:root{
  --bg:#0e1218; --bg2:#151b24; --card:#171e29; --line:#26303d;
  --txt:#e6edf3; --mut:#8b98a9;
  --acc:#3b82f6; --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444; --void:#64748b;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.5 system-ui,"Segoe UI",Roboto,sans-serif}
a{color:#7fb2ff;text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25}
.muted{color:var(--mut)} .small{font-size:12.5px} .mono{font-family:Consolas,Menlo,monospace;font-size:13px}
.strong{font-weight:600;color:var(--txt)}
.center{text-align:center}
.right{text-align:right}

/* header */
.top{background:var(--bg2);border-bottom:1px solid var(--line)}
.top-inner{max-width:1280px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.brand{font-weight:700;font-size:17px;color:var(--txt)}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-left:auto}
.nav a{padding:7px 12px;border-radius:8px;color:var(--txt)}
.nav a:hover{background:#202a39;text-decoration:none}
.nav a.on{background:var(--acc);color:#fff}
.who{color:var(--mut);margin:0 8px}
.inline-form{display:inline}

.wrap{max-width:1280px;margin:22px auto;padding:0 18px}

/* alerts */
.alert{padding:10px 14px;border-radius:10px;margin:10px 0;border:1px solid}
.alert-ok{background:rgba(34,197,94,.12);border-color:#14532d;color:#86efac}
.alert-err{background:rgba(239,68,68,.12);border-color:#7f1d1d;color:#fca5a5}
.alert-warn{background:rgba(245,158,11,.12);border-color:#78350f;color:#fcd34d}

/* stats */
.stats{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 18px;min-width:120px}
.stat b{font-size:26px;display:block}
.stat span{color:var(--mut);font-size:12.5px;text-transform:uppercase;letter-spacing:.4px}
.stat.warn b{color:var(--warn)} .stat.bad b{color:var(--bad)}
.stat-actions{margin-left:auto;align-self:center}

/* toolbar */
.toolbar{display:flex;gap:10px;align-items:center;margin:16px 0;flex-wrap:wrap}
.search{display:flex;gap:6px;flex:1;min-width:240px}
.search input{flex:1}
.search input,.toolbar .btn,.stat-actions .btn{width:auto}

/* tables */
.tbl{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tbl th{background:var(--bg2);text-align:left;padding:10px 12px;font-size:12.5px;text-transform:uppercase;letter-spacing:.5px;color:var(--mut);border-bottom:1px solid var(--line)}
.tbl td{padding:10px 12px;border-bottom:1px solid #1d2632;vertical-align:top}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:#1a2230}
.empty{text-align:center;color:var(--mut);padding:26px}
.kv{border:none}
.kv th{text-transform:none;color:var(--mut);font-weight:500;width:170px;background:transparent;border-bottom:1px solid #1d2632}
.kv td{border-bottom:1px solid #1d2632}
.kv tr:last-child th,.kv tr:last-child td{border-bottom:none}

/* chips / badges */
.chip{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12.5px;background:#1f2937;color:#cbd5e1;white-space:nowrap;border:1px solid #2a3646}
.chip-ok{background:rgba(34,197,94,.15);color:#4ade80;border-color:#166534}
.chip-warn{background:rgba(245,158,11,.15);color:#fbbf24;border-color:#92400e}
.chip-bad{background:rgba(239,68,68,.15);color:#f87171;border-color:#7f1d1d}
.chip-void{background:transparent;color:var(--mut);border-color:#334155;border-style:dashed}
.dot-on{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);margin-right:6px;box-shadow:0 0 6px var(--ok)}
.actions .btn{margin:1px 0}

/* buttons */
.btn{display:inline-block;border:1px solid var(--line);background:#1f2937;color:var(--txt);padding:8px 14px;border-radius:9px;cursor:pointer;font-size:14px}
.btn:hover{background:#27344a;text-decoration:none}
.btn-primary{background:var(--acc);border-color:var(--acc);color:#fff}
.btn-primary:hover{background:#2f6fe0}
.btn-danger{background:rgba(239,68,68,.15);border-color:#7f1d1d;color:#f87171}
.btn-danger:hover{background:rgba(239,68,68,.3)}
.btn-ghost{background:transparent}
.btn-block{display:block;width:100%}
.btn-sm{padding:4px 10px;font-size:13px;border-radius:7px}
button.btn{font-family:inherit}

/* forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:14px 0}
/* forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:16px 0;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.card h2{margin:0 0 16px;font-size:19px}
fieldset.card{border:1px solid var(--line);margin:18px 0}
fieldset.card legend{background:var(--bg2);border:1px solid var(--line);padding:4px 14px;border-radius:999px;font-size:13.5px;font-weight:600;margin-bottom:6px}
fieldset.card>div,fieldset.card>p:first-of-type{margin-top:4px}
.card legend,fieldset.card legend{background:var(--bg2);border:1px solid var(--line);padding:4px 14px;border-radius:999px;font-size:13.5px;font-weight:600}
label{display:block;margin:0 0 14px;font-size:13px;font-weight:500;color:var(--mut)}
/* formularios alineados: etiqueta sobre el campo, campo al ancho de su columna */
label input,label select,label textarea,textarea,input[type=text],input[type=password],input[type=email],input[type=number],input[type=date],input[type=search],select{
  width:100%;margin-top:6px;padding:10px 12px;border-radius:9px;border:1px solid var(--line);
  background:#101722;color:var(--txt);font-size:14px;font-family:inherit;max-width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc)}
textarea{resize:vertical}
.checkline{display:flex;align-items:center;gap:8px;margin-top:14px}
.checkline input{width:auto;margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 18px}
.grid2-inline{display:grid;grid-template-columns:1fr 120px;gap:0 14px;align-items:end}
@media(max-width:900px){.grid2,.grid3{grid-template-columns:1fr}}
.field-note{margin:-8px 0 16px;color:var(--mut);font-size:12.5px}
.form{max-width:760px;margin-left:auto;margin-right:auto}
fieldset.card.settings-sect{max-width:760px;margin-left:auto;margin-right:auto;margin-top:16px}
.form-card{max-width:780px;margin-left:auto;margin-right:auto}
.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}
.form-actions .btn{min-width:0}
.row-actions{display:flex;gap:8px;margin:8px 0;flex-wrap:wrap}
.search{display:flex;gap:6px;flex:1;min-width:240px}
.search input{flex:1;min-width:140px}
.search select{min-width:150px;padding:8px 10px;border-radius:9px;border:1px solid var(--line);background:#101722;color:var(--txt);font-size:13.5px}

/* gestor de planes */
.plan-list{display:flex;flex-direction:column;gap:8px;margin:10px 0}
.plan-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;width:fit-content;max-width:100%;padding:10px 12px;background:#101722;border:1px solid var(--line);border-radius:10px}
.plan-update{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.plan-update input,.plan-update select{width:auto;margin:0}
.plan-update input[type=text]{min-width:180px}
.plan-update input[type=number]{width:88px;min-width:88px}
.plan-update select{min-width:110px}
.plan-update .btn{min-width:0;white-space:nowrap}
.plan-add{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}
.plan-add input[type=text]{width:auto;min-width:200px}
.plan-add input[type=number]{width:100px;min-width:100px}
.plan-add .btn{margin:0}
.renew-plan{width:auto;min-width:110px;max-width:160px}

/* conf pre */
.conf{background:#0b0f15;border:1px solid var(--line);border-radius:10px;padding:14px;overflow:auto;white-space:pre;font-size:12.5px;line-height:1.55}
#qr-box{display:inline-block;background:#fff;padding:12px;border-radius:10px;margin:6px 0}
#qr-box img,#qr-box canvas,#qr-box svg{display:block;max-width:100%;height:auto}
.two-cols{display:grid;grid-template-columns:1.2fr .8fr;gap:0 20px}
@media(max-width:1000px){.two-cols{grid-template-columns:1fr}}

/* login / install */
.login-body{display:flex;align-items:flex-start;justify-content:center;min-height:100vh;padding:4vh 16px;background:radial-gradient(1200px 500px at 20% -10%,#16233b 0%,var(--bg) 55%)}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 30px;width:380px}
.login-card.wide{width:720px}
.login-logo{font-size:38px;text-align:center}
.login-card h1{text-align:center;font-size:21px;margin:6px 0 2px}
.login-card p{text-align:center;margin-top:0}
fieldset{border:none;margin:0;padding:0}
fieldset.card legend{margin-bottom:4px}
legend{font-weight:600}

/* Gestor: barra lateral de secciones */
.gestor-layout{display:flex;gap:20px;align-items:flex-start}
.sidebar{flex:0 0 216px;position:sticky;top:12px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px}
.sidebar-head{font-weight:700;font-size:14.5px;color:var(--txt);padding:4px 8px 10px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.sidebar-link{display:flex;align-items:center;gap:9px;padding:10px 10px;border-radius:9px;color:var(--mut);font-size:14px;text-decoration:none;margin-bottom:3px}
.sidebar-link:hover{background:#1f2937;color:var(--txt);text-decoration:none}
.sidebar-link.on{background:#1f2937;color:#fff;box-shadow:inset 3px 0 0 #3b82f6}
.gestor-content{flex:1;min-width:0}
@media(max-width:860px){.gestor-layout{flex-direction:column}.sidebar{position:static;width:100%;flex:1 1 auto}}