:root{--navy:#0b1f3a;--navy-2:#13294b;--red:#e7000b;--bg:#f5f6f8;--card:#fff;--text:#1f2937;--muted:#6b7280;--border:#e5e7eb;--ok:#15803d;--warn:#b45309}
@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#111a2e;--text:#e5e7eb;--muted:#9ca3af;--border:#1f2a44}}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}
a{color:inherit}
header{background:var(--navy);color:#fff}
header .wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:12px 16px}
.brand{font-weight:800;letter-spacing:.3px;text-decoration:none;font-size:18px}
.brand span{color:var(--red)}
.powered-by{background:#fff;border-radius:6px;padding:3px 8px;display:inline-flex;align-items:center;line-height:0}
.powered-by img{height:16px;display:block}
nav{display:flex;gap:4px;flex-wrap:wrap;flex:1}
nav a{text-decoration:none;padding:6px 8px;border-radius:6px;color:#dbe3f0;font-size:14px}
nav a.on,nav a:hover{background:var(--navy-2);color:#fff}
.wrap{max-width:1100px;margin:0 auto;padding:20px 16px}
h1{font-size:22px;margin:0 0 16px}
h2{font-size:17px;margin:24px 0 10px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:16px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.stat b{display:block;font-size:26px}
.stat small{color:var(--muted)}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:8px;border-bottom:1px solid var(--border);vertical-align:top;font-size:14px}
th{color:var(--muted);font-weight:600}
.table-scroll{overflow-x:auto}
label{display:block;font-weight:600;font-size:14px;margin:10px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],textarea,select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font:inherit;background:var(--card);color:var(--text)}
textarea{min-height:120px}
.row{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
button,.btn{display:inline-block;background:var(--navy);color:#fff;border:0;border-radius:6px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
button.red,.btn.red{background:var(--red)}
button.ghost,.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.inline{display:inline}
.flash{background:#fff7e6;border:1px solid #f5d08a;color:#6b4a00;padding:10px 14px;border-radius:8px;margin-bottom:16px}
.error{background:#fdecec;border:1px solid #f5b5b5;color:#8a1111;padding:10px 14px;border-radius:8px;margin-bottom:12px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:var(--border)}
.b-pendiente{background:#fef3c7;color:#92400e}.b-programado{background:#dbeafe;color:#1e40af}.b-enviado{background:#dcfce7;color:#166534}.b-error{background:#fee2e2;color:#991b1b}.b-auto{background:#ede9fe;color:#5b21b6}
.muted{color:var(--muted);font-size:13px}
pre.mail{white-space:pre-wrap;font-family:inherit;background:var(--bg);padding:12px;border-radius:8px;margin:0;max-height:420px;overflow:auto}
.login{max-width:380px;margin:60px auto}
.checks{display:flex;gap:12px;flex-wrap:wrap}
.checks label{font-weight:400;display:flex;gap:6px;align-items:center;margin:0}
.key{font-family:ui-monospace,Menlo,monospace;background:var(--bg);padding:8px;border-radius:6px;word-break:break-all}
@media (max-width:700px){header .wrap{gap:8px}nav{order:3;flex-basis:100%;flex-wrap:nowrap;overflow-x:auto}nav a{white-space:nowrap}header form{margin-left:auto}}
.i-alta{background:#dcfce7;color:#166534}.i-media{background:#fef3c7;color:#92400e}.i-baja{background:var(--border)}.b-oportunidad{background:#dcfce7;color:#166534}
body.admin header{background:#111827}
.admin-tag{font-size:11px;font-weight:700;background:var(--red);color:#fff;border-radius:4px;padding:1px 6px;vertical-align:middle;letter-spacing:.5px;text-transform:uppercase}
.impersonating{background:#7c2d12;color:#fff;padding:8px 16px;text-align:center;font-size:14px}
.impersonating button{background:#fff;color:#7c2d12;padding:4px 10px;margin-left:8px}
.btn.ghost.back-link{color:#fff;border-color:rgba(255,255,255,.4)}