:root{--bg:#0b0d10;--panel:#111419;--panel2:#171b21;--line:#252b33;--text:#f3f5f7;--muted:#98a1ad;--soft:#c7cdd4;--accent:#f2f3f5;--accentText:#101216;--ok:#77d19a;--danger:#ff7f86;--shadow:0 20px 60px rgba(0,0,0,.34)}
 *{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,textarea,input{font:inherit}.app-shell{height:100dvh;display:grid;grid-template-columns:280px 1fr}.sidebar{background:#0d1014;border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;min-width:0}.brand-row{display:flex;gap:11px;align-items:center;padding:8px 8px 20px}.brand-mark,.modal-icon{width:34px;height:34px;border-radius:10px;background:linear-gradient(145deg,#fafafa,#aab1bb);color:#101216;display:grid;place-items:center;font-weight:900;box-shadow:inset 0 0 0 1px rgba(255,255,255,.6)}.brand-title{display:flex;flex-direction:column}.brand-row strong{font-size:14px}.brand-row span{font-size:11px;color:var(--muted);margin-top:2px}.sidebar-close{margin-left:auto;width:36px;height:36px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);font-size:24px;line-height:1;cursor:pointer}.sidebar-close:hover{background:var(--panel2)}.new-chat,.project,.side-action,.profile-button{border:0;color:var(--text);background:transparent;border-radius:10px;cursor:pointer}.new-chat{border:1px solid var(--line);padding:11px 12px;text-align:left;margin-bottom:20px}.new-chat:hover,.project:hover,.side-action:hover,.profile-button:hover{background:var(--panel2)}.side-section{display:flex;flex-direction:column;gap:4px}.side-label{padding:8px 10px;color:#69727d;text-transform:uppercase;font-size:10px;letter-spacing:.14em}.project{display:flex;align-items:center;gap:10px;padding:10px;text-align:left}.project.active{background:var(--panel2)}.dot{width:8px;height:8px;border-radius:50%;background:#717b87}.dot.demo{background:var(--ok)}.sidebar-bottom{margin-top:auto;display:grid;gap:8px}.side-action{padding:10px;text-align:left}.profile-button{display:flex;gap:10px;align-items:center;padding:10px;text-align:left}.profile-button>span:nth-child(2){display:flex;flex-direction:column}.profile-button small{color:var(--muted);margin-top:2px}.avatar{width:32px;height:32px;border-radius:50%;background:#262d36;display:grid;place-items:center;font-weight:700}.main{min-width:0;display:grid;grid-template-rows:64px 1fr auto;height:100dvh}.topbar{border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:rgba(11,13,16,.84);backdrop-filter:blur(18px);z-index:4}.mode-switch{display:flex;background:var(--panel);padding:4px;border:1px solid var(--line);border-radius:12px}.mode{border:0;background:transparent;color:var(--muted);padding:7px 16px;border-radius:8px;cursor:pointer}.mode.active{background:#272d35;color:var(--text)}.top-actions{display:flex;gap:10px;align-items:center}.status-pill{font-size:12px;color:var(--muted);padding:7px 10px;border:1px solid var(--line);border-radius:999px}.ghost-button,.icon-button{background:transparent;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer}.conversation{overflow:auto;position:relative}.hero{max-width:850px;margin:0 auto;padding:11vh 24px 30px;text-align:center}.hero-orb{margin:0 auto 18px;width:54px;height:54px;border-radius:18px;background:linear-gradient(145deg,#f7f7f8,#777f8b);color:#111318;display:grid;place-items:center;font-size:22px;box-shadow:var(--shadow)}.hero h1{font-size:34px;letter-spacing:-.035em;margin:0 0 10px}.hero>p{color:var(--muted);max-width:620px;margin:0 auto 28px;line-height:1.6}.prompt-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:720px;margin:auto}.prompt-card{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:14px;padding:15px 16px;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:5px}.prompt-card:hover{background:var(--panel2)}.prompt-card span{color:var(--muted);font-size:12px}.messages{max-width:820px;margin:0 auto;padding:30px 24px 60px;display:flex;flex-direction:column;gap:24px}.message{display:flex;gap:12px;align-items:flex-start}.message.user{justify-content:flex-end}.message.user .bubble{background:#242a32;max-width:72%;border-radius:18px 18px 