:root{
  --bg:#0b1220;
  --panel:#121a2b;
  --card:#15223b;
  --card-2:#101927;
  --text:#e9eefb;
  --muted:#9fb0d7;
  --brand:#4da3ff;
  --ok:#35c48d;
  --warn:#ffd166;
  --error:#ff6b6b;
  --border:#223150;
  --ring:#6aa8ff66;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:14px/1.45 system-ui, Segoe UI, Roboto, Inter, Arial;
}

/* Layout */
.layout{display:grid;grid-template-columns:280px 1fr;min-height:100dvh}
.sidebar{
  background:var(--panel);
  border-right:1px solid var(--border);
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.profile{display:flex;gap:12px;align-items:center}
.avatar{width:44px;height:44px;border-radius:999px;object-fit:cover;border:1px solid var(--border)}
.user small{color:var(--muted)}
.nav{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.nav-link{padding:10px 12px;border-radius:12px;color:var(--text);text-decoration:none;border:1px solid transparent}
.nav-link:hover{background:var(--card);border-color:var(--border)}

.main{display:flex;flex-direction:column}
.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  background:linear-gradient(0deg, transparent, rgba(106,168,255,.06));
}
#view-title{margin:0;font-size:18px}
.view{padding:20px;display:flex;flex-direction:column;gap:16px}

/* Reutilizables tipo chat */
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px 16px;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.card + .card{margin-top:8px}
.card-muted{background:var(--card-2)}
.row{display:flex;gap:12px;align-items:center}
.row-spread{display:flex;gap:12px;align-items:center;justify-content:space-between}
.meta{color:var(--muted);font-size:12px}
.badge{padding:4px 8px;border-radius:999px;border:1px solid var(--border)}
.badge.ok{border-color:transparent;background:linear-gradient(0deg,#1f644d,#2fa37a);color:white}

/* Botones + inputs */
.btn{appearance:none;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:12px;padding:10px 14px;cursor:pointer}
.btn:hover{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}
.btn-primary{background:linear-gradient(180deg,#4da3ff,#2b6bd8);border-color:#2b6bd8;color:#fff}
.btn-outline{background:transparent}
.input, textarea, select{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--panel);
  color:var(--text);
}
.input:focus, textarea:focus, select:focus{outline:none;box-shadow:0 0 0 3px var(--ring);border-color:var(--brand)}
label{display:block;margin:6px 0 6px 2px;color:var(--muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Listas tipo timeline/chat */
.list{display:flex;flex-direction:column;gap:10px}
.item{display:grid;grid-template-columns:auto 1fr;gap:12px}
.item .dot{width:28px;height:28px;border-radius:999px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:12px}
.item .bubble{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:10px 12px}
.item .title{margin:0 0 4px 0}
.item .subtitle{margin:0;color:var(--muted);font-size:12px}

/* Utilidades */
.hidden{display:none}
.container{max-width:920px;margin:0 auto}

@media (max-width: 920px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:sticky;top:0;z-index:2}
}