/* Base común (página pública y panel) */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--black);
  color: var(--cream);
  font: 16px/1.5 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--gold); }
h1, h2, h3, p { margin: 0; }
[hidden] { display: none !important; }

/* grano de película */
.grano {
  position: fixed; inset: -50%; z-index: 0; pointer-events: none; opacity: .07;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grano 1.2s steps(6) infinite;
}
@keyframes grano {
  0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, 1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); }
}

/* botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 20px; border-radius: 10px; border: 1px solid transparent;
  font: 600 15px/1 var(--f-label); letter-spacing: .12em; text-transform: uppercase;
  cursor: pointer; text-decoration: none; transition: transform .15s ease, background .2s ease, border-color .2s ease, opacity .2s;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-rojo { background: var(--dark-red); color: var(--cream); box-shadow: 0 0 0 1px var(--red-soft), 0 10px 30px -10px var(--red-glow); }
.btn-rojo:hover:not(:disabled) { background: var(--red-hi); }
.btn-ghost { background: transparent; border-color: var(--line-2); color: var(--cream); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-oro { background: var(--gold); color: var(--black); }
.btn-ok { background: #1f4a2c; color: #d7f5df; border-color: #2e6b40; }
.btn-peligro { background: #4a1414; color: #ffd6d6; border-color: #7a2020; }
.btn-sm { min-height: 36px; padding: 8px 12px; font-size: 13px; }
.btn-full { width: 100%; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* campos */
.campo { display: grid; gap: 6px; }
.campo > span:not(.ayuda):not(.msg-error) { font: 500 13px/1.2 var(--f-label); letter-spacing: .14em; text-transform: uppercase; color: var(--text-2); }
.input {
  width: 100%; min-height: 50px; padding: 12px 14px; border-radius: 10px;
  background: rgba(0, 0, 0, .45); border: 1px solid var(--line-2);
  color: var(--cream); font-size: 16px; transition: border-color .2s, box-shadow .2s;
}
.input::placeholder { color: var(--text-3); }
.input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft); }
.campo.error .input { border-color: var(--bad); }
.campo .ayuda { font-size: 13px; color: var(--text-3); }
.campo .msg-error { font-size: 13px; color: var(--bad); }

/* spinner */
.spinner { width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--line-2); border-top-color: var(--dark-red); animation: gira .8s linear infinite; }
.spinner.mini { width: 18px; height: 18px; }
@keyframes gira { to { transform: rotate(360deg); } }
.cargando-pantalla { min-height: 70dvh; display: grid; place-content: center; justify-items: center; gap: 14px; font: 500 14px var(--f-label); letter-spacing: .2em; text-transform: uppercase; color: var(--text-2); }

/* avisos */
.toasts { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 100; display: grid; gap: 8px; width: min(92vw, 420px); }
.toast { padding: 12px 16px; border-radius: 10px; background: #1a0d0f; border: 1px solid var(--line-2); box-shadow: 0 12px 30px rgba(0,0,0,.5); font-size: 14px; transition: opacity .4s, transform .4s; }
.toast-ok { border-color: #2e6b40; }
.toast-error { border-color: var(--bad); color: #ffd6d6; }
.toast.fuera { opacity: 0; transform: translateY(8px); }

.dlg { max-width: min(92vw, 420px); width: 100%; background: var(--panel); color: var(--cream); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 20px; }
.dlg::backdrop { background: rgba(0,0,0,.7); backdrop-filter: blur(2px); }
.dlg h3 { font: 600 18px var(--f-label); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.dlg p { color: var(--text-2); margin-bottom: 14px; }
.dlg-campo { width: 100%; background: var(--black); border: 1px solid var(--line-2); border-radius: 8px; padding: 10px; margin-bottom: 14px; }
.dlg-botones { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }

.demo-banda { position: relative; z-index: 5; background: repeating-linear-gradient(-45deg, #3a2a08 0 14px, #2a1e06 14px 28px); color: #ffe6a8; text-align: center; font: 600 12px/1.4 var(--f-label); letter-spacing: .12em; text-transform: uppercase; padding: 8px 16px; }
.noscript { padding: 40px 16px; text-align: center; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}