/* ===========================================================================
   Fluxo — estilos compartidos (Liquid Glass)
   =========================================================================== */
:root {
  color-scheme: dark;
  --plane:#050507; --ink:#fff; --ink-2:rgba(255,255,255,.66); --muted:rgba(255,255,255,.44);
  --grid:rgba(255,255,255,.10); --border:rgba(255,255,255,.12); --hi:rgba(255,255,255,.16);
  --surface:rgba(255,255,255,.055); --surface-2:rgba(255,255,255,.08);
  --accent:#409cff; --accent-2:#7c5cff; --accent-soft:rgba(64,156,255,.16);
  --income:#30d158; --expense:#0a84ff; --good:#30d158; --warning:#ffd426; --serious:#ff9f0a; --critical:#ff453a;
  --cat-1:#409cff; --cat-2:#ff9f0a; --cat-3:#2dd4bf; --cat-4:#bf5af2; --cat-5:#ff6482;
  --blur:blur(30px) saturate(175%);
  --card-shadow:0 10px 34px rgba(0,0,0,.42), inset 0 1px 0 var(--hi);
  --radius:22px;
}
:root[data-theme="light"]{
  color-scheme:light;
  --plane:#e7ecf5; --ink:#0b1324; --ink-2:rgba(15,25,45,.68); --muted:rgba(15,25,45,.46);
  --grid:rgba(12,22,45,.11); --border:rgba(12,22,45,.12); --hi:rgba(255,255,255,.75);
  --surface:rgba(255,255,255,.58); --surface-2:rgba(255,255,255,.5);
  --accent:#0a6fe0; --accent-2:#6b4be0; --accent-soft:rgba(10,111,224,.12);
  --income:#17a44a; --expense:#0a6fe0; --good:#17a44a; --warning:#9a7400; --serious:#cf6a2c; --critical:#d1362f;
  --cat-1:#0a6fe0; --cat-2:#d97b0a; --cat-3:#0f9e86; --cat-4:#8b3fd6; --cat-5:#e04a6a;
  --card-shadow:0 10px 30px rgba(20,30,60,.14), inset 0 1px 0 var(--hi);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;position:relative;overflow-x:hidden;background:var(--plane);color:var(--ink);
  font-family:-apple-system,system-ui,"SF Pro Display","Segoe UI",Roboto,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:-20% -10% -10% -10%;z-index:-2;
  background:
    radial-gradient(38% 44% at 12% 8%, rgba(94,92,255,.55), transparent 62%),
    radial-gradient(40% 40% at 88% 6%, rgba(255,64,132,.42), transparent 60%),
    radial-gradient(45% 50% at 82% 88%, rgba(20,196,232,.48), transparent 62%),
    radial-gradient(42% 46% at 8% 92%, rgba(150,74,246,.45), transparent 62%);
  filter:saturate(130%);animation:drift 26s ease-in-out infinite alternate}
:root[data-theme="light"] body::before{background:
    radial-gradient(38% 44% at 12% 8%, rgba(120,130,255,.55), transparent 62%),
    radial-gradient(40% 40% at 88% 6%, rgba(255,120,170,.42), transparent 60%),
    radial-gradient(45% 50% at 82% 88%, rgba(90,200,235,.5), transparent 62%),
    radial-gradient(42% 46% at 8% 92%, rgba(170,130,250,.45), transparent 62%)}
@keyframes drift{from{transform:translateY(0) scale(1)}to{transform:translateY(-3%) scale(1.07)}}
@media (prefers-reduced-motion:reduce){*,body::before{animation:none!important}}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:10px}

.glass{background:var(--surface);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--card-shadow)}

/* ---- layout ---- */
.wrap{max-width:1180px;margin:0 auto;padding:18px clamp(14px,3vw,30px) 60px}
.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:22px;padding:10px 12px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.logo{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(150deg,var(--accent),var(--accent-2));box-shadow:0 6px 18px rgba(64,92,255,.5),inset 0 1px 0 rgba(255,255,255,.4)}
.logo svg{width:22px;height:22px}
.brand h1{font-size:18px;margin:0;letter-spacing:-.02em;font-weight:700}
.navlinks{display:flex;gap:4px;flex-wrap:wrap}
.navlinks a{color:var(--ink-2);font-weight:600;font-size:14px;padding:8px 13px;border-radius:11px}
.navlinks a:hover{background:var(--surface-2);text-decoration:none}
.navlinks a.active{color:var(--ink);background:var(--surface-2)}

