:root{
  --bg:#f4f5f8; --card:#ffffff; --ink:#1b2333; --muted:#6b7385; --line:#e4e7ee;
  --navy:#16213b; --navy2:#1f2e52; --gold:#c9a24b; --gold-soft:#f6efdc;
  --green:#1e7145; --green-soft:#e3f3ea; --red:#c0392b; --red-soft:#fbe8e5; --amber:#b9770e; --amber-soft:#fdf1da; --blue:#2b4c7e;
  --radius:14px; --shadow:0 1px 2px rgba(20,30,60,.05),0 6px 18px rgba(20,30,60,.06);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0e1424; --card:#161e33; --ink:#e8ebf3; --muted:#8e97ad; --line:#26304a;
    --gold-soft:#2c2616; --green-soft:#12301f; --red-soft:#3a1c19; --amber-soft:#33260c; --shadow:0 1px 2px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"]{
  --bg:#0e1424; --card:#161e33; --ink:#e8ebf3; --muted:#8e97ad; --line:#26304a;
  --gold-soft:#2c2616; --green-soft:#12301f; --red-soft:#3a1c19; --amber-soft:#33260c; --shadow:0 1px 2px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Inter,"Segoe UI",system-ui,-apple-system,Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.45;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;letter-spacing:-.01em}
button,input,select,textarea{font:inherit;color:inherit}
.hidden{display:none!important}

/* ---------- login ---------- */
.auth{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(1200px 500px at 50% -10%,var(--navy2),var(--navy))}
.auth-card{width:100%;max-width:400px;background:var(--card);border-radius:20px;padding:34px 30px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.auth-card .logo{width:46px;height:46px;border-radius:12px;background:var(--navy);display:grid;place-items:center;margin-bottom:16px}
.auth-card h1{font-size:22px;margin-bottom:4px}
.auth-card p{color:var(--muted);margin:0 0 20px}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.auth input,.field input,.field select{width:100%}
input,select,textarea{background:var(--card);border:1px solid var(--line);border-radius:9px;padding:9px 11px;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,75,.22)}
.err{color:var(--red);font-size:13px;min-height:18px;margin:6px 0 0}

/* ---------- botones ---------- */
.btn{border:0;border-radius:10px;padding:9px 15px;font-weight:600;cursor:pointer;background:var(--navy);color:#fff;transition:transform .05s,opacity .15s}
.btn:hover{opacity:.9}.btn:active{transform:translateY(1px)}
.btn.gold{background:var(--gold);color:#241c05}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.sm{padding:6px 11px;font-size:13px}
.btn.danger{background:var(--red)}
.btn.block{width:100%;padding:11px}
.x{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:16px;padding:4px 8px;border-radius:7px}
.x:hover{background:var(--red-soft);color:var(--red)}

/* ---------- layout app ---------- */
.shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.grid>*{min-width:0}
.main{min-width:0}
.side{background:var(--navy);color:#cfd6e8;padding:20px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;padding:4px 10px 18px}
.brand i{width:34px;height:34px;border-radius:10px;background:var(--gold);color:#241c05;display:grid;place-items:center;font-style:normal;font-weight:800}
.nav{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:#cfd6e8;text-decoration:none;font-weight:500;cursor:pointer}
.nav:hover{background:rgba(255,255,255,.07)}
.nav.active{background:rgba(201,162,75,.18);color:#fff;box-shadow:inset 3px 0 0 var(--gold)}
.nav svg{width:19px;height:19px;flex:none;opacity:.9}
.side .grow{flex:1}
.save{font-size:12px;color:#9aa6c4;padding:8px 12px}
.save b{color:#7fe0a8}
.save.dirty b{color:var(--gold)}
.save.bad b{color:#ff8a7a}
.main{padding:26px 30px 60px;max-width:1280px;width:100%;min-width:0}
.topbar{display:none}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.page-head h2{font-size:24px}
.page-head p{margin:2px 0 0;color:var(--muted)}

/* ---------- tarjetas / grids ---------- */
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{font-size:15px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.kpi .label{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.kpi .value{font-size:clamp(16px,2.3vw,27px);font-weight:750;margin-top:6px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi .sub{font-size:12.5px;color:var(--muted);margin-top:3px}
.kpi.hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border:0}
.kpi.hero .label,.kpi.hero .sub{color:#aeb9d6}
.green{color:var(--green)}.red{color:var(--red)}.gold{color:var(--gold)}.amber{color:var(--amber)}
.kpi.hero .green{color:#7fe0a8}.kpi.hero .red{color:#ff9e90}.kpi.hero .gold{color:#f0cf7f}
.section{margin:26px 0 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.section h3{font-size:16px}

/* ---------- tablas ---------- */
.tw{overflow-x:auto;margin:0 -4px}
table{width:100%;border-collapse:collapse;min-width:520px}
th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:8px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:5px 4px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td input,td select{width:100%;min-width:80px;padding:7px 8px;border-color:transparent;background:transparent}
td input:hover,td select:hover{border-color:var(--line)}
td input:focus,td select:focus{background:var(--card)}
td input.n,th.n,td.n{text-align:right;font-variant-numeric:tabular-nums}
tfoot td{font-weight:700;border-top:2px solid var(--line);padding:9px 8px}
.empty{color:var(--muted);text-align:center;padding:18px}
.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600}
.pill.ok{background:var(--green-soft);color:var(--green)}
.pill.warn{background:var(--amber-soft);color:var(--amber)}
.pill.bad{background:var(--red-soft);color:var(--red)}
.pill.gold{background:var(--gold-soft);color:var(--amber)}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:8px}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),#e3c777);border-radius:99px}
.row{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line)}
.row:last-child{border-bottom:0}
.row.total{font-weight:700;border-top:2px solid var(--line);border-bottom:0;margin-top:4px;padding-top:10px}
.list{display:flex;flex-direction:column;gap:9px}
.item{display:flex;gap:11px;align-items:flex-start;padding:10px 12px;border-radius:11px;background:var(--bg)}
.item .dot{width:9px;height:9px;border-radius:50%;margin-top:6px;flex:none}
.item small{color:var(--muted);display:block}
.chart-box{position:relative;height:260px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.money{position:relative;display:inline-block;width:100%}
.hint{font-size:12.5px;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:11px 18px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.3);z-index:50;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}
.banner{background:var(--amber-soft);color:var(--amber);border:1px solid var(--gold);padding:10px 14px;border-radius:11px;margin-bottom:16px;font-weight:600}

/* ---------- móvil ---------- */
@media (max-width:1150px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr 1fr}}
@media (max-width:820px){
  .shell{display:block}
  .topbar{display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:#fff;padding:12px 16px;position:sticky;top:0;z-index:20}
  .topbar button{background:transparent;border:0;color:#fff;font-size:24px;cursor:pointer}
  .side{position:fixed;left:0;top:0;bottom:0;width:270px;z-index:30;transform:translateX(-100%);transition:transform .22s}
  .side.open{transform:none;box-shadow:0 0 60px rgba(0,0,0,.5)}
  .main{padding:18px 16px 60px}
  .g4,.g3,.g2{grid-template-columns:1fr}
  .g4.keep2{grid-template-columns:1fr 1fr}
  .card{padding:15px}
}
@media print{
  .side,.topbar,.no-print,.toast{display:none!important}
  body{background:#fff;color:#000}.card{box-shadow:none;break-inside:avoid}
  .shell{display:block}.main{padding:0}
}