@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
:root {color-scheme:light;--wf-bg:#F8F7F4;--wf-panel:#FFF;--wf-ink:#0E2A26;--wf-muted:#607471;--wf-border:#E7EAE9;--wf-border-strong:#E5E4E2;--wf-yellow:#FFD400;--wf-yellow-hover:#E3C117;--wf-dark:#0B1F1C;--wf-mint:#43B5A0;--wf-mint-soft:#DDFEF8;--wf-red:#FDF4F1;--wf-red-ink:#983216}
*{box-sizing:border-box}body{margin:0;color:var(--wf-ink);background:var(--wf-bg);font:12.5px/1.35 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,summary{-webkit-tap-highlight-color:transparent;cursor:pointer}button{transition:background 120ms,border-color 120ms}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,summary:focus-visible,#transcript:focus-visible{outline:2px solid var(--wf-mint);outline-offset:3px}
.app-header{height:72px;padding:0 32px;display:flex;align-items:center;gap:24px;background:var(--wf-dark);color:white}.brand{display:block;object-fit:contain}.header-divider{width:1px;height:28px;background:#ffffff24}h1{margin:0;font-size:18px;font-weight:600;letter-spacing:-.02em}main{max-width:1192px;margin:32px auto;padding:0 28px}.workspace{display:grid;grid-template-columns:320px minmax(0,1fr);gap:20px;min-height:530px;height:min(680px,calc(100dvh - 184px))}.call-panel,.transcript-panel{background:var(--wf-panel);border:1px solid var(--wf-border);border-radius:10px;min-width:0}.call-panel{padding:22px;display:flex;flex-direction:column}.call-top{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--wf-muted);font-size:11.5px}#status{font-weight:500}#timer{font-family:'JetBrains Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums;color:var(--wf-ink)}
.call-metrics{display:flex;align-items:center;gap:10px;white-space:nowrap}#call-cost{font:11px 'JetBrains Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums;color:var(--wf-muted)}
.voice-stage{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px 0 16px}.voice-halo{display:grid;place-items:center;width:128px;height:128px;border-radius:50%;background:var(--wf-bg);border:1px solid var(--wf-border);margin-bottom:20px}.voice-core{width:104px;height:104px;display:grid;place-items:center;border-radius:50%;background:var(--wf-dark)}.voice-halo.connected{background:var(--wf-mint-soft);border-color:#A1F4E5}.wave{display:flex;gap:4px;align-items:center;height:46px}.wave i{width:3px;height:10px;border-radius:3px;background:var(--wf-yellow);transition:height 90ms}.wave i:nth-child(2),.wave i:nth-child(6){height:19px}.wave i:nth-child(3),.wave i:nth-child(5){height:28px}.wave i:nth-child(4){height:37px}.voice-stage h2{margin:0 0 7px;font-size:22px;font-weight:600;letter-spacing:-.02em}.language-note{margin:0;font-size:11px;color:var(--wf-muted)}#voice-hint{margin:14px 0 0;font-size:11.5px;color:var(--wf-muted)}#voice-hint:empty{display:none}#activity{min-height:16px;margin:12px 0 0;color:#1A7060;font-size:11px}
.call-controls{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 26px}.call-controls button{min-height:38px;border-radius:6px;border:1px solid transparent;font-size:12px;font-weight:600;padding:9px 13px;flex:1}.call-controls button:active:not(:disabled){transform:translateY(.5px)}.call-controls .primary{background:var(--wf-yellow);border-color:var(--wf-yellow-hover);color:var(--wf-dark);box-shadow:0 1px 4px #e3c1174d;display:flex;justify-content:center;align-items:center;gap:8px;font-weight:700}.primary:hover:not(:disabled){background:var(--wf-yellow-hover);border-color:#CDAF1B}.primary svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7}.call-controls .secondary{background:white;color:var(--wf-ink);border-color:var(--wf-border-strong)}.secondary:hover{background:var(--wf-bg)}.call-controls .secondary[aria-pressed="true"]{background:var(--wf-yellow);border-color:var(--wf-yellow-hover)}.call-controls .end{background:#BC4120;border-color:var(--wf-red-ink);color:white}.end:hover{background:var(--wf-red-ink)}#enable-audio{flex-basis:100%}
