/* Reset corto del acceso para que el slider no herede cosas raras. */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: "Roboto", sans-serif;
}

/* Fondo general de la página de acceso. */
.auth-page {
    min-height: 100vh;
    background-image: url('../img/fondo.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* Marco principal que baja el slider para convivir bien con el header */
.auth-main {
    width: 100%;
    padding: 20px;
    margin: auto;
    margin-top: 100px;
}

/* Este contenedor sujeta tanto la caja trasera como el panel blanco deslizante. */
.auth-page .contenedor {
    width: 100%;
    max-width: 820px;
    min-height: 760px;
    margin: 120px auto 0;
    position: relative;
}

/* Caja trasera verde: es el apoyo visual que queda visible detras del formulario activo. */
.auth-page .caja_trasera {
    width: 100%;
    min-height: 420px;
    padding: 10px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
    background-color: rgba(73, 117, 81, 0.94);
    border-radius: 18px;
    box-shadow: 0 24px 50px rgba(24, 32, 29, 0.16);
}

.auth-page .caja_trasera div {
    margin: 90px 40px;
    color: white;
    transition: all 500ms;
    width: 100%;
    max-width: 310px;
}

.auth-page .caja_trasera div p,
.auth-page .caja_trasera div button {
    margin-top: 30px;
}

.auth-page .caja_trasera div h3 {
    font-weight: 400;
    font-size: 26px;
}

.auth-page .caja_trasera div p {
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.92);
}

.auth-page .caja_trasera button {
    padding: 10px 40px;
    border: 2px solid #fff;
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: white;
    outline: none;
    transition: all 300ms;
}

.auth-page .caja_trasera button:hover,
.auth-page .caja_trasera button:focus-visible {
    background: white;
    color: #2f9e44;
}

/* Este panel blanco es el que se desplaza de izquierda a derecha. */
.auth-page .contenedor_login-register {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 390px;
    min-height: 700px;
    position: absolute;
    top: -185px;
    left: 10px;
    transition: left 500ms cubic-bezier(0.175, 0.885, 0.320, 1.275);
    z-index: 2;
}

.auth-page .contenedor_login-register form {
    width: 100%;
    padding: 75px 24px 45px;
    background: #fff;
    position: absolute;
    border-radius: 20px;
    box-shadow: 0 24px 48px rgba(24, 32, 29, 0.18);
    border: 1px solid rgba(47, 158, 68, 0.12);
}

.auth-page .contenedor_login-register form h2 {
    font-size: 30px;
    text-align: center;
    margin-bottom: 20px;
    color: #2f9e44;
}

.auth-page .contenedor_login-register form input[type="text"],
.auth-page .contenedor_login-register form input[type="email"],
.auth-page .contenedor_login-register form input[type="password"] {
    width: 100%;
    margin-top: 12px;
    padding: 12px 10px;
    border: none;
    background: #f2f2f2;
    font-size: 16px;
    outline: none;
    color: #233029;
}

.auth-page .contenedor_login-register form input[type="text"]::placeholder,
.auth-page .contenedor_login-register form input[type="email"]::placeholder,
.auth-page .contenedor_login-register form input[type="password"]::placeholder {
    color: rgba(35, 48, 41, 0.68);
}

.auth-page .contenedor_login-register form input[type="date"] {
    width: 100%;
    margin-top: 5px;
    padding: 12px 10px;
    border: none;
    background: #f2f2f2;
    font-size: 14px;
    outline: none;
    cursor: pointer;
}

.auth-page .contenedor_login-register form input[type="text"]:focus,
.auth-page .contenedor_login-register form input[type="email"]:focus,
.auth-page .contenedor_login-register form input[type="password"]:focus,
.auth-page .contenedor_login-register form input[type="date"]:focus {
    background: #ecf5ee;
    box-shadow: 0 0 0 3px rgba(47, 158, 68, 0.12);
}

/* Estos estados rojos son los que uso para marcar errores propios del formulario. */
.auth-page .contenedor_login-register form input.is-invalid {
    background: #fff4f4;
    box-shadow: 0 0 0 3px rgba(194, 49, 49, 0.12);
}

.auth-page label {
    display: block;
    margin-top: 20px;
    margin-bottom: 5px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

/* Género se resuelve en una sola fila para no desperdiciar alto. */
.auth-page .radio-group {
    display: flex;
    gap: 15px;
    margin-top: 8px;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.auth-page .radio-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    margin: 0;
    white-space: nowrap;
    font-size: 14px;
    padding: 0;
}

.auth-page .radio-group span {
    color: #333;
    font-weight: 500;
    font-size: 14px;
    min-width: 52px;
    line-height: 1;
}

.auth-page .radio-group input[type="radio"] {
    width: 15px;
    height: 15px;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
    accent-color: #2f9e44;
}

.auth-page .radio-group.auth-group-invalid,
.auth-page .form-check.auth-group-invalid,
.auth-page .auth-date-block.auth-group-invalid {
    border-radius: 12px;
}

.auth-page .radio-group.auth-group-invalid,
.auth-page .form-check.auth-group-invalid {
    padding: 10px 12px;
    background: rgba(194, 49, 49, 0.06);
    box-shadow: inset 0 0 0 1px rgba(194, 49, 49, 0.18);
}

