:root {
  --color-bg: #f4f6fb;
  --color-card: #ffffff;
  --color-primary: #4f46e5;
  --color-primary-dark: #4338ca;
  --color-text: #1f2333;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-error-bg: #fef2f2;
  --color-error-text: #b91c1c;
  --color-ok-bg: #ecfdf5;
  --color-ok-text: #047857;
  --radius: 12px;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Barra superior ---------- */
.topbar {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar__brand {
  font-weight: 700;
  font-size: 1.1rem;
}

.topbar__nav a {
  color: var(--color-muted);
  text-decoration: none;
  margin-left: 20px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  font-weight: 500;
}

.topbar__nav a.active,
.topbar__nav a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- Layout general ---------- */
.container {
  flex: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px 60px;
  width: 100%;
}

.container--wide {
  max-width: 1080px;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

h1 {
  margin: 0 0 4px;
  font-size: 1.6rem;
}

.subtitle {
  color: var(--color-muted);
  margin: 0 0 24px;
}

/* ---------- Formulario ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field--full {
  grid-column: 1 / -1;
}

label {
  font-size: 0.9rem;
  font-weight: 600;
}

.req {
  color: #dc2626;
}

.label-como-fieldset {
  font-size: 0.9rem;
  font-weight: 600;
}

.radio-group {
  display: flex;
  gap: 20px;
  margin-top: 4px;
}

.radio-opcion {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 400;
  cursor: pointer;
}

.radio-opcion input[type='radio'] {
  width: auto;
  padding: 0;
  accent-color: var(--color-primary);
}

input,
select {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

button {
  cursor: pointer;
  font-family: inherit;
}

#btn-enviar {
  margin-top: 26px;
  width: 100%;
  padding: 13px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.15s ease;
}

#btn-login {
  margin-top: 10px;
  width: 100%;
  padding: 13px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.15s ease;
}

#btn-login:hover {
  background: var(--color-primary-dark);
}

#btn-login:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-card {
  max-width: 420px;
  margin: 0 auto;
}

#btn-enviar:hover {
  background: var(--color-primary-dark);
}

#btn-enviar:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.mensaje {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.mensaje--error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
}

.mensaje--ok {
  background: var(--color-ok-bg);
  color: var(--color-ok-text);
}

/* ---------- Confirmación ---------- */
.confirmacion {
  text-align: center;
}

.confirmacion__icono {
  font-size: 2.6rem;
}

.qr-imagen {
  width: 220px;
  height: 220px;
  margin: 16px auto;
  display: block;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px;
  background: #fff;
}

.datos-asistente {
  margin-bottom: 6px;
}

.datos-asistente__nombre {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
}

.datos-asistente__email {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 2px;
}

.confirmacion-transporte {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin: 14px 0 0;
}

.codigo-registro {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.codigo-registro strong {
  color: var(--color-text);
  letter-spacing: 0.5px;
}

/* ---------- Página de verificación (a donde apunta el QR) ---------- */
.verificacion__icono {
  font-size: 3rem;
  line-height: 1;
  width: 76px;
  height: 76px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.verificacion__icono--ok {
  background: var(--color-ok-bg);
  color: var(--color-ok-text);
}

.verificacion__icono--error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
}

.verificacion__detalle {
  text-align: left;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px 16px;
  margin: 18px 0;
}

.verificacion__fila {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.verificacion__fila:last-child {
  border-bottom: none;
}

.verificacion__etiqueta {
  color: var(--color-muted);
  font-weight: 600;
  white-space: nowrap;
}

.verificacion__valor {
  color: var(--color-text);
  text-align: right;
}

.btn-secundario {
  display: inline-block;
  padding: 10px 18px;
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
}

.btn-secundario:hover {
  background: #eef2ff;
}

/* ---------- Panel de asistentes ---------- */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.panel-header__acciones {
  display: flex;
  gap: 10px;
  align-items: center;
}

#buscador {
  min-width: 240px;
}

.tabla-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

th {
  color: var(--color-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tbody tr:hover {
  background: #fafafe;
}

.btn-fila {
  border: none;
  background: none;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 4px 8px;
}

.btn-fila--eliminar {
  color: #dc2626;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 600;
}

.badge--transporte {
  background: var(--color-ok-bg);
  color: var(--color-ok-text);
}

.vacio {
  text-align: center;
  color: var(--color-muted);
  padding: 30px 0;
}

/* ---------- Modal QR ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 26, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

/* Una regla de autor (como ".modal { display: flex }" de arriba) siempre
   gana sobre el comportamiento por defecto del atributo [hidden] del
   navegador, sin importar la especificidad. Sin esta regla, el modal
   quedaba SIEMPRE visible desde que cargaba la página --una capa fija
   de pantalla completa que interceptaba todos los clics-- dando la
   sensación de que el panel se "congelaba". Esta regla restaura el
   comportamiento esperado de [hidden]. */
.modal[hidden] {
  display: none;
}

.modal__contenido {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  max-width: 320px;
  width: 100%;
  position: relative;
}

.modal__cerrar {
  position: absolute;
  top: 10px;
  right: 14px;
  border: none;
  background: none;
  font-size: 1.4rem;
  color: var(--color-muted);
  line-height: 1;
}

.modal__email {
  margin: -8px 0 4px;
  font-size: 0.88rem;
  color: var(--color-muted);
}

.modal__contenido img {
  width: 200px;
  height: 200px;
  margin: 14px auto;
  display: block;
}

/* ---------- Pie ---------- */
.footer {
  text-align: center;
  padding: 20px;
  color: var(--color-muted);
  font-size: 0.82rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .card {
    padding: 22px;
  }
}

/* ---------- Reporte de transporte ---------- */
.reporte-generado {
  color: var(--color-muted);
  font-size: 0.82rem;
  margin: 4px 0 0;
}

/* Al imprimir el reporte, se ocultan la barra de navegación, los botones
   de acción y el pie de página, dejando solo el título y la tabla. */
@media print {
  .no-imprimir,
  .topbar,
  .footer {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .card {
    border: none;
    box-shadow: none;
    padding: 0;
  }

  table {
    font-size: 12px;
  }
}