@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,600..800&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root{
  --bg:#F3F4F1; --surface:#FFFFFF; --sunk:#E9EBE6; --ink:#1A1D3A; --muted:#5D6573; --line:#D8DBD3;
  --accent:#5B3FC4; --accent-ink:#FFFFFF; --good:#1F7A4D; --warn:#A85A00; --bad:#B3261E;
  --card:#1A1D3A; --card-ink:#F3F4F1;
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#12161E; --surface:#1A202B; --sunk:#232A37; --ink:#E9ECF2; --muted:#9AA3B2; --line:#2E3646;
  --accent:#A994FF; --accent-ink:#0E1220; --good:#5CC991; --warn:#F0A64A; --bad:#FF8A80;
  --card:#0A0D13; --card-ink:#E9ECF2; color-scheme:dark}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.5;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
  padding-block:max(20px,env(safe-area-inset-top,0px)) max(40px,env(safe-area-inset-bottom,0px))}
img{max-width:100%}
[hidden]{display:none!important}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(24px,4vw,34px);font-weight:800}
h2{font-size:20px;font-weight:700}
h3{font-size:16px;font-weight:700}
p{margin:0}
.label{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:600}
.hint{font-size:13px;color:var(--muted)}
.mono{font-family:var(--mono)}
.num{font-variant-numeric:tabular-nums}
.stack{display:flex;flex-direction:column;gap:12px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:14px;min-width:0}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:end}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.field{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}
.field label{font-size:12px;color:var(--muted);font-weight:500}
input,select{font:inherit;font-size:16px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;width:100%;min-width:0}
input[type=color]{padding:2px;height:44px;cursor:pointer}
input[type=checkbox]{width:auto}
input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{font:inherit;font-weight:600;border-radius:8px;padding:10px 14px;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
button:disabled{opacity:.45;cursor:not-allowed}
button.small{padding:6px 10px;font-size:13px}
.check{display:flex;gap:8px;align-items:center;font-weight:500;cursor:pointer}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;border:1px solid currentColor}
.pill.profesional{color:var(--warn)} .pill.particular{color:var(--accent)}
.error{color:var(--bad);font-weight:500}
.ok{color:var(--good);font-weight:600}

.brand{display:flex;gap:12px;align-items:center}
.brand img{width:52px;height:auto}

/* Tarjeta */
.nfc-card{background:var(--card);color:var(--card-ink);border-radius:16px;padding:18px 18px 0;aspect-ratio:1.586;width:100%;max-width:420px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.nfc-card .top{display:flex;justify-content:space-between;align-items:start;gap:10px}
.nfc-card .logo{width:46px;height:46px;object-fit:cover;object-position:top;border-radius:50%;background:#fff}
.nfc-card .shop{font-family:var(--display);font-weight:800;font-size:20px;line-height:1.05}
.nfc-card .club{font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.7}
.nfc-card .holder{font-family:var(--mono);font-size:13px;opacity:.9;display:flex;justify-content:space-between;gap:10px}
.nfc-card .stripe{display:flex;height:22px;margin:12px -18px 0}
.nfc-card .stripe i{flex:1}

.big{font-family:var(--display);font-size:52px;font-weight:800;line-height:1}
.big small{font-size:16px;font-weight:600;color:var(--muted);margin-left:6px}
.bar{height:10px;background:var(--sunk);border-radius:99px;overflow:hidden}
.bar span{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .4s ease}

.colors{display:flex;flex-direction:column;gap:10px}
.color{display:grid;grid-template-columns:54px minmax(0,1fr);gap:12px;border:1px solid var(--line);border-radius:12px;padding:10px;align-items:start;background:var(--surface)}
.swatch{width:54px;height:64px;border-radius:6px;border:1px solid var(--line)}
.color .meta{font-size:13px;color:var(--muted)}
.formula{font-family:var(--mono);font-size:13px;background:var(--sunk);border-radius:6px;padding:8px 10px;margin-top:8px;overflow-wrap:anywhere}
.color button{margin-top:8px}

.hist{display:flex;flex-direction:column}
.hist div{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.hist div:last-child{border-bottom:0}
.hist .plus{color:var(--good);font-weight:600;font-family:var(--mono)}
.hist .minus{color:var(--warn);font-weight:600;font-family:var(--mono)}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:500;max-width:calc(100% - 32px);box-shadow:0 8px 24px rgba(0,0,0,.2);z-index:20}

@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}