:root{
  --bg:#0f0b14;
  --panel:#14151a;
  --panel2:#1a1c22;
  --text:#f4eefb;
  --muted:rgba(244,238,251,.72);

  /* 🎨 Accent base */
  --accent:#8b68b0;

  /* RGB del accent (números) — el JS los actualiza */
  --accent-r:139;
  --accent-g:104;
  --accent-b:176;

  /* Intensidades (DARK) */
  --tint-a:.08;     /* tinta general */
  --soft-a:.18;     /* fondos suaves */
  --hover-a:.12;
  --border-a:.55;
  --ring-a:.35;
  --shadow-a:.25;

  /* Derivados (se calculan con RGB + alphas) */
  --bg-tint: rgba(var(--accent-r), var(--accent-g), var(--accent-b), var(--tint-a));
  --accent-soft: rgba(var(--accent-r), var(--accent-g), var(--accent-b), var(--soft-a));
  --accent-hover: rgba(var(--accent-r), var(--accent-g), var(--accent-b), var(--hover-a));
  --accent-border: rgba(var(--accent-r), var(--accent-g), var(--accent-b), var(--border-a));
  --ring: rgba(var(--accent-r), var(--accent-g), var(--accent-b), var(--ring-a));
  --accent-shadow: rgba(var(--accent-r), var(--accent-g), var(--accent-b), var(--shadow-a));

  /* Deep (el JS lo calcula, fallback acá) */
  --accent-deep: rgb(64,47,85);
  --accent-deep-soft: rgba(64,47,85,.55);

  --shadow:0 10px 24px rgba(0,0,0,.35);
  --radius:18px;

    /* tint para “pintar” fondos con el accent elegido */
  --panel-tint: rgba(139,104,176,.10);
  --panel-tint-2: rgba(139,104,176,.06);
  --stroke-tint: rgba(139,104,176,.28);
}

[data-theme="light"]{
  --bg:#fbf8ff;
  --panel:#ffffff;
  --panel2:#f3ecff;
  --text:#1c1027;
  --muted:rgba(28,16,39,.65);
  --shadow:0 10px 24px rgba(48,17,85,.10);

  /* Intensidades (LIGHT) → más suave para que no se “ensucie” */
  --tint-a:.08;
  --soft-a:.16;
  --hover-a:.10;
  --border-a:.45;
  --ring-a:.20;
  --shadow-a:.18;
}

*{box-sizing:border-box}
html{ background: var(--bg); } /* evita cortes raros */

body{
  min-height: 100vh;
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;

  background:
    /* 1) tinte parejo en TODA la pantalla */
    linear-gradient(0deg, var(--bg-tint), var(--bg-tint)),

    /* 2) halos */
    radial-gradient(1200px 600px at 20% 0%,  var(--bg-tint), transparent 60%),
    radial-gradient(900px  500px at 90% 10%, var(--bg-tint), transparent 55%),

    /* 3) halo ABAJO (esto mata la franja) */
    radial-gradient(1200px 700px at 50% 100%, var(--bg-tint), transparent 60%),

    /* 4) base */
    var(--bg);

  color:var(--text);
  background-attachment: fixed; /* opcional: se ve más estable */
}

.app{max-width:1040px;margin:0 auto;padding:18px}

/* HEADER */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px;
  background: radial-gradient(900px 260px at 15% 10%, var(--bg-tint), transparent 60%),
              linear-gradient(135deg, var(--accent-soft), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.topbar::after{ display:none; }

.brand{display:flex;gap:12px;align-items:center}
.logo{
  width:46px;height:46px;display:grid;place-items:center;
  background:var(--accent-soft);
  border:1px solid rgba(255,255,255,.10);
  border-radius:14px;
}
h1{margin:0;font-size:20px;line-height:1.1}
.sub{margin:4px 0 0;font-size:12px;color:var(--muted)}
.top-actions{display:flex;gap:10px;align-items:center}

/* BOTONES */
.btn{
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color:#fff;
  border-radius:12px;
  padding:9px 11px;
  cursor:pointer;
}
.btn.ghost{background:rgba(255,255,255,.06);color:var(--text)}
.btn.small{padding:8px 10px;border-radius:10px;font-size:12px}
.btn:hover{box-shadow:0 0 0 4px var(--ring)}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* CHIPS */
.chips{
  margin-top:14px;
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;
}
.chip{
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.06);
  color:var(--text);
  border-radius:999px;
  padding:8px 12px;
  cursor:pointer;
  display:flex;gap:8px;align-items:center;
  transition:transform .04s ease, border-color .12s ease, background .12s ease;
}
.chip:hover{border-color:var(--accent-border);background:var(--accent-hover)}
.chip:active{transform:scale(.99)}
.chip.active{
  background: linear-gradient(135deg, var(--accent-soft), rgba(255,255,255,.06));
  border-color:var(--accent-border);
  font-weight:700;
}
.lock{opacity:.85}

/* PRO pill */
.pro-pill{
  margin-left:auto;
  display:flex;align-items:center;gap:8px;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.05);
  color:var(--muted);
  font-size:12px;
}
.dot{
  width:10px;height:10px;border-radius:999px;
  background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), .85);
  box-shadow: 0 0 0 4px rgba(var(--accent-r), var(--accent-g), var(--accent-b), .18);
}

/* views */
.views{margin-top:14px}
.view{display:none}
.view.active{display:block}

