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

html,
body {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('../img/fondo.jpg') no-repeat center center fixed;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Animación de entrada elegante */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Contenedor del formulario */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* Estilos del formulario */
.login-form {
    background: rgba(0, 0, 0, 0.7);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 510px;
    text-align: center;
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
    transform: translateY(50px);
    transition:
        transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        filter 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.login-form:hover {
    transform: scale(1.07);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
    filter: brightness(1.05);
}


/* Título */
h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
    background: linear-gradient(to right, #ffffff, #cccccc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    padding: 15px 0;
    position: relative;
}

h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 2px;
    background: linear-gradient(to right, #ffffff, #000000);
    margin: 12px auto 0;
    border-radius: 2px;
    opacity: 0.5;
}

/* Línea */
hr {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, #ccc, transparent);
    margin: 25px 0;
}

/* Grupo de inputs */
.input-group {
    margin-bottom: 18px;
    text-align: left;
}

.input-group label {
    display: block;
    font-size: 13px;
    color: #ff4d4d;
    margin-bottom: 6px;
}

.input-group input {
    width: 100%;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.input-group input:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.input-group input:focus {
    border-color: #66aaff;
    background-color: rgba(255, 255, 255, 0.2);
    outline: none;
}

/* Texto en inputs tipo Bootstrap */
.input-group .form-control {
    background-color: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.input-group .form-control:focus {
    border-color: #66aaff;
    outline: none;
}

/* Label general */
.login-form label {
    color: #fff;
}

/* Icono de ver contraseña */
.input-group-text {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    cursor: pointer;
    padding: 10px;
    transition: background-color 0.3s ease;
}

.input-group-text:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Media query para móviles */
@media (max-width: 768px) {
    .login-form {
        max-width: 90%;
        padding: 30px;
    }
}
 /* Loader personalizado */
.loader{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.5);display:flex;justify-content:center;align-items:center;z-index:9999}.spinner{border:4px solid rgba(255,255,255,0.3);border-top:4px solid #fff;border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}