/* ---- controls ---- */
.btn{appearance:none;font:inherit;font-size:14px;font-weight:650;color:#fff;border:none;cursor:pointer;
  background:var(--accent);border-radius:12px;padding:11px 16px;box-shadow:0 6px 16px rgba(10,132,255,.4);
  display:inline-flex;align-items:center;gap:8px;justify-content:center}
.btn:hover{filter:brightness(1.06)}
.btn:disabled{opacity:.5;cursor:default;box-shadow:none}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--border);box-shadow:inset 0 1px 0 var(--hi)}
.btn.danger{background:var(--critical);box-shadow:none}
.btn.sm{padding:8px 12px;font-size:13px;border-radius:10px}
.btn svg{width:16px;height:16px}
.iconbtn{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;cursor:pointer;
  background:var(--surface);border:1px solid var(--border);box-shadow:inset 0 1px 0 var(--hi);color:var(--ink)}
.iconbtn svg{width:18px;height:18px}

label{display:block;font-size:12.5px;font-weight:650;color:var(--ink-2);margin:0 0 6px}
input,select,textarea{width:100%;font:inherit;font-size:15px;color:var(--ink);background:var(--surface-2);
  border:1px solid var(--border);border-radius:12px;padding:12px 13px;outline:none}
input::placeholder{color:var(--muted)}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
select{color-scheme:dark}
:root[data-theme="light"] select{color-scheme:light}
/* opciones del desplegable: fondo sólido (evita el blanco de Windows) */
select option,select optgroup{background:#16181d;color:#fff}
:root[data-theme="light"] select option,:root[data-theme="light"] select optgroup{background:#fff;color:#0b1324}
.field{margin-bottom:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

.card{padding:18px}
.card h2{margin:0 0 2px;font-size:15px;font-weight:650;letter-spacing:-.01em}
.card .sub{margin:0 0 14px;font-size:12.5px;color:var(--muted)}
.section-title{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:4px 0 10px}

/* ---- auth screens ---- */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth .box{width:100%;max-width:400px;padding:26px}
.auth .logo{margin:0 auto 14px}
.auth h1{font-size:22px;text-align:center;margin:0 0 4px;letter-spacing:-.02em}
.auth .sub{text-align:center;color:var(--muted);font-size:13.5px;margin:0 0 22px}
.auth .alt{text-align:center;font-size:13.5px;color:var(--ink-2);margin-top:16px}
.msg{font-size:13.5px;padding:11px 13px;border-radius:12px;margin-bottom:14px;display:none}
.msg.show{display:block}
.msg.err{background:color-mix(in oklab,var(--critical) 20%,transparent);color:var(--critical)}
.msg.ok{background:color-mix(in oklab,var(--good) 20%,transparent);color:var(--good)}

/* ---- misc ---- */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:999px;
  border:1px solid var(--border);color:var(--ink-2);background:var(--surface-2);white-space:nowrap}
.pill .d{width:7px;height:7px;border-radius:50%;box-shadow:0 0 7px currentColor}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:0 10px 10px;border-bottom:1px solid var(--grid)}
.tbl td{padding:11px 10px;border-bottom:1px solid var(--grid)}
.tbl tr:last-child td{border-bottom:none}
.tbl-scroll{overflow-x:auto}
.tabnum{font-variant-numeric:tabular-nums}
.center{text-align:center}
.muted{color:var(--muted)}
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite;margin:40px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-main{display:grid;grid-template-columns:1.32fr 1fr;gap:14px;margin-bottom:14px}
.stack{display:flex;flex-direction:column;gap:14px}
@media (max-width:820px){.grid2,.grid-main,.row2{grid-template-columns:1fr}}