/* DoubleSlit by iViRTH — conversation-first, light theme */
:root{
  color-scheme:light;
  --bg:#f7fbfe;
  --panel:#ffffff;
  --panel-2:#f1f8fc;
  --ink:#0b2433;
  --ink-2:#3d5566;
  --muted:#6b8393;
  --line:#dce9f1;
  --line-2:#c9dde9;
  --accent:#78C5EF;
  --accent-2:#a9dcf6;
  --accent-ink:#075a88;
  --on-accent:#05283b;
  --ok:#1e8a5a;
  --err:#b42318;
  --r:18px;
  --r-sm:12px;
  --shadow:0 1px 2px rgba(11,36,51,.05),0 8px 24px -12px rgba(11,36,51,.12);
  --rail-l:264px;
  --rail-r:300px;
  --head:"Outfit",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--body);-webkit-font-smoothing:antialiased;overflow:hidden}
a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--accent-2)}
a:hover{text-decoration-color:var(--accent-ink)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
img,svg{display:block;max-width:100%}
p{margin:0 0 .75em}
h1,h2,h3{font-family:var(--head);line-height:1.12;margin:0;letter-spacing:-.01em;font-weight:600}
code{font:500 .9em ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--panel-2);border:1px solid var(--line);padding:.05em .35em;border-radius:6px}
pre{background:var(--panel-2);border:1px solid var(--line);padding:12px 14px;border-radius:var(--r-sm);overflow:auto;font-size:.88em}
pre code{background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px;border-radius:8px}
::selection{background:var(--accent-2)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}
.skip{position:absolute;left:12px;top:-60px;background:var(--accent);color:var(--on-accent);padding:8px 14px;border-radius:10px;z-index:99;text-decoration:none}
.skip:focus{top:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
kbd{font:600 12px var(--body);background:var(--panel);border:1px solid var(--line-2);border-bottom-width:2px;border-radius:6px;padding:0 6px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.muted{color:var(--muted)}
.fine{font-size:12.5px;color:var(--muted);margin:0}
.eyebrow{font:600 12px var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink);display:flex;align-items:center;gap:8px;margin:0 0 10px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(120,197,239,.25);display:inline-block}
.rail-h{font:600 12px var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:18px 0 8px}

/* loader */
.loader{position:fixed;inset:0;background:var(--bg);display:grid;place-items:center;z-index:100;transition:opacity .5s var(--ease),visibility .5s}
.loader.done{opacity:0;visibility:hidden}
@keyframes loaderOut{to{opacity:0;visibility:hidden}}
.loader{animation:loaderOut .5s ease 3s forwards}
.loader img{animation:float 1.6s var(--ease) infinite alternate}
@keyframes float{from{transform:translateY(0)}to{transform:translateY(-6px)}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border-radius:999px;border:1px solid var(--accent);background:var(--accent);color:var(--on-accent);font:600 15px var(--body);text-decoration:none;transition:transform .2s var(--ease),background .2s,box-shadow .2s;box-shadow:0 6px 18px -10px rgba(120,197,239,.9)}
.btn:hover{background:#68bbe9;transform:translateY(-1px);text-decoration:none}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:default;transform:none}
.btn.ghost{background:var(--panel);color:var(--accent-ink);border-color:var(--line-2);box-shadow:none}
.btn.ghost:hover{background:var(--panel-2)}
.btn.sm{min-height:34px;padding:0 13px;font-size:14px}
.btn.block{display:flex;width:100%}
.row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ghost-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--panel);display:grid;place-items:center;font-size:16px;color:var(--ink-2);transition:background .2s,border-color .2s}
.ghost-btn:hover{background:var(--panel-2)}
.ghost-btn[aria-pressed=true],.ghost-btn.on{background:var(--accent-2);border-color:var(--accent);color:var(--accent-ink)}

/* layout */
.app{height:100vh;height:100dvh;display:grid;grid-template-columns:var(--rail-l) minmax(0,1fr) var(--rail-r);overflow:hidden}
.rail{min-height:0;overflow:auto;padding:20px 18px;background:var(--panel);border-color:var(--line)}
.rail-l{border-right:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.rail-r{border-left:1px solid var(--line);background:var(--panel-2);display:flex;flex-direction:column;gap:16px}
.stage{min-width:0;min-height:0;display:flex;flex-direction:column;position:relative}