.caller-setup{padding-top:20px;border-top:1px solid var(--wf-border)}.caller-setup label{display:flex;justify-content:space-between;margin-bottom:8px;font-size:11.5px;font-weight:600}.caller-setup label span{font-weight:400;color:var(--wf-muted)}#caller-phone{width:100%;height:42px;border:1px solid var(--wf-border-strong);border-radius:6px;background:white;color:var(--wf-ink);padding:0 11px;font:12px 'JetBrains Mono',ui-monospace,monospace}#caller-phone::placeholder{color:#93908E}#caller-phone:focus{outline:none;border-color:var(--wf-mint);box-shadow:0 0 0 2px #43b5a033}#caller-phone:disabled{background:var(--wf-bg)}.caller-setup p{margin:8px 0 0;color:var(--wf-muted);font-size:10.5px}
.transcript-panel{display:flex;flex-direction:column;overflow:hidden}.transcript-heading{padding:20px 22px;border-bottom:1px solid var(--wf-border)}.transcript-heading h2{margin:0;font-size:14px;font-weight:600;letter-spacing:-.01em}#transcript{flex:1;min-height:0;overflow:auto;padding:24px;scroll-behavior:smooth}#empty-transcript{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--wf-muted);gap:12px}#empty-transcript svg{width:28px;height:28px;fill:none;stroke:#93908E;stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round}#empty-transcript p{margin:0;font-size:12px}.turn{margin-bottom:24px;max-width:94%}.turn.user{margin-left:auto}.turn-label{color:var(--wf-muted);font-size:10.5px;font-weight:600;margin-bottom:6px}.turn.user .turn-label{text-align:right}.turn-message{font-size:13px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}.turn.user .turn-message{background:var(--wf-bg);padding:10px 13px;border:1px solid var(--wf-border);border-radius:8px 2px 8px 8px}
.activity-details{margin-top:16px;border:1px solid var(--wf-border);border-radius:10px;background:white}summary{padding:15px 18px;font-size:11.5px;font-weight:600}#tool-count{margin-left:8px;color:var(--wf-muted);font-weight:400}.call-metadata{display:flex;justify-content:space-between;gap:10px;padding:0 18px 16px;color:var(--wf-muted);font-size:10.5px}#tools{margin:0;padding:0 22px 16px 36px;max-height:300px;overflow:auto;font-size:11.5px}#tools li{padding:8px 0;border-top:1px solid var(--wf-border)}.tool-label{font-weight:500}.tool-status{margin-left:8px;color:var(--wf-muted)}.tool-result{display:block;margin-top:5px;color:var(--wf-muted);white-space:pre-wrap;overflow-wrap:anywhere}.empty-activity{list-style:none;color:var(--wf-muted)}.error{background:var(--wf-red);color:var(--wf-red-ink);border:1px solid #e3471c40;border-radius:6px;padding:10px 12px;margin:0 0 12px;font-size:12px;overflow-wrap:anywhere}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:var(--wf-border-strong);border-radius:3px}[hidden]{display:none!important}
@media(max-width:760px){.app-header{height:64px;padding:0 20px;gap:18px}.brand{width:38px;height:36px}h1{font-size:16px}main{margin:20px auto;padding:0 16px}.workspace{grid-template-columns:1fr;height:auto;gap:16px}.call-panel{padding:20px}.voice-stage{padding-top:24px}.voice-halo{width:108px;height:108px;margin-bottom:14px}.voice-core{width:88px;height:88px}.call-controls button{min-height:44px}.call-controls{margin-bottom:20px}.transcript-panel{height:430px}.call-metadata{flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Demo details stay readable beside the controls throughout a test call. */
