fg2)}
.sb-req .ask{margin:0;font-size:15.5px;font-weight:700;line-height:1.55;color:var(--c-fg)}
.sb-req-do{display:grid;grid-template-columns:auto minmax(0,1fr);gap:2px 8px;align-items:baseline;margin-top:8px;padding-top:8px;border-top:1px dashed color-mix(in srgb,var(--c-gold) 40%,transparent);font-size:13.5px;line-height:1.55;color:var(--c-fg2)}
.sb-req-do b{font-weight:800;color:var(--c-gold);white-space:nowrap}
.sb-req-do em{grid-column:1 / -1;font-style:normal;font-size:13px;color:var(--c-muted)}
.sb-req.is-working .sb-req-do b{color:var(--c-accent)}
.sb-req.is-working .sb-req-do b::after{content:"";display:inline-block;width:10px;height:10px;margin-left:6px;vertical-align:-1px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:sb-spin .8s linear infinite}
@keyframes sb-spin{to{transform:rotate(360deg)}}
.sb-req.is-retry .sb-req-do b{color:var(--c-red)}
.sb-req.is-done{border-color:rgba(74,222,128,.55);background:rgba(74,222,128,.08)}
.sb-req.is-done .sb-req-head,.sb-req.is-done .sb-req-do b{color:var(--c-ok)}
@media (prefers-reduced-motion:reduce){.sb-req.is-working .sb-req-do b::after{animation:none}}
.sb-cmd{display:flex;align-items:center;gap:8px;padding:10px 16px 16px;border-top:1px solid var(--c-line)}
.sb-cmd .p{font:700 15px var(--font-mono);color:var(--c-ok)}
.sb-cmd .ap-field{height:44px;padding:0 12px}
.sb-cmd .ap-field:disabled{opacity:.5}

/* browser mock */
.sb-browser{display:flex;flex-direction:column;min-width:0;padding:14px;background:radial-gradient(70% 60% at 80% 0%,rgba(60,198,242,.12),transparent 62%),#081524}
.sb-bar{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:10px 10px 0 0;background:#E7ECF1;color:#46576A;font:12px var(--font-mono)}
.sb-bar .dots{display:flex;gap:5px}
.sb-bar .dots i{width:9px;height:9px;border-radius:50%;background:#E69588}
.sb-bar .dots i:nth-child(2){background:#E6C075}
.sb-bar .dots i:nth-child(3){background:#85B39A}
.sb-url{flex:1;min-width:0;padding:3px 10px;border-radius:6px;background:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sb-bar .ap-demo-tag{color:#46576A;border-color:#C5D0DB}
.sb-view{position:relative;flex:1;height:590px;overflow-y:auto;overflow-x:hidden;border-radius:0 0 10px 10px;background:#fff;scrollbar-width:thin;scroll-behavior:smooth}
.sb-empty{height:100%;display:grid;place-items:center;align-content:center;gap:10px;color:#6B7B8C;font-size:14px;background:repeating-linear-gradient(135deg,#F5F7FA 0 14px,#EEF2F6 14px 28px)}
.sb-empty .ap-orb{width:30px;height:30px}
.sb-skel{padding:18px;display:grid;gap:14px}
.sb-skel i{display:block;border-radius:8px;background:linear-gradient(90deg,#E9EEF3 0%,#F6F8FA 50%,#E9EEF3 100%);background-size:200% 100%;animation:sb-shimmer 1.4s linear infinite}
@keyframes sb-shimmer{to{background-position:-200% 0}}

/* ---------- the prototype ---------- */
.sb-site{--bg:#FFFFFF;--fg:#1F2A37;--mut:#5B6B7B;--card:#F5F7FA;--ln:#E3E8EE;--r:12px;position:relative;min-height:100%;background:var(--bg);color:var(--fg);font:14px/1.7 'Noto Sans TC','PingFang TC','Microsoft JhengHei',system-ui,sans-serif;transition:background .6s,color .6s}
