/* ============================================================================
   FilaCero — Design System (dark premium, mobile-first)
   Tokens + primitivos compartidos por registro / app / landing.
   Solo CSS: no toca la lógica JS existente.
   ============================================================================ */

:root {
  /* --- Superficies y texto --- */
  --bg:        #0A0D18;   /* fondo base casi-negro */
  --surface:   #141A33;   /* cards */
  --surface-2: #0E1226;   /* inputs / rows hundidas */
  --surface-3: #1B2240;   /* hover / elevado */
  --line:      #262E52;   /* bordes */
  --line-soft: #1C2340;
  --ink:       #F4F6FF;   /* texto principal */
  --muted:     #97A1C9;   /* texto secundario */
  --faint:     #7C86B8;   /* texto terciario / placeholders (subido para contraste WCAG) */

  /* --- Marca y acentos --- */
  --primary:   #5B84FF;
  --primary-2: #8A63FF;
  --grad: linear-gradient(100deg, var(--primary), var(--primary-2));
  --ok:   #29E39A;
  --warn: #FFB026;
  --bad:  #FF5D6C;

  /* --- Tipografía --- */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --fs-12: 12px; --fs-14: 14px; --fs-16: 16px; --fs-20: 20px;
  --fs-25: 25px; --fs-32: 32px; --fs-40: 40px; --fs-64: 64px; --fs-80: 80px;

  /* --- Espaciado 8pt --- */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px; --s-7: 48px;

  /* --- Radios --- */
  --r-sm: 10px; --r-md: 14px; --r-lg: 18px; --r-xl: 22px; --r-pill: 999px;

  /* --- Sombras en capas (sutiles = premium) --- */
  --sh-1: 0 1px 2px rgba(0,0,0,.35);
  --sh-2: 0 8px 24px rgba(0,0,0,.35);
  --sh-3: 0 16px 44px rgba(0,0,0,.45);
  --sh-primary: 0 10px 30px rgba(91,132,255,.35);

  /* --- Movimiento --- */
  --ease: cubic-bezier(.2,.8,.2,1);
  --dur: 200ms;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}
/* Aire de fondo: sutil glow arriba, da profundidad sin ruido */
body.fc-bg::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 420px at 50% -8%, rgba(138,99,255,.14), transparent 70%),
    radial-gradient(700px 380px at 90% 0%, rgba(91,132,255,.10), transparent 70%);
}

.fc-grad-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.fc-tnum { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }

/* --- Botones --- */
.fc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  font-family: inherit; font-size: var(--fs-16); font-weight: 700; line-height: 1;
  border: 0; border-radius: var(--r-md); cursor: pointer;
  padding: 14px 18px; min-height: 48px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), opacity var(--dur) var(--ease);
  user-select: none;
}
.fc-btn:active { transform: scale(.97); }
.fc-btn:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.fc-btn--primary { background: var(--grad); color: #fff; box-shadow: var(--sh-primary); width: 100%; }
.fc-btn--ghost { background: var(--surface-2); color: var(--ink); border: 1px solid var(--line); font-weight: 600; }
.fc-btn--ghost:hover { background: var(--surface-3); }
.fc-btn--ok   { border-color: rgba(41,227,154,.4); color: var(--ok); }
.fc-btn--warn { border-color: rgba(255,176,38,.4); color: var(--warn); }
.fc-btn--bad  { border-color: rgba(255,93,108,.4); color: var(--bad); }
.fc-btn--icon { width: 44px; height: 44px; min-height: 44px; padding: 0; font-size: var(--fs-16); border-radius: var(--r-sm); }
/* Botón para superficies CLARAS (modal QR sobre fondo blanco) — buen contraste. */
.fc-btn--light { background: #F1F3FA; color: #1A2033; border: 1px solid #D3D9EA; font-weight: 700; }
.fc-btn--light:hover { background: #E5E9F5; }
.fc-btn__spin { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: fc-spin .7s linear infinite; }
@keyframes fc-spin { to { transform: rotate(360deg); } }