.workspace{min-height:640px}
#activity:empty{display:none}
.call-controls{margin-bottom:16px}
.call-controls button{min-height:44px}
.demo-details{padding:14px;background:var(--wf-bg);border:1px solid var(--wf-border);border-radius:8px}
.demo-details h3{margin:0;font-size:13px;font-weight:600}
.demo-opener{margin:6px 0 12px;font-size:12px;line-height:1.5;color:var(--wf-muted)}
.demo-details dl{margin:0;display:grid;gap:10px}
.demo-details dl>div{display:grid;grid-template-columns:70px minmax(0,1fr);gap:8px;align-items:start}
.demo-details dt{padding-top:3px;font-size:11px;color:var(--wf-muted)}
.demo-details dd{margin:0;font-size:12px;line-height:1.55;overflow-wrap:anywhere;user-select:text}
.demo-details dd span{color:var(--wf-muted)}
.demo-details .demo-zip{font:500 18px/1.3 'JetBrains Mono',ui-monospace,monospace;letter-spacing:.03em}
.demo-note{margin:10px 0 0;font-size:10.5px;color:var(--wf-muted)}
.caller-setup{margin-top:14px;padding-top:0}
.caller-setup summary{min-height:44px;padding:14px 0;font-size:11.5px}
.caller-setup summary span{float:right;font-weight:400;color:var(--wf-muted)}
.caller-fields{padding:0 0 2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(max-width:1000px){
  .app-header{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
  main{margin:12px auto 20px;padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right));padding-bottom:env(safe-area-inset-bottom)}
  .workspace{grid-template-columns:1fr;height:auto;min-height:0;gap:12px}
  .call-panel{padding:16px}
  .call-top{font-size:12px}
  #call-cost{font-size:12px}
  .voice-stage{flex:none;display:grid;grid-template-columns:72px minmax(0,1fr);column-gap:16px;padding:20px 0 14px;text-align:left;justify-content:initial}
  .voice-halo{grid-column:1;grid-row:1/span 2;width:72px;height:72px;margin:0}
  .voice-core{width:58px;height:58px}
  .wave{gap:3px;transform:scale(.75)}
  .voice-stage h2{grid-column:2;grid-row:1;align-self:end;margin:0 0 4px;font-size:23px}
  .language-note{grid-column:2;grid-row:2;align-self:start;font-size:12px}
  #voice-hint,#activity{grid-column:1/-1;font-size:13px}
  .call-controls{margin:4px 0 16px}
  .call-controls button{min-height:48px;padding:12px 16px;font-size:14px;touch-action:manipulation}
  .demo-details{padding:14px}
  .demo-details h3{font-size:14px}
  .demo-opener{font-size:13px;margin-bottom:10px}
  .demo-details dl>div{grid-template-columns:78px minmax(0,1fr)}
  .demo-details dt{font-size:12px}
  .demo-details dd{font-size:14px}
  .demo-details .demo-zip{font-size:20px}
  .demo-note{font-size:12px}
  .caller-setup{margin-top:12px}
  .caller-setup summary{font-size:13px;min-height:48px;padding:16px 0}
  #caller-phone{height:48px;font-size:16px}
  .caller-setup p{font-size:12px}
  .transcript-panel{height:clamp(280px,52dvh,430px)}
  .transcript-heading{padding:16px}
  #transcript{padding:16px}
  .turn-message{font-size:15px;line-height:1.55}
  .turn{max-width:100%}
  .call-metadata{overflow-wrap:anywhere}
  body:is([data-call-state="connecting"],[data-call-state="connected"],[data-call-state="finishing"]){padding-bottom:calc(96px + env(safe-area-inset-bottom))}
  body:is([data-call-state="connecting"],[data-call-state="connected"],[data-call-state="finishing"]) .call-controls{position:fixed;bottom:0;left:0;right:0;z-index:10;margin:0;padding:12px max(16px,env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));background:var(--wf-panel);border-top:1px solid var(--wf-border);box-shadow:0 -6px 24px #0b1f1c0c}
}