.sb-site h1,.sb-site h2,.sb-site h3{font-family:inherit}
.sb-site.t-dark{--bg:#111827;--fg:#E5E7EB;--mut:#9CA3AF;--card:#1F2937;--ln:#2D3748}
.sb-site.f-serif{font-family:'Noto Serif TC','Songti TC','PMingLiU',serif}
.sb-site.f-serif h1,.sb-site.f-serif h2{font-weight:700;letter-spacing:.02em}
.sb-site.f-rounded{--r:20px}
.sb-site.f-rounded h1,.sb-site.f-rounded h2,.sb-site.f-rounded b{font-weight:800}
.sb-site *{transition:background-color .6s,color .6s,border-color .6s}
.sb-site .btn{display:inline-block;padding:9px 18px;border-radius:var(--r);background:var(--a);color:var(--a-ink);font-weight:700;font-size:14px}
.sb-nav{position:sticky;top:0;z-index:3;display:flex;align-items:center;gap:14px;padding:12px 20px;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--ln)}
.sb-nav .logo{display:flex;align-items:center;gap:6px;font-size:15.5px;color:var(--p);white-space:nowrap}
.sb-site.t-dark .sb-nav .logo{color:color-mix(in srgb,var(--p) 55%,#fff)}
.sb-nav nav{display:flex;flex-wrap:wrap;gap:4px 14px;margin-left:auto;font-size:13px;color:var(--mut)}
.sb-hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);align-items:center;gap:18px;padding:34px 22px 30px;background:linear-gradient(135deg,color-mix(in srgb,var(--p) 16%,var(--bg)),var(--bg) 70%)}
.sb-hero small{display:block;font-size:12.5px;font-weight:700;color:var(--p);margin-bottom:6px}
.sb-site.t-dark .sb-hero small{color:color-mix(in srgb,var(--p) 55%,#fff)}
.sb-hero h1{margin:0 0 10px;font-size:clamp(22px,2.4vw,30px);line-height:1.3;color:var(--fg);text-wrap:balance}
.sb-hero p{margin:0 0 16px;color:var(--mut);font-size:14px}
.sb-hero .art{display:grid;place-items:center;aspect-ratio:1;max-width:170px;justify-self:center;width:100%;border-radius:28%;font-size:64px;background:color-mix(in srgb,var(--p) 18%,var(--bg));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--p) 30%,transparent)}
.sb-s{padding:26px 22px;border-top:1px solid var(--ln)}
.sb-s h2{margin:0 0 14px;font-size:18px;color:var(--fg)}
.sb-features .g3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.sb-features .card{padding:14px;border-radius:var(--r);background:var(--card);border:1px solid var(--ln)}
.sb-features .ic{font-size:22px}
.sb-features b{display:block;margin:4px 0 2px;color:var(--fg)}
.sb-features p,.sb-steps p,.sb-faq p{margin:0;font-size:13px;color:var(--mut);line-height:1.65}
.sb-steps ol{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.sb-steps li{display:flex;gap:12px;align-items:flex-start}
.sb-steps .n{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--p);color:var(--p-ink);font-weight:800;font-size:13px}
.sb-steps b{color:var(--fg)}
.sb-faq .qa{display:grid;gap:8px}
.sb-faq .row{padding:11px 14px;border-radius:var(--r);border:1px solid var(--ln);background:var(--card)}
.sb-faq .row b{display:block;color:var(--fg);margin-bottom:3px}
.sb-gallery .tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.sb-gallery figure{margin:0;display:grid;place-items:center;gap:4px;aspect-ratio:4/3;border-radius:var(--r);background:linear-gradient(135deg,color-mix(in srgb,var(--p) 22%,var(--bg)),color-mix(in srgb,var(--a) 18%,var(--bg)));font-size:28px}
