/* Ventanilla Santa Marta — paleta oficial de la Alcaldía (santamarta.gov.co) */
:root{
  --bg:#ffffff;
  --bg-soft:#f4f9fc;
  --ink:#0f2a3d;
  --muted:#5f7d92;
  --brand:#0d6fa5;          /* celeste institucional */
  --brand-deep:#0a5a86;
  --brand-ink:#0b3a55;
  --brand-soft:#e9f4fa;     /* celeste pálido */
  --brand-softer:#f3f9fd;
  --line:rgba(13,111,165,.16);
  --card:#ffffff;
  --r-pill:999px;
  --r-card:24px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.5;
  min-height:100dvh;
}
/* resplandor celeste sutil arriba */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(120% 40% at 50% -6%,rgba(13,111,165,.14),transparent 70%);
}
.app{
  position:relative;z-index:1;
  max-width:600px;margin:0 auto;
  min-height:100dvh;
  display:flex;flex-direction:column;
}
/* ---------- topbar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;
}
.brand{display:flex;align-items:center;gap:11px;cursor:pointer}
.alcaldia img{display:block;height:40px;width:auto}
.wordmark{
  font-family:var(--serif);font-weight:600;font-size:24px;letter-spacing:-.01em;color:var(--brand-ink);
}
.wordmark.sm{font-size:19px}
.iconbtn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand);cursor:pointer;
  display:grid;place-items:center;
}
.iconbtn svg{width:19px;height:19px}
/* ---------- thread ---------- */
.thread{
  flex:1;display:flex;flex-direction:column;
  padding:6px 16px 12px;gap:14px;
  overflow-y:auto;
}
.spacer{flex:1;min-height:4px}
/* empty state */
.empty{text-align:center;padding:5vh 8px 0;animation:rise .5s ease both}
.kicker{
  font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;
}
.headline{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(34px,9vw,46px);line-height:1.08;letter-spacing:-.015em;color:var(--brand-ink);
  margin-bottom:14px;
}
.sub{color:var(--muted);font-size:15px;max-width:34ch;margin:0 auto 24px}
.actions{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-bottom:22px}
.action-pill{
  background:#fff;color:var(--brand-deep);border:1.5px solid var(--brand);
  border-radius:var(--r-pill);
  font:600 14px/1 var(--sans);padding:12px 18px;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  box-shadow:0 2px 10px rgba(13,111,165,.12);
}
.action-pill:hover{background:var(--brand-soft);transform:translateY(-1px)}
.action-pill:active{transform:scale(.97)}
.privacy{
  display:flex;align-items:center;justify-content:center;gap:7px;
  color:var(--muted);font-size:12.5px;max-width:38ch;margin:0 auto;
}
.privacy svg{width:15px;height:15px;flex:none;color:var(--brand)}
/* ---------- mensajes ---------- */
.msg{animation:rise .35s ease both;max-width:100%}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.msg.user{align-self:flex-end;max-width:88%}
.bubble-user{
  background:linear-gradient(160deg,#1290c9,var(--brand-deep));
  color:#fff;border-radius:22px;padding:13px 17px 8px;
  font-size:15.5px;line-height:1.45;
  box-shadow:0 4px 16px rgba(13,111,165,.35);
  overflow-wrap:anywhere;
}
.bubble-user .ts{
  display:block;text-align:left;
  font-size:11px;color:rgba(255,255,255,.72);margin-top:5px;
}
.msg.assistant{align-self:flex-start;max-width:96%}
.card-assistant{
  background:var(--brand-soft);color:var(--ink);
  border:1px solid var(--line);
  border-radius:var(--r-card);padding:17px 18px;
  font-size:15px;line-height:1.55;
  box-shadow:0 6px 22px rgba(13,111,165,.10);
  overflow-wrap:anywhere;
}
.card-assistant h3{font-size:14px;font-weight:700;margin:12px 0 6px;letter-spacing:.01em;color:var(--brand-ink)}
.card-assistant h3:first-child{margin-top:0}
.card-assistant p{margin:0 0 10px}
.card-assistant p:last-child{margin-bottom:0}
.card-assistant ul{margin:6px 0 10px;padding-left:20px}
.card-assistant li{margin:4px 0}
.card-assistant li::marker{color:var(--brand)}
.card-assistant a{color:var(--brand-deep);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.card-assistant strong{font-weight:700}
/* fuentes: chips estilo hark */
.sources{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.src-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;color:var(--brand-ink);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:9px 14px;
  font-size:12.5px;font-weight:600;text-decoration:none;
  box-shadow:0 2px 8px rgba(13,111,165,.10);
}
.src-chip svg{width:13px;height:13px;flex:none;color:var(--brand)}
.src-chip .dom{display:block;font-size:10.5px;font-weight:500;color:var(--muted)}
/* pill de estado (cargando) */
.status-pill{
  align-self:flex-start;
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);color:var(--brand-ink);
  border-radius:var(--r-pill);padding:11px 18px;
  font-size:13.5px;font-weight:600;
  box-shadow:0 4px 14px rgba(13,111,165,.12);
}
.spinner{
