.auth-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background-image: radial-gradient(circle at top, #1a1a1a 0%, #0a0a0a 100%); 
}

/*tarjeta principal*/
.auth-container {
    background: #1a1a1a;
    width: 100%;
    max-width: 420px;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid #2a2a2a;
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
}

/* Textos cabecera */
.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h2 {
    font-size: 2em;
    margin-bottom: 5px;
    font-weight: 700;
}

.auth-header h2 span {
    color: #ffc107;
    font-weight: 900;
    letter-spacing: -1px;
}

.auth-header p {
    color: #888;
    font-size: 0.95em;
}

/* Contenedores de los inputs */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.form-group label {
    margin-bottom: 8px;
    font-size: 0.9em;
    color: #bbb;
    font-weight: 500;
}

/*campos de texto */
.form-group input {
    padding: 14px;
    background: #0a0a0a;
    color: #fff;
    border: 1px solid #333;
    border-radius: 10px;
    outline: none;
    font-size: 1em;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input::placeholder {
    color: #555;
}

.form-group input:focus {
    border-color: #ffc107;
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.1); /* Resplandor amarillo sutil */
}

.btn-auth {
    width: 100%;
    padding: 15px;
    background: #ffc107;
    color: #000;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    margin-top: 10px;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.btn-auth:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

/* Texto  registro/login */
.auth-footer {
    text-align: center;
    margin-top: 25px;
    color: #888;
    font-size: 0.9em;
}

.auth-footer a {
    color: #ffc107;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-footer a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Biografia */
.form-group textarea {
    padding: 14px;
    background: #0a0a0a;
    color: #fff;
    border: 1px solid #333;
    border-radius: 10px;
    outline: none;
    font-size: 1em;
    font-family: inherit;
    resize: vertical; 
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group textarea:focus {
    border-color: #ffc107;
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.1);
}

/* checkboxes*/
.checkbox-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 5px;
    background: #0a0a0a;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #333;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ddd;
    font-size: 0.9em;
    cursor: pointer;
    margin-bottom: 0; 
}

.checkbox-group input[type="checkbox"] {
    accent-color: #ffc107; 
    width: 16px;
    height: 16px;
    cursor: pointer;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1); /* Pone el icono del calendario en blanco para que se vea en el fondo oscuro */
    cursor: pointer;
}