.sb-gallery figcaption{font-size:12px;color:var(--fg)}
.sb-contact .lead{margin:-6px 0 12px;color:var(--mut)}
.sb-contact .form{display:grid;gap:8px;max-width:420px}
.sb-contact label{display:grid;gap:3px;font-size:12.5px;color:var(--mut)}
.sb-contact label i{height:34px;border-radius:calc(var(--r) * .6);border:1px solid var(--ln);background:var(--bg)}
.sb-contact .btn{justify-self:start;margin-top:4px}
.sb-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin:0;background:var(--p);color:var(--p-ink)}
.sb-cta h2{color:inherit;margin-bottom:4px}
.sb-cta p{margin:0;opacity:.88;font-size:13.5px}
.sb-cta .btn{background:var(--bg);color:var(--fg)}
.sb-foot{padding:18px 22px 70px;border-top:1px solid var(--ln);font-size:12px;color:var(--mut)}
.sb-agent{position:sticky;bottom:12px;z-index:4;display:flex;flex-direction:column;align-items:flex-end;gap:8px;margin:-58px 12px 12px auto;width:max-content;max-width:calc(100% - 24px);pointer-events:none}
.sb-agent>*{pointer-events:auto}
.sb-agent .bubble{display:flex;align-items:center;gap:9px;max-width:300px;padding:8px 14px 8px 8px;border:0;border-radius:99px;background:var(--p);color:var(--p-ink);box-shadow:0 10px 26px -8px rgba(0,0,0,.45);cursor:pointer;text-align:left;font:inherit;animation:sb-pop .5s cubic-bezier(.3,1.6,.5,1)}
.sb-agent .bubble .ic{width:32px;height:32px;flex:none;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.9);font-size:16px}
.sb-agent .bubble b{display:block;font-size:13px;line-height:1.3}
.sb-agent .bubble small{display:block;font-size:11.5px;opacity:.9;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.sb-agent .chat{width:min(290px,100%);padding:12px;border-radius:14px;background:var(--bg);border:1px solid var(--ln);box-shadow:0 14px 32px -12px rgba(0,0,0,.4);display:grid;gap:6px;font-size:13px}
.sb-agent .chat[hidden]{display:none}
.sb-agent .chat .q{margin:0;justify-self:end;padding:6px 10px;border-radius:12px 4px 12px 12px;background:var(--a);color:var(--a-ink)}
.sb-agent .chat .a{margin:0;padding:6px 10px;border-radius:4px 12px 12px 12px;background:var(--card);color:var(--fg)}
@keyframes sb-pop{from{transform:scale(.4);opacity:0}}
.sb-site .sb-flash{animation:sb-flash 1.4s ease}
@keyframes sb-flash{0%,60%{box-shadow:0 0 0 3px #3CC6F2,0 0 26px rgba(60,198,242,.55)}100%{box-shadow:0 0 0 0 transparent}}
.sb-site .sb-in{animation:sb-in .6s cubic-bezier(.2,.9,.3,1.15) both}
@keyframes sb-in{from{opacity:0;transform:translateY(14px)}}
.sb-site .sb-out{transition:opacity .45s,transform .45s;opacity:0;transform:translateX(30px)}
.sb-site .typing::after{content:"";display:inline-block;width:2px;height:1em;margin-left:2px;vertical-align:-2px;background:currentColor;animation:ap-blink .7s steps(1) infinite}

/* result (page theme) */
.sb-final{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,340px);gap:22px;align-items:start}
.sb-final .sb-frame{border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--card-shadow);max-height:520px;overflow-y:auto;background:#fff}
.sb-score{display:grid;gap:10px}
.sb-score .big{font:900 44px/1 var(--font-sans);color:var(--fg)}
.sb-score .big small{font-size:16px;color:var(--muted);margin-left:4px}