/* cards */
.card{
  background:
    radial-gradient(900px 260px at 15% 10%, var(--panel-tint), transparent 60%),
    linear-gradient(180deg, var(--panel), var(--panel2));
  border:1px solid var(--stroke-tint);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:12px;
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute; inset:-60px;
  background: radial-gradient(700px 260px at 15% 20%, var(--bg-tint), transparent 60%);
  pointer-events:none;
}
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;position:relative}
.card-head h2{margin:0;font-size:16px}
.muted{color:var(--muted);font-size:12px;margin:4px 0 0}
.mini-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;position:relative}

/* calculator */
.display{
  margin-top:12px;
  padding:12px;
  border-radius:16px;
  background:rgba(0,0,0,.15);
  border:1px solid rgba(255,255,255,.08);
  position:relative;
}
.expr{min-height:18px;color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.value{margin-top:6px;font-size:30px;font-weight:700;text-align:right;word-break:break-all}

.keypad{
  margin-top:12px;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:10px;
  position:relative;
}
.key{
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.06);
  color:var(--text);
  border-radius:14px;
  padding:12px 10px;
  font-size:16px;
  cursor:pointer;
  transition:transform .04s ease, border-color .12s ease, background .12s ease;
}
.key:hover{border-color:var(--accent-border);background:var(--accent-hover)}
.key:active{transform:scale(.985)}
.key.op{ background:var(--accent-soft); }
.key.eq{
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  border-color:rgba(255,255,255,.16);
  font-weight:800;
}
.key.wide{grid-column:span 2}

/* history */
.history{margin-top:14px;position:relative}
.history h3{margin:0 0 8px;font-size:13px;color:var(--muted)}
.history-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;max-height:220px;overflow:auto}
.history-item{
  padding:10px;border-radius:14px;border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.05);
  display:flex;justify-content:space-between;gap:10px;
}
.history-item button{
  border:none;background:var(--accent-soft);
  color:var(--text);border-radius:10px;padding:8px 10px;cursor:pointer;
}

/* PRO lock */
.pro-lock{
  padding:16px;border-radius:var(--radius);
  border:1px solid var(--accent-border);
  background:var(--accent-soft);
  box-shadow:var(--shadow);
}
.pro-lock h2{margin:0 0 6px}
.pro-lock p{margin:0 0 12px;color:var(--muted)}

/* panels */
.panel{
  margin-top:12px;border-radius:16px;border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(700px 220px at 12% 20%, var(--panel-tint-2), transparent 60%),
    rgba(255,255,255,.04);
  border:1px solid var(--stroke-tint);
}
.panel-sum{
  list-style:none;padding:12px 12px;cursor:pointer;font-weight:700;
  display:flex;align-items:center;gap:8px;
}
.panel-sum::-webkit-details-marker{display:none}
.panel[open] .panel-sum{
  background:var(--accent-soft);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.panel-body{padding:10px}

.fields{display:grid;grid-template-columns:repeat(3, 1fr);gap:10px}
.fields.two{grid-template-columns:repeat(2, 1fr)}
@media (max-width: 720px){
  .fields{grid-template-columns:1fr}
  .fields.two{grid-template-columns:1fr}
  .pro-pill{margin-left:0}
}

.field span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.field input, .field select{
  width:100%;padding:10px 10px;border-radius:14px;
   background:
    linear-gradient(180deg, var(--panel-tint-2), rgba(0,0,0,.12));
  border:1px solid rgba(255,255,255,.10);
  color:var(--text);
  outline:none;
}
.field input:focus, .field select:focus{
  box-shadow:0 0 0 4px var(--ring);
  border-color:var(--accent-border);
}
.row-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:10px}
.hint{margin:10px 0 0;font-size:12px;color:var(--muted)}

/* Age */
.age-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width: 980px){ .age-grid{grid-template-columns:1fr} }
.age-card{
  padding:10px;border-radius:16px;border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.10);
}
.age-card h3{margin:0 0 10px;font-size:14px}
.toggle{margin-top:10px;display:flex;justify-content:space-between;align-items:center;gap:10px;color:var(--muted);font-size:12px}
.toggle-btns{display:flex;gap:8px}
.result-box{
  margin-top:10px;padding:10px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.05);
}
.result-title{font-size:12px;color:var(--muted)}
.result-value{margin-top:4px;font-size:18px;font-weight:800}

/* mini inputs */
.mini-input{
  width:64px;padding:6px 8px;border-radius:10px;border:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.18);color:var(--text);margin:0 4px;
}
.mini-input:focus{
  box-shadow:0 0 0 3px var(--ring);
  border-color:var(--accent-border);
}

/* select oscuro */
.field select{background: rgba(0,0,0,.18);color: var(--text)}
.field select option{background: #120b1a;color: #f4eefb}

/* footer */
.footer{display:flex;justify-content:space-between;margin-top:14px;color:var(--muted);font-size:12px}

/* mobile */
@media (max-width: 520px){
  .app{padding:12px}
  h1{font-size:18px}
  .sub{font-size:11px}
  .keypad{gap:8px}
  .key{padding:11px 8px; border-radius:12px}
  .value{font-size:28px}
  .panel-body{padding:10px}
  .age-card{padding:10px}
  .row-actions{justify-content:stretch}
  .row-actions .btn{flex:1}
  .pro-pill{width:100%; justify-content:center}
}