.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);padding:4px 6px 12px}
.brand img{width:36px;height:36px;border-radius:10px}
.brand-t{font:700 19px/1 var(--head);letter-spacing:-.01em}
.brand-t small{display:block;font:500 12px var(--body);color:var(--muted);margin-top:3px;letter-spacing:0}
.brand-sm{padding:0}
.brand-sm img{width:30px;height:30px}
.brand-sm .brand-t{font-size:17px}

.new{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border-radius:14px;border:0;background:var(--ink);color:#fff;font:600 15px var(--body);transition:background .2s,transform .2s var(--ease)}
.new:hover{background:#1b3b4f;transform:translateY(-1px)}
.actions-list{display:flex;flex-direction:column;gap:4px}
.actions-list button{text-align:left;background:none;border:0;padding:10px 12px;border-radius:12px;color:var(--ink-2);font-size:15px;transition:background .2s,color .2s}
.actions-list button:hover{background:var(--accent-2);color:var(--on-accent)}
.rail-foot{margin-top:auto;color:var(--muted);font-size:12px;line-height:1.5;padding-top:16px;border-top:1px solid var(--line)}

/* top bar */
.top{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.85);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);position:relative;z-index:2}
.top .brand-sm{margin-right:auto}
.top-status{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.top-r{display:flex;gap:8px;margin-left:auto}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(30,138,90,.5);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(30,138,90,.45)}70%{box-shadow:0 0 0 8px rgba(30,138,90,0)}100%{box-shadow:0 0 0 0 rgba(30,138,90,0)}}
.mobile-only{display:none!important}
.top-status{display:flex}

/* scrolling conversation */
.scroller{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scroll-padding-bottom:24px}
.inner{max-width:780px;margin:0 auto;padding:28px 24px 24px;min-height:100%;display:flex;flex-direction:column}

/* welcome */
.welcome{padding:24px 0 8px;animation:rise .7s var(--ease) both}
.welcome h1{font-size:clamp(30px,4.6vw,46px);font-weight:600;margin-bottom:14px;max-width:18ch}
.welcome .lead{font-size:17px;color:var(--ink-2);max-width:60ch;margin:0 0 22px}
.welcome .lead strong{color:var(--ink);font-weight:600}
.prompts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.prompts button{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:4px;box-shadow:var(--shadow);transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;animation:rise .6s var(--ease) both}
.prompts button:nth-child(2){animation-delay:.05s}.prompts button:nth-child(3){animation-delay:.1s}.prompts button:nth-child(4){animation-delay:.15s}.prompts button:nth-child(5){animation-delay:.2s}.prompts button:nth-child(6){animation-delay:.25s}
.prompts button:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 14px 30px -18px rgba(7,90,136,.45)}
.prompts b{font:600 16px var(--head);color:var(--ink)}
.prompts span{font-size:14px;color:var(--muted)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* thread */
.thread{display:flex;flex-direction:column;gap:22px;margin-top:8px}
.thread:not(:empty){margin-top:0}
.msg{display:flex;gap:12px;animation:rise .4s var(--ease) both;min-width:0}
.msg.user{justify-content:flex-end}
.msg.user .bubble{max-width:min(82%,560px);background:var(--ink);color:#fff;padding:11px 16px;border-radius:20px 20px 6px 20px;white-space:pre-wrap;word-wrap:break-word;font-size:16px;line-height:1.5}
.av{flex:0 0 34px;width:34px;height:34px;border-radius:12px;background:var(--accent);display:grid;place-items:center;margin-top:2px;box-shadow:0 6px 16px -8px rgba(7,90,136,.6)}
.av svg{width:20px;height:20px;fill:none;stroke:var(--on-accent);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.av svg circle{stroke-width:2.2}
.body{min-width:0;flex:1;max-width:calc(100% - 46px)}
.msg.bot .body>.text>*:last-child{margin-bottom:0}
.text{word-wrap:break-word;overflow-wrap:anywhere}
.text p{margin:0 0 .7em}
.text ul,.text ol{margin:.2em 0 .8em;padding-left:1.25em}
.text li{margin:.2em 0}
.text strong{font-weight:600;color:var(--ink)}
.err-msg{color:var(--err)}
.status{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14.5px;margin:4px 0 6px;min-height:24px}
.think{display:inline-flex;gap:4px}
.think i{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:bounce 1.2s infinite var(--ease)}
.think i:nth-child(2){animation-delay:.15s}.think i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,80%,100%{transform:translateY(0);opacity:.5}40%{transform:translateY(-5px);opacity:1}}
.steps{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center}
.step{color:var(--accent-ink);font-weight:600;font-size:13.5px;animation:rise .3s var(--ease) both}
.actions{display:flex;gap:4px;flex-wrap:wrap;margin-top:8px;opacity:.85}
.act{background:none;border:1px solid transparent;border-radius:999px;padding:4px 10px;font-size:13px;color:var(--muted);transition:background .2s,color .2s}
.act:hover{background:var(--panel-2);color:var(--ink);border-color:var(--line)}
.act.on{background:var(--accent-2);color:var(--accent-ink)}
.cards{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.cards:empty{display:none}

