:root {
  --bg-dark: #0a0a0f;
  --bg-card: #14141f;
  --accent: #e50914;
  --accent-hover: #f40612;
  --text: #ffffff;
  --text-muted: #a0a0a0;
  --green: #22c55e;
  --red: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg-dark);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

.qr-app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.5);
  position: sticky;
  top: 0;
  z-index: 40;
}

.qr-app-logo {
  height: 2.25rem;
  width: auto;
}

.qr-app-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.qr-status-pill {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.qr-status-pill--online {
  color: #86efac;
  border-color: rgba(34,197,94,0.4);
  background: rgba(34,197,94,0.12);
}

.qr-status-pill--offline {
  color: #fca5a5;
  border-color: rgba(239,68,68,0.4);
  background: rgba(239,68,68,0.12);
}

.qr-status-pill--syncing {
  color: #fde68a;
  border-color: rgba(234,179,8,0.4);
  background: rgba(234,179,8,0.12);
}

.qr-main {
  max-width: 32rem;
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
}

.qr-login-card,
.qr-panel {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1rem;
  padding: 1.25rem;
}

.qr-login-card h1 {
  font-size: 1.35rem;
  margin: 0 0 0.35rem;
}

.qr-login-hint {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.input-field {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0.5rem;
  padding: 0.7rem 0.85rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.input-field:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
}

.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 0.5rem;
  padding: 0.65rem 1rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
}

.qr-scanner-wrap {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

.qr-reader {
  width: 100%;
  min-height: 280px;
  border-radius: 0.75rem;
  overflow: hidden;
  background: #000;
}

.qr-reader video { border-radius: 0.75rem; object-fit: cover; }

.qr-scanner-hint {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.qr-sync-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding: 0.55rem 0.7rem;
  border-radius: 0.6rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}

.qr-manual summary {
  list-style: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.qr-manual summary::-webkit-details-marker { display: none; }

.qr-result {
  border-radius: 1rem;
  padding: 1.25rem;
  border: 2px solid transparent;
  animation: qrFadeIn 0.35s ease;
}

@keyframes qrFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.qr-result--ok {
  background: linear-gradient(180deg, rgba(34,197,94,0.12) 0%, var(--bg-card) 40%);
  border-color: rgba(34,197,94,0.45);
}

.qr-result--warn {
  background: linear-gradient(180deg, rgba(234,179,8,0.12) 0%, var(--bg-card) 40%);
  border-color: rgba(234,179,8,0.45);
}

.qr-result--error {
  background: linear-gradient(180deg, rgba(239,68,68,0.12) 0%, var(--bg-card) 40%);
  border-color: rgba(239,68,68,0.45);
}

.qr-result-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.qr-result-header > i { font-size: 2.5rem; flex-shrink: 0; }
.qr-result--ok .qr-result-header > i { color: var(--green); }
.qr-result--warn .qr-result-header > i { color: #eab308; }
.qr-result--error .qr-result-header > i { color: var(--red); }

.qr-result-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.qr-result-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.qr-seat-hero {
  text-align: center;
  background: rgba(0,0,0,0.35);
  border-radius: 0.875rem;
  padding: 1.25rem 1rem;
  margin-bottom: 1rem;
}

.qr-seat-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.qr-seat-fila, .qr-seat-num {
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
}

.qr-seat-fila { font-size: clamp(2rem, 10vw, 3rem); }
.qr-seat-num { font-size: clamp(2.5rem, 12vw, 3.75rem); margin-top: 0.15rem; }
.qr-seat-fila span, .qr-seat-num span { color: var(--accent); }

.qr-ubicacion-box {
  background: rgba(229,9,20,0.08);
  border: 1px solid rgba(229,9,20,0.25);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1rem;
  text-align: center;
}

.qr-ubicacion-zona {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.qr-ubicacion-bloque { font-size: 0.9375rem; color: #ddd; }
.qr-ubicacion-sector { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.25rem; }

.qr-ubicacion-hint {
  font-size: 0.8125rem;
  color: var(--accent);
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.qr-person-box {
  padding: 0.75rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 0.75rem;
}

.qr-person-name { font-size: 1.125rem; font-weight: 600; }

.qr-person-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.qr-person-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.qr-event-box {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.qr-event-title { font-weight: 600; color: #ccc; font-size: 0.9375rem; }
.qr-event-meta { margin-top: 0.25rem; text-transform: capitalize; }

.qr-btn-ingreso {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: var(--green);
  color: #fff;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
}

.qr-btn-ingreso:disabled { opacity: 0.6; cursor: not-allowed; }

.qr-btn-hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.qr-offline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  color: #fde68a;
  margin-top: 0.5rem;
}

.hidden { display: none !important; }

.toast-container {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: #1f2937;
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.toast--error { background: #7f1d1d; }