.auth-page .auth-date-block.auth-group-invalid .auth-date-helper,
.auth-page .radio-group.auth-group-invalid span,
.auth-page .radio-group.auth-group-invalid label,
.auth-page .form-check.auth-group-invalid .form-check-label {
    color: #a32929;
}

/* Los checks se quedan pequeños y alineados para que no rompan el alto del panel. */
.auth-page .form-check {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-top: 15px;
    gap: 12px;
}

.auth-page .form-check-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    white-space: normal;
    margin: 0;
    padding: 0;
}

.auth-page .form-check-input {
    margin: 0;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
    width: 15px;
    height: 15px;
    accent-color: #2f9e44;
}

.auth-page .auth-inline-row {
    margin-top: 20px;
}

.auth-page .auth-inline-row .form-check-label {
    white-space: nowrap;
}

.auth-page .auth-date-block {
    margin-top: 16px;
}

.auth-page .auth-date-helper {
    margin: 0 0 6px;
    color: #5b6b5b;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.2;
}

.auth-page .auth-field-error {
    display: none;
    margin-top: 6px;
    color: #c23131;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
}

.auth-page .auth-field-error.is-visible {
    display: block;
}

.auth-page .contenedor_login-register form button[type="submit"] {
    padding: 10px 40px;
    margin-top: 32px;
    border: none;
    font-size: 14px;
    background: #2f9e44;
    color: white;
    cursor: pointer;
    outline: none;
}

.auth-page .contenedor_login-register form button[type="submit"]:hover,
.auth-page .contenedor_login-register form button[type="submit"]:focus-visible {
    background: #238337;
}

.auth-page .formulario_login {
    opacity: 1;
    display: block;
    min-height: 540px;
    z-index: 2;
}

.auth-page .formulario_register {
    display: none;
    opacity: 0;
    min-height: 730px;
    z-index: 1;
}

/* Version oscura del acceso */
.dark-mode.auth-page .caja_trasera {
    background-color: rgba(24, 56, 31, 0.92);
}

.dark-mode.auth-page .contenedor_login-register form {
    background: rgba(15, 15, 15, 0.96);
    border-color: rgba(255, 255, 255, 0.08);
}

.dark-mode.auth-page .contenedor_login-register form h2,
.dark-mode.auth-page label,
.dark-mode.auth-page .radio-group span,
.dark-mode.auth-page .radio-group label,
.dark-mode.auth-page .form-check-label {
    color: #e8f8ea;
}

.dark-mode.auth-page .contenedor_login-register form input[type="text"],
.dark-mode.auth-page .contenedor_login-register form input[type="email"],
.dark-mode.auth-page .contenedor_login-register form input[type="password"],
.dark-mode.auth-page .contenedor_login-register form input[type="date"] {
    background: #1b1b1b;
    color: #e8f8ea;
}

.dark-mode.auth-page .contenedor_login-register form input.is-invalid {
    background: #291718;
    box-shadow: 0 0 0 3px rgba(255, 120, 120, 0.12);
}

.dark-mode.auth-page .contenedor_login-register form input[type="text"]::placeholder,
.dark-mode.auth-page .contenedor_login-register form input[type="email"]::placeholder,
.dark-mode.auth-page .contenedor_login-register form input[type="password"]::placeholder {
    color: rgba(232, 248, 234, 0.62);
}

.dark-mode.auth-page .auth-date-helper {
    color: #b9c6ba;
}

.dark-mode.auth-page .radio-group.auth-group-invalid,
.dark-mode.auth-page .form-check.auth-group-invalid {
    background: rgba(255, 120, 120, 0.08);
    box-shadow: inset 0 0 0 1px rgba(255, 120, 120, 0.2);
}

.dark-mode.auth-page .auth-date-block.auth-group-invalid .auth-date-helper,
.dark-mode.auth-page .radio-group.auth-group-invalid span,
.dark-mode.auth-page .radio-group.auth-group-invalid label,
.dark-mode.auth-page .form-check.auth-group-invalid .form-check-label,
.dark-mode.auth-page .auth-field-error {
    color: #ffb5b5;
}

/* En móvil dejo una sola cara visible para que el slider no pise el otro formulario. */
@media screen and (max-width: 850px) {
    .auth-main {
        margin-top: 40px;
    }

    .auth-page .contenedor {
        min-height: auto;
        margin: 40px auto 0;
    }

    .auth-page .caja_trasera {
        max-width: 390px;
        min-height: 280px;
        flex-direction: column;
        margin: auto;
        position: relative;
        overflow: hidden;
    }

    .auth-page .caja_trasera div {
        margin: 0;
        position: absolute;
        inset: 0;
        max-width: none;
        padding: 24px 20px;
        display: none;
    }

    .auth-page .contenedor_login-register {
        top: -10px;
        left: 0;
        margin: auto;
        max-width: 390px;
        min-height: auto;
        position: relative;
    }

    .auth-page .contenedor_login-register form {
        position: relative;
        min-height: auto;
    }

    .auth-page .contenedor_login-register form button[type="submit"] {
        width: 100%;
    }
}