:root{
  --sky:#29ABE2; --sky-d:#1B8BBF; --navy:#0F2A47; --navy-2:#16385c;
  --bg:#f4f7fb; --card:#ffffff; --line:#e3e9f2; --text:#1f2d3d; --muted:#6b7c93;
  --ok:#1a9e5b; --warn:#e0a400; --danger:#d6483b; --info:#2f7fd1;
  --radius:14px; --shadow:0 6px 24px rgba(15,42,71,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px}
a{color:var(--sky-d);text-decoration:none}
.hidden{display:none!important}

/* ---- Login / centrado ---- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,var(--sky-d) 100%);padding:20px}
.auth-card{background:var(--card);width:100%;max-width:400px;border-radius:20px;
  box-shadow:0 20px 60px rgba(0,0,0,.3);padding:38px 34px}
.brand{display:flex;flex-direction:column;align-items:center;margin-bottom:22px}
.brand .logo{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--sky),var(--sky-d));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;font-weight:800;box-shadow:var(--shadow)}
.brand h1{font-size:20px;margin:14px 0 2px;color:var(--navy)}
.brand p{margin:0;color:var(--muted);font-size:13px}

/* ---- Layout panel ---- */
.layout{display:flex;min-height:100vh}
.sidebar{width:236px;background:var(--navy);color:#cdd8e6;display:flex;flex-direction:column;flex-shrink:0}
.sidebar .top{padding:20px 18px;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar .top .logo{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--sky),var(--sky-d));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.sidebar .top b{color:#fff;font-size:15px;line-height:1.1}
.sidebar .top span{font-size:11px;color:#8ea6c2}
.nav{padding:12px 10px;flex:1}
.nav button{width:100%;text-align:left;background:none;border:0;color:#cdd8e6;padding:11px 14px;border-radius:10px;
  cursor:pointer;font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:2px}
.nav button:hover{background:rgba(255,255,255,.07);color:#fff}
.nav button.active{background:var(--sky);color:#fff;font-weight:600}
.sidebar .foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);font-size:12px}
.sidebar .foot .who{color:#fff;font-weight:600}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;
  justify-content:space-between;padding:0 22px}
.topbar h2{margin:0;font-size:18px;color:var(--navy)}
.content{padding:22px;overflow:auto}

/* ---- Componentes ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:18px}
.grid{display:grid;gap:14px}
.stats{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .n{font-size:30px;font-weight:800;color:var(--navy);line-height:1}
.stat .l{font-size:12px;color:var(--muted);margin-top:6px;text-transform:uppercase;letter-spacing:.4px}

label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px;font-weight:600}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;
  font-family:inherit;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 3px rgba(41,171,226,.15)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}

.btn{background:var(--sky);color:#fff;border:0;padding:11px 18px;border-radius:10px;font-size:14px;font-weight:600;
  cursor:pointer;transition:.15s}
.btn:hover{background:var(--sky-d)}
.btn.block{width:100%}
.btn.ghost{background:#eef3f9;color:var(--navy)}
.btn.ghost:hover{background:#e0e9f3}
.btn.danger{background:var(--danger)}
.btn.sm{padding:7px 12px;font-size:13px}

table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px;
  padding:10px 12px;border-bottom:2px solid var(--line)}
td{padding:11px 12px;border-bottom:1px solid var(--line)}
tr:hover td{background:#fafcff}

.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.b-gray{background:#eef1f5;color:#5a6b80}
.b-blue{background:#e3f1fb;color:#1b6ea8}
.b-yellow{background:#fdf3d9;color:#a37b06}
.b-green{background:#dcf3e6;color:#137a45}
.b-red{background:#fbe0dd;color:#b23327}

.msg{padding:10px 14px;border-radius:10px;font-size:14px;margin-bottom:12px}
.msg.err{background:#fbe0dd;color:#b23327}
.msg.ok{background:#dcf3e6;color:#137a45}

.modal-bg{position:fixed;inset:0;background:rgba(15,42,71,.55);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal{background:#fff;border-radius:18px;max-width:560px;width:100%;max-height:90vh;overflow:auto;padding:24px}
.modal h3{margin:0 0 4px;color:var(--navy)}
.modal .actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}

.linkbox{background:#eef3f9;border:1px dashed var(--sky);border-radius:10px;padding:12px;font-size:13px;
  word-break:break-all;color:var(--navy);margin-top:8px}
.muted{color:var(--muted);font-size:13px}
.flex{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
@media(max-width:760px){
  .sidebar{width:64px}.sidebar .top b,.sidebar .top span,.nav button span,.sidebar .foot{display:none}
  .row,.row-3{grid-template-columns:1fr}
}