  width:16px;height:16px;border-radius:50%;flex:none;
  border:2.5px solid rgba(13,111,165,.25);border-top-color:var(--brand);
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.msg-error{align-self:center;max-width:92%}
.err-card{
  background:#fdf0f0;border:1px solid rgba(200,60,60,.25);color:#8f1f1f;
  border-radius:18px;padding:14px 18px;font-size:14px;text-align:center;
}
.err-card button{
  margin-top:10px;background:var(--brand);color:#fff;border:0;border-radius:var(--r-pill);
  font:600 13px var(--sans);padding:9px 18px;cursor:pointer;
}
/* ---------- dock / composer ---------- */
.dock{
  padding:8px 14px calc(10px + env(safe-area-inset-bottom));
  background:linear-gradient(transparent,rgba(255,255,255,.94) 30%);
}
.composer{
  display:flex;align-items:flex-end;gap:8px;
  background:#fff;border:1.5px solid var(--line);
  border-radius:var(--r-pill);padding:7px 7px 7px 20px;
  box-shadow:0 4px 18px rgba(13,111,165,.10);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.composer:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(13,111,165,.15)}
.composer textarea{
  flex:1;background:transparent;border:0;outline:0;resize:none;
  color:var(--ink);font:400 15.5px/1.45 var(--sans);
  max-height:130px;padding:9px 0;
}
.composer textarea::placeholder{color:#93a9b8}
.send{
  width:44px;height:44px;flex:none;border:0;cursor:pointer;
  border-radius:50%;background:linear-gradient(160deg,#1290c9,var(--brand-deep));
  color:#fff;display:grid;place-items:center;
  box-shadow:0 4px 14px rgba(13,111,165,.4);
  transition:transform .15s ease,opacity .2s;
}
.send svg{width:20px;height:20px}
.send:active{transform:scale(.92)}
.send:disabled{opacity:.45;cursor:default}
.credit{
  text-align:center;font-size:10px;color:#8ba2b2;
  margin-top:9px;letter-spacing:.02em;
}
.credit a{color:#6d8a9d;text-decoration:none;display:inline-flex;align-items:center;gap:4px}
.credit img{height:10px;opacity:.7;vertical-align:-1px}
/* ---------- sheet ---------- */
.sheet-backdrop{
  position:fixed;inset:0;background:rgba(15,42,61,.45);z-index:40;
}
.sheet{
  position:fixed;left:50%;transform:translateX(-50%);
  bottom:0;width:100%;max-width:600px;z-index:41;
  background:#fff;border:1px solid var(--line);border-bottom:0;
  border-radius:26px 26px 0 0;padding:18px 22px calc(26px + env(safe-area-inset-bottom));
  animation:sheetup .3s ease both;max-height:82dvh;overflow-y:auto;
  box-shadow:0 -12px 40px rgba(13,111,165,.18);
}
@keyframes sheetup{from{opacity:0;transform:translate(-50%,24px)}to{opacity:1;transform:translate(-50%,0)}}
.sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.sheet-body p{font-size:14.5px;color:#33475a;margin-bottom:13px;line-height:1.6}
.sheet-body p.muted{color:var(--muted);font-size:13px}
.sheet-body svg.inline{width:15px;height:15px;vertical-align:-2px;color:var(--brand)}
@media (min-width:640px){
  .thread{padding-left:24px;padding-right:24px}
  .dock{padding-left:22px;padding-right:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* ===== Páginas legales ===== */
.backlink{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:var(--ink);font-size:20px;font-weight:600}
.backlink .wordmark{font-size:20px}
.doc{max-width:700px;margin:0 auto;padding:30px 20px 64px}
.doc h1{font-family:"Fraunces",Georgia,serif;font-weight:600;font-size:30px;line-height:1.15;margin:0 0 8px;color:var(--ink)}
.doc .update{color:var(--muted);font-size:13px;margin:0 0 26px}
.doc h2{font-size:17px;margin:30px 0 8px;color:var(--ink)}
.doc p,.doc li{font-size:15px;line-height:1.7;color:#2b3a44}
.doc ul{padding-left:20px;margin:10px 0}
.doc li{margin-bottom:6px}
.doc a{color:var(--brand-700);font-weight:600}
.legalnav{display:flex;justify-content:center;gap:10px;margin-bottom:10px;font-size:13px}
.legalnav a{color:var(--brand-700);text-decoration:none;font-weight:600}
.legalnav span{color:var(--muted)}
.legal-links{font-size:14px}
.legal-links a{color:var(--brand-700);font-weight:600;text-decoration:none}

/* ===== Barras de desplazamiento ===== */
[hidden]{display:none!important}
.chips{scrollbar-width:none;-ms-overflow-style:none}
.chips::-webkit-scrollbar{display:none}
.composer textarea{scrollbar-width:none;-ms-overflow-style:none}
.composer textarea::-webkit-scrollbar{display:none;width:0}

/* ===== Controles de conversación ===== */
.conv-controls{display:flex;gap:8px;justify-content:center;padding:2px 16px 10px;flex-wrap:wrap}
.chipbtn{
  font:600 13px/1 'Inter',system-ui,sans-serif;color:var(--brand-700);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:9px 15px;cursor:pointer;box-shadow:var(--shadow-sm);
}
.chipbtn:active{transform:scale(.97)}
.privacy a{color:var(--brand-700);font-weight:600}