/* Demo «Entrar con Tripleenable» — sin dependencias, tema claro/oscuro
   automático por prefers-color-scheme. */

:root {
  --bg: #f5f6fa;
  --bg-glow: rgba(99, 102, 241, .16);
  --panel: #ffffff;
  --panel-2: #f1f3f9;
  --text: #10131a;
  --muted: #5c6577;
  --line: #e3e7ef;
  --line-strong: #d2d8e4;
  --accent: #4f46e5;
  --accent-ink: #ffffff;
  --accent-soft: rgba(79, 70, 229, .1);
  --ok: #047857;
  --ok-soft: rgba(4, 120, 87, .1);
  --warn: #b45309;
  --warn-soft: rgba(180, 83, 9, .1);
  --err: #be123c;
  --err-soft: rgba(190, 18, 60, .1);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(16, 19, 26, .04), 0 8px 24px -12px rgba(16, 19, 26, .18);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0c11;
    --bg-glow: rgba(124, 124, 249, .18);
    --panel: #14171f;
    --panel-2: #1b1f2a;
    --text: #e8ecf5;
    --muted: #98a1b5;
    --line: #242938;
    --line-strong: #333a4d;
    --accent: #8b8bfb;
    --accent-ink: #0a0c11;
    --accent-soft: rgba(139, 139, 251, .14);
    --ok: #34d399;
    --ok-soft: rgba(52, 211, 153, .12);
    --warn: #fbbf24;
    --warn-soft: rgba(251, 191, 36, .12);
    --err: #fb7185;
    --err-soft: rgba(251, 113, 133, .12);
    --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 16px 40px -20px rgba(0, 0, 0, .9);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(60rem 30rem at 78% -12%, var(--bg-glow), transparent 65%),
    var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

code, .mono { font-family: var(--mono); font-size: .92em; }

/* --- barra superior ------------------------------------------------------ */

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand .mark { width: 26px; height: 26px; color: var(--accent); }
.brand-name { font-weight: 650; letter-spacing: -.02em; font-size: 1.05rem; }

.tag {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  font-weight: 650;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
}

.instance { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.field { display: flex; align-items: center; gap: 8px; }
.field > span { font-size: .78rem; color: var(--muted); }
.field input {
  font: inherit;
  font-size: .84rem;
  font-family: var(--mono);
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  width: 15rem;
  max-width: 42vw;
}
.field-sm input { width: 7rem; }
.field input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* --- píldoras de estado --------------------------------------------------- */

.pill {
  font-size: .76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.pill-idle { color: var(--muted); background: var(--panel-2); border-color: var(--line); }
.pill-ok { color: var(--ok); background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.pill-wait { color: var(--warn); background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.pill-err { color: var(--err); background: var(--err-soft); border-color: color-mix(in srgb, var(--err) 30%, transparent); }

/* --- portada -------------------------------------------------------------- */

main { padding: clamp(24px, 5vw, 56px) clamp(16px, 4vw, 40px) 56px; max-width: 1180px; margin: 0 auto; }

.hero { max-width: 62ch; margin-bottom: clamp(24px, 4vw, 40px); }
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.9rem, 4.4vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -.035em;
  font-weight: 700;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent), color-mix(in srgb, var(--accent) 40%, #06b6d4));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { margin: 0; color: var(--muted); font-size: 1.02rem; }

/* --- tarjetas ------------------------------------------------------------- */

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: start;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.card[data-state="done"] { border-color: color-mix(in srgb, var(--ok) 42%, var(--line)); }
.card[data-state="error"] { border-color: color-mix(in srgb, var(--err) 42%, var(--line)); }

.card-head { display: flex; gap: 12px; align-items: flex-start; }
.card-icon {
  flex: 0 0 auto;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
}
.card-icon svg { width: 20px; height: 20px; }
.card h2 { margin: 0; font-size: 1.02rem; font-weight: 650; letter-spacing: -.015em; }
.card-head p { margin: 2px 0 0; color: var(--muted); font-size: .87rem; }

/* --- botones -------------------------------------------------------------- */

.btn {
  font: inherit;
  font-weight: 600;
  font-size: .92rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 10px 16px;
  cursor: pointer;
  transition: transform .08s ease, filter .15s ease, background .15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #06b6d4));
  color: var(--accent-ink);
  width: 100%;
}
.btn-primary:hover:not([disabled]) { filter: brightness(1.07); }

.btn-ghost {
  background: var(--panel-2);
  color: var(--text);
  border-color: var(--line);
  font-size: .84rem;
  padding: 8px 12px;
}
.btn-ghost:hover:not([disabled]) { border-color: var(--line-strong); }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-row .btn { flex: 1 1 auto; }

/* --- panel de QR ---------------------------------------------------------- */

.scan { display: flex; flex-direction: column; gap: 12px; align-items: center; }

.qr {
  background: #fff;
  border-radius: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  width: 190px; height: 190px;
  display: grid; place-items: center;
}
.qr svg { width: 100%; height: 100%; display: block; }

.req-id {
  font-family: var(--mono);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-align: center;
  word-break: break-all;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  border: 1px dashed var(--line-strong);
  width: 100%;
}
.deeplink {
  font-family: var(--mono);
  font-size: .78rem;
  text-align: center;
  word-break: break-all;
}

.status-row { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }

.spinner {
  width: 13px; height: 13px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 3s; } }

/* --- resultado ------------------------------------------------------------ */

.result { display: flex; flex-direction: column; gap: 10px; }

.kv { display: grid; grid-template-columns: minmax(5.5rem, auto) 1fr; gap: 6px 12px; font-size: .84rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); overflow-wrap: anywhere; }

.result .status-row { justify-content: flex-start; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: .75rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--ok-soft);
  color: var(--ok);
  border: 1px solid color-mix(in srgb, var(--ok) 28%, transparent);
}

.receipt {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  padding: 12px;
}
.receipt h3 {
  margin: 0 0 8px;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--muted);
  font-weight: 650;
}

details {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  font-size: .82rem;
}
details summary { cursor: pointer; color: var(--muted); font-weight: 600; }
details summary:hover { color: var(--text); }
details pre {
  margin: 10px 0 0;
  padding: 12px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .76rem;
  line-height: 1.5;
  max-height: 22rem;
}

.error-box {
  color: var(--err);
  background: var(--err-soft);
  border: 1px solid color-mix(in srgb, var(--err) 30%, transparent);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: .86rem;
}

.hint { color: var(--muted); font-size: .8rem; text-align: center; margin: 0; }

/* --- pie ------------------------------------------------------------------ */

footer {
  border-top: 1px solid var(--line);
  padding: 18px clamp(16px, 4vw, 40px) 34px;
  color: var(--muted);
  font-size: .8rem;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
footer .dot { opacity: .5; }

@media (max-width: 560px) {
  .topbar { align-items: stretch; }
  .instance { width: 100%; }
  .field input { width: 100%; max-width: none; }
  .field { flex: 1 1 12rem; }
}