.sb-score ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:14.5px;color:var(--fg-2)}
.sb-score li b{color:var(--fg)}
.sb-rh{display:grid;gap:6px;padding:16px;border-radius:12px;border:1px solid color-mix(in srgb,var(--data) 45%,var(--line));background:var(--data-soft)}
.sb-rh small{font:700 11.5px var(--font-mono);letter-spacing:.1em;color:var(--data)}
.sb-rh b{font-size:16px;color:var(--fg)}
.sb-rh p{font-size:14px;color:var(--fg-2);line-height:1.7}
.sb-rh a{justify-self:start}
.sb-mail{display:flex;flex-wrap:wrap;gap:8px;margin:0 26px 18px}
.sb-mail[hidden]{display:none}
.sb-mail input{flex:1 1 240px;min-width:0;height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--line);background:var(--editor);color:var(--fg);font:15px var(--font-sans);outline:none}
.sb-mail .msg{width:100%;font-size:14px}
.sb-mail .msg.ok{color:var(--ok)}.sb-mail .msg.err{color:var(--pain)}

@media (max-width:959px){
  .sb-game{grid-template-columns:1fr}
  .sb-browser{order:-1;padding:10px}
  .sb-view{height:440px}
  .sb-panel{height:auto;border-right:0;border-top:1px solid var(--c-line)}
  .sb-log{max-height:340px}
  .sb-final{grid-template-columns:1fr}
}
@media (max-width:560px){
  .sb-brief-row{grid-template-columns:1fr}
  .sb-hero{grid-template-columns:1fr;padding:24px 16px}
  .sb-hero .art{display:none}
  .sb-features .g3{grid-template-columns:1fr}
  .sb-nav nav{display:none}
  .sb-s{padding:20px 16px}
  .sb-mail{margin:0 18px 16px}
}
@media (prefers-reduced-motion:reduce){.sb-site *,.sb-site{transition:none}.sb-skel i,.sb-agent .bubble,.sb-site .sb-in,.sb-site .sb-flash{animation:none}}

/* light theme (tokens in agent-play.css; these are the hard-coded dark fills). .sb-site keeps its own palette. */
html[data-theme=light] .sb-brief{background:var(--c-bg2)}
html[data-theme=light] .sb-notes span{background:rgba(15,118,110,.06);border-color:rgba(15,118,110,.22)}
html[data-theme=light] .sb-swatch i{box-shadow:0 0 0 1px rgba(10,40,70,.18)}
html[data-theme=light] .sb-client .bub{background:#FFF8EB;border-color:rgba(180,83,9,.3)}
html[data-theme=light] .sb-req{border-color:rgba(180,83,9,.45);background:linear-gradient(135deg,rgba(245,185,66,.16),rgba(245,185,66,.04) 70%),#FFFDF8}
html[data-theme=light] .sb-req.is-done{border-color:rgba(21,128,61,.45);background:rgba(21,128,61,.06)}
html[data-theme=light] .sb-browser{background:radial-gradient(70% 60% at 80% 0%,rgba(10,116,174,.07),transparent 62%),#EEF3F8}
html[data-theme=light] .sb-bar{background:#E1E8EF;box-shadow:inset 0 0 0 1px #D0DBE6}
html[data-theme=light] .sb-view{box-shadow:inset 0 0 0 1px #D0DBE6}
/* empty-command nudge sits on its own line under the command bar (2026-09-26) */
.sb-cmd{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center}
.sb-cmd>.p{grid-area:1 / 1}.sb-cmd>.ap-field{grid-area:1 / 2}.sb-cmd>button{grid-area:1 / 3}
.sb-cmd .ap-nudge{grid-area:2 / 1 / 3 / -1;margin:0 0 0 22px}
/* result head (設計藍圖): the mail form and share box live inside .ap-bp now */
.ap-bp .sb-mail{margin:0}
.sb-sharebox{flex:1 1 320px;display:flex}
.sb-sharebox:empty{display:none}
.sb-sharebox .ap-share{flex:1}