/* interactive cards */
.ui-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;opacity:0;transform:translateY(8px)}
.ui-card.in{animation:cardIn .5s var(--ease) forwards}
@keyframes cardIn{to{opacity:1;transform:none}}
.uc-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:14px 18px 0}
.uc-h b{font:600 17px var(--head)}
.uc-h .muted{font-size:13px}
.uc-b{padding:12px 18px 18px}
.uc-b>p{margin:.6em 0}
.big{font:600 20px var(--head);margin:4px 0 6px}
.big-num{font:600 44px/1 var(--head);color:var(--ink);letter-spacing:-.02em}
.big-num span{font-size:18px;color:var(--muted);font-weight:500}
.picked{display:inline-block;background:var(--accent-2);color:var(--accent-ink);padding:4px 10px;border-radius:999px;font-weight:600;font-size:14px;margin-bottom:12px}
.ui-card.done{border-color:#bfe5d2}
.ui-card.done .uc-h b{color:var(--ok)}

/* segmented control */
.seg{display:flex;flex-wrap:wrap;gap:6px;background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:4px}
.seg button{flex:1 1 auto;border:0;background:none;border-radius:10px;padding:7px 12px;font-size:14px;color:var(--ink-2);transition:background .2s,color .2s}
.seg button:hover{background:rgba(120,197,239,.18)}
.seg button.on{background:var(--panel);color:var(--accent-ink);font-weight:600;box-shadow:0 1px 3px rgba(11,36,51,.12)}

/* slots */
.day-tabs{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px;scrollbar-width:thin}
.dtab{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-start;border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:8px 12px;min-width:86px;text-align:left;transition:border-color .2s,background .2s}
.dtab small{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.dtab b{font:600 15px var(--head)}
.dtab:hover{border-color:var(--accent)}
.dtab.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.dtab.on small{color:var(--on-accent);opacity:.8}
.times{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:8px}
.time{border:1px solid var(--line-2);background:var(--panel);border-radius:12px;padding:10px 6px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--ink-2);animation:rise .4s var(--ease) both;animation-delay:calc(var(--i,0)*25ms)}
.time:hover{border-color:var(--accent);background:var(--accent-2);color:var(--on-accent)}

/* mini forms */
.mini{display:flex;flex-direction:column;gap:12px}
.mini label{display:flex;flex-direction:column;gap:5px;min-width:0}
.mini label>span{font-size:13px;font-weight:600;color:var(--ink-2)}
.mini input,.mini select,.mini textarea{width:100%;min-height:44px;border:1px solid var(--line-2);border-radius:12px;background:#fff;padding:9px 12px;font-size:16px;transition:border-color .2s,box-shadow .2s}
.mini textarea{resize:vertical;min-height:88px}
.mini input:focus,.mini select:focus,.mini textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(120,197,239,.25)}
.mini .row{margin-top:2px}
.err{color:var(--err);font-size:14px;min-height:0;margin:0}
.err:empty{display:none}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid2 label{min-width:0}
.grid2 select{width:100%;min-height:42px;border:1px solid var(--line-2);border-radius:12px;padding:8px 10px;background:#fff;font-size:15px}

/* estimate */
.out{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-2)}
.out p{font-size:15px;color:var(--ink-2);margin:.5em 0 0}