4px 18px;padding:12px 15px}.assistant-icon{width:30px;height:30px;border-radius:10px;background:linear-gradient(145deg,#fafafa,#939aa4);color:#0f1114;display:grid;place-items:center;flex:0 0 auto;font-weight:900}.assistant-content{max-width:78%;line-height:1.65;color:#e6e8eb;padding-top:3px}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.action-link,.action-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;border-radius:9px;border:1px solid var(--line);background:var(--panel);color:var(--text);text-decoration:none;font-size:13px}.action-link:hover{background:var(--panel2)}.voice-stage{min-height:calc(100% - 40px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;text-align:center}.voice-orb{width:132px;height:132px;border-radius:50%;border:1px solid #3b424b;background:radial-gradient(circle at 35% 25%,#4d5662,#191d23 62%,#0e1014);box-shadow:0 0 0 12px rgba(255,255,255,.02),0 30px 80px rgba(0,0,0,.45);color:white;font-size:38px;cursor:pointer;transition:.2s}.voice-orb.listening{transform:scale(1.04);box-shadow:0 0 0 18px rgba(119,209,154,.08),0 0 70px rgba(119,209,154,.2)}.voice-stage h2{margin:24px 0 8px}.voice-stage p{color:var(--muted);max-width:500px}.live-transcript{margin-top:16px;min-height:40px;color:var(--soft);font-size:18px}.composer-wrap{padding:10px 24px 18px;background:linear-gradient(to top,var(--bg) 72%,transparent)}.composer{max-width:820px;margin:0 auto;background:var(--panel2);border:1px solid #303741;border-radius:18px;display:flex;align-items:flex-end;padding:9px 10px 9px 14px;box-shadow:0 10px 40px rgba(0,0,0,.18)}.composer textarea{border:0;outline:0;resize:none;max-height:160px;min-height:28px;line-height:1.5;background:transparent;color:var(--text);width:100%;padding:5px 4px}.composer textarea::placeholder{color:#747d88}.composer-actions{display:flex;gap:8px}.round-button,.send-button{width:36px;height:36px;border-radius:11px;border:0;cursor:pointer}.round-button{background:#222831;color:var(--text)}.send-button{background:var(--accent);color:var(--accentText);font-weight:900;font-size:18px}.composer-note{text-align:center;color:#626b76;font-size:10px;margin-top:8px}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.66);display:grid;place-items:center;padding:20px;z-index:20;backdrop-filter:blur(7px)}.modal-backdrop[hidden]{display:none}.modal{width:min(420px,100%);background:#12161b;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow);position:relative}.modal-close{position:absolute;right:14px;top:12px;border:0;background:transparent;color:#8e97a2;font-size:25px;cursor:pointer}.modal-icon{margin-bottom:20px}.modal h2{margin:0 0 8px}.modal p{color:var(--muted);line-height:1.5;font-size:13px}.modal label{display:grid;gap:7px;margin-top:14px;font-size:12px;color:var(--soft)}.modal input{background:#0c0f13;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:11px 12px;outline:0}.modal input:focus{border-color:#606a76}.primary-button{width:100%;margin-top:18px;border:0;border-radius:10px;background:var(--accent);color:var(--accentText);font-weight:700;padding:11px;cursor:pointer}.login-error{color:var(--danger);font-size:12px;margin-top:10px;min-height:18px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:#f2f3f5;color:#101216;padding:10px 14px;border-radius:10px;opacity:0;pointer-events:none;transition:.2s;z-index:40;font-size:13px}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.mobile-only{display:none}.auth-only.locked{opacity:.42;pointer-events:none}.hidden{display:none!important}
@media(max-width:820px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:12;inset:0 auto 0 0;width:280px;transform:translateX(-101%);transition:.22s;box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}.mobile-only{display:inline-flex}.topbar{padding:0 12px}.status-pill{display:none}.hero{padding-top:8vh}.prompt-grid{grid-template-columns:1fr}.message.user .bubble,.assistant-content{max-width:88%}.composer-wrap{padding-inline:10px;padding-bottom:max(12px,env(safe-area-inset-bottom))}.mode{padding-inline:12px}.ghost-button{padding:8px 9px}}

