/* SenseChat - Panel de administración */
:root{
  --bg:#f4f6f8; --surface:#ffffff; --ink:#1c2b33; --muted:#64757e;
  --brand:#0aa5b1; --brand-dark:#087d86; --line:#e4e9ec;
  --ok:#1a9d5a; --warn:#c98a1a; --err:#d23b3b; --info:#2b73c9;
  --radius:12px; --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
h1,h2,h3{margin:0 0 .5rem}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:#0f1e24;color:#cdd8dc;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:.5rem;padding:1.1rem 1.25rem;font-size:1.15rem;color:#fff;border-bottom:1px solid rgba(255,255,255,.06)}
.brand strong{color:var(--brand)}
.brand-dot{width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(10,165,177,.2)}
.nav{flex:1;padding:.5rem;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:.7rem;padding:.6rem .8rem;border-radius:8px;color:#cdd8dc;font-weight:500}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.is-active{background:var(--brand);color:#fff}
.nav-icon{width:20px;text-align:center}
.sidebar-foot{padding:1rem 1.25rem;color:#6d818a;border-top:1px solid rgba(255,255,255,.06)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:var(--surface);border-bottom:1px solid var(--line)}
.topbar h1{font-size:1.25rem;margin:0}
.topbar-right{display:flex;align-items:center;gap:.75rem}
.user-chip{color:var(--muted)}
.content{padding:1.5rem;max-width:1100px;width:100%}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem .9rem;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font-size:.9rem;font-weight:600}
.btn:hover{border-color:#cfd8dd}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn-danger{background:var(--err);border-color:var(--err);color:#fff}
.btn-sm{padding:.35rem .6rem;font-size:.8rem}
.btn-block{width:100%;justify-content:center}

/* Tarjetas */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem;margin-bottom:1.25rem}
.card h2{font-size:1rem;margin-bottom:1rem}
.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* Stat tiles */
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;box-shadow:var(--shadow)}
.stat .num{font-size:1.7rem;font-weight:700}
.stat .lbl{color:var(--muted);font-size:.82rem}
.stat.brand{border-left:3px solid var(--brand)}
.stat.ok{border-left:3px solid var(--ok)}
.stat.info{border-left:3px solid var(--info)}
.stat.warn{border-left:3px solid var(--warn)}

/* Formularios */
.form{display:flex;flex-direction:column;gap:1rem}
.field{display:flex;flex-direction:column;gap:.35rem}
.field span{font-weight:600;font-size:.85rem;color:var(--muted)}
.field input,.field select,.field textarea{padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(10,165,177,.15)}
.field textarea{min-height:120px;resize:vertical;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem}
.field-row{display:flex;gap:1rem;flex-wrap:wrap}
.field-row .field{flex:1;min-width:180px}
.check{display:flex;align-items:center;gap:.5rem}
.hint{color:var(--muted);font-size:.8rem}

/* Tablas */
.table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.table th,.table td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--line);font-size:.88rem}
.table th{background:#fafbfc;color:var(--muted);font-weight:600;text-transform:uppercase;font-size:.72rem;letter-spacing:.03em}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:#fafcfd}

/* Badges */
.badge{display:inline-block;padding:.15rem .5rem;border-radius:20px;font-size:.72rem;font-weight:700}
.badge-ok{background:#e3f6ec;color:var(--ok)}
.badge-err{background:#fbe6e6;color:var(--err)}
.badge-warn{background:#fbf1e0;color:var(--warn)}
.badge-info{background:#e5eefb;color:var(--info)}
.badge-muted{background:#eef1f3;color:var(--muted)}

/* Flash */
.flash{margin:1rem 1.5rem 0;padding:.8rem 1rem;border-radius:8px;font-weight:600}
.flash-success{background:#e3f6ec;color:var(--ok)}
.flash-error{background:#fbe6e6;color:var(--err)}
.flash-warning{background:#fbf1e0;color:var(--warn)}

/* Auth */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f1e24,#0aa5b1)}
.auth-card{background:#fff;padding:2rem;border-radius:16px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.brand-lg{padding:0;font-size:1.4rem;color:var(--ink);border:none}
.auth-sub{color:var(--muted);margin:.2rem 0 1.5rem}

/* Chat log (conversación) */
.chat-log{display:flex;flex-direction:column;gap:.6rem}
.bubble{max-width:75%;padding:.6rem .85rem;border-radius:12px;font-size:.9rem}
.bubble.user{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px}
.bubble.assistant{align-self:flex-start;background:#eef1f3;color:var(--ink);border-bottom-left-radius:4px}
.bubble .meta{display:block;font-size:.68rem;opacity:.7;margin-top:.3rem}

.toolbar{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}
.tabs{display:flex;gap:.4rem;flex-wrap:wrap}
.tab{padding:.4rem .8rem;border-radius:20px;background:#fff;border:1px solid var(--line);font-size:.85rem;font-weight:600;color:var(--muted)}
.tab.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}
.pager{display:flex;gap:.4rem;justify-content:center;margin-top:1rem}
.right{text-align:right}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem}

@media (max-width:820px){
  .sidebar{width:64px}
  .sidebar .brand span:not(.brand-dot),.nav-item span:not(.nav-icon),.sidebar-foot{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
}