/* savings */
.sv-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:20px;align-items:center}
.sv-ctl{display:flex;flex-direction:column;gap:12px;min-width:0}
.sl{display:flex;flex-direction:column;gap:4px}
.sl-h{font-size:14px;color:var(--ink-2);display:flex;justify-content:space-between;gap:8px}
.sl-h output{font-weight:700;color:var(--accent-ink);font-variant-numeric:tabular-nums;white-space:nowrap}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:linear-gradient(90deg,var(--accent) var(--p,50%),var(--line) var(--p,50%));outline:none;margin:6px 0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--accent-ink);box-shadow:0 2px 6px rgba(7,90,136,.3);cursor:pointer}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid var(--accent-ink);cursor:pointer}
.cur{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--ink-2)}
.cur select{min-height:40px;border:1px solid var(--line-2);border-radius:12px;padding:6px 10px;background:#fff}
.sv-out{display:flex;flex-direction:column;align-items:center;gap:14px;min-width:0}
.ring{position:relative;width:150px;height:150px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:12}
.rbg{stroke:var(--panel-2)}
.rfg{stroke:var(--accent);stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:70;transition:stroke-dashoffset .6s var(--ease)}
.ring-t{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.ring-t .pct{font:700 30px/1 var(--head);color:var(--ink)}
.ring-t span{font-size:12px;color:var(--muted);max-width:11ch;margin-top:4px}
.sv-out dl{margin:0;width:100%;display:grid;gap:8px}
.sv-out dl>div{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding-bottom:6px}
.sv-out dt{color:var(--muted);font-size:14px}
.sv-out dd{margin:0;font:600 15px var(--head);text-align:right;font-variant-numeric:tabular-nums}
.assume{margin-top:12px}

/* design pipeline */
.design-ctl{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}
.pipe{background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:8px}
.pipe svg{width:100%;height:auto}
.g-node rect{fill:#fff;stroke:var(--line-2);stroke-width:1.2;transition:fill .3s,stroke .3s}
.g-node text{font:600 13px var(--head);fill:var(--ink);text-anchor:middle}
.g-node text.sub{font:500 11px var(--body);fill:var(--muted)}
.g-node.act rect{fill:var(--accent);stroke:var(--accent-ink)}
.g-node.act text{fill:var(--on-accent)}
.g-node.act text.sub{fill:var(--on-accent);opacity:.85}
.g-node{animation:fadeIn .5s var(--ease) both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.g-link{fill:none;stroke:var(--line-2);stroke-width:2}
.g-flow{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:6 280;animation:flow 2.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-286}}
.summary{font-size:15px;color:var(--ink-2);margin:12px 0 0}
.summary b{color:var(--ink)}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.svc{border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--panel);display:flex;flex-direction:column;gap:6px;animation:rise .5s var(--ease) both;animation-delay:calc(var(--i,0)*70ms);transition:border-color .2s,box-shadow .2s}
.svc:hover{border-color:var(--accent);box-shadow:0 12px 24px -18px rgba(7,90,136,.5)}
.svc.focus{border-color:var(--accent);background:var(--panel-2)}
.svc h3{font-size:17px}
.svc p{font-size:14.5px;color:var(--ink-2);margin:0}
.svc ul{margin:0 0 6px;padding-left:18px;font-size:14px;color:var(--muted)}
.svc .btn{align-self:flex-start;margin-top:auto}

/* studio */
.studio-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:16px;align-items:start}
.studio-split address{font-style:normal;color:var(--ink-2);margin-bottom:6px;line-height:1.5}
.studio-split address b{color:var(--ink)}
.map-sm{border-radius:14px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--panel-2);min-width:0;width:100%}
.map-sm iframe,.map-mini iframe{width:100%;height:100%;border:0;display:block}
.map-mini{border-radius:14px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:#e9f3f9;min-width:0;width:100%}

/* right rail */
.studio-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.studio-card address{font-style:normal;color:var(--ink-2);line-height:1.5}
.studio-card address b{color:var(--ink)}
.facts{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:14px;color:var(--ink-2)}
.facts li{display:flex;flex-direction:column}
.facts span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.cap{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:4px 16px 14px}
.cap .rail-h{margin-top:12px}
.cap ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:14.5px;color:var(--ink-2)}
.cap li{position:relative;padding-left:20px}
.cap li::before{content:"";position:absolute;left:2px;top:.55em;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.browse{font-size:14px;color:var(--ink-2)}
.browse summary{cursor:pointer;color:var(--muted);font-size:13px;padding:6px 0}
.browse h2{font-size:16px;margin:14px 0 6px}
.browse ul{padding-left:18px;margin:0 0 8px}
.browse li{margin:.3em 0}

