/* ==========================
    MODAL DE AUTENTICACIÓN
========================== */
.auth-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85); /* Fondo oscuro semitransparente */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, visibility;
}

.auth-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.auth-container {
    background: #0a0a0a;
    border: 1px solid rgba(255, 255, 255, 0.08);
    width: 90%;
    max-width: 450px;
    padding: 50px 40px;
    position: relative;
    transform: translateY(30px) scale(0.98);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

.auth-overlay.active .auth-container {
    transform: translateY(0) scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: #888888;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
    will-change: transform;
}

.close-modal:hover {
    color: #ffffff;
    transform: scale(1.1);
}

/* Estilos de los Boxes */
.auth-box h2 {
    font-size: 24px;
    letter-spacing: 8px;
    text-align: center;
    margin-bottom: 10px;
    color: #ffffff;
    text-transform: uppercase;
    font-weight: 800;
}

.auth-box p {
    font-size: 11px;
    letter-spacing: 3px;
    color: #666666;
    text-align: center;
    margin-bottom: 35px;
    text-transform: uppercase;
}

/* Form Groups e Inputs */
.auth-box .form-group {
    margin-bottom: 25px;
}

.auth-box label {
    font-size: 10px;
    letter-spacing: 2px;
    color: #aaaaaa;
    display: block;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-weight: 600;
}

.auth-box input {
    width: 100%;
    background: #000000;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 15px;
    font-size: 13px;
    outline: none;
    border-radius: 2px;
    transition: border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: inherit;
}

.auth-box input:focus {
    border-color: #ffffff;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
    background: rgba(15, 15, 15, 0.9);
}

.auth-btn {
    width: 100%;
    padding: 18px;
    background: #ffffff;
    color: #000000;
    border: 1px solid #ffffff;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 4px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 10px;
    will-change: transform;
}

.auth-btn:hover {
    background: #cccccc;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.15);
}

.auth-footer {
    margin-top: 30px;
    text-align: center;
}

.auth-footer p {
    color: #555555;
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.auth-footer button {
    background: transparent;
    border: none;
    color: #ffffff;
    cursor: pointer;
    text-decoration: underline;
    letter-spacing: 2px;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 10px;
    transition: opacity 0.3s ease;
}

.auth-footer button:hover {
    opacity: 0.8;
}

/* Campo de contraseña con control para mostrar u ocultar el texto. */
.password-field {
    position: relative;
}

.password-field input {
    padding-right: 52px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 12px;
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    padding: 0;
    color: #a9a9a9;
    border: 0;
    background: transparent;
    cursor: pointer;
    transform: translateY(-50%);
}

.password-toggle:hover,
.password-toggle:focus-visible {
    color: #ffffff;
}

.password-toggle:focus-visible {
    outline: 1px solid #ffffff;
    outline-offset: 2px;
}

.password-toggle svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}