:root{
  --bg:#0b0d10; --bg2:#141821; --bg3:#1c2230;
  --border:#2a3142; --border2:#3a4358;
  --text:#e6e8ec; --muted:#8a95a8; --dim:#5a6478;
  --accent:#ff9d5c; --accent2:#ffb380;
  --blue:#6eb8ff; --green:#7ed99a; --red:#ff7b7b; --yellow:#ffd580;
  --shadow:0 4px 16px rgba(0,0,0,.3);
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  background:radial-gradient(ellipse at top,#161c2a 0%,var(--bg) 60%);
  color:var(--text); min-height:100vh; font-size:14px; line-height:1.5;
}
a{color:var(--blue);text-decoration:none;transition:.15s}
a:hover{color:var(--accent2)}
code,pre{font-family:"SF Mono",Menlo,Monaco,Consolas,monospace;font-size:12px}

/* Header */
header{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 28px;background:rgba(20,24,33,.8);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;
}
header h1{
  margin:0;font-size:17px;font-weight:600;letter-spacing:-.3px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
header h1::before{content:"◆ ";color:var(--accent);-webkit-text-fill-color:var(--accent)}
header nav{display:flex;gap:6px}
header nav a{
  padding:6px 12px;border-radius:6px;font-size:13px;font-weight:500;
  color:var(--muted);transition:.15s;
}
header nav a:hover{background:var(--bg3);color:var(--text)}

/* Layout */
main,.card{max-width:1200px;margin:0 auto}
.card{
  background:var(--bg2);margin:20px;padding:22px;border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.card h2{
  margin:0 0 18px;font-size:13px;font-weight:600;text-transform:uppercase;
  letter-spacing:.8px;color:var(--muted);display:flex;align-items:center;gap:8px;
}
.card h2::before{
  content:"";width:3px;height:14px;background:var(--accent);border-radius:2px;
}
.card h2 small{
  text-transform:none;letter-spacing:0;font-weight:400;color:var(--dim);
  font-size:11px;margin-left:auto;
}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.row label{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}

/* Inputs */
input,select,textarea{
  background:var(--bg);color:var(--text);border:1px solid var(--border);
  padding:8px 12px;border-radius:6px;font:inherit;transition:.15s;outline:none;
}
input:focus,select:focus,textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,157,92,.15);
}
input::placeholder,textarea::placeholder{color:var(--dim)}
textarea{resize:vertical;font-family:"SF Mono",Menlo,monospace;font-size:13px;width:100%}
select{cursor:pointer;padding-right:28px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M3 5l3 3 3-3' stroke='%238a95a8' stroke-width='1.5' fill='none'/></svg>");
  background-repeat:no-repeat;background-position:right 8px center;appearance:none;
}

/* Buttons */
button{
  background:linear-gradient(180deg,#3a4358,#2c3445);color:var(--text);
  border:1px solid var(--border2);padding:8px 14px;border-radius:6px;
  font:inherit;font-weight:500;cursor:pointer;transition:.15s;
  display:inline-flex;align-items:center;gap:6px;
}
button:hover{background:linear-gradient(180deg,#4a5468,#3a4358);border-color:var(--accent);transform:translateY(-1px)}
button:active{transform:translateY(0)}
button.primary{
  background:linear-gradient(180deg,var(--accent),#e88347);border-color:#e88347;color:#fff;
}
button.primary:hover{background:linear-gradient(180deg,var(--accent2),var(--accent));border-color:var(--accent2)}
button.danger{background:linear-gradient(180deg,#6b2a2a,#4a1e1e);border-color:#7a3333}
button.danger:hover{background:linear-gradient(180deg,#8a3838,#6b2a2a);border-color:var(--red)}
button.ghost{background:transparent;border-color:var(--border)}
button.ghost:hover{background:var(--bg3)}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:13px}
table th{
  text-align:left;padding:10px 12px;color:var(--muted);font-weight:500;
  font-size:11px;text-transform:uppercase;letter-spacing:.6px;
  border-bottom:1px solid var(--border);background:var(--bg3);
}
table th:first-child{border-top-left-radius:6px}
table th:last-child{border-top-right-radius:6px}
table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}
table tr:last-child td{border-bottom:none}
table tr:hover td{background:rgba(255,255,255,.02)}
table code{background:var(--bg);padding:2px 6px;border-radius:4px;color:var(--accent2);border:1px solid var(--border)}
table button{padding:4px 10px;font-size:12px;margin-right:4px}

/* Status badges */
.badge{
  display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;
  font-weight:500;text-transform:uppercase;letter-spacing:.4px;
}
.badge.ok{background:rgba(126,217,154,.15);color:var(--green);border:1px solid rgba(126,217,154,.3)}
.badge.off{background:rgba(255,123,123,.15);color:var(--red);border:1px solid rgba(255,123,123,.3)}
.badge.info{background:rgba(110,184,255,.15);color:var(--blue);border:1px solid rgba(110,184,255,.3)}

.err{color:var(--red)}
.mono{font-family:"SF Mono",Menlo,monospace}

/* Login */
.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.center .card{min-width:340px;max-width:400px;margin:0}
.center h2{justify-content:center;font-size:16px}
.center h2::before{display:none}
.center input{display:block;width:100%;margin:10px 0;padding:12px 14px;font-size:14px}
.center button{width:100%;padding:12px;font-size:14px;justify-content:center}
.logo{text-align:center;margin-bottom:20px;font-size:40px;color:var(--accent)}

/* Chat output */
pre.output{
  background:var(--bg);border:1px solid var(--border);padding:16px;
  border-radius:8px;white-space:pre-wrap;word-break:break-word;
  max-height:60vh;overflow:auto;margin-top:12px;line-height:1.6;
  font-size:13px;color:var(--text);
}
pre.output:empty::before{content:"La respuesta aparecerá aquí…";color:var(--dim);font-style:italic}

/* Scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* Responsive */
@media (max-width:720px){
  header{padding:12px 16px}
  .card{margin:12px;padding:16px}
  table{font-size:12px}
  table th,table td{padding:8px}
}