/* --- Inputs --- */
.fc-label { display: block; font-size: var(--fs-14); color: var(--muted); font-weight: 600; margin: var(--s-4) 0 var(--s-2); }
.fc-input, .fc-select {
  width: 100%; font-family: inherit; font-size: var(--fs-16); color: var(--ink);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 13px 15px; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.fc-input::placeholder { color: var(--faint); }
.fc-input:focus, .fc-select:focus { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(91,132,255,.28); }
.fc-input--error { border-color: var(--bad); }

/* --- Card --- */
.fc-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--s-5); box-shadow: var(--sh-2); }

/* --- Pills de estado --- */
.fc-pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: var(--r-pill); font-size: var(--fs-12); font-weight: 800; letter-spacing: .3px; }
.fc-pill--WAITING  { background: rgba(91,132,255,.16); color: #A9BEFF; }
.fc-pill--NOTIFIED { background: rgba(255,176,38,.16); color: var(--warn); }
.fc-pill--CALLED   { background: rgba(41,227,154,.16); color: var(--ok); }
.fc-pill--dot::before { content:""; width:7px; height:7px; border-radius:50%; background: currentColor; display:inline-block; }

/* --- Header + tabs pill --- */
.fc-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: var(--s-3); padding: var(--s-4) var(--s-4); background: rgba(10,13,24,.78); backdrop-filter: blur(14px) saturate(1.2); border-bottom: 1px solid var(--line-soft); }
.fc-logo { font-weight: 900; font-size: var(--fs-20); letter-spacing: -.5px; }
.fc-tabs { margin-left: auto; display: flex; gap: 4px; background: var(--surface-2); padding: 4px; border-radius: var(--r-pill); border: 1px solid var(--line); }
.fc-tab { padding: 8px 16px; border-radius: var(--r-pill); border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: var(--fs-14); font-weight: 700; font-family: inherit; transition: color var(--dur), background var(--dur); }
.fc-tab.is-active { background: var(--grad); color: #fff; }

/* --- Barra de progreso de posición --- */
.fc-progress { height: 8px; border-radius: var(--r-pill); background: var(--surface-2); overflow: hidden; }
.fc-progress__fill { height: 100%; background: var(--grad); border-radius: var(--r-pill); transition: width 400ms var(--ease); }

/* --- Skeleton shimmer --- */
.fc-skel { position: relative; overflow: hidden; background: var(--surface-2); border-radius: var(--r-sm); }
.fc-skel::after { content:""; position:absolute; inset:0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, rgba(255,255,255,.06), transparent); animation: fc-shimmer 1.3s infinite; }
@keyframes fc-shimmer { 100% { transform: translateX(100%); } }

/* --- Banner "te toca" con pulso/glow --- */
.fc-called {
  margin-top: var(--s-4); padding: var(--s-4); border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(41,227,154,.20), rgba(91,132,255,.14));
  border: 1px solid rgba(41,227,154,.45); color: var(--ok); font-weight: 800; font-size: var(--fs-20);
  animation: fc-pulse 1.5s ease-in-out infinite;
}
@keyframes fc-pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(41,227,154,.35); } 50% { box-shadow: 0 0 0 10px rgba(41,227,154,0); } }

/* --- Toasts (reemplazan alert/prompt) --- */
.fc-toasts { position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 100; display: flex; flex-direction: column; gap: var(--s-2); width: min(440px, 92vw); }
.fc-toast { display: flex; align-items: flex-start; gap: var(--s-3); background: var(--surface-3); border: 1px solid var(--line); border-left: 4px solid var(--primary); border-radius: var(--r-sm); padding: 12px 14px; box-shadow: var(--sh-3); font-size: var(--fs-14); color: var(--ink); animation: fc-toast-in var(--dur) var(--ease); }
.fc-toast--ok  { border-left-color: var(--ok); }
.fc-toast--err { border-left-color: var(--bad); }
.fc-toast--warn{ border-left-color: var(--warn); }
.fc-toast.is-out { animation: fc-toast-out var(--dur) var(--ease) forwards; }
@keyframes fc-toast-in { from { opacity: 0; transform: translateY(-10px); } }
@keyframes fc-toast-out { to { opacity: 0; transform: translateY(-10px); } }

.fc-hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}