/* v0.3 · respuesta visible en modo Voz */
.voice-response{width:min(720px,100%);margin-top:26px;padding:18px 20px;border:1px solid var(--line);background:var(--panel);border-radius:18px;display:flex;gap:12px;text-align:left;box-shadow:0 16px 50px rgba(0,0,0,.18)}
.voice-response[hidden]{display:none}
.voice-response-icon{width:34px;height:34px;border-radius:11px;background:linear-gradient(145deg,#fafafa,#939aa4);color:#0f1114;display:grid;place-items:center;flex:0 0 auto;font-weight:900}
.voice-response>div:last-child{min-width:0;flex:1}
.voice-response-text{line-height:1.65;color:#e6e8eb;white-space:pre-wrap}
.voice-response .actions{margin-top:14px}
@media(max-width:820px){.voice-response{padding:15px 16px}.voice-orb{width:112px;height:112px}}

/* DTA Assistant: la interfaz de voz grande solo se muestra en modo Voz. */
.voice-stage[hidden]{display:none!important}

/* v0.3.1 · feedback visual del micrófono pequeño en modo Chat */
.composer{
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.composer.listening{
  border-color:rgba(119,209,154,.72);
  box-shadow:0 0 0 3px rgba(119,209,154,.10),0 12px 44px rgba(0,0,0,.24);
}
#micBtn{
  position:relative;
  transition:transform .16s ease,background .16s ease,box-shadow .16s ease;
}
#micBtn.listening{
  background:#273b32;
  transform:scale(1.06);
  box-shadow:0 0 0 5px rgba(119,209,154,.10),0 0 22px rgba(119,209,154,.22);
  animation:dtaMicPulse 1.05s ease-in-out infinite;
}
#micBtn.listening::after{
  content:'';
  position:absolute;
  inset:-5px;
  border:1px solid rgba(119,209,154,.55);
  border-radius:14px;
  animation:dtaMicRing 1.05s ease-out infinite;
  pointer-events:none;
}
@keyframes dtaMicPulse{
  0%,100%{transform:scale(1.03)}
  50%{transform:scale(1.11)}
}
@keyframes dtaMicRing{
  0%{opacity:.75;transform:scale(.92)}
  100%{opacity:0;transform:scale(1.28)}
}
@media (prefers-reduced-motion:reduce){
  #micBtn.listening,#micBtn.listening::after{animation:none}
}


/* =========================================================
 * v0.8 · Branding dinámico por proyecto/usuario
 * El logo del proyecto reemplaza la inicial D después del login.
 * ========================================================= */
.assistant-brand-slot{
  overflow:hidden;
}
.assistant-brand-image{
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
}
.hero-orb.has-project-logo,
.assistant-icon.has-project-logo,
.voice-response-icon.has-project-logo{
  background:#f3f4f6;
  color:#111318;
}
.hero-orb.has-project-logo{
  padding:5px;
}
.assistant-icon.has-project-logo{
  padding:3px;
}
.voice-response-icon.has-project-logo{
  padding:4px;
}
.assistant-brand-fallback{
  display:grid;
  width:100%;
  height:100%;
  place-items:center;
  font-weight:900;
}
.project-logo{
  width:22px;
  height:22px;
  flex:0 0 22px;
  object-fit:contain;
  border-radius:6px;
  background:#f1f2f4;
  padding:2px;
}
.project-brand-mark{
  width:22px;
  height:22px;
  flex:0 0 22px;
  border-radius:7px;
  font-size:12px;
}

.assistant-content>div:first-child{
  white-space:pre-wrap;
}

/* v0.9 · ajuste iPhone: safe area superior y controles del composer alineados. */
@media(max-width:820px){
  .main{
    grid-template-rows:calc(58px + env(safe-area-inset-top)) minmax(0,1fr) auto;
  }
  .topbar{
    min-height:calc(58px + env(safe-area-inset-top));
    padding:env(safe-area-inset-top) 10px 6px;
    gap:8px;
  }
  .mode-switch{
    flex:0 0 auto;
  }
  .mode{
    min-height:34px;
    padding:6px 14px;
    line-height:1.1;
  }
  .top-actions{
    min-width:0;
    flex:0 1 auto;
  }
  .ghost-button{
    min-height:34px;
    max-width:132px;
    padding:7px 10px;
    line-height:1.1;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .icon-button{
    width:36px;
    height:36px;
    padding:0;
    display:inline-grid;
    place-items:center;
    flex:0 0 36px;
  }
  .hero{
    padding-top:6vh;
  }
  .composer-wrap{
    padding-bottom:calc(max(12px,env(safe-area-inset-bottom)) + 15px);
  }
  .composer{
    align-items:center;
    min-height:56px;
    padding:8px 8px 8px 14px;
  }
  .composer textarea{
    min-height:32px;
    padding:4px 4px;
    line-height:1.35;
  }
  .composer-actions{
    align-items:center;
    align-self:center;
    flex:0 0 auto;
  }
  .round-button,.send-button{
    width:40px;
    height:40px;
    min-width:40px;
    display:inline-grid;
    place-items:center;
    line-height:1;
    padding:0;
  }
}