/* ===========================
   Variables principales
   =========================== */
:root {
    --color-bg: #f8f9fa;            /* Fondo general */
    --color-card-bg: #ffffff99;     /* Fondo del card */
    --color-card-bg-modal: #ffffff; /* Fondo del card */
    --color-primary: #0d6efd;       /* Azul principal */
    --color-secondary: #6c757d;     /* Gris secundario */
    --color-danger: #dc3545;        /* Rojo para errores */
    --color-success: #198754;       /* Verde para éxito */
    --color-border: #dee2e6;        /* Bordes */
    --font-family: "Segoe UI", Arial, sans-serif;
    --radius: 8px;                  /* Radio de bordes */
    --shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* ===========================
   Reset básico
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    background-image: url(../..//images/fondoLogin.png);
    background-size: cover;         /* Escala la imagen para cubrir toda la ventana */
    background-position: center;    /* Centra la imagen */
    background-repeat: no-repeat;   /* Evita que se repita */
    font-family: var(--font-family);
    color: #212529;
    line-height: 1.5;
}

/* ===========================
   Contenedor principal
   =========================== */
.container {
    max-width: 400px;
    margin: 5% auto;
    padding: 1rem;
}

/* ===========================
   Card de login
   =========================== */
.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: black;
    margin-bottom: 1rem;
    text-align: center;
}

/* ===========================
   Formularios
   =========================== */
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 1rem;
    text-align: center;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
    text-align: center;
}

/* ===========================
   Botones
   =========================== */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background-color: #0087b8;
    color: #fff;
}

.btn-primary:hover {
    background-color: #006b92;
}

.btn-secondary {
    background-color: #d50000;
    color: #fff;
}

.btn-secondary:hover {
    background-color: #b70000;
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-secondary);
    text-decoration: none;
    padding: 0;
}

.btn-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ===========================
   Alertas
   =========================== */
.alert {
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
}

.alert-warning {
    background-color: #fff3cd;
    color: #664d03;
    border: 1px solid #ffecb5;
}

.alert-info {
    background-color: #cff4fc;
    color: #055160;
    border: 1px solid #b6effb;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
}

/* ===========================
   Modales
   =========================== */

/* Estado base del modal */
.modals {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
  z-index: 1050;
  opacity: 0;
  transition: opacity 0.3s ease; /* animación de fade */
}

/* Cuando está activo */
.modals.active {
  display: flex;
  opacity: 1;
}

/* Animación del cuadro del modal */
.modals-dialog {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  max-width: 500px;
  width: 100%;
  transform: translateY(-30px); /* posición inicial */
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Cuando el modal está activo, animar entrada */
.modals.active .modals-dialog {
  transform: translateY(0);
  opacity: 1;
}

/* Header, body, footer */
.modals-header,
.modals-footer {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border, #ddd);
}

.modals-footer {
  border-top: 1px solid var(--color-border, #ddd);
  border-bottom: none;
}

.modals-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #000;
  text-align: center;
}

.modals-body {
  padding: 1rem;
}

/* Botón de cierre */
.btn-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
}

/* ===========================
   Texto auxiliar
   =========================== */
.form-text {
    font-size: 0.8rem;
    color: var(--color-secondary);
}

/* Barra de progreso */
.progress {
    width: 100%;
    height: 8px;
    background-color: #ddd;
    border-radius: 4px;
    margin-top: 5px;
}

.progress-bar {
    height: 100%;
    width: 0%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-bar.weak {
    background-color: #e74c3c;
}
.progress-bar.medium {
    background-color: #f39c12;
}
.progress-bar.strong {
    background-color: #27ae60;
}

.logo-container {
    position: fixed;   /* se mantiene fijo en la ventana */
    left: 20px;        /* separación desde el borde izquierdo */
    bottom: 20px;      /* separación desde el borde inferior */
    z-index: 1000;     /* asegura que quede por encima de otros elementos */
}

.logo {
    width: 200px;
    opacity: 1;
    pointer-events: none; /* evita que interfiera con clics */
}