/* lead */
.lead-form{margin-top:4px}

/* dock */
.dock{padding:10px 20px 14px;background:linear-gradient(to top,var(--bg) 70%,rgba(247,251,254,0));position:relative;z-index:2}
.dock>*{max-width:780px;margin-left:auto;margin-right:auto}
.quick{display:flex;gap:8px;overflow-x:auto;padding:0 0 10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.quick::-webkit-scrollbar{display:none}
.quick button{flex:0 0 auto;border:1px solid var(--line-2);background:var(--panel);border-radius:999px;padding:6px 14px;font-size:14px;color:var(--ink-2);transition:background .2s,border-color .2s}
.quick button:hover{border-color:var(--accent);background:var(--accent-2);color:var(--on-accent)}
.suggest{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.suggest:empty{display:none}
.suggest button{border:1px solid var(--accent);background:rgba(120,197,239,.12);color:var(--accent-ink);border-radius:999px;padding:6px 12px;font-size:14px;text-align:left;animation:rise .35s var(--ease) both}
.suggest button:hover{background:var(--accent);color:var(--on-accent)}
.composer{display:flex;align-items:flex-end;gap:8px;background:var(--panel);border:1px solid var(--line-2);border-radius:22px;padding:8px 8px 8px 14px;box-shadow:0 10px 30px -18px rgba(11,36,51,.35);transition:border-color .2s,box-shadow .2s}
.composer:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(120,197,239,.22),0 10px 30px -18px rgba(11,36,51,.35)}
.composer textarea{flex:1;min-width:0;resize:none;border:0;outline:none;background:transparent;padding:9px 0;font-size:16px;line-height:1.45;max-height:180px;min-height:24px}
.composer textarea::placeholder{color:var(--muted)}
.mic,.send{flex:0 0 40px;width:40px;height:40px;border-radius:50%;border:0;display:grid;place-items:center;transition:background .2s,transform .2s var(--ease)}
.mic{background:var(--panel-2);color:var(--ink-2)}
.mic:hover{background:var(--accent-2)}
.mic.live{background:var(--err);color:#fff;animation:pulse-red 1.2s infinite}
@keyframes pulse-red{0%{box-shadow:0 0 0 0 rgba(180,35,24,.4)}100%{box-shadow:0 0 0 10px rgba(180,35,24,0)}}
.mic svg,.send svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.send{background:var(--accent);color:var(--on-accent)}
.send:hover:not(:disabled){transform:scale(1.05)}
.send:disabled{background:var(--line);color:var(--muted);cursor:default}
.send.stop{background:var(--ink);color:#fff}
.send.stop svg{fill:currentColor;stroke:none}
.dock .fine{text-align:center;margin-top:8px}

/* toast */
.toast{position:fixed;left:50%;bottom:110px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-size:14px;z-index:50;box-shadow:0 10px 30px -10px rgba(11,36,51,.5);animation:toastin .3s var(--ease) both;white-space:nowrap}
.toast.out{animation:toastout .3s var(--ease) forwards}
@keyframes toastin{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
@keyframes toastout{to{opacity:0;transform:translate(-50%,8px)}}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .app{grid-template-columns:var(--rail-l) minmax(0,1fr)}
  .rail-r{display:none}
}
@media (max-width:900px){
  .app{grid-template-columns:minmax(0,1fr)}
  .rail-l{display:none}
  .mobile-only{display:grid!important}
  .top{padding:10px 16px}
  .inner{padding:20px 16px 16px}
}
@media (max-width:720px){
  .prompts{grid-template-columns:minmax(0,1fr);gap:8px}
  .prompts button{padding:12px 14px}
  .welcome h1{font-size:30px}
  .welcome .lead{font-size:16px}
  .sv-grid,.studio-split,.svc-grid,.grid2{grid-template-columns:minmax(0,1fr)}
  .sv-out{flex-direction:row;justify-content:flex-start}
  .ring{width:120px;height:120px;flex:0 0 120px}
  .sv-out dl{flex:1}
  .msg.user .bubble{max-width:90%}
  .top-status{display:none}
  .toast{bottom:120px}
  .dock{padding:8px 12px 12px}
  .composer{border-radius:20px}
  .time{min-height:44px}
  .btn{min-height:44px}
}
@media (max-width:360px){
  .inner{padding:16px 12px}
  .dock{padding:8px 10px 10px}
  .ring{width:104px;height:104px;flex-basis:104px}
  .ring-t .pct{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* shown only when the page is opened straight from disk */
.open-note{position:fixed;left:16px;right:16px;bottom:16px;max-width:520px;margin:auto;background:var(--ink);color:#fff;border-radius:16px;padding:16px 18px;font-size:15px;line-height:1.5;z-index:200;box-shadow:0 16px 40px -12px rgba(11,36,51,.5)}
.open-note code{background:rgba(255,255,255,.12);border-color:transparent;color:#fff}
.open-note a{color:var(--accent)}