/* =====================================================================
   EFC Platform V2 · Estilo base de la aplicación
   Limpio, legible, adaptado a móviles, sin dependencias.
   ===================================================================== */

:root {
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #cbd5e1;
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --error-bg: #fef2f2;
  --error-text: #b91c1c;
  --error-border: #fecaca;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-stack);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.container {
  width: 100%;
  max-width: 520px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.lead {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.field {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 0.375rem;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: #ffffff;
  color: var(--text-main);
}

input[readonly] {
  background-color: #f1f5f9;
  color: var(--text-muted);
  cursor: default;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.btn {
  display: inline-block;
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: #ffffff;
  background-color: var(--primary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.15s ease;
}

.btn:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: #e2e8f0;
  color: var(--text-main);
  margin-top: 1rem;
}

.btn-secondary:hover {
  background-color: #cbd5e1;
}

.note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
  text-align: center;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

.alert.error {
  background-color: var(--error-bg);
  color: var(--error-text);
  border: 1px solid var(--error-border);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Pantalla del latido */
.estado {
  font-size: 1.125rem;
  font-weight: 600;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.estado-verde {
  background-color: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.estado-rojo {
  background-color: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.tabla-latido {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  font-size: 0.9375rem;
}

.tabla-latido th,
.tabla-latido td {
  padding: 0.625rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.tabla-latido th {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.tabla-latido .text-right {
  text-align: right;
}

.tabla-latido .row-fail {
  color: var(--error-text);
}

.nota-ilegibles {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}